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        ZyXEL ZyAIR B-2000 User's Manual
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1.                                                     i Bg ON  V Start J              Packet       intoFilter         Fetch First    Filter Set  Filter Set     gt    Fetch Next Fetch First  Filter Set Filter Rule  A Fetch Next    Filter Rule  gt     Yes  Yes  T    Next Filter Se  Available   Yes  Y  Execute  N E  S Filter Rule  Check  Next  Rule    l Forward  Y x Drop    f A     Drop Packet j  Accept Packet  NS S    Figure 7 2 Filter Rule Process       7 2 Filter Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       You can apply up to four filter sets to a particular port to block various types of packets  Because each filter  set can have up to six rules  you can have a maximum of 24 rules active for a single port     For incoming packets  your ZyAIR applies data filters only  Packets are processed depending on whether a  match is found  The following sections describe how to configure filter sets     The Filter Structure of the ZyAIR    A filter set consists of one or more filter rules  Usually  you would group related rules  for example  all the  tules for NetBIOS  into a single set and give it a descriptive name  You can configure up to twelve filter  sets with six rules in each set  for a total of 72 filter rules in the system     7 2 Configuring a Filter Set  To configure a filter set  follow the steps shown next     Step 1  Enter 21 in the main menu to display Menu 21     Filter Set Configuration     Menu 21   Filter Set Configuration    Filter Fil
2.                              PORT   PVC  PERMANENT VIRTUAL CIRCUIT   1 Ethernet LAN   2 1   3 2   13 12   14 xDSL             8 4    SNMP Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 9  System Information and Diagnosis    This chapter covers the information and diagnostic tools in SMT menus 24 1 to 24 4     These tools include updates on system status  port status  log and trace capabilities and upgrades for the  system software  This chapter describes how to use these tools in detail     Type 24 in the main menu to open Menu 24   System Maintenance  as shown in the following figure     Menu 24   System Maintenance    System Status  System Information and Console Port Speed  Log and Trace  Diagnostic  Backup Configuration  Restore Configuration  Upload Firmware  Command Interpreter Mode  Call Control     Time and Date Setting     Remote Management Setup    qs   ER  S4  4   Di  6   qe  8   95   T    d    Enter Menu Selection Number        Figure 9 1 Menu 24   System Maintenance    9 1 System Status    The first selection  System Status gives you information on the status and statistics of the ports  as shown in  the next figure  System Status is a tool that can be used to monitor your ZyAIR  Specifically  it gives you  information on your LAN and Wireless LAN status  number of packets sent and received     To get to System Status  type 24 to go to Menu 24     System Maintenance  From this menu  type 1   System Status  There are two comman
3.                       3 7  3 6 1 IP Alias Setup    ioci ede ee Eee eid t Po Hes 3 8  3 7   Encapsul  tion iicet i E ERR RE RT UR leven E E e E E 3 10  3 7 1 Ethemet A A A A te b c died ie beret  3 10  3 7 2 juu EE 3 10  3 7 3 Lu OR EE 3 10  3 8    IP Address Assignment o eet t STE Re Re eee ees 3 11  39    Internet Access CONABIO x  RR ITA RR A ES 3 11  3 10  Internet  Access  Setup  ie sore er teer eee ea EE I eere ete voee eto   e uge  3 12  3 11  Wireless DANG s vets te acti e lia ends 3 13  Sell      Wireless LAN Pa  rametets   eee e ere TEC eiie a 3 13  311 2 Wireless LAN Setup  aet tee oe Oe t et Te REN aee Ee tests 3 15  A sexes RNAi RR RI En we 3 16  3 11 4 Requirements for Roaming sess 3 17  3 11 5 Enable the Roaming Feature on the ZyAIR   ooocooccnnccncccoccnocnconnconoconccnnocn nono nonnnonnronnrnnnnnno 3 18  ADVANCED APPLICATIONS                 eee eese teen rssi Noraini tie EnS Nr sepa ens so poene se poena SS NAAS I  Chapter 4 Wireless LAN Security Setup                   4 celeres etes eese e eee ee enses tn netus sse tn stone seta setas s seta setas e sena 4 1  dt  Levels of Security  ice e d CREER ee e MERCURIUS Fa e ete Pee EE eC ate Bee 4 1  4 2  Data Encryption with  WEP 228 66 anser e RO E e e esta 4 1  43     Network Authentication 2  eor SES Ee e Perte IER M e rote ee eei 4 3  4 3 1 EAP  count e e Ado LI C Et due ctor e o Rus 4 3  4 3 2 DEBIT 4 3  4 3 3 Sequence for EAP Autbentteatton  nono nonn non nono ronn ron n rro n rn nr ran rn nr rn rra nn 4 4 
4.                      FIELD DESCRIPTION    The filter rule number  1 to 6   A Active   Y  means the rule is active   N  means the rule is inactive   Type The type of filter rule   GEN  for Generic   IP  for TCP IP   Filter Rules These parameters are displayed here   M More      Y  means there are more rules to check which form a rule chain with the present rule   An action cannot be taken until the rule chain is complete      N  means there are no more rules to check  You can specify an action to be taken for  instance  forward the packet  drop the packet or check the next rule  For the latter  the  next rule is independent of the rule just checked        m Action Matched     F  means to forward the packet immediately and skip checking the remaining rules    D  means to drop the packet       N    means to check the next rule     n Action Not Matched     F  means to forward the packet immediately and skip checking the remaining rules    D  means to drop the packet     N  means to check the next rule                    The protocol dependent filter rules abbreviation are listed as follows     Table 7 2 Rule Abbreviations Used                         FILTER TYPE DESCRIPTION  IP  Pr Protocol  SA Source Address  SP Source Port Number  DA Destination Address  DP Destination Port Number                   Filter Configuration 7 5    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 7 2 Rule Abbreviations Used                FILTER TYPE DESCRIPTION  GEN  Off Offset  Len 
5.              9 1  RTS Threshold                        ssesss 3 14  3 16 System Maintenance   9 1  9 3  10 2  10 5  10 13    10 14  11 1  11 2  A System Management Temmmnal  2 10  Schedule Sets System Timeout                  essere 13 4   Dita inertes 12 2 T  Server  6 5  6 7  6 9  6 11  6 12  6 13  6 14  6 17    6 18 TOP P da 7 12  9 7  13 1  VIE iv TCP IP Parameters                   eee 3 2  setup a schedule                      sss 12 2 Telnet samt E den seien 13 1  Single PC per Modem Hardware Configuration   I Telnet Configuration                   eee 13 1  SMT Menu Overview                 eene 2 8 Telnet Under NAT                   seen 13 1  SNMP TFTP   CA 8 3 And FTP Over WAN  13 3   Configuration             esses 8 2 Restrictions    eis 13 3   EE 8 2 TFTP and FTP over WAN Will Not Work   Manantial RERO 8 2 WHER ttr RUE OOERERSGEUE 10 4   HE 8 2 TETP File Transfer                   e 10 12  HH Index    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       TFTP Restrictions             eese 10 4  The Teledat Router as a PPPoE Client                  J  Time and Date Setting                  sss 11 2  Time Server  11 2  Time Zone eneit neesat ase ais eiaa 11 3  To avoid damage to the ZyAIR                          2 4  Trace Records    9 4  Traditional Dial up Scenario                                 I  Troubleshooting  Accessing ZyAIR B 1000                           14 3  Ethernet Port  14 2  Password    14 1  SIE GE HE 14 1  U  UNIX Syslog        ense tee 9
6.       FIELD DESCRIPTION  Authentication   Press  SPACE BAR  to select from Forced Authorized  Forced Unauthorized or  Control Auto  The default is Forced Authorized     Select Auto to authenticate all wireless clients     Select Force Authorized to allow any user access to your wireless network without  authentication     Select Force UnAuthorized to deny all user access to your wireless network                    Wireless LAN Security Setup 4 5    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 4 2 IEEE802 1X System Security Field Descriptions       FIELD DESCRIPTION       ReAuthentica    Specify the time interval between the RADIUS server   s authentication checks of  tion Timer wireless users connected to the network      iniseconds  This field is activated only when you select Auto authentication control  The default    time interval is 1800 seconds           When you have completed this menu  press  ENTER  at the prompt    Press ENTER to confirm or ESC to  cancel    to save your configuration or press  ESC  to cancel and go back to the previous screen              Once you enable the EAP authentication  you need to specify the external RADIUS server or create local  user accounts for authentication     4 3 5 Configuring External RADIUS Server    From Menu 23  System Security  enter 2 to display Menu 23 2   System Security RADIUS Server as  shown next     Menu 23 2   System Security   RADIUS Server    Authentication Server   Active  No  Server Address    
7.      ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          JAPAN PLUG STANDARDS                                        AC Power Adapter Model JOD 48 1124   Input Power AC100Volts  50 60Hz  27VA   Output Power DC12Volts 1 2A   Power Consumption 10 W   Safety Standards T Mark  Japan Dentori   AUSTRALIA AND NEW ZEALAND PLUG STANDARDS   AC Power Adapter Model AD 1201200DS or AD 121200DS   Input Power AC240Volts 50Hz 0 2A   Output Power DC12Volts 1 2A   Power Consumption 10 W   Safety Standards NATA  AS 3260              DD Power Adapter Specifications       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          Clear to Send protocol                          sssse 3 14  4 Collision    ets 9 2  EE a dec EUR eq apenas 1 1 Command Interpreten 11 1  Community  is 8 2  A Computer Name 2 12  Ad hoc Configuration                   eee A condingns EE EE  working over WAN  10 4  Antenna  sister pibe festa 2 4     UE Connecting to a Cable Modem                          2 3  Dircctiohal 25643 sena hon dk a G    ecd Connecting to a DSL Modem                            2 3  Omni directional                      sees G    Types G Connections  x  R Additional Reme oce ceres 2 5  ENER NEE G ADSL Li 2 3  A 10 1 iia q  A Se Console Ports  gene Eege an esas 2 4  utbhenttcaton  csse 5 3  5 4  EE IR eee Goes  oes 1 1 Power Adapter    2 4  c Rear Panel ernan sz  B Control and PPP Connectnons L  Copy it pido 11  Back Panel Le Cost Of Transmission                  sse 5 6  5 9  connection
8.     Y  Apply DestAddrMask  to Dest Addr                  Check Dest    oP Ad dr     Not Matched        Matched  y      Check  gt              SC IP Pro tocol     Not Matched  gt         Matched  Y    Check Sre amp  _       _ Dest Port Ee Matched  gt         Matched  y     lt  Moe   gt  Yes                 Y  T   No Action Not Matched  Y                            Action Matched                 3   Check Next Rule      Check Next Rule       Drop Forward    an bg be                        Drop Forward  a      d E    Drop Packet      Check Next Rule  gt      AcceptPacket        M    M ES M A    Figure 7 8 Executing an IP Filter       Filter Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       7 3 2 Generic Filter Rule    This section shows you how to configure a generic filter rule  The purpose of generic rules is to allow you  to filter non IP packets  For IP  it is generally easier to use the IP rules directly     For generic rules  the ZyAIR treats a packet as a byte stream as opposed to an IP packet  You specify the  portion of the packet to check with the Offset  from 0  and the Length fields  both in bytes  The ZyAIR  applies the Mask  bit wise ANDing  to the data portion before comparing the result against the Value to  determine a match  The Mask and Value fields are specified in hexadecimal numbers  Note that it takes  two hexadecimal digits to represent a byte  so if the length is 4  the value in either field will take 8 digits     for example  F
9.   0  0  1    Press ENTER to Confirm or ESC to Cancel     Figure 6 10 Menu 15 2   NAT Server Setup    Default    Menu 15 2   NAT Server Setup    End Port No     0    PRO0O0o0o0o0o0ooo  Y  ooooooooooo    027    ooooooooooo     D oOooOoOoO OO OO OC       Step 3  Enter a port number in an unused Start Port No field  To forward only one port  enter it again  in the End Port No field  To specify a range of ports  enter the last port to be forwarded in the    End Port No field     Step 4  Enter the inside IP address of the server in the IP Address field  In the following figure  you    have a computer acting as an FTP  Telnet and SMTP server  ports 21  23 and 25  at    192 168 1 33     Step 5  Press  ENTER  at the    Press ENTER to confirm        prompt to save your configuration after  you define all the servers or press  ESC  at any time to cancel        6 14    NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       The NAT network appears as  a single host on the Internet    192 168 1 2            FTP TELNET SMTP server       IP Address    o  192 168 1 33  E  9 y  Computer  2 5 Sp Address   A  C Y O 192 108 134  62   35    Computer  S S90  ipAddrss     GD a 192 168 1435     Computer  IP Address   IP ADDRESS ASSIGNED  192 168 1 36 BY ISP  Figure 6 11 Multiple Servers Behind NAT Example  NAT 6 15    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       6 5 General NAT Examples    6 5 1 Example 1  Internet Access Only    In the following Internet access example  you 
10.   ESS  eR erre See Extended Service Set  D EE 3 14  Ethernet  tele el EES 3 10  Ethernet Encapsulation                            sss 6 12  Ethernet  Traffic  isn eee 7 16  Extended Service Set  B  External H  b        eI Eee 2 3  F  EC x nose tote E Tee ce bees lii  FHSS   See Frequency Hopping Spread Spectrum  Filename Conventions esee 10 1  Filter eere eet 2 17  Applying Filters                    eee 7 15  Ethernet traffic                sse 7 16  Ethernet Traffic    ooooonccccnnnncccnnoncccnonancnrnnnos 7 16  Filter Rules ie  ccc  eet 7 5  Filter Structure  7 3  Generic Filter Rule    7 11  Remote Node    ete 5 6  Remote Node Filter  5 6  Remote Node Filters                         ssssss 7 16  Sample ai  eese oeste eme 7 14  IB E 7 12  TCP IP Filter Rule  ette 7 6  Filtet HOG uunc toot 9 6  Filter Rule  ttt tte tts 7 7  Filter Rule Process    7 2  Filter Rule Setup    7 6    Filter Rules Summary    Sample ee dide no Rees 7 15  Filter Set   Class renovat  7 6  Filter Set Confteuratpon  7 3  Fill tt etes 7 1  7 6  Fragment Thresbhold  seese 3 16  Fragmentation Thresbold 3 15  Frequency Hopping Spread Spectrum                 A  RN LEE 13 3  Restrictions  iie 13 3  FTP File Transfer                  sssseeeese 10 10  FTP Restrictions            csccesceeseeseeeseeeeeeeeeeseees 10 4  LN E 6 19  G  EE 5 9  General Setup         sedentes 2 12  H  Hidden Menus esee 2 10  Hidden Node problem                               ssse 3 14  Hop Count         erret reet etre es 5 6  5 9 
11.   Managed Device Managed Device Managed Device                   Figure 8 1 SNMP Management Model       SNMP Configuration 8 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       An SNMP managed network consists of two main components  agents and a manager     An agent is a management software module that resides in a managed device  the ZyAIR   An agent  translates the local management information from the managed device into a form compatible with SNMP   The manager is the console through which network administrators perform network management functions   It executes applications that control and monitor managed devices     The managed devices contain object variables managed objects that define each piece of information to be  collected about a device  Examples of variables include such as number of packets received  node port  status etc  A Management Information Base  MIB  is a collection of managed objects  SNMP allows a  manager and agents to communicate for the purpose of accessing these objects     SNMP itself is a simple request response protocol based on the manager agent model  The manager issues a  request and the agent returns responses using the following protocol operations     e Get   Allows the manager to retrieve an object variable from the agent     e GetNext   Allows the manager to retrieve the next object variable from a table or list within an agent   In SNMPvI  when a manager wants to retrieve all elements of a table from an agent  it initiat
12.   SYS Green On The ZyAIR is functioning properly   Blinking   The ZyAIR is rebooting   Off The ZyAIR is not ready or has malfunctioned   PWR Green On The ZyAIR is receiving power   Off The ZyAIR is not receiving power   2 2 Hardware Installation and Initial Setup       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       2 2 Side Panel and Connections of the ZyAIR  The following figure shows the side panel of your ZyAIR     e Ee q         Figure 2 2 ZyAIR Side Panel and Connections    2 2 1 WAN Port    Connecting the ZyAIR to a Cable Modem    1  Connect the WAN port on the ZyAIR to the Ethernet port on your cable modem using the Ethernet  cable that came with your cable modem  The Ethernet port on a cable modem is sometimes labeled   PC  or  Workstation      2  Connect the coaxial cable from your cable service to the threaded coaxial cable connector on the back  of the cable modem     Connecting the ZyAIR to a DSL Modem    Connect the WAN port on the ZyAIR to the Ethernet port on your DSL modem using the Ethernet cable  that came with your DSL modem     2 2 2 Four LAN 10 100M Ports    Ethernet 10Base T 100Base T networks use Shielded Twisted Pair  STP  cable with RJ 45 connectors that  look like a bigger telephone plug with 8 pins  All LAN ports are auto sensing  so you may use the crossover  cable provided or a straight through Ethernet cable to connect your ZyAIR to a computer external hub     If you want to connect more than four computers to your ZyAIR  you must use
13.   port with a crossover Ethernet cable     Windows 95 98 Me NT 2000 XP  Macintosh OS 7 and later operating systems and all versions of  UNIX LINUX include the software components you need to install and use TCP IP on your computer   Windows 3 1 requires the purchase of a third party TCP IP application package     TCP IP should already be installed on computers using Windows NT 2000 XP  Macintosh OS 7 and later  operating systems     After the appropriate TCP IP components are installed  configure the TCP IP settings in order to   communicate  with your network     Setting up Your Windows 95 98 Me Computer  Installing TCP IP Components  1  Click Start  Settings  Control Panel and double click the Network icon     The Network window Configuration tab displays a list of installed components  You need a network  adapter  the TCP IP protocol and Client for Microsoft Networks     If you need the adapter    a  Inthe Network window  click Add    b  Select Adapter and then click Add    c  Select the manufacturer and model of your network adapter and then click OK   If you need TCP IP    a  In the Network window  click Add    b  Select Protocol and then click Add    c  Select Microsoft from the list of manufacturers    d  Select TCP IP from the list of network protocols and then click OK   If you need Client for Microsoft Networks    a  Click Add        TCP IP O    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       b   c   d     e     Select Client and then click Add   Select M
14.  14 1   Edit Dial in User    User Name  test  Active  Yes  Password  kckckckckck kk    Press ENTER to Confirm or ESC to Cancel        Figure 4 8 Menu 14 1  Edit Dial in User  The following table describes the fields in this screen     Table 4 4 Menu 14 1  Edit Dial in User Field Description                            FIELD DESCRIPTION  User Name Enter a username up to 31 alphanumeric characters long for this user profile   Active Press  SPACE BAR  to select Yes and press  ENTER  to enable the user profile   Password Enter a password up to 31 characters long for this user profile   When you have completed this menu  press  ENTER  at the prompt  Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen        4 5 MAC Address Filtering    Your ZyAIR checks the MAC address of the wireless client device against a list of allowed or denied MAC  addresses  However  intruders could fake allowed MAC addresses so MAC based authentication 1s less  secure than EAP authentication        4 8 Wireless LAN Security Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Follow the steps below to create the MAC address table on your ZyAIR     Step 1  From the main menu  enter 3 to open Menu 3   LAN Setup   Step 2  Enter 5 to display Menu 3 5     Wireless LAN Setup     Menu 3 5   Wireless LAN Setup    ESSID  432545  Hide ESSID  No  Channel ID  CH11 2462MHz  RTS Threshold  2432  Frag  Threshold  2432  WEP  Disabl
15.  2  Hardware Installation and Initial Setup    This chapter describes the physical features of the ZyAIR and how to make cable connections     2 1 Front Panel LEDs of the ZyAIR    The LEDs on the front panel indicate the operational status of your ZyAIR    ie 9 LINK LED            Figure 2 1 ZyAIR Front Panel       Hardware Installation and Initial Setup 2 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 2 1 Front Panel LED Description                                                    LED COLOR   STATUS DESCRIPTION  LINK Green On The wireless card on the ZyAIR is working   Off The wireless card on the ZyAIR is not working   ZyAIR Blue On The ZyAIR is ready  but is not sending receiving data through the   WLAN  dim  wireless LAN   a  Breathing   The ZyAIR is sending receiving data through the wireless LAN   LAN 1 4 Green On The ZyAIR has a successful 10Mb Ethernet connection   Blinking   The ZyAIR is sending receiving data   Off The ZyAIR does not have 10Mb Ethernet connection   Orange On The ZyAIR has a successful 100Mb Ethernet connection   Blinking   The ZyAIR is sending receiving data   Off The ZyAIR does not have 100Mb Ethernet connection   WAN Green On The ZyAIR has successful 10Mb WAN connection   Blinking   The ZyAIR is sending receiving data   Off The ZyAIR does not have 10Mb WAN connection   Orange On The ZyAIR has successful 100Mb WAN connection   Blinking   The ZyAIR is sending receiving data   Off The ZyAIR does not have 100Mb WAN connection 
16.  255 255  128  Subnet Mask  Binary  11111111 11111111 11111111  10000000  Subnet Address  192 168 1 128 Lowest Host ID  192 168 1 129  Broadcast Address  192 168 1 255 Highest Host ID  192 168 1 254                The remaining 7 bits determine the number of hosts each subnet can have  Host IDs of all zeros represent  the subnet itself and host IDs of all ones are the broadcast address for that subnet  so the actual number of  hosts available on each subnet in the example above is 2        2 or 126 hosts for each subnet     192 168 1 0 with mask 255 255 255 128 is the subnet itself  and 192 168 1 127 with mask 255 255 255 128  is the directed broadcast address for the first subnet  Therefore  the lowest IP address that can be assigned to  an actual host for the first subnet is 192 168 1 1 and the highest is 192 168 1 126  Similarly the host ID  range for the second subnet is 192 168 1 129 to 192 168 1 254        X IP Subnetting    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Example  Four Subnets    The above example illustrated using a 25 bit subnet mask to divide a class    C    address space into two  subnets  Similarly to divide a class    C    address into four subnets  you need to    borrow    two host ID bits to  give four possible combinations of 00  01  10 and 11  The subnet mask is 26 bits   11111111 11111111 11111111 11000000  or 255 255 255 192  Each subnet contains 6 host ID bits  giving  25 2 or 62 hosts for each subnet  all 0   s is the subnet its
17.  3     System Maintenance     Log and Trace  9 5  Figure 9 7 Sample Error and Information Messages                 essere ener nennen 9 5  Figure 9 8 Menu 24 3 2     System Maintenance     Syslog                  eese 9 6  Figure 9 9 Menu 24 4     System Maintenance     Diagnostic             essseseseeseeeeeeen rennen nee 9 7  Fig  re 10 1 Telnetan Mem  Zeene e Deer teet een he eee re e Peeters 10 3  Fig  re 10 2  ETP Session Example meri reete te i p terii heh es 10 4  Figure 10 3 System Maintenance     Backup Configuration    oooonooncccocconconcnonononononannncnnonnnononnnonnon conca ncnnci nens 10 6  Figure 10 4 System Maintenance     Starting Xmodem Download Screen                          ees 10 6  Figure 10 5 Backup Configuration Example eese eene neret enne nete 10 7  Figure 10 6 Successful Backup Confirmation Screen                   essere nee 10 7  Fig  te 10 7 Telnet into Menu lA bici eo eere Dain hia ene aerei des 10 8  Figure 10 8 Restore Using FTP Session Example sess 10 9  Figure 10 9 System Maintenance     Restore Configuration essent 10 9  Figure 10 10 System Maintenance     Starting Xmodem Download Screen                        ees 10 9  Figure 10 11 Restore Configuration Example nennen nenne 10 10  Figure 10 12 Successful Restoration Confirmation Screen                  eese 10 10  Figure 10 13 Telnet Into Menu 24 7 1     Upload System Firmware                   sess 10 11  Figure 10 14 Telnet Into Menu 24 7 2     System Maintenance sees 10 11  Figure 10 
18.  4  9 6  UNIX syslog parameters   oooocooccooonoccconccononnnonnos 9 6  Upload Firmware esee 10 10  User Profes air 4 7  V  Valid CI Commande    11 1    W  WEB dao ral ee 3 15  WEP Encryption              essen 4 2  What is PPTP E K  Wired Equivalent Privacy       See WEP  See WEP  Wireless LAN ae eere res A  3 13  Benefits cuit  eins  ato a A  Wireless LAN Sep  3 15  WEAN EENS See Wireless LAN  X  XMODEM protocol                     sseseese 10 2  Z  LIN OS E 10 1  10 2  ZyNOS F W Version  10 1  ZyXEL Limited Warranty  elen GE iv    Error  Not a valid document self reference on  page 18       Index    
19.  4 3 4 Enable EAP Authentication on Your ZyAIR               essere enn 4 5       Table of Contents vii    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       4 3 5 Configuring External RADIUS Server        cccecccccecsseeseessceeeceeecesecesecaecaeecaeeeseeneeeeeeeereeren 4 6  4 4 Creating User Accounts on the ZyAIR               sse nennen nennen nennen enne 4 7  4 35    MAC  Address Filtering  ee ree tete ic dep eeepc desees iere eg 4 8   Chapter 5 Remote Node Configuration                        Leere esee esee eese ette eren nete setas etos ast ta se toss setas stone nooo nononenonos 5 1  SCH  Remote Node Profile    e ten e ie itae 5 1   5 1 1 Encapsulation Scenarios           cccccsccsssesssesscesseeeecesecesecesecaeceecaeceaecsaecaeecaeecaeeeseeneeeareeeseearens 5 1   5 1 2 Outgoing Authentication Protocol     ooooonncnnnnniconooononoconnconccnnconncnn nono nonnnonnrnnn ono n ronca nn rnnrn nens 5 4   5 1 3 Remote Node Setup  aee a earn etr 5 4  5 2  Remote Node Ellterz      ee eet eee re ee itd 5 6   5 2 1 IP Static Route Setup  54s o esee ida cd a 5 7   Chapter 6 Network Address Translation  NAT                            e eeeeee esee sette ee eene nete setenta stone setas etn ne tenu 6 1  6 l    Introduction    ceci gener PO RD d o E eee t ore e eater 6 1   6 1 1 NAT Definitions    Ad 6 1   6 1 2 What NAT DoS ia onte d e d er ORE 6 2   6 1 3 How NAT  Works sits stented tte edet ore n e b eol 6 2   6 1 4 NAT Application geed te eee tede e letra 6 3   6 1 5 NA
20.  7 2   System Maintenance   Upload System Configuration File    To upload system configuration file    1  Enter  y  at the prompt below to go into debug mode    2  Enter  atlc  after  Enter Debug Mode  message    3  Wait for  Starting XMODEM upload  message before activating  Xmodem upload on your terminal    4  After successful firmware upload  enter  atgo  to restart the  system     Warning    1  Proceeding with the upload will erase the current  configuration file    2  The system s console port speed  Menu 24 2 2  may change  when it is restarted  please adjust your terminal s speed  accordingly  The password may change  menu 23   also    3  When uploading the DEFAULT configuration file  the console  port speed will be reset to 9600 bps and the password to  WE MR   Do You Wish To Proceed   Y N              Figure 10 18 Menu 24 7 2 as seen using the Console Port    Step 2  After the  Starting Xmodem upload  message appears  activate the Xmodem protocol on your  computer  Follow the procedure as shown previously for the HyperTerminal program  The  procedure for other serial communications programs should be similar     Step 3  Enter    atgo    to restart the ZyAIR     10 4 11Example Xmodem Configuration Upload Using HyperTerminal    Click Transfer  then Send File to display the following screen        Firmware and Configuration File Maintenance 10 15    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Send File    x     C  Product config rom      Figure 10 19 Exam
21.  Address    Type the IP address of the PPTP server in dotted decimal notation        Connection  ID Name    Enter the connection ID or connection name in this field  It must  follow the  c id  and  n name  format  For example  C 12 or N My  ISP    This field is optional and depends on the requirements of your  xDSL modem        Route    This field determines the protocol used in routing  Options are IP  and None     IP   default        Edit IP    Press  SPACE BAR  to select Yes and press  ENTER  to display  Menu 11 3     Remote Node Network Layer Options     No       Telco Option     Telco Option is available only for PPTP or PPPoE encapsulation           Allocated  Budget  min        This sets a ceiling for outgoing call time for this remote node  The  default for this field is O meaning no budget control        0   default              Remote Node Configuration    5 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 5 1 Remote Node Profile Menu Fields          FIELD DESCRIPTION EXAMPLE  Period  hr    This field is the time period that the budget should be reset  For 0  example  if we are allowed to call this remote node for a maximum  default     of 10 minutes every hour  then the Allocated Budget is  10  minutes  and the Period  hr  is 1  hour         Schedule   This field is only applicable for PPPoE and PPPTP encapsulation   You can apply up to four schedule sets here  For more details  please refer to the Call Schedule Setup chapter        Nailed up  
22.  Chart 2 Allowed IP Address Range By Class                      CLASS ALLOWED RANGE OF FIRST OCTET ALLOWED RANGE OF FIRST OCTET   BINARY   DECIMAL    Class A 00000000 to 01111111 0 to 127   Class B 10000000 to 10111111 128 to 191   Class C 11000000 to 11011111 192 to 223   Class D 11100000 to 11101111 224 to 239             Subnet Masks    A subnet mask is used to determine which bits are part of the network number  and which bits are part of  the host ID  using a logical AND operation   A subnet mask has 32 bits  each bit of the mask corresponds to  a bit of the IP address  If a bit in the subnet mask is a    1    then the corresponding bit in the IP address is part  of the network number  If a bit in the subnet mask is    0    then the corresponding bit in the IP address is part  of the host ID     Subnet masks are expressed in dotted decimal notation just as IP addresses are  The  natural  masks for  class A  B and C IP addresses are as follows     Chart 3    Natural    Masks                CLASS NATURAL MASK  A 255 0 0 0  B 255 255 0 0  C 255 255 255 0                Subnetting    With subnetting  the class arrangement of an IP address is ignored  For example  a class C address no  longer has to have 24 bits of network number and 8 bits of host ID  With subnetting  some of the host ID  bits are converted into network number bits  By convention  subnet masks always consist of a continuous  sequence of ones beginning from the left most bit of the mask  followed by a continu
23.  Ck     Note that as you type a password  the screen displays an asterisk for each character you type     2 9 General Setup    Menu 1     General Setup contains administrative and system related information  shown next   The  System Name field is for identification purposes  However  because some ISPs check this name you should  enter your computer s  Computer Name      e In Windows 95 98 click Start  Settings Control  Panel Network  Click the Identification tab   note the entry for the Computer name field and enter it as the ZyAIR System Name        2 12 Hardware Installation and Initial Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       In Windows 2000 click Start  Settings  Control Panel and then double click System  Click the Network  Identification tab and then the Properties button  Note the entry for the Computer name field and enter it  as the ZyAIR System Name     In Windows XP  click start  My Computer View system information and then click the Computer  Name tab  Note the entry in the Full computer name field and enter it as the ZyAIR System Name     The Domain Name entry is what is propagated to the DHCP clients on the LAN  If you leave this blank   the domain name obtained by DHCP from the ISP is used  While you must enter the host name  System  Name  on each individual computer  the domain name can be assigned from the ZyAIR via DHCP     2 9 1 Dynamic DNS    Dynamic DNS  Domain Name System  allows you to update your current dynamic IP address wi
24.  How PPPoE Works   cooocccocococococononcnaconnononnninnonnons J  HTTP  iie tre tes 6 13  HyperTerminal program                        10 6  10 9  I  ANA do 3 2  3 3  IBSS                 See Independent Basic Service Set  IEEE  02 11  neas aine eene A  Deployment Issues    ooooonccnicnnoonocnconnconnconoonnoo E  Security Flaws        eesseeseeseeseesessessrsrssrerersreresse E  IEEE  802 D EE 1 1  IEEE SO E E E EA ET 1 2  Advantages e aeee a es a E  IGMP Oe EE 5 6  Independent Basic Service Set                             B  Infrastructure Confeuraton  esee B  PEI A 2 7  Internet ACCESS acia ii 3 1  Internet Access        1 2  1 4  2 11  3 1  3 11  3 12       FF    Index    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch             Internet Access Setup    6 6 Example escocia 6 16  Internet Assigned Numbers Authority   See IANA How NAT Works                 eee 6 2  IP Address  3 7  5 9  7 8  9 4  9 7 Mapping Tvpes   ocooonocccoccnonocononnnonnnnanonnnonnnnos 6 4  IP Address Asstgmnment  ooooccocccocononcconccnnonnnonos 3 11 Non NAT Friendly Application Programs 6 21  IP Alias Setup oi  inoitia ipinasa 3 8 Ordering Rules sss 6 12  IP Falte thos in eines 7 10 What NAT does  6 2  Logic low  7 9 Network Address Translation                          3 13  TP MASK o eee e ihres 7 8 Network Address Translation  NAT                 6 1  IP MulticaS E o ooooonnoninoniccnonononnonnconoconoco nono nccnnnnnnos 1 3 Network Management sss 1 3  IP network number  3 2 Network Topology 
25.  IP    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Setting up Your Windows NT 2000 Computer    Configuring TCP IP   1  Click Start  Settings  Network and Dial up Connections and right click Local Area Connection or  the connection you want to configure and click Properties    2  Select Internet Protocol  TCP IP   you may need to scroll down  and click Properties    3  The Internet Protocol TCP IP Properties window opens     f your IP address is dynamic  click Obtain an IP address automatically     f you have a static IP address click Use the following IP Address and fill in the IP address  Subnet   mask  and Default gateway fields    4  In the Internet Protocol TCP IP Properties window    Click Obtain DNS server automatically if you do not know your DNS server IP address es     If you know your DNS server IP address es   type them in the Preferred DNS server and Alternate  DNS server fields  If you have previously configured DNS servers  click Advanced and then the DNS  tab to order them    5  Click Advanced    If you do not know your gateway s IP address  remove any previously installed gateways in the IP  Settings tab and click OK    6  Click OK to save and close the Internet Protocol  TCP IP  Properties window    7  Click OK to close the Local Area Connection Properties window    8  Turn on your Prestige and restart your computer  if prompted      Verifying TCP IP Properties    Click Start  Programs  Accessories and then Command Prompt     In the Command Pro
26.  In Both  Only  Out Only or None   default    Version Press  SPACE BAR  to select the RIP version  Choices are RIP 1  RIP 1  RIP 2B or RIP 2M   default    Multicast IGMP  Internet Group Multicast Protocol  is a session layer protocol None    used to establish membership in a Multicast group  The ZyAIR supports  default   both IGMP version 1 IGMP v1  and version 2  IGMP v2   Press the   SPACE BAR  to enable IP Multicasting or select None to disable it           Edit IP Alias   The ZyAIR supports three logical LAN interfaces via its single physical No  Ethernet interface with the ZyAIR itself as the gateway for each LAN  default   network    Press  SPACE BAR  to select Yes and press  ENTER  to go to menu  3 2 1          When you have completed this menu  press  ENTER  at the prompt    Press ENTER to Confirm     to save  your configuration  or press  ESC  at any time to cancel              3 6 IP Alias    IP Alias allows you to partition a physical network into different logical networks over the same Ethernet  interface  The ZyAIR supports three logical LAN interfaces via its single physical Ethernet interface with  the ZyAIR itself as the gateway for each LAN network        Internet Access 3 7    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch           Ethernet LAN 1 IP Address  Menu 3 2     Interface  LAN 2 IP Alias 1  Menu 3 2 1           LAN 3 IP alias 2  Menu 3 2 1     BED    Figure 3 3 Physical Network Figure 3 4 Partitioned Logical Networks    Use menu 3 2 1 to con
27.  LAN promiscuous mode   1     46 Sat Jan 00 00 00 2000 PINI FO Last errorlog repeat 1 Times  47 Sat Jan 00 00 00 2000 PINI FO main  init completed   48 Sat Jan 00 00 02 2000 PPO5  WARN SNMP TRAP 3  link up   49 Sat Jan 00 00 02 2000 PP16  WARN Last errorlog repeat 2 Times  50 Sat Jan 00 00 02 2000 PP16 FO adjtime task pause 1 day   51 Sat Jan 00 00 30 2000 PSSV  WARN SNMP TRAP 0  cold start   52 Sat Jan 00 32 34 2000 PP10 FO SMT Password pass   53 Sat Jan 00 32 34 2000 PINI FO SMT Session Begin   54 Sat Jan 00 32 55 2000 PINI FO SMT Session End   Clear Error Log  y n               Figure 9 7 Sample Error and Information Messages    9 3 2 UNIX Syslog    The ZyAIR uses the UNIX syslog facility to log the CDR  Call Detail Record  and system messages to a  syslog server  Syslog can be configured in Menu 24 3 2     System Maintenance     UNIX Syslog  as shown  next        System Information and Diagnosis 9 5    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch             Menu 24 3 2   System Maintenance   UNIX Syslog    Syslog    Active  No   Syslog IP Address     Log Facility  Local 1    Types    CDR  No   Packet triggered  No  Filter log  No   PPP log  No    Press ENTER to Confirm or ESC to Cancel           Figure 9 8 Menu 24 3 2     System Maintenance     Syslog    You need to configure the UNIX syslog parameters described in the following table to activate syslog and  then choose what you want to log     Table 9 3 System Maintenance Menu     Syslog Parameters       PARAMET
28.  Port    1812  Key       Accounting Server   Active  No  Server Address     Port    1813  Key          Figure 4 6 Menu 23 2 System Security   External Server  The following table describes the fields in this screen     Table 4 3 Menu 23 2 System Security   External Server Field Description       FIELD DESCRIPTION EXAMPLE       Authentication Server       Active   Press  SPACE BAR  to select Yes and press  ENTER  to enable No  user authentication through an external authentication server   Select No to enable user authentication using the local user  profile on the ZyAIR                       4 6 Wireless LAN Security Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 4 3 Menu 23 2 System Security   External Server Field Description             FIELD DESCRIPTION EXAMPLE  Server Address   Enter the IP address of the external authentication server in 10 11 12 13  dotted decimal notation   Port   The default port of the RADIUS server for authentication is 1812  1812     You need not change this value unless your network  administrator instructs you to do so with additional information        Key   Specify a password  up to 31 alphanumeric characters  as the  key to be shared between the external authentication server and  the access points     The key is not sent over the network  This key must be the  same on the external authentication server and ZyAIR        Accounting Server    Active   Press  SPACE BAR  to select Yes and press  ENTER  to enable No  use
29.  Table 3 5 Internet Access Setup Menu Fields nennen 3 12  Table 3 6 Wireless LAN Setup Field Description    eene 3 16  Table 3 7 Roaming Configuration Field Descriptions                   esses 3 19  Table 4 1 Wireless LAN Setup Field Descerpton   eene 4 2  Table 4 2 IEEE802 1X System Security Field Descriptions essen 4 5  Table 4 3 Menu 23 2 System Security   External Server Field Description                      eee 4 6  Table 4 4 Menu 14 1  Edit Dial in User Field Descpton   esses 4 8  Table 4 5 MAC Address Filter Field Description             ccccecccsssesseeseeeseeeeceeeceseceseceseeeenseenseeeaeenaecnecseeeneeenes 4 10  Table 5 1 Remote Node Profile Menu Fields  5 2  Table 5 2 Remote Node Network Layer Oppons  sss eene enne 5 5  Table 5 3 Edit IP Static Route Menu Fields    5 9  Table 6 1 NAT Definitions ciet ete E EA e RA TREE ERE ORE Re n qe 6 1  Table 6 2 NAT Mapping Types icon n ene eae e UHR OR e ee nena 6 5  Table 6 3 Applying NAT in Menus 4  amp  II  6 7  Table 6 4 SUA Address Mapping Rules                  sss enne enne eren nnne 6 9  Table 6 5 Fields in Menu T5   EE 6 10  Table 6 6 Menu 15 1 1 1   Editing Configuring an Individual Rule in a Set    6 11  Table 6 7 Services  amp  Port Number 6 13  Table 7 1 Abbreviations Used in the Filter Rules Summary Mem  7 5  T  ble 7 2 Rule  Abbreviations  Used ico cti 7 5  Table 7 3 TCP IP Filter Rule Menu Fields  vico ie oe eet eee et eee eee cse aon 7 7  Table 7 4 Generic Filter Rule Menu Fields    7 1  Tabler7 5 Filtet S
30.  This field is only applicable for PPPoE and PPTP encapsulation   Connection   This field specifies if you want to make the connection to this  remote node a nailed up connection  More details are given earlier  in this section        Session Options    Use  SPACE BAR  to choose Yes and press  ENTER  to open No  menu 11 5 to edit the filter sets  See the Remote Node Filter  default     Edit Filter Sets section for more details        Idle Timeout  sec  Type the number of seconds  0 9999  that can elapse when the 100  ZyAIR is idle  there is no traffic going to the remote node   before  default   the ZyAIR automatically disconnects the remote node  0 means  that the session will not timeout           This field is available only for PPTP or PPPoE encapsulations        When you have completed this menu  press  ENTER  at the prompt  Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen              5 1 2 Outgoing Authentication Protocol    For obvious reasons  you should employ the strongest authentication protocol possible  However  some  vendors    implementation includes specific authentication protocol in the user profile  It will disconnect if  the negotiated protocol is different from that in the user profile  even when the negotiated protocol is  stronger than specified  If the peer disconnects right after a successful authentication  make sure that you  specify the correct authentication protocol 
31.  Yes  IP Protocol   Destination     Source     TCP Estab  No  More  No   Action Matche  Action Not Ma    Press ENTER t       6 P Source Route  No  IP Addr  0 0 0 0   IP Mask  0 0 0 0   Port    137   Port   Comp  Equal    IP Addr  0 0 0 0  IP Mask  0 0 0 0  Port     Port   Comp  None       Log  None  d  Drop  tched  Check Next Rule    o Confirm or ESC to Cancel     Figure 7 7 Menu 21 1 1     TCP IP Filter Rule    The following table describes how to configure your TCP IP filter rule     Table 7 3 TCP IP Filter Rule Menu Fields                         is 17 and ICMP is 1  The value must be between 0 and 255   A value of 0 matches ANY protocol     FIELD DESCRIPTION EXAMPLE  Filter   This is the filter set  filter rule coordinates  for instance  2  3 1 1  refers to the second filter set and the third filter rule of that  set   Filter Type Press  SPACE BAR  and the  ENTER  to select filter type  TCP IP Filter  Choices are TCP IP Filter Rule or Generic Filter Rule  Rule   default   Active Select Yes to activate or No to deactivate the filter rule  No   default   IP Protocol This is the upper layer protocol  for example  TCP is 6  UDP 0 to 255             Filter Configuration    7 7       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 7 3 TCP IP Filter Rule Menu Fields                                                          FIELD DESCRIPTION EXAMPLE   IP Source Route IP Source Route is an optional header that dictates the route No  an IP packet takes from its sour
32.  actual  remote DHCP  server in the Remote DHCP Server in this case     Server   default     When DHCP is used  the following items need to be set        Client IP Pool This field specifies the first of the contiguous addresses in the IP 192 168 1 33  Starting Address address pool        Size of Client IP Pool This field specifies the size or count of the IP address pool  32          Primary DNS Server  Enter the IP addresses of the DNS servers  The DNSG servers are  passed to the DHCP clients along with the IP address and the subnet  Secondary DNS    mask   Server                   3 6 Internet Access       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 3 1 DHCP Ethernet Setup Menu Fields       FIELD DESCRIPTION EXAMPLE    Remote DHCP  If Relay is selected in the DHCP field above then enter the IP  Server  address of the actual remote DHCP server here              Follow the instructions in the following table to configure TCP IP parameters for the Ethernet port     Table 3 2 TCP IP Ethernet Setup Menu Fields       FIELD DESCRIPTION EXAMPLE       TCP IP Setup  IP Address  Enter the  LAN  IP address of your ZyAIR in dotted decimal notation 192 168 1 1          IP Subnet Mask Your ZyAIR will automatically calculate the subnet mask based on the   255 255 255 0  IP address that you assign  Unless you are implementing subnetting   use the subnet mask computed by the ZyAIR              RIP Direction Press  SPACE BAR  to select the RIP direction  Choices are Both 
33.  an external hub  Connect a  LAN port on the ZyAIR to a port on the hub using a crossover Ethernet cable        Hardware Installation and Initial Setup 2 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          When the ZyAIR is on and properly connected to a computer or a hub  the  corresponding LAN LED on the front panel turns on        2 2 3 Console Port    Use terminal emulator software on a computer for configuring your ZyAIR via the console port  Connect  the 7 pin end of the supplied console cable to the console port of the ZyAIR and the 9 pin female end to a  serial port  COMI  COM2 or other COM port  of your computer  See the section on Additional Installation  Requirements to configure the terminal emulator software to log in to the ZyAIR through the console port     2 2 4 Restore Factory Defaults Reset Button    Reset to the factory defaults by holding the RESET button in for about 5 seconds to restart the ZyAIR   Refer to section 2 6 for information on the factory default values on your ZyAIR        All custom settings will be lost once you reset to the default settings        2 2 5 Power Port    Connect the power adapter to the port labeled POWER on the side panel of your ZyAIR which then  automatically turns on        The ZyAIR will reboot if the supplied power is too low  This is a normal operation           To avoid damage to the ZyAIR  make sure you use the correct power adapter   Refer to the Power Adapter Specification Appendix for this informatio
34.  and go back to the previous screen                 4 2 Wireless LAN Security Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       4 3 Network Authentication    Before a wireless client can communicate on your network through your ZyAIR  it must be authenticated  by the ZyAIR or your network     4 3 1 EAP    EAP is an authentication protocol designed originally to run over PPP  Point to Point Protocol  frame in  order to support multiple types of user authentication  By using EAP to interact with an EAP compatible  RADIUS server  the access point helps a wireless client and a RADIUS server to perform mutual  authentication     4 3 2 RADIUS    RADIUS is based on a client sever model that supports authentication  authorization and accounting  The  access point is the client and the server is the RADIUS server  The RADIUS server handles the following  tasks     e Authentication  Determines the identity of the users   e Authorization    Determines the network services available to authenticated users once they are connected to the  network     e Accounting  Keeps track of the client   s network activity     RADIUS is a simple package exchange in which your ZyAIR acts as a message relay between the wireless  client and the network RADIUS server     Types of RADIUS Messages    The following types of RADIUS messages are exchanged between the access point and the RADIUS server  for user authentication     e Access Request  Sent by an access point requesting authenticat
35.  any empty rules before your new configured rule  your configured rule will be pushed  up by that number of empty rules  For example  if you have already configured rules 1 to 6 in your current  set and now you configure rule number 9  In the set summary screen  the new rule will be rule 7  not 9     Now if you delete rule 4  rules 5 to 7 will be pushed up by   rule  so as old rule 5 becomes rule 4  old rule 6  becomes rule 5 and old rule 7 becomes rule 6     6 4 NAT Server Sets   Port Forwarding    A NAT server set is a list of inside  behind NAT on the LAN  servers  for example  web or FTP  that you  can make visible to the outside world even though NAT makes your whole inside network appear as a  single machine to the outside world     Use Menu 15   NAT Setup to forward incoming service requests to the server s  on your local network   You may enter a single port number or a range of port numbers to be forwarded  and the local IP address of  the desired server  The port number identifies a service  for example  web service is on port 80 and FTP on  port 21  In some cases  such as for unknown services or where one server can support more than one service   for example both FTP and web service   it might be better to specify a range of port numbers     In addition to the servers for specified services  NAT supports a default server  A service request that does  not have a server explicitly designated for it is forwarded to the default server  If the default is not defined   
36.  can also perform backup and restore using menu 24 through the console port  Any serial communications  program should work fine  however  you must use Xmodem protocol to perform the download upload and  you don t have to rename the files     Please note that terms    download    and    upload    are relative to the computer  Download means to transfer  from the ZyAIR to the computer  while upload means from your computer to the ZyAIR        10 2 Firmware and Configuration File Maintenance    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       10 2 1 Backup Configuration    Follow the instructions as shown in the next screen           Menu 24 5   System Maintenance   Backup Configuration    To transfer the configuration file to your workstation  follow the procedure  below     1  Launch the FTP client on your workstation    2  Type  open  and the IP address of your router  Then type  root  and  SMT password as requested    3  Locate the  rom 0  file    4  Type  get rom 0  to back up the current router configuration to  your workstation     For details on FTP commands  please consult the documentation of your FTP    client program  For details on backup using TFTP  note that you must remain  in this menu to back up using TFTP   please see your router manual     Press ENTER to Exit           Figure 10 1 Telnet in Menu 24 5    10 2 2 Using the FTP Command from the Command Line    Step 1   Step 2   Step 3   Step 4   Step 5   Step 6     Step 7     Launch the FTP client on y
37.  cancel           NAT    6 9       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       User Defined Address Mapping Sets    Now let s look at option 1 in menu 15 1  Enter 1 to bring up this menu  We ll just look at the differences   from the previous menu  Note the extra Action and Select Rule fields mean you can configure rules in this  screen  Note also that the         in the Set Name field means that this is a required field and you must enter a  name for the set     Menu 15 1 1   Address Mapping Rules    Set Name       Idx    2   Sis  4   5   6   7   8   95  0     m    Local Start IP Local End IP Global Start IP Global End IP    Action  Edit Select Rule     Press ENTER to Confirm or ESC to Cancel     Figure 6 8 Menu 15 1 1   First Set    The table below describes the fields for configuration in this screen     Table 6 5 Fields in Menu 15 1 1                                     FIELD DESRIPTION EXAMPL  E  Set Name   Enter a name for this set of rules  This is a required field  If this field is left NAT SET  blank  the entire set will be deleted   Action The default is Edit  Edit means you want to edit a selected rule  see following Edit  field   Insert Before means to insert a rule before the rule selected  The rules  after the selected rule will then be moved down by one rule  Delete means to  delete the selected rule and then all the rules after the selected one will be  advanced one rule  None disables the Select Rule item   Select When you choose Edit  Insert B
38.  configuration  or press  ESC  to cancel              11 2 1 Resetting the Time    The ZyAIR resets the time in three instances     i  On leaving menu 24 10 after making changes   ii  When the ZyAIR starts up  if there is a time server configured in menu 24 10   iii  24 hour intervals after starting        System Maintenance and Information 11 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 12  Call Scheduling    Call scheduling  applicable for PPPoE or PPTP encapsulation only  allows you to dictate when a  remote node should be called and for how long     12 1 Introduction    The call scheduling feature allows the ZyAIR to manage a remote node and dictate when a remote node  should be called and for how long  This feature is similar to the scheduler in a video cassette recorder  you  can specify a time period for the VCR to record   You can apply up to 4 schedule sets in Menu 11 1      Remote Node Profile  From the main menu  enter 26 to access Menu 26     Schedule Setup as shown next        Menu 26   Schedule Setup    Schedule Schedule   Set   Name Set   Name  d AM ALT citu un  Wt AA  DT Xn ricus Dur A na  A  3  s 9 HEP TES  A gee as ee ee AA NO  ana sews 8 De  5 AA I 11 c  6 12    Enter Schedule Set Number to Configure  0  Edit Name  N A    Press ENTER to Confirm or ESC to Cancel              Figure 12 1 Menu 26   Schedule Setup    Lower numbered sets take precedence over higher numbered sets thereby avoiding scheduling conflicts  For  example  if s
39.  device complies with Part 15 of FCC rules  Operation is subject to the following two conditions   e This device may not cause harmful interference     e This device must accept any interference received  including interference that may cause undesired  operations     This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to  Part 15 of the FCC Rules  These limits are designed to provide reasonable protection against harmful  interference in a commercial environment  This equipment generates  uses  and can radiate radio frequency  energy  and if not installed and used in accordance with the instructions  may cause harmful interference to  radio communications     If this equipment does cause harmful interference to radio television reception  which can be determined by  turning the equipment off and on  the user is encouraged to try to correct the interference by one or more of  the following measures     1  Reorient or relocate the receiving antenna    2  Increase the separation between the equipment and the receiver    3  Connect the equipment into an outlet on a circuit different from that to which the receiver is connected   4  Consult the dealer or an experienced radio TV technician for help    Notice 1    Changes or modifications not expressly approved by the party responsible for compliance could void the  user s authority to operate the equipment     Certifications    Refer to the product page at www zyxel com        F
40.  directional antennas are ideal for hallways and  outdoor point to point applications     Positioning Antennas   In general  antennas should be mounted as high as practically possible and free of obstructions  In point to      point application  position both transmitting and receiving antenna at the same height and in a direct line of  sight to each other to attend the best performance     For omni directional antennas mounted on a table  desk  and so on  point the antenna up  For omni   directional antennas mounted on a wall or ceiling  point the antenna down  For a single AP application   place omni directional antennas as close to the center of the coverage area as possible     For directional antennas  point the antenna in the direction of the desired coverage area        H Antenna Selection and Positioning Recommendation    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Appendix D  PPPoE    PPPoE in Action    An ADSL modem bridges a PPP session over Ethernet  PPP over Ethernet  RFC 2516  from your PC to an  ATM PVC  Permanent Virtual Circuit  which connects to an xDSL Access Concentrator where the PPP  session terminates  see the next figure   One PVC can support any number of PPP sessions from your LAN   PPPoE provides access control and billing functionality in a manner similar to dial up services using PPP     Benefits of PPPoE  PPPoE offers the following benefits   1  It provides you with a familiar dial up networking  DUN  user interface     2  It lesse
41.  n        i  i  i     i     H       1     1     1  j  H     i  i    The interface to    e LAN is Ethernet _   o Mao aj    z             WA       The interfac ito  the salis d j    a remote noi  is the ADSL port A    Figure 3 1 LAN  amp  WAN IPs       er re    3 3 TCP IP Parameters  3 3 1 IP Address and Subnet Mask    Like houses on a street that share a common street name  the computers on a LAN share one common  network number     Where you obtain your network number depends on your particular situation  If the ISP or your network  administrator assigns you a block of registered IP addresses  follow their instructions in selecting the IP  addresses and the subnet mask     If the ISP did not explicitly give you an IP network number  then most likely you have a single user account  and the ISP will assign you a dynamic IP address when the connection is established  If this is the case  it is  recommended that you select a network number from 192 168 0 0 to 192 168 255 0  ignoring the trailing  zero  and you must enable the Single User Account feature of the ZyAIR  The Internet Assigned Number  Authority  IANA  reserved this block of addresses specifically for private use  please do not use any other  number unless you are told otherwise  Let   s say you select 192 168 1 0 as the network number  which  covers 254 individual addresses  from 192 168 1 1 to 192 168 1 154  zero and 255 are reserved   In other  words  the first three numbers specify the network number while the last
42.  number  RMA   Products must be returned Postage Prepaid  It is recommended that the unit  be insured when shipped  Any returned products without proof of purchase or those with an out dated  warranty will be repaired or replaced  at the discretion of ZyXEL  and the customer will be billed for parts  and labor  All repaired or replaced products will be shipped by ZyXEL to the corresponding return address   Postage Paid  This warranty gives you specific legal rights  and you may also have other rights that vary  from country to country     Safety Warnings  1  To reduce the risk of fire  use only No  26 AWG or larger telephone wire   2  Do not use this product near water  for example  in a wet basement or near a swimming pool     3  Avoid using this product during an electrical storm  There may be a remote risk of electric shock from  lightening        iv ZyXEL Warranty    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Customer Support    Please have the following information ready when you contact customer support     Product model and serial number    Warranty Information    Date that you received your device    Brief description of the problem and the steps you took to solve it     METHOD E MAIL TELEPHONE FAX WEB SITE  FTP SITE  SUPPORT SALES    LOCATION    REGULAR MAIL          WORLDWIDE support zyxel com tw  886 3 578 3942 www zyxel com  www europe zyxel com  sales zyxel com tw  886 3 578 2439 ftp europe zyxel com    NORTH support zyxel com  1 714 632 0882 www 
43.  number identifies an individual  computer on that network     The subnet mask specifies the network number portion of an IP address  Your ZyAIR will compute the  subnet mask automatically based on the IP address that you entered  You don   t need to change the subnet  mask computed by the ZyAIR unless you are instructed to do otherwise        3 2 Internet Access    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       3 3 2 Private IP Addresses    Every machine on the Internet must have a unique address  If your networks are isolated from the Internet   for example  only between your two branch offices  you can assign any IP addresses to the hosts without  problems  However  the Internet Assigned Numbers Authority  IANA  has reserved the following three  blocks of IP addresses specifically for private networks     10 0 0 0     0 255 255 2955  172 16 0 0   10724391 255 255  192 168 0 0     192 168 255 255    You can obtain your IP address from the IANA  from an ISP or it can be assigned from a private network   If you belong to a small organization and your Internet access is through an ISP  the ISP can provide you  with the Internet addresses for your local networks  On the other hand  if you are part of a much larger  organization  you should consult your network administrator for the appropriate IP addresses        Regardless of your particular situation  do not create an arbitrary IP address   always follow the guidelines above  For more information on address assign
44.  personal computer interacts with a broadband modem  for example  xDSL   cable  wireless  etc   to achieve access to high speed data networks  It preserves the existing Microsoft Dial   Up Networking experience and requires no new learning or procedures     For the service provider  PPPoE offers an access and authentication method that works with existing access  control systems  for example  Radius   For the user  PPPoE provides a login and authentication method that  the existing Microsoft Dial Up Networking software can activate  and therefore requires no new learning or  procedures for Windows users     One of the benefits of PPPoE is the ability to let end users access one of multiple network services  a  function known as dynamic service selection  This enables the service provider to easily create and offer  new IP services for specific users     Operationally  PPPoE saves significant effort for both the end user and ISP carrier  as it requires no specific  configuration of the broadband modem at the customer site     By implementing PPPoE directly on the ZyAIR  rather than individual computers   the computers on the  LAN do not need PPPoE software installed  since the Teledat Router 400 does that part of the task   Furthermore  with SUA  all of the LAN s computers will have access  For more information on PPPoE   please refer to the PPPoE Appendix     3 7 3 PPTP    Point to Point Tunneling Protocol  PPTP  is a network protocol that enables transfer of data from a remo
45.  remote RADIUS authentication for wireless clients  you need    gt  A wireless client computer running IEEE 802 1x compliant software  Currently  this is offered in  Windows XP     gt  A network RADIUS server for remote user authentication and accounting    A computer equipped with a web browser  with JavaScript enabled  and or Telnet    A computer equipped with communications software  for example  Hyper Terminal in Windows    configured to the following parameters      gt  VT100 terminal emulation     gt  9600 baud rate     gt  Parity set to none  8 data bits  1 stop bit    gt     Flow control set to none     A cable xDSL modem and an ISP account for Internet access        Hardware Installation and Initial Setup 2 5    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       2 5 ZyAIR Configuration    Configure your ZyAIR using    gt  Web configurator   gt  SMT  System Management Terminal   Access the SMT via   o LAN or WAN using Telnet    o Console port using terminal emulation software    2 5 4 Connect to Your ZyAIR Using the Web Configurator    Step 1  Make sure your computer IP address and the ZyAIR IP address are on the same subnet  Refer to  the TCP IP appendix     Step 2  Launch your web browser and enter 192 168 1 1 as the URL   Step 3  In the Password field  type  1234   Click Login   Step 4  Either enter a new password  and retype it to confirm  and click Apply or click Ignore     Click the Help button for online web configurator HTML help     2 5 2 Connect to y
46.  same  ESSID  Enter a descriptive name up to 32 printable 7 bit ASCII characters    Hide ESSID Press  SPACE BAR  and select Yes to hide the ESSID in the outgoing beacon No  frame so a station cannot obtain the ESSID through passive scanning   Press  SPACE BAR  to select a channel  This allows you to set the operating CH01  frequency channel depending on your particular region  2412MHz    Channel ID  Possible choices are CH01 2412MHz  CH02 2417MHz  CH03 2422MHz   CH04 2427MHz  CH05 2432MHz  CH06 2437MHz  CH07 2442MHz  CH08  2447MHz  CH09 2452MHz  CH10 2457MHz or CH11 2462MHz     RTS  Request To Send  threshold  number of bytes  enables RTS CTS 2432  handshake  Data with its frame size larger than this value will perform the  RTS RTS CTS handshake  Setting this attribute to be larger than the maximum  Threshold      MSDU  MAC Service Data Unit  size turns off the RTS CTS handshake   Setting this attribute to zero turns on the RTS CTS handshake  Enter a value  between 0 and 2432     The threshold  number of bytes  for the fragmentation boundary for directed 2432  messages  It is the maximum data fragment size that can be sent  Enter a  value between 256 and 2432           Fragment  Threshold             When you have completed this menu  press  ENTER  at the prompt  Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen              For WEP key configuration  refer to section on WEP Data Encryption     3 1
47.  the  password will be reset to    1234    and the LAN IP address to 192 168 1 1     To obtain the default configuration file  download it from the ZyXEL FTP site  unzip it and save it in a  folder     2 6 1 Methods of Restoring Factory Defaults  You can erase the current configuration and restore factory defaults in three ways     1  Transfer the configuration file to your ZyAIR using the SMT menus  See later in this User s Guide for  more information on this     2  Use the RESET button on the side panel of the ZyAIR to upload the default configuration file  hold  this button in for more than 3 seconds   Use this method for cases when the password or IP address of  the ZyAIR is not known     3  Use the web configurator to restore defaults  see the web configurator HTML help        All custom settings will be lost once you reset to the default settings        2 6 2 ZyAIR SMT Menu Overview    The following figure gives you an overview of the various SMT menu screens of your ZyAIR        2 8 Hardware Installation and Initial Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       ZAIR B D00  Nain Menu    Menu  Menu2 Menu3 Menu4 Menu 11 Menu t2  General Setup WAN Setup LAN   dup Intemet Access Setup Remate Node Profile Stdic Routing Setup  Menu 1 4 Menu 124 4  Menu 32 Mru 113  ConfiguingDONS Meru 3 2 1 Edi IP Stdic Route  TCPMP andDHCP IP Alos Setup Remote Node Network          Menu 15 1   Adiress Mapping Sets       Setup Layer Optors       Menu 115  Menu3 5 1 Menu 2
48.  this computer   See Section 6 5 3 for an example           Local IP Only local IP fields are N A for server  Global IP fields MUST be set for    Server   Start   This is the starting local IP address  ILA   0 0 0 0  End   This is the ending local IP address  ILA   If the rule is for all local IPs  then N A    put the Start IP as 0 0 0 0 and the End IP as 255 255 255 255  This field is  N A for One to One and Server types                       NAT 6 11    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch             FIELD DESCRIPTION EXAMPLE  Global IP  Start   This is the starting global IP address  IGA   If you have a dynamic IP  enter 0 0 0 0    0 0 0 0 as the Global IP Start  Note that Global IP Start can be set to  0 0 0 0 only if the types are Many to One or Server     End   This is the ending global IP address  IGA   This field is N A for One to  N A  One  Many to One and Server types        Server   Only available when Type is set to Server  Type a number from 1 to 10 to  Mapping   choose a server set from menu 15 2   Set             Once you have finished configuring a rule in this menu  press  ENTER  at the message    Press ENTER  to Confirm       to save your configuration  or press  ESC  to cancel              Ordering Your Rules    Ordering your rules is important because the ZyAIR applies the rules in the order that you specify  When a  rule matches the current packet  the ZyAIR takes the corresponding action and the remaining rules are  ignored  If there are
49.  to configure the LAN network for the ZyAIR  Yes  IP Address Enter the IP address of your ZyAIR in dotted decimal notation 192 168 1 1       IP Subnet Mask    Your ZyAIR will automatically calculate the subnet mask based on  the IP address that you assign  Unless you are implementing  subnetting  use the subnet mask computed by the ZyAIR    255 255 255 0             Protocol Filters    RIP Direction  Press  SPACE BAR  to select the RIP direction  Choices are None  None  Both  In Only or Out Only    Version Press  SPACE BAR  to select the RIP version  Choices are RIP 1  RIP 1  RIP 2B or RIP 2M    Incoming Enter the filter set s  you wish to apply to the incoming traffic    between this node and the ZyAIR        Outgoing  Protocol Filters       Enter the filter set s  you wish to apply to the outgoing traffic between  this node and the ZyAIR              When you have completed this menu  press  ENTER  at the prompt  Press ENTER to Confirm     to save  your configuration  or press  ESC  at any time to cancel              Internet Access    3 9    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       3 7 Encapsulation  Be sure to use the encapsulation method required by your ISP  The ZyAIR supports the following methods     3 7 1 Ethernet    This encapsulation method is used when the WAN port is used as a regular Ethernet     3 7 2 PPPoE    Point to Point Protocol over Ethernet  PPPoE  functions as a dial up connection  PPPoE is an IETF Draft  standard specifying how a host
50.  type  Standard    Choose a RoadRunner flavor if your ISP is using Time Warner s  RoadRunner  otherwise choose Standard  The User Name   Password and Login Server IP Address fields are not applicable   N A  for the latter     Choose from Standard  Telstra  RoadRunner Telstra or BigPond  authentication method   RR Manager  RoadRunner Manager   authentication method  or RR Toshiba  RoadRunner Toshiba  authentication method         Service Name          When using PPPoE encapsulation  type the name of your PPPoE N A  service here                 5 2    Remote Node Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 5 1 Remote Node Profile Menu Fields       FIELD    DESCRIPTION    EXAMPLE       Outgoing   My Login    Type the login name assigned by your ISP when the ZyAIR calls  this remote node        My Password    Type the password assigned by your ISP when the ZyAIR calls this  remote node        Authen    This field sets the authentication protocol used for outgoing calls   Options for this field are     CHAP PAP     Your ZyAIR will accept either CHAP or PAP when  requested by this remote node     CHAP   accept CHAP  Challenge Handshake Authentication  Protocol  only     PAP     accept PAP  Password Authentication Protocol  only     PAP       PPTP        My IP Address    Type the  static  IP address assigned to you by your ISP in dotted  decimal notation     10 11 12 13       My IP Mask    Type the subnet mask of the PPTP server        Server IP
51. 1 1    Configure Dynamic DNS as  shown next           Menu 1 1   Configure Dynamic DNS    Service Provider  WWW DynDNS ORG  Active  Yes   DDNSType  DynamicDNS   Host    EMAIL    USER    Password  KKKK KK KK   Enable Wildcard  No   Offline  N A       Press ENTER to Confirm or ESC to Cancel        Figure 2 9 Configure Dynamic DNS       2 14    Hardware Installation and Initial Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Follow the instructions in the next table to configure Dynamic DNS parameters     Table 2 6 Configure Dynamic DNS Menu Fields                                     DDNS Type field  Check with your Dynamic DNS service  provider to have traffic redirected to a URL  that you can  specify  while you are off line        FIELD DESCRIPTION EXAMPLE  Service Provider  This is the name of your Dynamic DNS service provider  WWW DynDNS ORG   default   Active Press  SPACE BAR  to select Yes and then press  ENTER  to Yes  make dynamic DNS active   DDNS Type Select the type of service that you are registered for from your Dynamic DNS  Dynamic DNS service provider   default   Host Enter the domain name assigned to your ZyAIR by your me dyndns org  Dynamic DNS provider   EMAIL Enter your e mail address  mail mailserver  USER Enter your user name   Password Enter the password assigned to you   Enable Wildcard  Your ZyAIR supports DYNDNS Wildcard  Press  SPACE BAR  No  and then  ENTER  to select Yes to activate wildcard  This field  is N A when you choose DDN
52. 1 3 Roaming    A wireless station is a computer with an IEEE 802 11b compliant wireless Network Interface Card  NIC    An Access Point  AP  acts as a bridge between the wireless and wired networks  An AP creates its own  wireless coverage area  A wireless station can associate with a particular access point only if it is within the  access point s coverage area     In a network environment with multiple access points  wireless stations are able to switch from one access  point to another as they move between the coverage areas  This is roaming  As the wireless station moves  from place to place  it is responsible for choosing the most appropriate access point depending on the signal  strength  network utilization or other factors     The roaming feature on the access points allows the access points to relay information about the wireless  stations to each other  When a wireless station moves from a coverage area to another  it scans and uses the       3 16 Internet Access    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       signal of a new access point  which then informs the access points on the LAN about the change  The new  information is then propagated to the other access points on the LAN  An example is shown in Figure 3 10     If the roaming feature is not enabled on the access points  information is not communicated between the  access points when a wireless station moves between coverage areas  The wireless station may not be able  to communicate with other 
53. 15 FTP Session Example of Firmware File Upload  10 12  Figure 10 16 Menu 24 7 1 as seen using the Console Port  10 14  Figure 10 17 Example Xmodem Upload  10 14  Figure 10 18 Menu 24 7 2 as seen using the Console Pot  10 15  Figure 10 19 Example Xmodem Upload  10 16  Figure 11 1 Menu 24     System Maintenance  ener nennen enne 11 1  Figure 11 2 Valid CI Commande  11 1  Figure 11 3 Menu 24 10 System Maintenance     Time and Date Seng    11 2  Figure 12 1 Menu 26   Schedule Setup    12 1  Figure 12 2 Schedule Set Setup  12 2  Figure 12 3 Applying Schedule Set s  to a Remote Node  DPI     12 4  Figure 13 1 Telnet Configuration on a TCP IP Network                   eese ener 13 1  Figure 13 2 Menu 24 11   Remote Management Control  13 2       List of Figures xiii    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       List of Table    Table 2 1LFront Panel LED Desc ee A E EE E RR E R a aa 2 2  Table 1 2ZyATR  Wireless LAN Coverage    a 2 5  Table 2 3  Maiti Men Co ta 2 10  Table 2 4 Main Menu OA ias 2 11  Table 2 5 General Setup  Menu Fields  ts 2 14  Table 2 6 Configure Dynamic DNS Menu Feldes  nono nonnnnnnonn nr n nro nor nnnnnnrn nono 2 15  Table 2 7 WAN Setup Field Descriptions                essen ener nennen nne 2 16  Table 3 1 DHCP Ethernet Setup Menu Fields 3 6  Table 3 2 TCP IP Ethernet Setup Menu Fields                     sss eene 3 7  Table 3 3 IP Alias Setup Menu Fields    3 9  Table 3 4 Internet Account Informanon   eee enne nennen entren nnne nnne nnns 3 11 
54. 192 168 1 192 Lowest Host ID  192 168 1 193  Broadcast Address  192 168 1 255 Highest Host ID  192 168 1 254          More Subnets  Similarly use a 27 bit mask to create 8 subnets  001  010  011  100  101  110  and so on     The following table is a summary for class  C  subnet planning     Chart 11 Class C Subnet Planning                               NO   BORROWED  HOST SUBNET MASK NO  SUBNETS NO  HOSTS PER  BITS SUBNET  1 255 255 255 128   25  126  2 255 255 255 192   26  4 62  3 255 255 255 224   27  8 30  4 255 255 255 240   28  16 14  5 255 255 255 248   29  32 6  6 255 255 255 252   30  64 2  7 255 255 255 254   31  128 1                Subnetting With Class A and Class B Networks     For class    A    and class    B    addresses the subnet mask also determines which bits are part of the network  number and which are part of the host ID     A class    B    address has two host ID octets available for subnetting and a class    A    address has three host  ID octets  see Chart 1  available for subnetting     The following table is a summary for class    B    subnet planning              Z IP Subnetting    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chart 12 Class B Subnet Planning                                                       NO     BORROWED    HOST SUBNET MASK NO  SUBNETS NO  HOSTS PER  BITS SUBNET  1 255 255 128 0   17  2 32766  2 255 255 192 0   18  4 16382  3 255 255 224 0   19  8 8190  4 255 255 240 0   20  16 4094  5 255 255 248 0   21  32 20
55. 46  6 255 255 252 0   22  64 1022  7 255 255 254 0   23  128 510  8 255 255 255 0   24  256 254  9 255 255 255 128   25  512 126  10 255 255 255 192   26  1024 62  11 255 255 255 224   27  2048 30  12 255 255 255 240   28  4096 14  13 255 255 255 248   29  8192 6  14 255 255 255 252   30  16384 2  15 255 255 255 254   31  32768 1                   IP Subnetting AA       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Appendix H    Power Adapter Specifications       NORTH AMERICAN PLUG STANDARDS       AC Power Adapter Model    AD48 1201200DUY             Input Power AC120Volts 60Hz 0 25A  Output Power DC12Volts 1 2A  Power Consumption 10 W       Safety Standards    UL  CUL  UL 1950  CSA C22 2 No 234 M90        NORTH AMERICAN    PLUG STANDARDS       AC Power Adapter Model    DV 121A2 5720             Input Power AC120Volts 60Hz 27VA  Output Power DC12Volts 1 2A  Power Consumption 10 W       Safety Standards    UL  CUL  UL 1310  CSA C22 2 No 223 M91        EUROPEAN PLUG STANDARDS       AC Power Adapter Model    AD 1201200DV       Input Power    AC230Volts 50Hz 0 2A       Output Power    DC12Volts 1 2A       Power Consumption    10 W       Safety Standards    TUV  CE  EN 60950        UNITED KINGDOM PLUG STANDARDS       AC Power Adapter Model    AD 1201200DK       Input Power    AC230Volts 50Hz 0 2A       Output Power    DC12Volts 1 2A       Power Consumption    10 W          Safety Standards       TUV  CE  EN 60950  BS7002           Power Adapter Specifications    CC  
56. 5 Menu 35  Remde NodeFilter  WIAN MAC Ades  wireless LAN Setup ROT SIG  Fiter Configuration    Menu 26 Menu 4 Man 23 Menu2 Menu 21  Schedule Setup Syslem Moirlenance SystemSecurity SNMP Configuration Filer Sel Configurdion  Menu 26 x Menu 241 Manu 23 1 Menu 232 Meru 21 x Meru21 x 1  Schedule Set Setup System Maintenance   System Password RADIUS Sewer Filter Rules S ummery TCPAP Filter Rule    Status    Menu 23 4 Menu21 x1  Menu 242 Menu 242 1 IEEEGQ  1X Genen  FiterRule       Sydem infomation System Mairtenance      Informdion             Maru 24 11 Meru 249 1  Remote Management Budget Management  Menu 24 10 Menu 249 Menu 243 1  Time ard Date Cal oniro  Sing    Menu 247 2 Menu 247 1  System Maintenance   System Maintenance      Upload System Upload Syste mF irmw are    Configuration File    System Maintenance    Restore Corfiguration Backup Configuration    Figure 2 5 ZyAIR SMT Menu Overview       Hardware Installation and Initial Setup 2 9    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       2 7 Navigating the SMT Interface    The SMT  System Management Terminal  is the interface that you use to configure your ZyAIR     Several operations that you should be familiar with before you attempt to modify the configuration are  listed in the table below     Table 2 3 Main Menu Commands             previous menu    OPERATION KEYSTROKE DESCRIPTION  Move down to  ENTER  To move forward to a submenu  type in the number of the desired  another menu submenu and press  ENTER    
57. AN  or Disable  neither     gt  WAN only  Internet   gt  ALL  LAN and WAN    gt  LAN only    Disable  Neither        If you enable remote management of a service  but have applied a filter to block  the service  then you will not be able to remotely manage the service        Enter 11  from menu 24  to display Menu 24 11   Remote Management Control  shown next      Menu 24 11   Remote Management Control    TELNET Server  Port   23 Access   LAN only  Secured Client   0 0 0 0    FTP Server  Port   Access   LAN only  Secured L   0 0 0 0    Web Server  Port   Access   LAN only    Secured L   0 0 0 0    SNMP Service  Port   Access   AL  Secured L   0 0 0 0       DNS Service  Port   Access   AL  Secured P   0 0 0 0             Press ENTER to Confirm or ESC to Cancel        Figure 13 2 Menu 24 11   Remote Management Control    Table 13 1 Menu 24 11  Remote Management Control       FIELD DESCRIPTION EXAMPLE    Telnet Server Each of these read only labels denotes a server or service that you  FTP Server may use to remotely manage the ZyAIR   Web Server    SNMP Service  DNS Service          13 2 Remote Management    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 13 1 Menu 24 11  Remote Management Control       FIELD DESCRIPTION EXAMPLE    This field shows the port number for the remote management service   You may change the port number for a service if needed  but you  must use the same port number to use that service for remote  management     The DNS Service port nu
58. AN  the gateway must be the IP  address of one of the remote nodes    Metric Metric represents the    cost    of transmission for routing purposes  IP routing uses hop  count as the measurement of cost  with a minimum of 1 for directly connected networks   Type a number that approximates the cost for this link  The number need not be precise   but it must be between 1 and 15  In practice  2 or 3 is usually a good number    Private This parameter determines if the ZyAIR will include the route to this remote node in its          RIP broadcasts  If set to Yes  this route is kept private and is not included in RIP  broadcasts  If No  the route to this remote node will be propagated to other hosts  through RIP broadcasts              Remote Node Configuration    5 9    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 6  Network Address Translation  NAT     This chapter discusses how to configure NAT on the ZyAIR     6 1 Introduction    NAT  Network Address Translation   NAT  RFC 1631  is the translation of the IP address of a host in a  packet  for example  the source address of an outgoing packet  used within one network to a different IP  address known within another network     6 1 1 NAT Definitions    Inside outside denotes where a host is located relative to the ZyAIR  for example  the computers of your  subscribers are the inside hosts  while the web servers on the Internet are the outside hosts     Global local denotes the IP address of a host in a packet 
59. AN or your LAN to provide authentication  service for wireless clients     Unique   ESS ID  Unique with Hide MAC  ESSID ESSID Address WEP   Default  Enabled Filtering Encryption       Least Secure Most Secure  Figure 4 1 ZyAIR Wireless Security Levels    If you do not enable any wireless security on your ZyAIR  your network is accessible to any wireless  networking device that is within range     4 2 Data Encryption with WEP    WEP encryption scrambles the data transmitted between the wireless clients and the access points to keep   network communications private  It encrypts unicast and multicast communications in a network  Both the  wireless clients and the access points must use the same WEP key for data encryption and decryption  For  wireless LAN setup  refer to section on Wireless LAN Setup     Your ZyAIR allows you to configure up to four 64 bit or 128 bit WEP keys but only one key can be  enabled at any one time  Follow the steps below to configure and enable WEP encryption        Wireless LAN Security Setup 4 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Step 1  From the main menu  enter 3 to display Menu 3     Lan Setup   Step 2  Enter 5 to display Menu 3 5     Wireless LAN Setup     Menu 3 5   Wireless LAN Setup    ESSID  432545   Hide ESSID  No   Channel ID  CH11 2462MHz  RTS Threshold  2432  Frag  Threshold  2432  WEP  Disable    Default Key  N A   Keyl  N A   Key2  N A   Key3  N A   Key4  N A  Edit MAC Address Filter  No  Edit Roaming Configur
60. CC Statement iii    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch    ZyXEL Limited Warranty    ZyXEL warrants to the original end user  purchaser  that this product is free from any defects in materials  or workmanship for a period of up to two years from the date of purchase  During the warranty period  and  upon proof of purchase  should the product have indications of failure due to faulty workmanship and or  materials  ZyXEL will  at its discretion  repair or replace the defective products or components without  charge for either parts or labor  and to whatever extent it shall deem necessary to restore the product or  components to proper operating condition  Any replacement will consist of a new or re manufactured  functionally equivalent product of equal value  and will be solely at the discretion of ZyXEL  This warranty  shall not apply if the product is modified  misused  tampered with  damaged by an act of God  or subjected  to abnormal working conditions     Note       Repair or replacement  as provided under this warranty  is the exclusive remedy of the purchaser  This  warranty is in lieu of all other warranties  express or implied  including any implied warranty of  merchantability or fitness for a particular use or purpose  ZyXEL shall in no event be held liable for indirect  or consequential damages of any kind of character to the purchaser     To obtain the services of this warranty  contact ZyXEL s Service Center for your Return Material  Authorization
61. CP IP  rules   Generic Filter rules act on the raw data from to LAN and WAN  Protocol Filter rules act on IP packets        When NAT  Network Address Translation  is enabled  the inside IP address and port number are replaced  on a connection by connection basis  which makes it impossible to know the exact address and port on the  wire  Therefore  the ZyAIR applies the protocol filters to the    native    IP address and port number before   NAT for outgoing packets and after NAT for incoming packets  On the other hand  the generic  or device        7 12 Filter Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       filters are applied to the raw packets that appear on the wire  They are applied at the point where the ZyAIR  is receiving and sending the packets  for instance  the interface  The interface can be an Ethernet  or any  other hardware port  The following figure illustrates this        Figure 7 10 Protocol and Device Filter Sets    7 5 Example Filter    Let   s look at an example to block outside users from telnetting into the ZyAIR     Your LAN    N    User trying to telnet  into the ZyAIR        Incoming  Traffic Filter    Figure 7 11 Sample Telnet Filter  Step 1  Enter 21 from the main menu to open Menu 21   Filter Set Configuration     Step 2  Enter the index number of the filter set you want to configure  in this example  3         Filter Configuration 7 13    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Step 3  Type a descript
62. ER    DESCRIPTION       UNIX Syslog   Active    Syslog IP address    Press  SPACE BAR  and then  ENTER  to turn syslog on or off     Type the IP address of your syslog server              Log Facility   Press  SSPACE BAR  and then  ENTER  to select one of seven different local  options  The log facility lets you log the message in different server files  Refer to  your UNIX manual    Types   CDR   Call Detail Record  CDR  logs all data phone line activity if set to Yes   Packet Triggered   The first 48 bytes or octets and protocol type of the triggering packet is sent to the  UNIX syslog server when this field is set to Yes   Filter Log   No filters are logged when this field is set to No  Filters with the individual filter Log  Filter field set to Yes are logged when this field is set to Yes   PPP Log   PPP events are logged when this field is set to Yes           When you have completed this menu  press  ENTER  at the prompt  Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen           9 6    System Information and Diagnosis       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       9 3 3 Call Triggering Packet    Call Triggering Packet displays information about the packet that triggered a dial out call in an easy  readable format  Equivalent information is available in menu 24 1 in hex format     9 4 Diagnostic    The diagnostic facility allows you to test the different aspects of your ZyA
63. FFFFFFF     To configure a generic rule select an empty filter set in menu 21  for example 4  Select Generic Filter  Rule in the Filter Type field and press  ENTER  to open Menu 21 4 1     Generic Filter Rule  as shown in    the following figure           Menu 21 4 1   Generic Filter Rule    Filter    4 1   Filter Type  Generic Filter Rule  Active  No   Offset  0   Length  0   Mask  N A   Value  N A   More  No Log  None   Action Matched  Check Next Rule  Action Not Matched  Check Next Rule    Press ENTER to Confirm or ESC to Cancel           Figure 7 9 Menu 21 4 1   Generic Filter Rule    The next table describes the fields in the Generic Filter Rule menu     Table 7 4 Generic Filter Rule Menu Fields       FIELD    DESCRIPTION    EXAMPLE       Filter   This is the filter set  filter rule coordinates  for instance  2  3 refers to the  second filter set and the third rule of that set     5 1       Filter Type   Press  SPACE BAR  and then  ENTER  to select a type of rule     Generic Filter                      Filter Configuration    Parameters displayed below each type will be different  Choices are Rule  Generic Filter Rule or TCP IP Filter Rule   Active Press  SPACE BAR  to select Yes and press  ENTER  to turn on the filter No  rule   default   7 11       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 7 4 Generic Filter Rule Menu Fields                                           FIELD DESCRIPTION EXAMPLE  Offset Type the starting byte of the data portion in t
64. Gateway with 4 Port Switch          Transmission               sese 9 2 bcn 8 2  Related Doceumentatpon  sss xvil  aps acces rte ee ee estis 8 3  Remote Authentication Dial In User Service    See Trusted Host 8 3   RADIUS Static Route Setup  5 7  Remote DHCP Server  3 7 Static Routing Topologa  sess 5 8  Remote Management Limitations                   13 3 Eege ee 2 3  Remote Management Setup                    13 1  13 2 SUA  Single User Account                      See NAT  Remote Node  5 1  9 2 Subnet Mask                          3 2  3 7  5 5  5 9  9 4   Remote Node Profile 5 2 Support Disk  xvil  Request to Send protocol  3 14 Supporting Disk xvil  Required Delde sss 2 10 Syntax Conventons   xviii  RESET Button  2 4 EEN 9 5  Restore Confteurapon  10 7 Syslog IP Address                    sss 9 6  Reverse SMA Conmnectors 2 4 Syslog S  itvet      cease tees 9 5  RF signals    cse eee deciden A System  RIP      3 7  5 6  See Routing Information Protocol Console Port Speed  9 4  A 3 16 RIETS 9 7   Enable on ZyAIR                    sese 3 18 Log and Tragedie 9 4   Example coincida 3 17 Syslog and Accounting   oooocoococcconoconinnninnnonos 9 5   Reouements  eeii 3 17 System Information                    ssseeeee 9 3  Routing Information Protocol                            3 3 System Status oss    esee 9 1   Direction onions 3 3 Time and Date ociosa 11 2   KEE 3 3 System Information                sese 9 3  La See Request to Send System Information  amp  Diagnosis          
65. How NAT  WOR  ntn deter erre rn id diia 6 3  Figure 6 2 NAT Application With IP Als  6 4  Figure 6 3 Menu 4   Applying NAT for Internet Access  6 6  Figure 6 4 Menu 11 3   Applying NAT to the Remote Node    6 7  Figure  6 5  Menu I5   NAT Setup  onn dee Ree teen titur tete pe 6 8  Figure 6 6 Menu 15 1   Address Mapping Setz  6 8  Figure 6 7 Menu 15 1 255   SUA Address Mapping Rules                    sse 6 9  Figure 6 8 Men   15 1 1   First Set    doe redegi e eee etre ee Drs 6 10  Figure 6 9 Menu 15 1 1 1   Editing Configuring an Individual Rule in a Set    6 11  Figure 6 10 Menu 15 2   NAT Server Setup  6 14  Figure 6 11 Multiple Servers Behind NAT Example                      seen ener nennen 6 15  Figure 6 12 NAT Example Dri hee peo he ade epe OU eet eph 6 16  Figure 6 13 Menu 4   Internet Access  amp  NAT Example                   esee eene enne eene 6 16  Figure 6 14 NAT Example iia 6 17  Figure 6 15 Menu 15 2 1   Specifying an Inside Server  6 17  Figure 6 I16  NAT Example 3    cen cea ie ei e as 6 18  Figure 6 17 Example 3  Menu 11 3    cene e ads 6 19  Figure 6 18 Example 3  Menu 15  1 1 1    eure iced ee Rte toto ces o Ee e erede tpe Denia 6 19  Figure 6 19 Example 3  Final Menu 15 1 1    enne ener ener entente nennen 6 20  Figure 6 20  NAT Example Ai HR e Tee RH te is Ie e te M RE dd 6 21  Figure 6 21 Example 4  Menu 15 17   l i oe Ee iet eU Ad Eee ee ed 6 21  Figure 0 22 Example 4  Menu  Interes age ere A O ER E e CIEN ERR 6 22  Figure 7 1 Outgoing Packet Filterin
66. IP 2  IGA 2    LAN2  192 168 2 X   we PC3   Network Server PCS iB TO  ars      Sales      192 168 2 1   PC4    NT Server  182 168 2 1    E   PC PC Serverin    n R amp D Network  NT Serve PC3  IP 3  IGA 3   LAN3  192 168 3 X 192 168 3 1  Network Server     R amp D      192 168 3 1   WAN Addresses  LAN Addresses   Default IPs    IGA  gt  192 168 1 2               192 168 2 1                192 168 3 1    Figure 6 2 NAT Application With IP Alias        6 1 5 NAT Mapping Types  NAT supports five types of IP port mapping  They are   1  One to One  In One to One mode  the ZyAIR maps one local IP address to one global IP address     2  Many to One  In Many to One mode  the ZyAIR maps multiple local IP addresses to one global IP  address  This is equivalent to SUA  for instance  PAT  port address translation   ZyXEL s Single User  Account feature that previous ZyXEL routers supported  the SUA Only option in today s routers      3  Many to Many Overload  In Many to Many Overload mode  the ZyAIR maps the multiple local IP  addresses to shared global IP addresses     4  Many One to One  In Many One to One mode  the ZyAIR maps each local IP address to a unique  global IP address        6 4 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       5  Server  This type allows you to specify inside servers of different services behind the NAT to be  accessible to the outside world although  it is highly recommended that you use the DMZ port for these  servers instead        Port num
67. IPTION       Name Displays the system name of your ZyAIR  This information can be changed in  Menu 1     General Setup           Routing Refers to the routing protocol used              System Information and Diagnosis 9 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 9 2 Fields in System Maintenance       FIELD DESCRIPTION    ZyNOS F W Version Refers to the ZyNOS  ZyXEL Network Operating System  system firmware  version  ZyNOS is a registered trademark of ZyXEL Communications  Corporation           LAN       Ethernet Address   Refers to the Ethernet MAC  Media Access Control  of your ZyAIR   IP Address   This is the IP address of the ZyAlRe in dotted decimal notation   IP Mask   This shows the subnet mask of the ZyAIR   DHCP   This field shows the DHCP setting of the ZyAIR                    When you have completed this menu  press  ENTER  at the prompt    Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen              9 2 2 Console Port Speed    You can set up different port speeds for the console port through Menu 24 2 2     System Maintenance      Console Port Speed  Your ZyAIR supports 9600  default   19200  38400 and 57600bps console port  speeds  Press  SPACE BAR  and then  ENTER  to select the desired speed in menu 24 2 2  as shown in  the following figure        Menu 24 2 2   System Maintenance   Change Console Port Speed  Console Port Speed  9600    Press ENTER to Con
68. IR  for example     put firmware bin ras     transfers the firmware on your computer  firmware bin  to the ZyAIR and renames it    ras      Similarly   put config rom rom 0  transfers the configuration file on your computer   config rom  to the ZyAIR and renames it    rom 0     Likewise    get rom 0 config rom  transfers  the configuration file on the ZyAIR to your computer and renames it    config rom     See earlier in  this chapter for more information on filename conventions     Step 7  Enter  quit  to exit the ftp prompt     10 4 4 FTP Session Example of Firmware File Upload    331 Enter PASS command  Password    230 Logged in   ftp   bin   200 Type I OK   ftp   put firmware bin ras    200 Port command okay  150 Opening data connection for STOR ras  226 File received OK    ftp  1103936 bytes sent in 1 10Seconds 297 89Kbytes sec   ftp   quit       Figure 10 15 FTP Session Example of Firmware File Upload    More commands  found in GUI based FTP clients  are listed earlier in this chapter     Refer to section 10 2 5 to read about configurations that disallow TFTP and FTP over WAN     10 4 5 TFTP File Upload    The ZyAIR also supports the uploading of firmware files using TFTP  Trivial File Transfer Protocol  over  LAN  Although TFTP should work over WAN as well  it is not recommended     To use TFTP  your computer must have both telnet and TFTP clients  To transfer the firmware and the  configuration file  follow the procedure shown next        10 12 Firmware and Configurat
69. IR to determine if it is working  properly  Menu 24 4 allows you to choose among various types of diagnostic tests to evaluate your system   as shown in the following figure        Menu 24 4   System Maintenance   Diagnostic    TCP IP  1  Ping Host  2  WAN DHCP Release  3  WAN DHCP Renewal  4  Internet Setup Test    System  11  Reboot System    Enter Menu Selection Number   Host IP Address  N A             Figure 9 9 Menu 24 4     System Maintenance     Diagnostic  Follow the procedure next to get to display this menu   Step 1  From the main menu  type 24 to open Menu 24     System Maintenance   Step 2  From this menu  type 4  Diagnostic to open Menu 24 4     System Maintenance     Diagnostic     The table below describes the diagnostic tests available in menu 24 4 for your ZyAIR and the connections     Table 9 4 System Maintenance Menu   Diagnostic       FIELD DESCRIPTION       Ping Host Ping the host to see if the links and TCP IP protocol on both systems are working        DHCP Release   Release the IP address assigned by the DHCP server        DHCP Renewal   Get a new IP address from the DHCP server        Internet Setup Use this option to test your Internet connection   Test    Reboot System   Reboot the ZyAIR           Host IP Address   If you typed 1 to ping host  now type the address of the computer you want to ping                    System Information and Diagnosis 9 7    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 10  Firmware and Configurati
70. LAN Setup    ute nde egere been RIP E be EH Pe o eee edits 3 18  Figure 3 12 Menu 3 5 2     Roaming Confeurapon  sess ener ener nene 3 18  Figure 4 1 ZyAIR Wireless Security Levels    enne enne 4 1  Figure 4 2 Wireless LAN Setup  eese tiep i feste Hd ee ee Pe Hee eee eiie etae EE 4 2  Figure 4 3 Sequence for EAP Authentication               sse 4 4  Figure 4 4 Menu 23     System Security  eene entente enne 4 5  Figure 4 5 Menu 23 4  System Security     IEEE802  IN    4 5  Figure 4 6 Menu 23 2 System Security   External Server  4 6  Figure 4 7 Menu 14  Dial in User Setup               sees erinnerte nre enne esei iiie 4 8  Figure 4 8 Menu 14 1  Edit Dial in User rennen enne nennen nennen A 4 8  Figure 4 9 Menu 3 5     Wireless LAN Setup  4 9  Figure 4 10 Menu 3 5 1   WLAN MAC Address Filter                   eese eene nennen 4 9  Figure 5 1 Menu 11 1   Remote Node Profile    eene nennen enne nennen 5 2  Figure 5 2 Remote Node Network Layer Options                esses enne ener nnns 5 5  Figure 5 3 Menu 11 5   Remote Node Filter  Ethernet Encapsulatpon    5 7  Figure 5 4 Menu 11 5   Remote Node Filter  PPTP or PPPoE Encapsulapon   5 7       List of Figures xi    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch             Figure 5 5 Sample Static Routing Topology                  sess enne ener nennen 5 8  Fig  re 5 6 Menu  12 1    IP Static  Route Set  p     dte etis due date eei He tede 5 8  Figure 5 7 Edit  P Static ROUTE eege t eoo Ie e PR EEA to Pipe 5 9  Figure  621 
71. Length                7 3 Configuring a Filter Rule    To configure a filter rule  type its number in Menu 21 1     Filter Rules Summary and press  ENTER  to  open menu 21 1 1 for the rule     There are two types of filter rules  TCP IP and Generic  Depending on the type of rule  the parameters for  each type will be different  Use  SPACE BAR  to select the type of rule that you want to create in the  Filter Type field and press  ENTER  to open the respective menu     To speed up filtering  all rules in a filter set must be of the same class  for instance  protocol filters or  generic filters  The class of a filter set is determined by the first rule that you create  When applying the  filter sets to a port  separate menu fields are provided for protocol and device filter sets  If you include a  protocol filter set in a device filters field or vice versa  the ZyAIR will warn you and will not allow you to  save     7 3 1 TCP IP Filter Rule    This section shows you how to configure a TCP IP filter rule  TCP IP rules allow you to base the rule on  the fields in the IP and the upper layer protocol  for example  UDP and TCP headers     To configure TCP IP rules  select TCP IP Filter Rule from the Filter Type field and press  ENTER  to  open Menu 21 1 1     TCP IP Filter Rule  as shown next        7 6 Filter Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 21     Filter    1 1    1 1   TCP IP Filter Rule    Filter Type  TCP IP Filter Rule    Active 
72. Move up toa  ESC  Press  ESC  to move back to the previous menu        menu    Move to a    hidden       Press  SPACE  BAR  to change No  to Yes then press   ENTER      Fields beginning with    Edit    lead to hidden menus and have a  default setting of No  Press  SPACE BAR  once to change No to  Yes  then press  ENTER  to go to the    hidden    menu                              ENTER         Move the cursor  ENTER  or Within a menu  press  ENTER  to move to the next field  You can   UP   DOWN  arrow also use the  UP   DOWN  arrow keys to move to the previous  keys  and the next field  respectively    Entering Type in or press You need to fill in two types of fields  The first requires you to type   information  SPACE BAR   then  in the appropriate information  The second allows you to cycle  press  ENTER   through the available choices by pressing  SPACE BAR     Required fields  lt   gt  All fields with the symbol  lt   gt  must be filled in order to be able to   save the new configuration    N A fields  lt N A gt  Some of the fields in the SMT will show a  lt N A gt   This symbol   refers to an option that is Not Applicable    Save your  ENTER  Save your configuration by pressing  ENTER  at the message   configuration    Press ENTER to confirm or ESC to cancel   Saving the data on   the screen will take you  in most cases to the previous menu    Exit the SMT Type 99  then press  Type 99 at the main menu prompt and press  ENTER  to exit the    SMT interface        After you 
73. N    gt  Use the ZyAIR   s LAN IP address when configuring from the LAN        Remote Management 13 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       13 6 System Timeout    There is a system timeout of five minutes  300 seconds  for Telnet web FTP connections  Your ZyAIR will  automatically log you out if you do nothing in this timeout period  except when it is continuously updating  the status in menu 24 1 or when sys stdio has been changed on the command line        13 4 Remote Management    Additional Information             Part  IV          ADDITIONAL INFORMATION          ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          Chapter 14  Troubleshooting    This chapter covers potential problems and the corresponding remedies     14 1 Problem Starting Up the ZyAIR    Table 14 1 Troubleshooting the Start Up of Your ZyAIR       PROBLEM    CORRECTIVE ACTION       None of the LEDs  turn on when    plug in the power  adapter     Make sure you are using the supplied power adapter and that it is plugged in to an  appropriate power source  Check that the power source is turned on     If the problem persists  you may have a hardware problem  In this case  you should  contact your local vendor          cannot access  the ZyAIR via the  console port     1  Make sure the ZyAIR is connected to your computer s serial port           2  Make sure the VT100 terminal emulation   communications program is  configured correctly  The  communications software       9600 bp
74. P addresses from a DHCP  server if using dynamic IP address assignment     3 11 5 Enable the Roaming Feature on the ZyAIR    Enable the roaming feature if you have two or more ZyAIRs on the same subnet  Follow the steps below to  allow roaming on your ZyAIR     Step 1  From the main menu  enter 3 to display Menu 3   LAN Setup   Step 2  Enter 5 to display Menu 3 5     Wireless LAN Setup     Menu 3 5   Wireless LAN Setup    ESSID  Wireless  Hide ESSID  No  Channel ID  CH01 2412MHz  RTS Threshold  2432  Frag  Threshold  2432  WEP  Disable   Default Key  N A    Keyl  N A  Key2  N A  Key3  N A  Key4  N A  Edit MAC Address Filter  No  Edit Roaming Configuration  Yes    Press ENTER to Confirm or ESC to Cancel        Figure 3 11 Wireless LAN Setup    Step 3  Move the cursor to the Edit Roaming Configuration field  Press  SPACE BAR  to select Yes  and then press  ENTER   Menu 3 5 2     Roaming Configuration displays as shown next   Menu 3 5 2   Roaming Configuration    Active  Yes  Port    16290       Press ENTER to Confirm or ESC to Cancel     Figure 3 12 Menu 3 5 2   Roaming Configuration    The following table describes the fields in this menu        3 18 Internet Access    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 3 7 Roaming Configuration Field Descriptions       FIELD DESCRIPTION    Active Press  SPACE BAR  and then  ENTER  to select Yes to allow roaming on the ZyAIR Press   SPACE BAR  and then  ENTER  to select Yes to enable roaming on the ZyAIR if you ha
75. P packets to a group  of hosts on the network   not everybody     IGMP  Internet Group Multicast Protocol  is a session layer protocol used to establish membership in a  multicast group   it is not used to carry user data  IGMP version 2  RFC 2236  is an improvement over  version 1  RFC 1112  but IGMP version 1 is still in wide use  If you would like to read more detailed  information about interoperability between IGMP version 2 and version 1  please see sections 4 and 5 of  RFC 2236  The class D IP address is used to identify host groups and can be in the range 224 0 0 0 to  239 255 255 255  The address 224 0 0 0 is not assigned to any group and is used by IP multicast computers   The address 224 0 0 1 is used for query messages and is assigned to the permanent group of all IP hosts   including gateways   All hosts must join the 224 0 0 1 group in order to participate in IGMP  The address  224 0 0 2 is assigned to the multicast routers group     The ZyAIR supports both IGMP version 1  IGMP v1  and version 2  IGMP v2   At start up  the ZyAIR  queries all directly connected networks to gather group membership  After that  the ZyAIR periodically  updates this information  IP Multicasting can be enabled disabled on the ZyAIR LAN and or WAN  interfaces using menus 3 2  LAN  and 11 3  WAN   Select None to disable IP Multicasting on these  interfaces     3 5 TCP IP Ethernet and DHCP Setup  Use menu 3 2 to configure your ZyAIR for TCP IP     To edit menu 3 2  enter 3 from the main 
76. Panel and Connections                    eese ener eene 2 3  Figure 2 3  Power On Display    ebessi RE re REESE ESTNE 2 7  Figure 2 A Login SCreett EE 2 7  Eigure2 5 ZyAIR SMT Men   OV  etVIew  adei eto omne ae cr EE etes dt 2 9  Figure 2 6 SMT Main Mello in o ROIG a D de etree Ne dE 2 11  Figure 2 7 Menu 23     System Dasswornd  eene nnne en nnne 2 12  Figure 2 8 Menu  1     General Setup  etica ais att e UI andes 2 13  Figure 2 9 Configure Dynamic DNS            ccccssecsseesseeseeescesecesecesecseceaeceaecseecaeesaecaaecseecaeeeseesseeeeesereneaeenaeenaes 2 14  Figure 2 10 Menu 2      WAN Sell decai o ep Ep ha E n e a nr b ERU D reb cH Rede 2 16  Figure 2 11 Menu 3     LAN Setup    essent nee nennen trennen inerenti netten nenne A enn 2 17  Figure 2 12 Menu 3 1     General Ethernet Setup  2 17  Figure 3 1 LAN   amp  WAN Jee eege eege Eed in ie ed eg oe de 3 2  Figure 3 2 Menu 3 2     TCP IP and DHCP Ethernet Setup                 esee ener 3 6  Figure  3 3  Physical Network    o ed eee er Perte eren idee AAA 3 8  Figure 3 4 Partitioned Logical Networks                   eese eren enne nennt trennen nennen rene 3 8  Figure 3 5 Menu 3 2 TCP IP and DHCP Setup              sessi nono cnn nete nein 3 8  Figure 3 6 Menu 3 2 1 IP Alias Semi 3 9    MARINAS e ear aee aa n aa a a ana a aae oaan ae an a araea Eeee Sanies arna 3 12  Figure 3 8 RES Ehreshold   rete E A E E Ue e E 3 14  Figure 3 9 Menu 3 5   Wireless LAN Semi 3 15  Figure 3 10 Roaming sample  3 17  Figure 3 11 Wireless 
77. RIP Direction   Options are Both  In Only  Out Only or None     None       Version    Press  SPACE BAR  and then  ENTER  to select the RIP version   Options are RIP 1  RIP 2B or RIP 2M     RIP 1       Multicast       IGMP v1 sets IGMP to version 1  IGMP v2 sets IGMP to version 2 and  None disables IGMP        None          When you have completed this menu  press  ENTER  at the prompt  Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen           5 2 Remote Node Filter    Move the cursor to the Edit Filter Sets field in menu 11 1  then press  SPACE BAR  to select Yes  Press   ENTER  to display Menu 11 5   Remote Node Filter     Use Menu 11 5   Remote Node Filter to specify the filter set s  to apply to the incoming and outgoing  traffic between this remote node and the ZyAIR and also to prevent certain packets from triggering calls   You can specify up to 4 filter sets separated by comma  for example  1  5  9  12  in each filter field     Note that spaces are accepted in this field        5 6    Remote Node Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 11 5   Remote Node Filter    Input Filter Sets   protocol filters  1  2  3  device filters   Output Filter Sets     protocol filters   device filters     Enter here to CONFIRM or ESC to CANCEL        Figure 5 3 Menu 11 5   Remote Node Filter  Ethernet Encapsulation      Menu 11 5   Remote Node Filter    Input Filter S
78. S client as your service provider   Offline This option is available when CustomDNS is selected in the N A          When you have completed this menu  press  ENTER  at the prompt    Press ENTER to Confirm       to save  your configuration  or press  ESC  at any time to cancel        2 10 WAN Setup    The MAC address field allows users to configure the WAN port s MAC Address by either using the factory  default or cloning the MAC address from a computer on your LAN  Once it is successfully configured  the  address will be copied to the rom file  ZyNOS configuration file   It will not change unless you change the  setting or upload a different rom file           ZyXEL recommends you clone the MAC address from a workstation on your LAN  even if your ISP does not require MAC address authentication           Hardware Installation and Initial Setup    2 15    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       From the main menu  enter 2 to display Menu 2 WAN Setup screen as shown     Menu 2   WAN Setup    MAC Address   Assigned By  Factory default    IP Address  N A    Press ENTER to Confirm or ESC to Cancel        Figure 2 10 Menu 2 WAN Setup    The following table describes the fields in this screen     Table 2 7 WAN Setup Field Descriptions          FIELD DESCRIPTION EXAMPLE       MAC Address       Assigned By   Press  SPACE BAR  to select Factory default and press  ENTER  to Factory default  use the factory assigned MAC address     Select IP address attached on LAN and 
79. SFER PROCESS AS THIS MAY  PERMANENTLY DAMAGE YOUR ZYAIR        10 4 1 Firmware File Upload    FTP is the preferred method for uploading the firmware and configuration  To use this feature  your  computer must have an FTP client     When you telnet into the ZyAIR  you will see the following screens for uploading firmware and the  configuration file using FTP        10 10 Firmware and Configuration File Maintenance    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 24 7 1   System Maintenance   Upload System Firmware    To upload the system firmware  follow the procedure below     Launch the FTP client on your workstation    Type  open  and the IP address of your system  Then type  root  and  SMT password as requested    Type  put firmwarefilename ras  where  firmwarefilename  is the name  of your firmware upgrade file on your workstation and  ras  is the  remote file name on the system    The system reboots automatically after a successful firmware upload     For details on FTP commands  please consult the documentation of your FTP  client program  For details on uploading system firmware using TFTP  note  that you must remain on this menu to upload system firmware using TFTP    please see your manual     Press ENTER to Exit        Figure 10 13 Telnet Into Menu 24 7 1     Upload System Firmware    10 4 2 Configuration File Upload    You see the following screen when you telnet into menu 24 7 2     Menu 24 7 2   System Maintenance   Upload System Configuration F
80. Setup Use this menu to set up local user profiles on the ZyAIR   15 NAT Setup Use this menu to specify inside servers when NAT is enabled   21 Filter Set Configuration   Use this menu to set up filters to provide security  etc   22 SNMP Configuration Use this menu to set up SNMP related parameters   23 System Password Use this menu to change your password           Hardware Installation and Initial Setup 2 11       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 2 4 Main Menu Summary                  MENU TITLE DESCRIPTION  24 System Maintenance This menu provides system status  diagnostics  software upload  etc   26 Schedule Setup Use this menu to schedule outgoing calls   99 Exit Use this to exit from SMT and return to a blank screen                    2 8 Changing the System Password  Change the ZyAIR default password by following the steps shown next   Step 1  Enter 23 in the main menu to display Menu 23   System Password as shown next     Step 2  Type your existing system password in the Old Password field  for example    1234     and press   ENTER         Menu 23   System Password    Old Password        New Password     Retype to confirm       Enter here to CONFIRM or ESC to CANCEL              Figure 2 7 Menu 23     System Password    Step 3  Type your new system password in the New Password field  up to 30 characters   and press   ENTER      Step 4  Re type your new system password in the Retype to confirm field for confirmation and press   ENTER     
81. T Mapping Types deed NEESS de eee te ts 6 4  62   Using NAT  ict nere Edi reete e ee e d e eie der dae dee t iei 6 6   6 2 1 SUA  Single User Account  Versus NAT cooconconocnonoconcnononnnonnnonnonncnnn canon nono nnon nro nrcn nro 6 6   6 2 2 Applying NA Ti A eee bees 6 6  63 NADA td 6 7   6 3 1    Address Mapping Sets ita A dea ee dei Ta 6 8   6 3 2 Configuring Individual Rule coi e heeds 6 11  6 4 NAT Server Sets     Port Forwarding                  sese 6 12   6 4 1 Configuring a Server behind NAT  ener 6 13  6 5  General NAT Examples    s A te ee eR 6 16   6 5 1 Example 1  Internet  Access Only iiss seco st vse ede as 6 16   6 5 2 Example 2  Internet Access with an Inside Server  6 17   6 5 3 Example 3  Multiple Public IP Addresses With Inside Serverg  sss 6 18   6 5 4 Example 4  NAT Unfriendly Application Programs  6 21   ADVANCED MANAGEMENT          c sssscscssosecsssosecsessosecsessesecsersesecsersesecsessesecsessesecsessesecsessesecsersesecserseserses II  Chapter 7 Filter Configuration               csccssscsssssssssssssssesscssscssscssssssssssesssesssessssssssessnessneessessessssesssssesseseees 7 1  deck About  Filtering st eee ie ee eee a E ae 7 1  7 2       Configuring a Filter Sets  i RR EE on aes MAAN EE  7 3   7 2 1 Filter Rules Summary Menus             ccccesccsseesseeseeeeeeseeeseceeeeesecesecaecaecaecseecaeeesesseeeneeeeeeens 7 5  3  Configuring    Filter Rule    RR pne eom Ue e pt cen OR Qu Nee Ue ede CU 7 6   7 3 1 TEPIP Filter Rule ete RC Rene RR RISE Re
82. TP     You can apply up to four schedule sets  separated by commas  for one remote node  Change the schedule  set numbers to your preference s         Call Scheduling    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 13  Remote Management    This chapter covers remote management  SMT menu 24 11      13 1 Telnet    You can configure your ZyAIR for remote Telnet access as shown next     ZyAIR      B   p        lt   Wireless LAN Incoming Traffic  connections       User telnets  into the LAN    Figure 13 1 Telnet Configuration on a TCP IP Network    13 2 FTP    You can upload and download ZyAIR firmware and configuration files using FTP  To use this feature  your  computer must have an FTP client     13 3 Web    You can use the ZyAIR   s embedded web configurator for configuration and file management  See the  online help for details     13 4 Remote Management  To disable remote management of a service  select Disable in the corresponding Server Access field     Enter 11 from menu 24 to display Menu 24 11     Remote Management Control        Remote Management 13 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       13 4 1 Remote Management Setup    Remote management setup is for managing Telnet  FTP and Web services  You can customize the service  port  access interface and the secured client IP address to enhance security and flexibility     You may manage your ZyAIR from a remote location via    the Internet  WAN only   the LAN only  All  LAN and W
83. With RADIUS Server  IP  PACK Ct aine eet 7 11 Example eo E  IP Beleeg dre tns 3 4  IP Static Route e eaa aanren aaea as 5 7 P  IP Static Route Setup               sss 5 8 Packet Tnggered 9 6  L NL 9 2  PAP EE 5 3  Link typerna nni lei eee 9 2 Password EE 2 7  2 12  5 3  8 2  Log and Trace miii ien 9 5 LTE 9 7  Log Facility          nsns eee 9 6 PPP Data Connection                 sess M  Logging Option  7 9  7 12 PPP LOog   i veces  cece e ne eH 9 6  IN NEE I  M PPPoE Encapsulatton  3 10  MAC Address PPPOE E I  Cloning Recommendation                       2 15 RTE ccciuvcssceseses LEE K  MAC Address Filter Acten  4 10 PPTP Encapsulapon   3 10  MAC Address Filtering              4 8 PPTP Protocol Overview    oooooooconoconocononnconnonnnnnos L  Main Men      ges netter 2 10 PPTP Support En 12  Management Information Base  MIB               8 2 PVE c                   5 6  5 9  Message Login  9  Protocol    eene diets 7 7  Eeer 5 6  5 9 Protocol Filter Rules en 7 12  Mounting Options   oooooonconiconocnnonoconoconoconocnncnnnos 2 5 Q  WE Uer 5 6  My WAN Address                        eese 5 5 Quick Start Guide                                sess xvii  N R  Nailed Up Connection  5 1 EES geseet eer nitide 4 3  NEE Sot neg sse ie edem 7 12 Shared Secret Ken  4 4  Application   Lia tio 6 3 RADIUS Message Tvpes  eee 4 3  Applying NAT in the SMT Menus                6 6 LN 9 4  Confeurmg  A 6 7 Rate  Definitions ss See 6 1 Regent ode ree es 9 2  Index GG    ZyAIR B 2000 Wireless LAN 
84. ZyAIR B 2000    Wireless LAN Gateway with 4 Port Switch    User s Guide    Version 3 50  October 2002    ZyXEL    TOTAL INTERNET ACCESS SOLUTION    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Copyright  Copyright    2002 by ZyXEL Communications Corporation     The contents of this publication may not be reproduced in any part or as a whole  transcribed  stored in a  retrieval system  translated into any language  or transmitted in any form or by any means  electronic   mechanical  magnetic  optical  chemical  photocopying  manual  or otherwise  without the prior written  permission of ZyXEL Communications Corporation     Published by ZyXEL Communications Corporation  All rights reserved   Disclaimer    ZyXEL does not assume any liability arising out of the application or use of any products  or software  described herein  Neither does it convey any license under its patent rights nor the patent rights of others   ZyXEL further reserves the right to make changes in any products described herein without notice  This  publication is subject to change without notice     Trademarks    ZyNOS  ZyXEL Network Operating System  is a registered trademark of ZyXEL Communications  Inc   Other trademarks mentioned in this publication are used for identification purposes only and may be  properties of their respective owners        ii Copyright    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Federal Communications Commission   FCC  Interference Statement    This
85. address of the telnet client and accepts TFTP  requests only from this address     Step 2  Put the SMT in command interpreter  CI  mode by entering 8 in Menu 24     System  Maintenance     Step 3  Enter command    sys stdio 0    to disable the SMT timeout  so the TFTP transfer will not be  interrupted  Enter command    sys stdio 5    to restore the five minute SMT timeout  default  when  the file transfer is complete     Step 4  Launch the TFTP client on your computer and connect to the ZyAIR  Set the transfer mode to  binary before starting data transfer     Step 5  Use the TFTP client  see the example below  to transfer files between the ZyAIR and the  computer  The file name for the configuration file is    rom 0     rom zero  not capital o      Note that the telnet connection must be active and the SMT in CI mode before and during the TFTP  transfer  For details on TFTP commands  see following example   please consult the documentation of your  TFTP client program  For UNIX  use  get  to transfer from the ZyAIR to the computer and    binary    to set  binary transfer mode     10 2 7 TFTP Command Example  The following is an example TFTP command   tftp   i  host get rom 0 config rom    where    i    specifies binary image transfer mode  use this mode when transferring binary files      host    is the  ZyAIR IP address   get  transfers the file source on the ZyAIR  rom 0  name of the configuration file on  the ZyAIR  to the file destination on the computer and renames it co
86. age transfer mode  use this mode when transferring binary files      host    is the  ZyAIR   s IP address and    put    transfers the file source on the computer  firmware bin     name of the  firmware on the computer  to the file destination on the remote host  ras   name of the firmware on the  ZyAIR      Commands that you may see in GUI based TFTP clients are listed earlier in this chapter     10 4 7 Uploading Via Console Port    FTP or TFTP are the preferred methods for uploading firmware to your ZyAIR  However  in the event of  your network being down  uploading files is only possible with a direct connection to your ZyAIR via the  console port  Uploading files via the console port under normal conditions is not recommended since FTP  or TFTP is faster  Any serial communications program should work fine  however  you must use the  Xmodem protocol to perform the download upload        Firmware and Configuration File Maintenance 10 13    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       10 4 8 Uploading Firmware File Via Console Port    Step 1  Select 1 from Menu 24 7     System Maintenance     Upload Firmware to display Menu 24 7 1      System Maintenance     Upload System Firmware  then follow the instructions as shown in  the following screen        Menu 24 7 1   System Maintenance   Upload System Firmware    To upload system firmware    1  Enter  y  at the prompt below to go into debug mode    2  Enter  atur  after  Enter Debug Mode  message    3  Wait for  St
87. ages from this address  A blank  default  field means your  ZyAIR will respond to all SNMP messages it receives  regardless             of source   Trap  public  C it Type the trap community  which is the password sent with each  ommunity  trap to the SNMP manager   Destination   Type the IP address of the station to send your SNMP traps to  0 0 0 0       When you have completed this menu  press  ENTER  at the prompt    Press ENTER to confirm or ESC to  cancel    to save your configuration or press  ESC  to cancel and go back to the previous screen              8 4 SNMP Traps    The ZyAIR will send traps to the SNMP manager when any one of the following events occurs        SNMP Configuration 8 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 8 2 SNMP Traps                                  TRAP   TRAP NAME DESCRIPTION   1 coldStart  defined in RFC 1215  A trap is sent after booting  power on     2 warmsStart  defined in RFC 1215    A trap is sent after booting  software reboot     3 linkUp  defined in RFC 1215  A trap is sent with the port number    4 authenticationFailure  defined in A trap is sent to the manager when receiving any SNMP   RFC 1215  get or set requirements with wrong community    password     6 linkDown  defined in RFC 1215  A trap is sent with the port number when any of the links  are down  See the following table        The port number is its interface index under the interface group     Table 8 3 Ports and Permanent Virtual Circuits  
88. alPlayer  VDOLive  Quake  and PPTP  No configuration is needed to support these applications     Dynamic DNS Support    With Dynamic DNS support  you can have a static hostname alias for a dynamic IP address  allowing the  host to be more easily accessible from various locations on the Internet  You must register for this service  with a Dynamic DNS client        1 2 Getting To Know Your ZyAIR    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       DHCP Support    DHCP  Dynamic Host Configuration Protocol  allows the individual clients  computers  to obtain the  TCP IP configuration at start up from a centralized DHCP server  The ZyAIR has built in DHCP server  capability enabled by default  It can assign IP addresses  an IP default gateway and DNS servers to DHCP  clients  The ZyAIR also acts as a surrogate DHCP server  DHCP Relay  where it relays IP address  assignment from the actual real DHCP server to the clients     Multicast    Traditionally  IP packets are transmitted in two ways   unicast or broadcast  Multicast is a third way to  deliver IP packets to a group of hosts  IGMP  Internet Group Management Protocol  is the protocol used to  support multicast groups  The latest version is version 2  see RFC 2236   The ZyAIR supports versions 1  and 2     Network Management    Menu driven SMT  System Management Terminal  management    Embedded Web Configurator    CLI  Command Line Interpreter     Remote SMT session via Telnet    Remote Management via Telnet  FTP or We
89. ardware Installation and Initial Setup 2 13    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Step 2   Fillin the required fields  Refer to the table shown next for more information about these fields     Table 2 5 General Setup Menu Fields                FIELD DESCRIPTION EXAMPLE  System Name Choose a descriptive name for identification purposes  This name can ZyAIR  be up to 30 alphanumeric characters long  Spaces are not allowed  but  dashes         and underscores     are accepted   Domain Name Enter the domain name  if you know it  here  If you leave this field blank    zyxel com t  the ISP may assign a domain name via DHCP  You can go to menu 24 8 w  and type  sys domainname  to see the current domain name used by  your gateway   If you want to clear this field just press the  SPACE BAR   The domain  name entered by you is given priority over the ISP assigned domain  name   Edit Dynamic DNS   Press  SPACE BAR  to select Yes and press  ENTER  to configure No       Menu 1 1     Configure Dynamic DNS  discussed next               When you have completed this menu  press  ENTER  at the prompt    Press ENTER to Confirm       to save    your configuration  or press  ESC  at any time to cancel           2 9 3 Procedure to Configure Dynamic DNS       If you have a private WAN IP address  then you cannot use Dynamic DNS        Step 1  To configure Dynamic DNS  go to Menu 1     General Setup and select Yes in the Edit  Dynamic DNS field  Press  ENTER  to display Menu 
90. arting XMODEM upload  message before activating  Xmodem upload on your terminal    4  After successful firmware upload  enter  atgo  to restart the  router     Warning  Proceeding with the upload will erase the current system  firmware   Do You Wish To Proceed   Y N              Figure 10 16 Menu 24 7 1 as seen using the Console Port    Step 2  After the  Starting Xmodem upload  message appears  activate the Xmodem protocol on your  computer  Follow the procedure as shown previously for the HyperTerminal program  The  procedure for other serial communications programs should be similar     10 4 9 Example Xmodem Firmware Upload Using HyperTerminal  Click Transfer  then Send File to display the following screen          Send File   i  Type the firmware file   s location  or    lick B to look for it   Folder  C  Product d bcd IL    Filename   C  Product  firmware  bi           Browse  T    Protocol   modem         Choose the Xmodem protocol   Then click Send     Figure 10 17 Example Xmodem Upload    After the firmware upload process has completed  the ZyAIR will automatically restart        10 14 Firmware and Configuration File Maintenance    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       10 4 10Uploading Configuration File Via Console Port    Step 1  Select 2 from Menu 24 7     System Maintenance     Upload Firmware to display Menu 24 7 2      System Maintenance     Upload System Configuration File  Follow the instructions as  shown in the next screen        Menu 24
91. ary  11111111 11111111 11111111  00000000                   The first three octets of the address make up the network number  class  C    You want to have two  separate networks     Divide the network 192 168 1 0 into two separate subnets by converting one of the host ID bits of the IP  address to a network number bit  The    borrowed    host ID bit can be either    0    or    1    thus giving two  subnets  192 168 1 0 with mask 255 255 255 128 and 192 168 1 128 with mask 255 255 255 128        IP Subnetting W    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          In the following charts  shaded bolded last octet bit values indicate host ID bits     borrowed    to form network ID bits  The number of    borrowed    host ID bits  determines the number of subnets you can have  The remaining number of host  ID bits  after    borrowing     determines the number of hosts you can have on each  subnet        Chart 5 Subnet 1                               NETWORK NUMBER LAST OCTET BIT VALUE  IP Address 192 168 1  0  IP Address  Binary  11000000 10101000 00000001  00000000  Subnet Mask 255 255 255  128  Subnet Mask  Binary  11111111 11111111 11111111  10000000  Subnet Address  192 168 1 0 Lowest Host ID  192 168 1 1  Broadcast Address  192 168 1 127 Highest Host ID  192 168 1 126                Chart 6 Subnet 2                               NETWORK NUMBER LAST OCTET BIT VALUE  IP Address 192 168 1  128  IP Address  Binary  11000000 10101000 00000001  10000000  Subnet Mask 255
92. as the packet traverses a router  for example  the  local address refers to the IP address of a host when the packet is in the local network  while the global  address refers to the IP address of the host when the same packet is traveling in the WAN side     Note that inside outside refers to the location of a host  while global local refers to the IP address of a host  used in a packet  Thus  an inside local address  ILA  is the IP address of an inside host in a packet when  the packet is still in the local network  while an inside global address  IGA  is the IP address of the same  inside host when the packet is on the WAN side  The following table summarizes this information     Table 6 1 NAT Definitions       ITEM DESCRIPTION  Inside This refers to the host on the LAN   Outside This refers to the host on the WAN              Local This refers to the packet address  source or destination  as the packet travels on the LAN        Global This refers to the packet address  source or destination  as the packet travels on the WAN                    NAT never changes the IP address  either local or global  of an outside host           NAT 6 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       6 1 2 What NAT Does    In the simplest form  NAT changes the source IP address in a packet received from a subscriber  the inside  local address  to another  the inside global address  before forwarding the packet to the WAN side  When  the response comes back  NAT translates the 
93. ation  No       Figure 4 2 Wireless LAN Setup    The following table describes the WEP related fields in this screen  For wireless LAN field descriptions  refer to section on Wireless LAN Setup     Table 4 1 Wireless LAN Setup Field Description       FIELD DESCRIPTION EXMAPLE       WEP  Wired Equivalent Privacy  provides data encryption to prevent unauthorized  Disable  wireless stations from accessing data transmitted over the wireless network   WEP Select Disable to allow wireless clients to communicate with the access points  without any data encryption    Select 64 bit WEP or 128 bit WEP to enable data encryption     Default  Enter the key number  1 to 4  in this field  Only one key cab be enabled at any 1  Key one time     If you chose 64 bit WEP in the WEP Encryption field  then enter any 5  characters  ASCII string  or 10 hexadecimal digits   0 9    A F   preceded by Ox  for each key    If you chose 128 bit WEP in the WEP Encryption field  then enter 13 characters   ASCII string  or 26 hexadecimal digits   0 9    A F   preceded by Ox for each key           Key 1 to  Key 4    There are four data encryption keys to secure your data from eavesdropping by  unauthorized wireless users  The values for the keys must be set up exactly the  same on the access points as they are on the wireless client computers              When you have completed this menu  press  ENTER  at the prompt  Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel
94. b servers     Console port management    SNMP manageable    DHCP Server Client    Built in Diagnostic Tools    Syslog    Telnet Support  Password protected telnet access to internal configuration manager      TFTP FTP server  firmware upgrade and configuration backup support supported  Diagnostics Capabilities  The ZyAIR can perform self diagnostic tests  These tests check the integrity of the following circuitry     FLASH memory    DRAM    LAN port       Getting To Know Your ZyAIR 1 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch         Wireless port  Ease of Installation  Your ZyAIR is designed for quick  intuitive and easy installation   Housing    Your ZyAIR s all new compact and ventilated housing minimizes space requirements making it easy to  position anywhere in your busy office     1 3 Application for the ZyAIR    1 3 4 Broadband Internet Access via Cable or DSL modem     A cable modem or DSL modem can be connected to the ZyAIR WAN port and up to four computers can be  connected to the ZyAIR LAN ports for super fast broadband Internet access  Wireless clients also enjoy the  LAN connectivity to the Internet  The ZyAIR provides not only the high speed Internet access but also a  complete solution to efficiently manage data traffic on your network     RH E  j Cable DSL    modem    B Wireless LAN    connection       Figure 1 1 Internet Access Application       1 4 Getting To Know Your ZyAIR    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter
95. bers do not change for One to One and Many One to One NAT mapping  types        The following table summarizes these types     Table 6 2 NAT Mapping Types       TYPE IP MAPPING SMT ABBREVIATION  One to One ILA1   amp  IGA1 1 1  Many to One  SUA PAT  ILA1   amp  IGA1 M 1  ILA2    gt  IGA1             Many to Many Overload ILA1 lt  gt 3 IGA1 M M Ov  ILA2    IGA2  ILA3     IGA1  ILA4     IGA2       Many One to One ILA1    IGA1 M 1 1  ILA2     IGA2  ILA3     IGA3       Server Server 1 IP     IGA1 Server  Server 2 IP    IGA1  Server 3 IP     IGA1                      NAT 6 5    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       6 2 Using NAT    6 2 1 SUA  Single User Account  Versus NAT    SUA  Single User Account  is a ZyNOS implementation of a subset of NAT that supports two types of  mapping  Many to One and Server  See section 6 3 1 for a detailed description of the NAT set for SUA   The ZyAIR also supports Full Feature NAT to map multiple global IP addresses to multiple private LAN  IP addresses of clients or servers using mapping types as outlined in Table 6 2        1  Choose SUA Only if you have just one public WAN IP address for your ZyAIR     2  Choose Full Feature if you have multiple public WAN IP addresses for your ZyAIR        6 2 2 Applying NAT    You apply NAT via menus 4 or 11 3 as displayed next  The next figure shows you how to apply NAT for  Internet access in menu 4  Enter 4 from the main menu to go to Menu 4   Internet Access Setup     Menu 4   Intern
96. cation server     EAP  RFC2284     EAP  Extensible Authentication Protocol  supports multiple authentication methods to ensure the highest  security level available     RADIUS  RFC2138  2139     RADIUS  Remote Authentication Dial In User Service  server enables authentication  authorization and  accounting for your wireless network     PPPoE Support  RFC2516     PPPoE  Point to Point Protocol over Ethernet  emulates a dial up connection  It allows your ISP to use their  existing network configuration with newer broadband technologies such as ADSL  The PPPoE driver on the  ZyAIR is transparent to the computers on the LAN  which see only Ethernet and are not aware of PPPoE  thus saving you from having to manage PPPoE clients on individual computers     PPTP Support    Point to Point Tunneling Protocol  PPTP  is a network protocol that enables secure transfer of data from a  remote client to a private server  creating a Virtual Private Network  VPN  using a TCP IP based network   PPTP supports on demand  multi protocol and virtual private networking over public networks  such as the  Internet  Use PPTP to connect to a broadband modem to achieve access to high speed data networks via a  familiar  dial up networking  user interface     NAT for Single IP address Internet Access    The ZyAIR s SUA  Single User Account  feature allows multiple user Internet access for the cost of a  single IP account  NAT supports popular Internet applications such as MS traceroute  CuSeeMe  IRC   Re
97. ce to its destination  If Yes   default   the rule applies to any packet with an IP source route  The  majority of IP packets do not have source route    Destination  IP address   IP Add Type the destination IP address of the packet you want to    filter  This field is ignored if it is 0 0 0 0   IP Mask   Type the IP mask to apply to the Destination  IP Addr field  IP mask  Port   Type the destination port of the packets you want to filter  0 to 65535  The field range is O to 65535  A 0 field is ignored   Port   Comp   Select the comparison to apply to the destination port in the None  packet against the value given in Destination  Port     Choices are None  Less  Greater  Equal or Not Equal   Source  IP address  IP Add Type the source IP Address of the packet you want to filter   r   A 0 0 0 0 field is ignored   IP Mask   Type the IP mask to apply to the Source  IP Addr field  IP mask  Port   Type the source port of the packets you want to filter  The 0 to 65535  range of this field is 0 to 65535  A 0 field is ignored   Port   Comp   Select the comparison to apply to the source port in the None  packet against the value given in Source  Port    field   Choices are None  Less  Greater  Equal or Not Equal    TCP Estab This applies only when the IP Protocol field is 6  TCP  If No  Yes  the rule matches packets that want to establish TCP  default   connection s   SYN 1 and ACK 0   else it is ignored    More If Yes  a matching packet is passed to the next filter rule No  before a
98. channel has been connected to the current remote node   Ethernet Address Shows the MAC address of the port   IP Address Shows the IP address of the network device connected to the port   IP Mask Shows the subnet mask of the network device connected to the port   DHCP Shows the DHCP setting  None  Relay or Server  of the network device connected  to the port   System Up Time The time the ZyAIR is up and running from the last reboot           9 2    System Information and Diagnosis    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       9 2 System Information    To get to the System Information   Step1  Enter 24 to display Menu 24     System Maintenance   Step 2  Enter 2 to display Menu 24 2     System Information and Console Port Speed     Step 3  From this menu you have two choices as shown in the next figure     Menu 24 2   System Information and Console Port Speed    1  System Information  2  Console Port Speed    Please enter selection        Figure 9 3 Menu 24 2   System Information and Console Port Speed    9 2 1 System Information    Enter 1 in menu 24 2 to display the screen shown next     Menu 24 2 1   System Maintenance   Information    Name   Routing  IP  ZyNOS F W Version  V3 50 HB 0 b2   07 25 2002    LAN  Ethernet Address  00 A0 C5 00 15 37  IP Address  192 168 1 1  IP Mask  255 255 255 0  DHCP  Server    Press ESC or RETURN to Exit        Figure 9 4 Menu 24 2 1     System Maintenance   Information    Table 9 2 Fields in System Maintenance       FIELD DESCR
99. ciency when high traffic flows along in the wireless network   WEP    As the first line of protection against wireless network intrusion  the ZyAIR provides the standard WEP   Wired Equivalent Privacy  for data encryption  However  there may be a significant degradation of the  data throughput on the wireless link when WEP is enabled  See section on Wireless Security Setup for more  information about configuring WEP data encryption     3 11 2 Wireless LAN Setup    Use menu 3 5 to set up your ZyAIR as the wireless access point  To edit menu 3 5  enter 3 from the main  menu to display Menu 3   LAN Setup  When menu 3 appears  press 5 and then press  ENTER  to display  Menu 3 5     Wireless LAN Setup as shown next     Menu 3 5   Wireless LAN Setup    ESSID  Wireless  Hide ESSID  No  Channel ID  CHO1 2412MHz  RTS Threshold  2432  Frag  Threshold  2432  WEP  Disable   Default Key  N A    Keyl  N A  Key2  N A  Key3  N A  Key4  N A  Edit MAC Address Filter  No  Edit Roaming Configuration  Yes    Press ENTER to Confirm or ESC to Cancel     Figure 3 9 Menu 3 5   Wireless LAN Setup       The following table describes the fields in this screen        Internet Access 3 15    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 3 6 Wireless LAN Setup Field Description                FIELD DESCRIPTION EXMAPLE   The ESSID  Extended Service Set IDentity  identifies the AP the wireless client  Wireless   ESSID is to associate to  Wireless clients associating to the AP must have the
100. ction  In NAT mode  the ZyAIR is able to  pass the PPTP packets to the internal PPTP server  for example  NT server  behind the NAT  In the case  above as the PPTP connection is initialized by the remote PPTP Client  the user must configure the PPTP  clients  The ZyAIR initializes the PPTP connection  hence there is no need to configure the remote PPTP  clients        PPTP K    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       PPTP Protocol Overview    PPTP is very similar to L2TP  since L2TP is based on both PPTP and L2F  Cisco s Layer 2 Forwarding    Conceptually  there are three parties in PPTP  namely the PNS  PPTP Network Server   the PAC  PPTP  Access Concentrator  and the PPTP user  The PNS is the box that hosts both the PPP and the PPTP stacks  and forms one end of the PPTP tunnel  The PAC is the box that dials answers the phone calls and relays the  PPP frames to the PNS  The PPTP user is not necessarily a PPP client  can be a PPP server too   Both the  PNS and the PAC must have IP connectivity  however  the PAC must in addition have dial up capability   The phone call is between the user and the PAC and the PAC tunnels the PPP frames to the PNS  The PPTP  user is unaware of the tunnel between the PAC and the PNS     PPTP User    Phone call    PAC PPP frames    PNS    Diagram 7 PPTP Protocol Overview    Microsoft includes PPTP as a part of the Windows OS  In Microsoft s implementation  the PC  and hence the  ZyAIR  is the PNS that requests the PAC  the ANT  
101. d  The third method is infrared technology  using  very high frequencies  just below visible light in the electromagnetic spectrum to carry data     Ad hoc Wireless LAN Configuration    The simplest WLAN configuration is an independent  Ad hoc  WLAN that connects a set of computers  with wireless nodes or stations  STA   which is called a Basic Service Set  BSS   In the most basic form  a       Wireless LAN and IEEE 802 11 A    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       wireless LAN connects a set of computers with wireless adapters  Any time two or more wireless adapters  are within range of each other  they can set up an independent network  which is commonly referred to as    an Ad hoc network or Independent Basic Service Set  IBSS   See the following diagram of an example of  an Ad hoc wireless LAN        d      Y  Nofebook with Desktop with      Wireless NIC Wireless NIC        i i  i a      Ad hoc Wireless    i i    LAN      Ke  e Aa  e ee  Been 5 5  5    Ks    REESE EA       Desktop with Wireless NIC  Wireless NIC    Diagram 1 Peer to Peer Communication in an Ad hoc Network  Infrastructure Wireless LAN Configuration    For Infrastructure WLANs  multiple access points  APs  link the WLAN to the wired network and allow  users to efficiently share network resources  The access points not only provide communication with the  wired network but also mediate wireless network traffic in the immediate neighborhood  Multiple access  points can provide wireless co
102. d up connection can be very expensive for obvious reasons     Do not specify a nailed up connection unless your telephone company offers flat rate service or you need a  constant connection and the cost is of no concern        Remote Node Configuration 5 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 11 1   Remote Node Profile    Rem Node Name  ChangeMe Route  IP  Active  Yes    Encapsulation  PPTP Edit IP  No  Service Type  Standard Telco Option   Service Name  N A Allocated Budget  min   0  Outgoing  Period hr   0  My Login  Schedules   My Password           Nailed Up Connection  No  Authen  CHAP PAP    PPTP     Session Options     My IP Addr  Edit Filter Sets  No  My IP Mask  Idle Timeout sec   100  Server IP Addr    Connection ID Name     Press ENTER to Confirm or ESC to Cancel        Figure 5 1 Menu 11 1   Remote Node Profile    In Menu 11 1     Remote Node Profile  fill in the fields as described in the following table     Table 5 1 Remote Node Profile Menu Fields             FIELD DESCRIPTION EXAMPLE  Rem Node Name Type a unique  descriptive name of up to eight characters for this ChangeMe  node   Active Press  SPACE BAR  and then  ENTER  to select No to deactivate Yes  this node  Inactive nodes are displayed with a minus sign           in  default   SMT menu 11        Encapsulation    Press  SPACE BAR  to select from Ethernet  PPPoE or PPTP and Ethernet  press  ENTER         Service Type    Press  SPACE BAR  and then  ENTER  to select the service
103. destination address  the inside global address  back to the  inside local address before forwarding it to the original inside host  Note that the IP address  either local or  global  of an outside host is never changed     The global IP addresses for the inside hosts can be either static or dynamically assigned by the ISP  In  addition  you can designate servers  for example  a web server and a telnet server  on your local network  and make them accessible to the outside world  Although you can make designated servers on the LAN  accessible to the outside world  it is strongly recommended that you attach those servers to the DMZ port  instead  If you do not define any servers  for Many to One and Many to Many Overload mapping     see  Table 6 2   NAT offers the additional benefit of firewall protection  With no servers defined  your ZyAIR  filters out all incoming inquiries  thus preventing intruders from probing your network  For more  information on IP address translation  refer to RFC 1631  The IP Network Address Translator  NAT      6 1 3 How NAT Works    Each packet has two addresses     a source address and a destination address  For outgoing packets  the ILA   Inside Local Address  is the source address on the LAN  and the IGA  Inside Global Address  is the source  address on the WAN  For incoming packets  the ILA is the destination address on the LAN  and the IGA is  the destination address on the WAN  NAT maps private  local  IP addresses to globally unique ones  req
104. ds in Menu 24 1     System Maintenance     Status  Entering   resets  the counters  pressing  ESC  takes you back to the previous screen        System Information and Diagnosis 9 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          Port  WAN  LAN   WLAN    Port  WAN  LAN   WLAN       Menu 24 1   System Maintenance   Status 04 27 14  Sat  Jan  01  2000  Status TxPkts RxPkts Cols Tx B s Rx B s Up Time  100M Full 2138 0 0 0 0 4 27 12  100M Full 1205 1762 0 0 0 4 27 12  11M 656 354 0 0 0 4 27 12  Ethernet Address IP Address IP Mask DHCP  00 A0 C5 00 15 38 0 0 0 0 0 0 0 0 Client  00 A0 C5 00 15 37 192 168 1 1 255 255 255 0 Server  00 A0 C5 00 15 37  System up Time  4 27 18  Press Command   COMMANDS  1 Drop WAN 9 Reset Counters ESC Exit          Figure 9 2 Menu 24 1   System Maintenance   Status    The following table describes the fields present in Menu 24 1     System Maintenance   Status which are  read only and meant for diagnostic purposes     Table 9 1 System Maintenance   Status Menu Fields                                                       FIELD DESCRIPTION  Port This is the port type  Port types are  LAN  WAN and WLAN  Status Shows the status of the port   TxPkts The number of transmitted packets to this remote node   RxPkts The number of received packets from this remote node   Cols The number of collisions on this connection   Tx B s Shows the transmission rate in bytes per second   Rx B s Shows the receiving rate in bytes per second   Up Time Time this 
105. e   Default Key  N A    Keyl  N A   Key2  N A   Key3  N A   Key4  N A  Edit MAC Address Filter  No  Edit Roaming Configuration  No    Press ENTER to Confirm or ESC to Cancel        Figure 4 9 Menu 3 5     Wireless LAN Setup    Step 3  In the Edit MAC Address Filtering field  press  SPACE BAR  to select Yes and press   ENTER   Menu 3 5 1   WLAN MAC Address Filter displays as shown next     Menu 3 5 1   WLAN MAC Address Filter    Active  No  Filter Action  Allowed Association  MAC Address Filter  Address  Address  Address  Address  Address  Address  Address  Address  Address  Address  Address  Address 00           Enter here to CONFIRM ESC to CANCEL        Figure 4 10 Menu 3 5 1   WLAN MAC Address Filter    The following table describes the fields in this menu        Wireless LAN Security Setup 4 9    ZyAIR B 2000    Wireless LAN Gateway with 4 Port Switch       Table 4 5 MAC Address Filter Field Description                FIELD DESCRIPTION   Active To enable MAC address filtering  press  SPACE BAR  to select Yes and press  ENTER    Define the filter action for the list of MAC addresses in the MAC address filter table   To deny access to the ZyAIR  press  SPACE BAR  to select Deny Association and press   Filter Action   ENTER   MAC addresses not listed will be allowed to access the router   The default action  Allowed Association  permits association with the ZyAIR  MAC  addresses not listed will be denied access to the router    MAC Address Filter       Address 1  12    Enter 
106. e Configuration via Xmodem   Do you want to continue  y n         Figure 10 9 System Maintenance     Restore Configuration    Step 2  The following screen indicates that the Xmodem download has started     Starting XMODEM download  CRC mode       GECECCECE       Figure 10 10 System Maintenance     Starting Xmodem Download Screen    Step 3  Run the HyperTerminal program by clicking Transfer  then Send File as shown in the  following screen        Firmware and Configuration File Maintenance 10 9    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch           Send File Type the configuration file   s    location  or click Browse to search  Folder  C  Product for it     Filename   C  Product contig rom    Protocol   modem E    Figure 10 11 Restore Configuration Example             Choose the Xmodem protocol     Then click Send        Step 4   Aftera successful restoration you will see the following screen  Press any key to restart the  ZyAIR and retum to the SMT menu     Save to ROM  Hit any key to start system reboot     Figure 10 12 Successful Restoration Confirmation Screen    10 4 Uploading Firmware and Configuration Files    This section shows you how to upload firmware and configuration files  You can upload configuration files  by following the procedure in the previous Restore Configuration section or by following the instructions in  Menu 24 7 2     System Maintenance     Upload System Configuration File  for console port         WARNING   DO NOT INTERUPT THE FILE TRAN
107. e EU RR HEUS RR SEN 7 6   7 3 2 Generic buten d t eh eR a eric aad 7 11  EN Filter Types and NAT 3e Re e e OR ea IEEE aaa UE ged eee  7 12  75   Example Filter eege ete st atu tu en eu uela desees 7 13  7 6   Applying Filters and Factory Defaults                    essere 7 15       viii Table of Contents    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       7 6 1 Ethernet rath EE 7 16  7 6 2 Remote Node Filters  aereo nth heo eina ete ranch eo eee  7 16  Chapter 8 SNMP Configuration                  eere eee essen ee eese en eene tn natns tn setas tosta seta setas esses sensns ense suse tuse tn 8 1  SE haet NM S ee nre ere en esee eent UR OG 8 1  82       Suppotted MIBS 4 3  aeos iere edt editi em E 8 2  8 3  SNMP  Configuration  c ot eee te c eut ab Pu e RO E 8 2  As   SNMP Trape A ee feds ee Eege cr e OPER IGI DU QURE 8 3  Chapter 9 System Information and Diagnosis                      eee esee eee eee eene eene en setenta stent stesse seen netu seen seta 9 1  VR E ENEE 9 1  H System nformation        4 oeste oe O ere 9 3  9 2 1 System InfoMine 9 3  9 2 2 Console Port Speed    eee eee et ite tede e dat 9 4  9 3   Log and Trace   esee eee eR Re ete e ei ei te t e t   9 4  9 3 1 Viewing Error EE 9 5  9 3 2 UNIX EE 9 5  9 3 3 Call Triggering Packet ici tia 9 7  94    Di  gnOstiox  iuis eet dee eee RR RR ELE HR E e ERO det 9 7  Chapter 10 Firmware and Configuration File Maintenance                   eese esee ee ee eene tne tn natn aetas tns 10 1  IO l Filename Convent
108. e Select Rule field  Press  ENTER  to confirm     Step 5  Select Type as One to One  direct mapping for packets going both ways   and enter the local  Start IP as 192 168 1 10  the IP address of FTP Server 1   the global Start IP as 10 132 50 1   our first IGA   The following figure shows how to configure the first rule    Menu 15 1 1 1 Address Mapping Rule  Type  One to One    Local IP   Start  192 168 1 10  End   N A    Global IP   Start  10 132 50 1  End   N A    Press ENTER to Confirm or ESC to Cancel        Figure 6 18 Example 3  Menu 15 1 1 1       NAT 6 19    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Step 6  Repeat the previous step for rules 2 to 4 as outlined above   Step 7  When finished  menu 15 1 1 should look like as shown next     Menu 15 1 1   Address Mapping Rules    Set Name  Eample3    Idx Local Start IP Local End IP Global Start IP Global End IP    m    192 168 1 10  192 168 1 11  0 0 0 0 255  2554 255 255    O  0 0 AO Us GA    m    Action  None Select Rule  N A    Press ENTER to Confirm or ESC to Cancel        Figure 6 19 Example 3  Final Menu 15 1 1    Now configure the IGA3 to map to our web server and mail server on the LAN   Step 1  Enter 15 from the main menu     Step 2  Enter 2 in to display Menu 15 2   NAT Server Sets and configure it as shown     Menu 15 2   NAT Server Setup    Default Default  80 80  25 25  0 0    OoooooooNNoOo    20 5 05 0  027 RR Reserved    0  0  0  0  0  0  0  T    0  0  0  0  0  0  0  1    027    Press ENTER 
109. eck the LAN LEDs on the front panel  One of these LEDs should be on  If they  are all off  check the cables between your ZyAIR and the Ethernet device        14 4 Problem with the WAN Interface    Table 14 4 Troubleshooting the WAN Interface       PROBLEM    CORRECTIVE ACTION            cannot get a WAN IP  address from the ISP     The WAN IP address is provided when the ISP recognizes the user as an  authorized user after verifying the MAC address  Host Name or User ID     Find out the verification method used by your ISP     If the ISP checks the LAN MAC address  inform the ISP of the ZyAIR    s WAN MAC  address  To view the WAN MAC address in SMT menu 24 1     In case the ISP does not allow you to use a new MAC  you can clone the MAC from  the LAN as the WAN MAC and send it to the ISP using SMT menu 2  It is  recommended that you configure this menu even if your ISP presently does not  require MAC address authentication     If the ISP checks the Host Name  enter host name in the System Name field in the  SMT menu 1 when you connect the ZyAIR to a cable xDSL modem     If the ISP checks the User ID  make sure that you have entered the correct Service  Type  user name  in the My Login field  and password  in the My Password field   in SMT menu 4              14 2    Troubleshooting          ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       14 5 Problem with Internet Access    Table 14 5 Troubleshooting the Internet Access       PROBLEM    CORRECTIVE ACTION         ca
110. eck the settings in menu 15 1 1 as shown next     Menu 15 1 1   Address Mapping Rules  Set Name  Example4  Idx Local Start IP Local End IP Global Start IP Global End IP    192 168 1 10 192 168 1 12 LOS 2 5 04 1    1  2  3  4   55  6  7  8  9  0    LO  Action  Edit Select Rule     Press ENTER to Confirm or ESC to Cancel        Figure 6 22 Example 4  Menu 15 1 1       6 22 NAT    Advanced Management             Part III           ADVANCED MANAGEMENT    This part discusses Filtering  SNMP  System Information and Diagnosis  Firmware and  Configuration File Maintenance  System Maintenance and Information  IP Policy Routing  Call  Scheduling and Remote Management           ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 7  Filter Configuration    This chapter shows you how to create and apply filters     7 1 About Filtering    Your ZyAIR uses filters to decide whether or not to allow passage of a data packet and or to make a call   There are two types of filter applications  data filtering and call filtering  Filters are subdivided into device  and protocol filters  which are discussed later     Data filtering screens data to determine if the packet should be allowed to pass  Data filters are divided into  incoming and outgoing filters  depending on the direction of the packet relative to a port  Data filtering can   be applied on either the WAN side or the Ethernet side  Call filtering is used to determine if a packet should  be allowed to trigger a call     Out
111. eege  1 4   1 3 1 Broadband Internet Access via Cable or DSL modem                       sse 1 4  Chapter 2 Hardware Installation and Initial Setup                    4  eee ee eee eee eese entente setenta cono conconoconocono 2 1  2 1 Front Panel LEDs of the ZyAIR   ooooconnccnocnconnoonconnconnconoconconncon nono nono enne en rr en nennen enne 2 1   2 2 Side Panel and Connections of the ZyAIR                sesssssssesssseeeeeeeneneee eene 2 3   2 2 1 WAN Bet eegene e deest eere ter e mee ter SEP te ded 2 3   2 22 Four LAN 10 100M Portz    2 3   2 2 3 Console POort  us n oet ed i o Cx eter eed 2 4   2 2 4 Restore Factory Defaults Reset Button    2 4   2 2 5 POWet PORt esi oor eto e t p Rorate e EP Re i e e 2 4   2 2 6 EG   Erame Ground   t at eR aut oett es 2 4   2 2 7 Antennas    oe Seren teq uii eg ro e ete EHE CRT Di eoe e e eg 2 4   2 3 Hardware  Mounting Options esiste dni eerte Haee rere des 2 5   2 4 Additional Installation Requirements    oooonnnnicnnonnnonnconcnnncnnnonnnonnnonncon nono nonn ron nrnnnnnnn rn nennen enn 2 5   2 5  ZyAIR Configura adas 2 6   2 5 1 Connect to Your ZyAIR Using the Web Configurator                  sse 2 6   2 52 Connect to your ZyAIR Using Telnert  ener 2 6   2 5 3 Connect to Your ZyAIR Using the Console Pont  2 6   2 5 4 Initial Screen    ecc eg eon e Re n ie ce pea hb E Rete 2 7   2 5 5 Entering Password    eee Hee ede c e cte Reda 2 7   2 0 Resetting the ZyAIR iecit piceee ti tecti ec RR Heec Re E ERES 2 8   2 6 1 Methods of Restori
112. efore or Delete in the previous field the 1  Rule cursor jumps to this field to allow you to select the rule to apply the action in  question   6 10 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          You must press  ENTER  at the bottom of the screen to save the whole set  You  must do this again if you make any changes to the set     including deleting a rule   No changes to the set take place until this action is taken        An End IP address must be numerically greater than its corresponding IP Start address        If the Set Name field is left blank  the entire set will be deleted        6 3 2 Configuring Individual Rule    In Menu 15 1 1 Address Mapping Rules  select Edit in the Action field and then selecting a rule brings  up the following menu  Menu 15 1 1 1   Address Mapping Rule in which you can edit an individual rule  and configure the Type  Local and Global Start End IPs     Menu 15 1 1 1 Address Mapping Rule    Type  One to One    Local IP   Start   End   N A    Global IP     Start   End   N A    Press ENTER to Confirm or ESC to Cancel        Figure 6 9 Menu 15 1 1 1   Editing Configuring an Individual Rule in a Set    Table 6 6 Menu 15 1 1 1   Editing Configuring an Individual Rule in a Set       FIELD DESCRIPTION EXAMPLE    Type Press  SPACE BAR  and then  ENTER  to select from a total of five types  One to One  These are the mapping types discussed in Table 6 2  Server allows you to  specify multiple servers of different types behind NAT to
113. elds in DHCP Setup   otherwise  leave them blank     Some ISP   s choose to pass the DNS servers using the DNS server extensions of PPP IPCP  IP Control  Protocol  after the connection is up  If your ISP did not give you explicit DNS servers  chances are the DNS  servers are conveyed through IPCP negotiation  The ZyAIR supports the IPCP DNS server extensions  through the DNS proxy feature     If the Primary and Secondary DNS Server fields in DHCP Setup are not specified  for instance  left as  0 0 0 0  the ZyAIR tells the DHCP clients that it itself is the DNS server  When a computer sends a DNS  query to the ZyAIR  the ZyAIR forwards the query to the real DNS server learned through IPCP and relays  the response back to the computer     Please note that DNS proxy works only when the ISP uses the IPCP DNS server extensions  It does not  mean you can leave the DNS servers out of the DHCP setup under all circumstances  If your ISP gives you  explicit DNS servers  make sure that you enter their IP addresses in the DHCP Setup menu  This way  the  ZyAIR can pass the DNS servers to the computers and the computers can query the DNS server directly  without the ZyAIR   s intervention        3 4 Internet Access    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       3 4 IP Multicast    Traditionally  IP packets are transmitted in one of either two ways   Unicast  1 sender     1 recipient  or  Broadcast  1 sender     everybody on the network   Multicast is a third way to deliver I
114. elf  all 1   s is the broadcast address on the subnet      Chart 7 Subnet 1       NETWORK NUMBER    LAST OCTET BIT VALUE                   IP Address 192 168 1  0  IP Address  Binary  11000000 10101000 00000001  00000000  Subnet Mask  Binary  11111111 11111111 11111111  11000000       Subnet Address  192 168 1 0    Lowest Host ID  192 168 1 1       Broadcast Address  192 168 1 63       Highest Host ID  192 168 1 62       Chart 8 Subnet 2       NETWORK NUMBER    LAST OCTET BIT VALUE                   IP Address 192 168 1  64  IP Address  Binary  11000000 10101000 00000001  01000000  Subnet Mask  Binary  11111111 11111111 11111111  11000000       Subnet Address  192 168 1 64    Lowest Host ID  192 168 1 65       Broadcast Address  192 168 1 127       Highest Host ID  192 168 1 126       Chart 9 Subnet 3       NETWORK NUMBER    LAST OCTET BIT VALUE             IP Address 192 168 1  128  IP Address  Binary  11000000 10101000 00000001  10000000  Subnet Mask  Binary  11111111 11111111 11111111  11000000             Subnet Address  192 168 1 128    Lowest Host ID  192 168 1 129          Broadcast Address  192 168 1 191       Highest Host ID  192 168 1 190          IP Subnetting       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chart 10 Subnet 4                               NETWORK NUMBER LAST OCTET BIT VALUE  IP Address 192 168 1  192  IP Address  Binary  11000000 10101000 00000001  11000000  Subnet Mask  Binary  11111111 11111111 11111111  11000000  Subnet Address  
115. enter the IP address in the  IP Address field below to clone the MAC address of the computer  on the Ethernet        IP Address   Enter the IP address of the computer whose MAC address you are N A  cloning  This field is available if you select IP address attached on  LAN in the Assigned By field                 2 11 LAN Setup    This section describes how to configure the Ethernet using Menu 3     LAN Setup  From the main menu   enter 3 to display menu 3        2 16 Hardware Installation and Initial Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          Menu 3   LAN Setup  1  LAN Port Filter Setup  2  TCP IP and DHCP Setup  5  Wireless LAN Setup    Enter Menu Selection Number              Figure 2 11 Menu 3 LAN Setup    Detailed explanation about the LAN Setup screens is given in the next chapter     2 11 1 General Ethernet Port Filter Setup    This menu allows you to specify filter set s  that you wish to apply to the Ethernet traffic  You seldom  need to filter Ethernet traffic  however  the filter sets may be useful to block certain packets  reduce traffic  and prevent security breaches        Menu 3 1   LAN Port Filter Setup    Input Filter Sets   protocol filters   device filters    Output Filter Sets   protocol filters   device filters     Press ENTER to Confirm or ESC to Cancel              Figure 2 12 Menu 3 1     General Ethernet Setup    If you need to define filters  please read the Filter Set Configuration chapter first  then return to this menu  
116. enter the password  the SMT displays the main menu  as shown next        2 10    Hardware Installation and Initial Setup       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch             Copyright    Getting Started  1  General Setup  2  WAN Setup  3  LAN Setup  4     Internet Access Setup 24  System Maintenance    Advanced Applications    11  Remote Node Setup  12  Static Routing Setup  14  Dial in User Setup    15  NAT Setup    Enter Menu Selection Number      c  1994   2002 ZyXEL Communications Corp     ZyAIR B 2000 Main Menu    Advanced Management  21  Filter Set Configuration  22  SNMP Configuration  23  System Password    26  Schedule Setup    99  Exit          Figure 2 6 SMT Main Menu    The SMT menu continually improves and changes with new firmware upgrades  Check the release notes at  www zyxel com to find the most recent upgrades and information     2 7 1 System Management Terminal Interface Summary    Table 2 4 Main Menu Summary                                                 MENU TITLE DESCRIPTION  1 General Setup Use this menu to set up your general information   2 WAN Use this menu to set up your WAN connection   3 LAN Setup Use this menu to set up your LAN and WLAN connection   4 Internet Access Setup  A quick and easy way to set up an Internet connection   11 Remote Node Setup Use this menu to set up the Remote Node for LAN to LAN connection   including Internet connection   12 Static Routing Setup Use this menu to set up static routes   14 Dial in User 
117. es a Get  operation  followed by a series of GetNext operations     e Set  Allows the manager to set values for object variables within an agent     e Trap   Used by the agent to inform the manager of some events     8 2 Supported MIBs    The ZyAIR supports RFC 1215 and MIB II as defined in RFC 1213  The focus of the MIBs is to let  administrators collect statistic data and monitor status and performance     8 3 SNMP Configuration    To configure SNMP  select option 22 from the main menu to open Menu 22     SNMP Configuration as  shown next  The    community    for Get  Set and Trap fields is SNMP terminology for password        8 2 SNMP Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          Menu 22   SNMP Configuration    SNMP   Get Community  public  Set Community  public  Trusted Host  0 0 0 0  Trap   Community  public  Destination  0 0 0 0    Press ENTER to Confirm or ESC to Cancel              Figure 8 2 Menu 22     SNMP Configuration  The following table describes the SNMP configuration parameters     Table 8 1 SNMP Configuration Menu Fields          FIELD DESCRIPTION EXAMPLE  SNMP   Get Community Type the Get Community  which is the password for the incoming public    Get  and GetNext requests from the management station        Set Community Type the Set community  which is the password for incoming Set public  requests from the management station        Trusted Host If you enter a trusted host  your ZyAIR will only respond to SNMP 0 0 0 0  mess
118. estos materials and classrooms     2  Doctors and nurses can access a complete patient   s profile on a handheld or notebook computer upon  entering a patient   s room     3  It allows flexible workgroups a lower total cost of ownership for networks that are frequently  reconfigured     4  Conference room users can access the network as they move from meeting to meeting  accessing up to   date information that facilitates the ability to communicate decisions    on the fly        5  It provides campus wide networking coverage  allowing enterprises the roaming capability to set up  easy to use wireless networks that transparently covers an entire campus     IEEE 802 11    The 1997 completion of the IEEE 802 11 standard for wireless LANs  WLANs  was a first important step  in the evolutionary development of wireless networking technologies  The standard was developed to  maximize interoperability between differing brands of wireless LANs and to introduce a variety of  performance improvements and benefits  On September 16  1999  the 802 11b provided much higher data  rates of up to 11Mbps  while maintaining the 802 11 protocol     The IEEE 802 11 specifies three different transmission methods for the PHY  the layer responsible for  transferring data between nodes  Two of the methods use spread spectrum RF signals  Direct Sequence  Spread Spectrum  DSSS  and Frequency Hopping Spread Spectrum  FHSS   in the 2 4 to 2 4825 GHz  unlicensed ISM  Industrial  Scientific and Medical  ban
119. et Access Setup    ISP s Name  ChangeMe  Encapsulation  Ethernet  Service Type  Standard  My Login  N A  My Password  N A  Login Server  N A    IP Address Assignment  Dynamic  IP Address  N A  IP Subnet Mask  N A  Gateway IP Address  N A  Network Address Translation  Full Feature    Press ENTER to Confirm or ESC to Cancel        Figure 6 3 Menu 4   Applying NAT for Internet Access    The following figure shows how you apply NAT to the remote node in menu 11 1   Step 1  Enter 11 from the main menu     Step 2  Move the cursor to the Edit IP field  press  SPACE BAR  to select Yes and press  ENTER  to  bring up Menu 11 3   Remote Node Network Layer Options        6 6 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 11 3   Remote Node Network Layer Options    IP Address Assignment  Dynamic  IP Address  N A   IP Subnet Mask  N A   Gateway IP Addr  N A    Network Address Translation  Full Feature  Metric  1  Private  N A  RIP Direction  None  Version  N A  Multicast  None    Enter here to CONFIRM or ESC to CANCEL        Figure 6 4 Menu 11 3   Applying NAT to the Remote Node  The following table describes the options for Network Address Translation     Table 6 3 Applying NAT in Menus 4  amp  11 3             FIELD DESCRIPTION EXAMPLE  Network Press  SPACE BAR  and then  ENTER  to select Full Feature if you Full Feature  Address have multiple public WAN IP addresses for your ZyAIR    Mapping    Select None to disable NAT        When you select SUA Only  the SMT u
120. ets   protocol filters   device filters    Output Filter Sets     protocol filters  1  device filters   Call Filter Sets   protocol filters   device filters        Enter here to CONFIRM or ESC to CANCEL        Figure 5 4 Menu 11 5   Remote Node Filter  PPTP or PPPoE Encapsulation     5 2 1 IP Static Route Setup    Static routes tell the ZyAIR routing information that it cannot learn automatically through other means  This  can arise in cases where RIP is disabled on the LAN or a remote network is beyond the one that is directly  connected to a remote node     Each remote node specifies only the network to which the gateway is directly connected and the ZyAIR has  no knowledge of the networks beyond  For instance  the ZyAIR knows about network N2 in the following  figure through remote node Router 1  However  the ZyAIR is unable to route a packet to network N3  because it does not know that there is a route through remote node Router 1  via Router 2   The static routes  allow you to tell the ZyAIR about the networks beyond the remote nodes        Remote Node Configuration 5 7    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       N2 N3       Figure 5 5 Sample Static Routing Topology    Configuration    Step 1   Toconfigure an IP static route  use Menu 12   Static Route Setup as shwon next        Menu 12   IP Static Route Setup    co AU bs QN IS    Enter selection number              Figure 5 6 Menu 12 1   IP Static Route Setup    Step 2  Now  type the route number of a 
121. ets 1  2  3 and 4 in are applied in the remote node then set 1 will take precedence over set 2  3  and 4 as the ZyAIR  by default  applies the lowest numbered set first  Set 2 will take precedence over set 3  and 4  and so on     You can design up to 12 schedule sets but you can only apply up to four schedule sets for a remote node        Call Scheduling 12 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          To delete a schedule set  enter the set number and press  SPACE BAR  and then     ENTER   or delete  in the Edit Name field        To setup a schedule set  select the schedule set you want to setup from menu 26  1 12  and press  ENTER     to see Menu 26 1   Schedule Set Setup as shown next           Menu 26 1 Schedule Set Setup    Active  Yes  Start Date  yyyy mm dd   2000   01   01  How Often  Once  Once    Date  yyyy mm dd   2000   01   01  Weekdays    Sunday  N A   Monday  N A   Tuesday  N A   Wednesday  N A   Thursday  N A   Friday  N A   Saturday  N A  Start Time hh mm   00   00  Duration hh mm   00   00  Action  Forced On    Press ENTER to Confirm or ESC to Cancel           If a connection has been already established  your ZyAIR will not drop it  Once the connection is dropped    Figure 12 2 Schedule Set Setup    manually or it times out  then that remote node can t be triggered up until the end of the Duration     Table 12 1 Schedule Set Setup Fields       FIELD    DESCRIPTION    EXAMPLE       Active    Press  SPACE BAR  to No and press  ENTER  to d
122. ets Table eee deer ide po od e e epe ae eer es dead iene 7 15  Table 8 1 SNMP Configuration Menu Felds essere enne nnns 8 3  Table 8 2 SNMP Traps 5 5  rore Ee ette tdt diete hu tee utes lost loud ius 8 4  Table 8 3 Ports and Permanent Virtual Circuits   ooocoonnoninononnnonnnoncnoncnnnonononn nono nonnono non nn corn rn nr nr enne 8 4  Table 9 1 System Maintenance     Status Menu Fields 9 2  Table 9 2 Fields in System Maintenance                  sse ennt enne nennen enne nennen 9 3       Lists of Tables and Diagrams XV    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 9 3 System Maintenance Menu     Syslog Parameters            ccccccceesceescesecesecesecseecaeeeseeseecaeesaeeeaeeneeesneees 9 6  Table 9 4 System Maintenance Menu     Diagnostic              ssssssssssseseeseeeeenenenenerenr enne 9 7  Table 10 1 Filename Conventions    ooooonoccnocononcnonconnconocononnono nono nronnron nr nono nn ro nn rn nr nan ron n ran r ron n nan n nn nr nn nr an nnn rra nrnnss 10 2  Table 10 2 General Commands for GUI based FTP Clients                 sess 10 4  Table 10 3 General Commands for GUI based TFTP Clients    10 6  Table 11 1 Time and Date Setting Helde    11 2  Table 12 1 Schedule Set Setup Helde  12 2  Table 13 1 Menu 24 11  Remote Management Control  13 2  Table 14 1 Troubleshooting the Start Up of Your ZyAIR                 essere 14 1  Table 14 2 Troubleshooting the Password sess 14 1  Table 14 3 Troubleshooting the Ethernet Interface  14 2  Table 14 4 Tr
123. f the ISP does not assign you one   Encapsulation Ethernet  PPPoE or PPTP  My Login Enter the login name assigned by your ISP  for   PPP PPPoE only     My Password Enter the password associated with your ISP assigned    My Login  for PPP PPPoE only                  Idle Timeout Enter the time lapse  in seconds  before you    PPPoE or PPP  automatically disconnect from the PPPoE or PPP  server    IP Address Enter if your IP address is not dynamically assigned    Network Address   Full Feature  SUA Only or None    Translation   DNS Server Primary DNS server   Address Secondary DNS server   Assignment Enter when using RFC 1483 Encapsulation or a static                IP address           Internet Access 3 11    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       3 10 Internet Access Setup    From the main menu  type 4 to display Menu 4     Internet Access Setup  as shown next     Menu 4   Internet Access Setup    ISP s Name  ChangeMe  Encapsulation  Ethernet  Service Type  Standard  My Login  N A  My Password  N A  Login Server  N A    IP Address Assignment  Dynamic  IP Address  N A  IP Subnet Mask  N A  Gateway IP Address  N A  Network Address Translation  SUA Only    Press ENTER to Confirm or ESC to Cancel        Figure 3 7 Internet Access Setup  The following table contains instructions on how to configure your ZyAIR for Internet access     Table 3 5 Internet Access Setup Menu Fields       FIELD DESCRIPTION EXAMPLE       ISP   s Name Enter the name of your Internet Ser
124. fer is  complete        Firmware and Configuration File Maintenance 10 7    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          WARNING   DO NOT INTERUPT THE FILE TRANSFER PROCESS AS THIS MAY  PERMANENTLY DAMAGE YOUR ZYAIR  WHEN THE RESTORE CONFIGURATION  PROCESS IS COMPLETE  THE ZYAIR WILL AUTOMATICALLY RESTART        10 3 1 Restore Using FTP    For details about backup using  T FTP please refer to earlier sections on FTP and TFTP file upload in this  chapter        Menu 24 6    System Maintenance   Restore Configuration    To transfer the firmware and configuration file to your workstation  follow the procedure  below     1  Launch the FTP client on your workstation    2  Type  open  and the IP address of your router  Then type  root  and  SMT password as requested    3  Type  put backupfilename rom 0  where backupfilename is the name of  your backup configuration file on your workstation and rom 0 is the  remote file name on the router  This restores the configuration to  your router    4  The system reboots automatically after a successful file transfer    For details on FTP commands  please consult the documentation of your FTP    client program  For details on backup using TFTP  note that you must remain  in this menu to back up using TFTP   please see your router manual     Press ENTER to Exit              Figure 10 7 Telnet into Menu 24 6    Step 1  Launch the FTP client on your computer    Step 2  Enter    open     followed by a space and the IP address of 
125. field     Forced Down means that the connection is blocked whether or not  there is a demand call on the line     Enable Dial On Demand means that this schedule permits a demand  call on the line  Disable Dial On Demand means that this schedule  prevents a demand call on the line              When you have completed this menu  press  ENTER  at the prompt  Press ENTER to Confirm     to  save your configuration  or press  ESC  at any time to cancel              Once your schedule sets are configured  you must then apply them to the desired remote node s   Enter 11  from the Main Menu and then enter the target remote node index  Using  SPACE BAR   select PPPoE or  PPTP in the Encapsulation field and then press  ENTER  to make the schedule sets field available as  shown next        Call Scheduling 12 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 11 1   Remote Node    Rem Node Name  ChangeMe  Active  Yes    Encapsulation  PPTP  Service Type  Standard  Service Name  N A  Outgoing    My Login    My Password             Authen  CHAP PAP  PPTPS   My IP Addr    My IP Mask    Server IP Addr    Connection ID Name     Profile    Route  IP    Edit IP  No   Telco Option   Allocated Budget  min   0  Period hr   0  Schedules  1 2 3 4  Nailed Up Connection  No    Session Options   Edit Filter Sets  No  Idle Timeout  sec   100    Press ENTER to Confirm or ESC to Cancel        Apply your schedule sets    here        Figure 12 3 Applying Schedule Set s  to a Remote Node  PP
126. figure IP Alias on your ZyAIR     3 6 1 IP Alias Setup    Use menu 3 2 to configure the first network  Move the cursor to Edit IP Alias field and press   SPACE BAR  to choose Yes and press  ENTER  to configure the second and third network        Menu 3 2   TCP IP and DHCP Setup    DHCP Setup   DHCP  Server  Client IP Pool Starting Addres  192 168 1 33  Size of Client IP Pool   Primary DNS Server  0 0  Secondary DNS Server  0  Remote DHCP Server  N A  TCP IP Setup   IP Address  192 168 1 1  IP Subnet Mask  255 255 255 0  RIP Direction  None  Version  N A  Multicast  None  IP Policies   Edit IP Alias  Yes    oon     0   0 0    Press ENTER to confirm or ESC to Cancel              Figure 3 5 Menu 3 2 TCP IP and DHCP Setup    Press  ENTER  to display Menu 3 2 1 IP Alias Setup  as shown next        3 8 Internet Access    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch             Menu 3 2 1   IP Alias Setup    IP Alias 1  No   P Address  N A   P Subnet Mask  N A   RIP Direction  N A   Version  N A   ncoming protocol filters  N A  Outgoing protocol filters  N A  IP Alias 2  No   P Address  N A   P Subnet Mask  N A   RIP Direction  N A   Version  N A   ncoming protocol filters  N A  Outgoing protocol filters  N A       Enter here to CONFIRM or ESC to CANCEL           Figure 3 6 Menu 3 2 1 IP Alias Setup    Follow the instructions in the table below to configure IP Alias parameters     Table 3 3 IP Alias Setup Menu Fields             FIELD DESCRIPTION EXAMPLE  IP Alias Choose Yes
127. filters for traffic leaving the ZyAIR  You may apply filter rules for protocol or  device filters  See earlier in this section for information on types of filters        Call Filter Sets  Apply filters to decide if a packet should be allowed to trigger a call                 Filter Configuration 7 15    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       7 6 1 Ethernet Traffic    You seldom need to filter Ethernet traffic  however  the filter sets may be useful to block certain packets   reduce traffic and prevent security breaches  Go to menu 3 1  shown next  and type the number s  of the  filter set s  that you want to apply as appropriate  You can choose up to four filter sets  from twelve  by  typing their numbers separated by commas  for example  3  4  6  11  The factory default filter set   NetBIOS LAN  is inserted in the protocol filters field under Input Filter Sets in menu 3 1 in order to  prevent local NetBIOS messages from triggering calls to the DNS server           Menu 3 1   LAN Port Filter Setup          Apply filter 2 to   Input Filter Sets  E   block NETBIOS  protocol filters  2 traffic from the  device filters  LAN  Output Filter Sets   protocol filters     device filters        Press ENTER to Confirm or ESC to Cancel              Figure 7 14 Filtering Ethernet Traffic    7 6 2 Remote Node Filters    Go to menu 11 5  shown next  and type the number s  of the filter set s  as appropriate  You can cascade up  to four filter sets by typing their numbers 
128. find a protocol that works   The main differences between them are the format     Daytime  RFC 867  format is day month year time zone of the server     Time  RFC 868  format displays a 4 byte integer giving the total number of  seconds since 1970 1 1 at 0 0 0     NTP  RFC 1305  is similar to Time  RFC 868      None  The default  enter the time manually                    11 2 System Maintenance and Information    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 11 1 Time and Date Setting Fields                         FIELD DESCRIPTION  Time Server Enter the IP address or domain name of your time server  Check with your  Address ISP network administrator if you are unsure of this information   Current Time This field displays an updated time only when you reenter this menu   New Time Enter the new time in hour  minute and second format   Current Date This field displays an updated date only when you re enter this menu   New Date Enter the new date in year  month and day format   Time Zone Press  SPACE BAR  and then  ENTER  to set the time difference between your  time zone and Greenwich Mean Time  GMT    Daylight Saving If you use daylight savings time  then choose Yes   Start Date If using daylight savings time  enter the month and day that it starts on   End Date If using daylight savings time  enter the month and day that it ends on       Once you have filled in this menu  press  ENTER  at the message  Press ENTER to Confirm or ESC to  Cancel  to save your
129. firm or ESC to Cancel              Figure 9 5 Menu 24 2 2     System Maintenance     Change Console Port Speed  After you changed the console port speed on your ZyAIR  you must also make the same change to the    console port speed parameter of your communication software     9 3 Log and Trace    There are two logging facilities in the ZyAIR  The first is the error logs and trace records that are stored  locally  The second is the UNIX syslog facility for message logging        9 4 System Information and Diagnosis    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       9 3 1 Viewing Error Log   The first place you should look for clues when something goes wrong is the error log  Follow the  procedures to view the local error trace log    Step 1  Type 24 in the main menu to display Menu 24     System Maintenance    Step 2  From menu 24  type 3 to display Menu 24 3     System Maintenance     Log and Trace        Menu 24 3   System Maintenance   Log and Trace    1  View Error Log  2  UNIX Syslog and Accounting    4  Call Triggering Packet             Figure 9 6 Menu 24 3     System Maintenance     Log and Trace    Step 3  Enter 1 from Menu 24 3   System Maintenance     Log and Trace and press  ENTER  twice to  display the error log in the system     After the ZyAIR finishes displaying the error log  you will have the option to clear it  Samples of typical  error and information messages are presented in the next figure                       45 Sat Jan 00 00 00 2000 PP0e FO
130. g Process  7 1  Figure 7 2  Filter Rule Process    E eee e REN enn Bk een tede 7 2  Figure 7 3 Menu 21     Filter Set Configuration NENNEN 7 3  Figure 7 4 NetBIOS WAN Filter Rules Summars essere ener nnne nnns 7 4  Figure 7 5 NetBIOS LAN Filter Rules Summary  7 4  Figure 7 6 TEL _FTP_WEB WAN Filter Rules Summarg  eese nennen nennen 7 4  Figure 7 7 Menu 21 1 1     TCP IP Filter Rule  7 7  Fig  re 7 8  Executinp an IP Filter  as  uge onn eerte e iine e teste hee 7 10  Figure 7 9 Menu 21 4 1     Generic Filter Rule  7 1  Figure 7 10 Protocol and Device Filter Beie  7 13  Figure 7 11    Sample  Tel  et Filtee      ie Ib kee 7 13  Figure 7 12 Sample Filter   Menu 21 3 1    eene nennen nennen ener nnns 7 14  Figure 7 13 Sample Filter Rules Summary   Menu 21 1                esee eene nre 7 15  Figure 7 14 Filtering Ethernet Traffic    7 16  Figure 7 15 Filtering Remote Node Traffic    7 16  Figure 8 1 SNMP Management Model 8 1       xii List of Figures    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          Figure 8 2 Menu 22     SNMP Confira egeket a aa aa a aaaeei 8 3  Figure 9 1 Menu 24   System Maintenance apee emr a a aa a oneni 9 1  Figure 9 2 Menu 24 1     System Maintenance     Stats    9 2  Figure 9 3 Menu 24 2     System Information and Console Port Speed                        sse 9 3  Figure 9 4 Menu 24 2 1     System Maintenance     Information eese eene 9 3  Figure 9 5 Menu 24 2 2     System Maintenance     Change Console Port Speed    9 4  Figure 9 6 Menu 24
131. going packets must undergo data filtering before they encounter call filtering  Call filters are divided  into two groups  the built in call filters and user defined call filters  Your ZyAIR has built in call filters that  prevent administrative  for example  RIP packets from triggering calls  These filters are always enabled and  not accessible to you  Your ZyAIR applies the built in filters first and then the user defined call filters  if  applicable  as shown next                                                     Send packet             Call Filtering  No s  l etch ive Data    ne h   Built in User defined    Outgoing b Data matc b default Call Filters Initiate call  Packet Filtering   Call Filters  if applicable  if line not up                                                                                           and reset  Match Match Match Selm   Drop Drop packet Drop packet   packet if line not up if line not up   Or Or  Send packet Send packet  but do not reset but do not reset  Idle Timer Idle Timer                   Figure 7 1 Outgoing Packet Filtering Process       Filter Configuration 7 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Two sets of factory filter rules have been configured in menu 21 to prevent NetBIOS traffic from triggering  calls  A summary of their filter rules is shown in the figures that follow     The following figure illustrates the logic flow when executing a filter rule                                                    
132. hanged        Menu 15 1 255 is read only           6 8 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Set Name     2y  ES  4   Dis  6   Es  8   CR  0     m    Start IP    Menu 15 1 1   Address Mapping Rules    SUA    Local End IP Global Start IP Global End IP    Server       Figure 6 7 Menu 15 1 255   SUA Address Mapping Rules    The following table explains the fields in this screen     Table 6 4 SUA Address Mapping Rules                         FIELD DESCRIPTION EXAMPLE   Set Name This is the name of the set you selected in menu 15 1 or enter the SUA  name of a new Set you want to create    Idx This is the index or rule number  1   Local Start IP Local Start IP is the starting local IP address  ILA   see Figure 6 1   0 0 0 0  Local End IP is the ending local IP address  ILA   If the rule is for all   Local End IP   local IPs  then the Start IP is 0 0 0 0 and the End IP is EE  255 255 255 255    Global Start IP   This is the starting global IP address  IGA   If you have a dynamic 0 0 0 0  IP  enter 0 0 0 0 as the Global Start IP    Global End IP This is the ending global IP address  IGA     Type These are the mapping types discussed above  see Table 6 2   Server       Server allows us to specify multiple servers of different types behind  NAT to this machine  See later for some examples              Once you have finished configuring a rule in this menu  press  ENTER  at the message  Press ENTER to  Confirm     to save your configuration  or press  ESC  to
133. he packet that you want to 0  compare  The range for this field is from 0 to 255   default   Length Type the byte count of the data portion in the packet that you want to 0  compare  The range for this field is O to 8   default   Mask Type the mask  in Hexadecimal  to apply to the data portion before  comparison   Value Type the value  in Hexadecimal  to compare with the data portion   More If Yes  a matching packet is passed to the next filter rule before an action No  is taken or else the packet is disposed of according to the action fields   default   If More is Yes  then Action Matched and Action Not Matched will be  N A   Log Select the logging option from the following   None     No packets will be logged  None  Action Matched   Only matching packets and rules will be logged   Action Not Matched     Only packets that do not match the rule  parameters will be logged   Both     All packets will be logged   Action Select the action for a matching packet  Choices are Check Next Rule  Check Next  Matched Forward or Drop  Rule  Action Not   Select the action for a packet not matching the rule  Choices are Check Check Next  Matched Next Rule  Forward or Drop  Rule  When you have completed this menu  press  ENTER  at the prompt  Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen        7 4 Filter Types and NAT    There are two classes of filter rules  Generic Filter Device rules and Protocol Filter  T
134. he wireless clients     RADIUS Server Authentication Sequence    The following figure depicts a typical wireless network with a remote RADIUS server for user  authentication using EAPOL  EAP Over LAN         Wireless LAN with IEEE 802 1X E    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       M ZyAIR d           EE ke Ee  H Radius Server    Unauthorized State       RADIUS Server    RADIUS  Access Request  RADIUS   Access Challenge  IR                                                           RADIUS   Access Request    RADIUS   Access Accept   Client computer     access  authorized     Client computer  access not  authorized     Diagram 3 Sequences for EAP MD5 Challenge Authentication       F Wireless LAN with IEEE 802 1X    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Appendix C  Antenna Selection and Positioning  Recommendation    The access points in a wireless LAN send a radio frequency  RF  signal to the antennas  which propagate  and capture the RF signal  Choosing the right antennas and positioning them properly increases the range  and coverage area of a wireless LAN     Antenna Characteristics  e Frequency    An antenna in the frequency of 2 4GHz  IEEE 802 11b  or SGHz IEEE 802 1 1a  is needed to  communicate efficiently in a wireless LAN     e Radiation Pattern  A radiation pattern is a diagram that allows you to visualize the shape of the antenna   s coverage area     e Antenna Gain  Antenna gain  measured in dB  decibel   is the increase in co
135. her a  crossover or straight through Ethernet cable     ZyAIR B 2000 has an embedded IEEE802 11b compliant 11Mpbs Ethernet wireless access point  It is suited  for wireless connection to the wired network in the home and office environment allowing users to enjoy the  convenience of wireless LAN access within the coverage area     For security  your ZyAIR supports the latest IEEE802 1x standard  WEP  Wire Equivalent Privacy   and  MAC address filtering     Your ZyAIR is easy to install and configure  All functions are configurable via the SMT  System  Management Terminal   embedded web configurator or the console port  Advanced users may configure the  ZyAIR using CLI  Command Line Interface  commands        Don   t forget to register your ZyAIR  fast  easy online registration at  www zyxel com  for free future product updates and information        About This User s Guide    This user s guide covers all aspects of ZyAIR operations and shows you how to get the best out of the  multiple advanced features of your ZyAIR using the SMT  It is designed to guide you through the correct  configuration of your ZyAIR for various applications     Related Documentation     Supporting Disk    More detailed information and examples can be found in our included disk  as well as on the  zyxel com web site   This disk contains information on configuring your ZyAIR for Internet access   general and advanced FAQs  Application Notes  Troubleshooting  a reference for CI Commands and  bundled soft
136. her station is  already using the wireless medium  When these two stations send data at the same time  they might collide  when arriving simultaneously at the AP  The collision will most certainly result in a loss of messages for  both stations               RTS Range  Tane                         CTS Range    p            AR    CR  p d    Stations do yot hear each other       But they fear the AP        Figure 3 8 RTS Threshold    Thus  RTS Threshold mechanism provides a solution to prevent data collisions  When you enable RTS  Threshold on a possible hidden station  this station and its AP will use a Request to Send Clear to Send  protocol  RTS CTS   The station will send an RTS message to the AP  informing that it is going to transmit  the data  Upon receipt  the Access Point will respond with a CTS message to all stations within its range to       3 14 Internet Access    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       notify all other stations to defer transmission  It will also confirm with the requesting station that the AP has  reserved it for the time frame of the requested transmission     The RTS function will be activated if the packet size exceeds the value you set  It is highly recommended  that you set the value ranging from 0 to 2432        Enabling the RTS Threshold causes redundant network overhead that could  negatively affect the throughput performance instead of providing a remedy        Fragmentation Threshold    Fragmentation improves the effi
137. ia list    For dynamically assigned settings  select Using DHCP Server from the Configure  list    For statically assigned settings  do the following     From the Configure box  select Manually     Type your IP address in the IP Address box     Type your subnet mask in the Subnet mask box     Type the IP address of your Prestige in the Router address box    Close the TCP IP Control Panel    Click Save if prompted  to save changes to your configuration     Turn on your Prestige and restart your computer  1f prompted      Verifying TCP IP Properties  Check your TCP IP properties in the TCP IP Control Panel        TCP IP S    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Appendix G  IP Subnetting    IP Addressing    Routers    route    based on the network number  The router that delivers the data packet to the correct  destination host uses the host ID     IP Classes    An IP address is made up of four octets  eight bits   written in dotted decimal notation  for example   192 168 1 1  IP addresses are categorized into different classes  The class of an address depends on the  value of its first octet      gt  Class    A    addresses have a 0 in the left most bit  In a class    A    address the first octet is the network  number and the remaining three octets make up the host ID      gt  Class    B    addresses have a 1 in the left most bit and a 0 in the next left most bit  In a class    B    address  the first two octets make up the network number and the two rema
138. icrosoft from the list of manufacturers   Select Client for Microsoft Networks from the list of network clients and then click OK     Restart your computer so the changes you made take effect     Configuring TCP IP    l     5   6   7     In the Network window Configuration tab  select your network adapter s TCP IP entry and click  Properties     Click the IP Address tab     f your IP address is dynamic  select Obtain an IP address automatically       f you have a static IP address  select Specify an IP address and type your information into the IP  Address and Subnet Mask fields     Click the DNS Configuration tab    If you do not know your DNS information  select Disable DNS      If you know your DNS information  select Enable DNS and type the information in the fields below   you may not need to fill them all in      Click the Gateway tab     If you were not given a gateway IP address  remove previously installed gateways    If you have a gateway IP address  type it in the New gateway field and click Add   Click OK to save and close the TCP IP Properties window    Click OK to close the Network window  Insert the Windows CD if prompted     Turn on your Prestige and restart your computer when prompted     Verifying TCP IP Properties       1  Click Start and then Run    2  Inthe Run window  type  winipcfg  and then click OK to open the IP Configuration window    3  Select your network adapter  You should see your computer s IP address  subnet mask and default  gateway    P TCP
139. ile    To upload the system configuration file  follow the procedure below     Launch the FTP client on your workstation    Type  open  and the IP address of your system  Then type  root  and   SMT password as requested    Type  put configurationfilename rom 0  where  configurationfilename    is the name of your system configuration file on your workstation  which  will be transferred to the  rom 0  file on the system    The system reboots automatically after the upload system configuration  file process is complete     For details on FTP commands  please consult the documentation of your FTP  client program  For details on uploading system firmware using TFTP  note  that you must remain on this menu to upload system firmware using TFTP    please see your manual     Press ENTER to Exit        Figure 10 14 Telnet Into Menu 24 7 2     System Maintenance    To upload the firmware and the configuration file  follow these examples       Firmware and Configuration File Maintenance 10 11    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       10 4 3 FTP File Upload Command from the DOS Prompt Example    Step 1  Launch the FTP client on your computer    Step 2  Enter    open     followed by a space and the IP address of your ZyAIR   Step 3  Press  ENTER  when prompted for a username    Step 4  Enter your password as requested  the default is    1234        Step 5  Enter    bin    to set transfer mode to binary     Step 6  Use  put  to transfer files from the computer to the ZyA
140. ining octets make up the host ID      gt  Class    C    addresses begin  starting from the left  with 1 1 0  In a class    C    address the first three octets  make up the network number and the last octet is the host ID      gt  Class    D    addresses begin with 1 1 1 0  Class    D    addresses are used for multicasting   There is also a  class  E  address  It is reserved for future use      Chart 1 Classes of IP Addresses                   IP ADDRESS  OCTET 1 OCTET2 OCTET 3 OCTET 4  Class A 0 Network number Host ID Host ID Host ID  Class B 10 Network number Network number Host ID Host ID  Class C 110 Network number Network number Network number Host ID                         Host IDs of all zeros or all ones are not allowed        Therefore    gt  A class    C    network  8 host bits  can have 2     2 or 254 hosts    gt  A class    B    address  16 host bits  can have 2  2 or 65534 hosts   A class    A    address  24 host bits  can have 2  2 hosts  approximately 16 million hosts            IP Subnetting U    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Since the first octet of a class    A    IP address must contain a    0     the first octet of a class    A    address can  have a value of 0 to 127     Similarly the first octet of a class  B  must begin with    10     therefore the first octet of a class    B    address  has a valid range of 128 to 191  The first octet of a class  C  address begins with    110     and therefore has a  range of 192 to 223    
141. ion   e Access Reject    Sent by a RADIUS server rejecting access        Wireless LAN Security Setup 4 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       e Access Accept  Sent by a RADIUS server allowing access   e Access Challenge    Sent by a RADIUS server requesting more information in order to allow access  The access point  sends a proper response from the user and then sends another Access Request message     The following types of RADIUS messages are exchanged between the access point and the RADIUS server  for user accounting     e Accounting Request  Sent by the access point requesting accounting   e Accounting Response  Sent by the RADIUS server to indicate that it has started or stopped accounting     In order to ensure network security  the access point and the RADIUS server use a shared secret key  which  is a password  they both know  The key is not sent over the network  In addition to the shared key   password information exchanged is also encrypted to protect the network from unauthorized access     4 3 3 Sequence for EAP Authentication    The following figure shows the authentication steps when you enable EAP and specify a RADIUS server on  your access point     SS  Computer qE Emet      Figure 4 3 Sequence for EAP Authentication            Radius Server       The steps below describe how the IEEE 802 1X EAP authentication works    Step 1  The wireless client sents a    request    message to the ZyAIR     Step 2  The ZyAIR sends a    request    
142. ion File Maintenance    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Step 1  Use telnet from your computer to connect to the ZyAIR and log in  Because TFTP does not have  any security checks  the ZyAIR records the IP address of the telnet client and accepts TFTP  requests only from this address     Step 2  Put the SMT in command interpreter  CI  mode by entering 8 in Menu 24     System  Maintenance     Step 3  Enter the command    sys stdio 0    to disable the console timeout  so the TFTP transfer will not be  interrupted  Enter    command sys stdio 5  to restore the five minute console timeout  default   when the file transfer is complete     Step 4  Launch the TFTP client on your computer and connect to the ZyAIR  Set the transfer mode to  binary before starting data transfer     Step 5  Use the TFTP client  see the example below  to transfer files between the ZyAIR and the  computer  The file name for the firmware is  ras      Note that the telnet connection must be active and the ZyAIR in CI mode before and during the TFTP  transfer  For details on TFTP commands  see following example   please consult the documentation of your  TFTP client program  For UNIX  use    get    to transfer from the ZyAIR to the computer     put    the other way  around  and    binary    to set binary transfer mode     10 4 6 TFTP Upload Command Example    The following is an example TFTP command     tftp   i  host put firmware bin ras    11327     where    i    specifies binary im
143. ioris      rere iR e ict he ie reete deer 10 1  10 2  Backup Configuration    sce eee eei eie i 10 2  10 2 1  Backup Configuration icici  cect ee eem eie e o tei i tds 10 3  10 2 2 Using the FTP Command from the Command Line                       eene 10 3  10 2  3 Example of FTP Commands from the Command  me  10 4  10 2 4   GUEbased FTP Clients     eoi dere a ea 10 4  10 2 5 TFTP and FTP over WAN Will Not Work When  10 4  10 2 6 Backup Configuration Using TFTP enne 10 5  10 2 7   TETP Command Example     635  0e ERR ne A RN ae TE dn 10 5  10 2 8  GUl based TETP Chemts coria Ree eerte  Ee ea eee cette ds 10 5  10 2 9        Backup  Via  Console Port  tene RENE RA A EG I ed 10 6  10 3     Restore COn UCI acte te RR leti O eese dutem er 10 7  10 31   Restore Using  E TP Sei io SUR ee eus 10 8  10 3 2 Restore Using FTP Session sample  10 9  10 3332    Restore Via  Console BOttu uoo ee RODA here Dad et Berti ees 10 9  10 4 Uploading Firmware and Configuration les 10 10  10 41      Firmware File Uplo  d        eee ee e e NG Ame 10 10  10 4 2 Configuration File Upload  10 11  10 4 3 FTP File Upload Command from the DOS Prompt Example                             sss 10 12  10 4 4 FTP Session Example of Firmware File Upload  10 12  10 4 57 TETP Bile Uplo  d  i ee ret ee e el ee ir ERR Da 10 12  10 4 6 TFTP Upload Command Example essere 10 13  10 4 7 Uploading Via Console Port 10 13       Table of Contents ix    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       10 4 8 Uploadi
144. isable the schedule  set     Yes       Start Date    Enter the start date when you wish the set to take effect in year    month date format  Valid dates are from the present to 2036 February   5     2000 01 01       How Often          Should this schedule set recur weekly or be used just once only   Press  SPACE BAR  and then  ENTER  to select Once or Weekly   Both these options are mutually exclusive  If Once is selected  then all  weekday settings are N A  When Once is selected  the schedule rule  deletes automatically after the scheduled time elapses        Once          12 2    Call Scheduling       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch                FIELD DESCRIPTION EXAMPLE  Once  If you selected Once in the How Often field above  then enter the date 2000 01 01  Date the set should activate here in year month date format   Weekday    If you selected Weekly in the How Often field above  then select the Yes    day s  when the set should activate  and recur  by going to that day s              Day and pressing  SPACE BAR  to select Yes  then press  ENTER   No  N A   Start Time   Enter the start time when you wish the schedule set to take effect in 09 00  hour minute format    Duration Enter the maximum length of time this connection is allowed in hour  08 00  minute format    Action Forced On means that the connection is maintained whether or not  there is a demand call on the line and will persist for the time period Forced On    specified in the Duration 
145. ive name or comment in the Edit Comments field  for example   TELNET WAN  and press  ENTER      Step 4  Press  ENTER  at the message    Press ENTER to confirm or ESC to cancel    to open Menu  21 3 1     TCP IP Filter Rule     Step 5  Type to configure the first filter rule  Make the entries in this menu as shown next     Menu 21 3 1   TCP IP Filter Rule    Filter 4  3 1  Filter Type  TCP IP Fi  Active  Yes  IP Protocol  6  Destination  IP Addr  0   IP Mask  0   Port    23  Port   Comp  Equal  Source  IP Addr  0 0 0 0 The port number for the telnet  IP Mask  0 0 0 0 service  TCP protocol  is 23  See  Port    RFC 1060 for port numbers of well     Port   Comp  None known services   TCP Estab  No    0   0     ion Not Mat  hed  Forward Select Equal here    as we are looking  for packets going  to port 23 only     Pfess ENTER to Confirm or ESC to Mancel     There are no  more rules to  check   Select Forward here so that the packet will be forwarded if  its destination is not the telnet port and there are no more  Select Drop here so that the rules in this filter set to check  Select Next if there are  packet will be dropped if its more rules to check   destination is the telnet port        Figure 7 12 Sample Filter   Menu 21 3 1    When you press  ENTER  to confirm  the following screen appears  Note that there is only one filter rule in  this set        7 14 Filter Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 21 1   Filter Rules Summary  Filte
146. l Commands       System Maintenance and Information 11 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       11 2 Time and Date Setting    The ZyAIR keeps track of the time and date  There is also a software mechanism to set the time manually  or get the current time and date from an external server when you turn on your ZyAIR  Menu 24 10 allows  you to update the time and date settings of your ZyAIR  The real time is then displayed in the ZyAIR error  logs and firewall logs     Step 1  Select menu 24 in the main menu to open Menu 24     System Maintenance     Step 2  Then enter 10 to go to Menu 24 10     System Maintenance     Time and Date Setting to update  the time and date settings of your ZyAIR as shown in the following screen     Menu 24 10   System Maintenance   Time and Date Setting    Use Time Server when Bootup  NTP  RFC 1305   Time Server Address  128 105 39 21    Current Time   New Time  hh mm ss      Current Date   New Date  yyyy mm dd      Time Zone  GMT    Daylight Saving  No  Start Date  mm dd    End Date  mm dd      Press ENTER to Confirm or ESC to Cancel        Figure 11 3 Menu 24 10 System Maintenance     Time and Date Setting    Table 11 1 Time and Date Setting Fields       FIELD DESCRIPTION       Use Time Server   Enter the time service protocol that your time server sends when you turn on the  when Bootup ZyAIR  Not all time servers support all protocols  so you may have to check with   your ISP network administrator or use trial and error to 
147. mber is 53  This cannot be changed     Access Select the access interface  if any  by pressing the  SPACE BAR   LAN only  Choices are  LAN only  WAN only  All or Disable  The default is  LAN only     Secured Client IP   The default 0 0 0 0 allows any client to use this service to remotely  manage the ZyAIR  Enter an IP address to restrict access to a client  with a matching IP address     Once you have filled in this menu  press  ENTER  at the message  Press ENTER to Confirm or ESC to  Cancel  to save your configuration  or press  ESC  to cancel        13 4 2 Remote Management Limitations  Remote management over LAN or WAN will not work when     1  A filter in menu 3 1  LAN  or in menu 11 5  WAN  is applied to block a Telnet  FTP or Web  service     2  You have disabled that service in menu 24 11     3  The IP address in the Secured Client IP field  menu 24 11  does not match the client IP address   If it does not match  the ZyAIR will disconnect the session immediately     4  There is already another remote management session of the same type  Telnet  FTP or Web   running  You may only have one remote management session of the same type running at one  time     5  There is a web remote management session running with a Telnet session  A Telnet session will be  disconnected if you begin a web session  it will not begin if there already is a web session     13 5 Remote Management and NAT   When NAT is enabled    gt  Use the ZyAIR   s WAN IP address when configuring from the WA
148. ment   please refer to RFC 1597  Address Allocation for Private Internets and RFC 1466   Guidelines for Management of IP Address Space        3 3 3 RIP Setup    RIP  Routing Information Protocol  allows a router to exchange routing information with other routers   The RIP Direction field controls the sending and receiving of RIP packets  When set to     1  Both   the ZyAIR will broadcast its routing table periodically and incorporate the RIP information that  it receives     2  In Only   the ZyAIR will not send any RIP packets but will accept all RIP packets received   3  Out Only   the ZyAIR will send out RIP packets but will not accept any RIP packets received   4  None  the ZyAIR will not send any RIP packets and will ignore any RIP packets received     The Version field controls the format and the broadcasting method of the RIP packets that the ZyAIR sends   it recognizes both formats when receiving   RIP 1 is universally supported  but RIP 2 carries more  information  RIP 1 is probably adequate for most networks  unless you have an unusual network topology     Both RIP 2B and RIP 2M sends the routing data in RIP 2 format  the difference being that RIP 2B uses  subnet broadcasting while RIP 2M uses multicasting        Internet Access 3 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       3 3 4 DHCP Configuration    DHCP  Dynamic Host Configuration Protocol  allows the individual clients  computers  to obtain the  TCP IP configuration at start up from a centrali
149. mentations  especially UNIX derivatives  require separate  IP network numbers for the WAN and LAN links and each end to have a  unique address within the WAN network number  In that case  type the  IP address assigned to the WAN port of your ZyAIR   Network Press  SPACE BAR  and then  ENTER  to select Full Feature if you Full  Address have multiple public WAN IP addresses for your ZyAIR  Feature  Translation  Remote Node Configuration 5 5    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 5 2 Remote Node Network Layer Options       FIELD    DESCRIPTITON    EXAMPLE       Select SUA Only if you have just one public WAN IP address for your  ZyAIR  The SMT uses Address Mapping Set 255  menu 15 1   see  section 6 3  f      Select None to disable NAT        Metric    The metric represents the  cost  of transmission for routing purposes   IP routing uses hop count as the cost measurement  with a minimum of  1 for directly connected networks  Type a number that approximates the  cost for this link  The number need not be precise  but it must be  between 1 and 15  In practice  2 or 3 is usually a good number        Private    This determines if the ZyAIR will include the route to this remote node  in its RIP broadcasts  If set to Yes  this route is kept private and not  included in RIP broadcast  If No  the route to this remote node will be  propagated to other hosts through RIP broadcasts     No       RIP Direction    Press  SPACE BAR  and then  ENTER  to select the 
150. menu to display Menu 3 Ethernet Setup  When menu 3 appears   press 2 and press  ENTER  to display Menu 3 2 TCP IP and DHCP Ethernet Setup  as shown next        Internet Access 3 5    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          First address in  Menu 3 2   TCP IP and DHCP Ethernet Setup the IP Pool    DHCP Setup   DHCP  Server  Client IP Pool Starting Address  192 168 1 33 Size of the IP  Size of Client IP Pool  32 Pool  Primary DNS Server  0 0 0 0 T  Secondary DNS Server  0 0 0 0  Remote DHCP Server  N A   TCP IP Setup                    IP Address  192 68 1 1 IP addresses of  IP Subnet Mask  255 255 255  the DNS  RIP Direction  Both servers    Version  RIP 1  Multicast  None  Edit IP Alias  No          r   This is the IP  address of the  Press Space Bar to Toggle  ZyAIR    Press ENTER to Confirm or ESC to Cancel                       Figure 3 2 Menu 3 2     TCP IP and DHCP Ethernet Setup  Follow the instructions in the following table on how to configure the DHCP fields     Table 3 1 DHCP Ethernet Setup Menu Fields       FIELD DESCRIPTION EXAMPLE       DHCP Setup    DHCP  If set to Server  your ZyAIR can assign IP addresses  an IP default  gateway and DNS servers to Windows 95  Windows NT and other  systems that support the DHCP client    If set to None  the DHCP server will be disabled    If set to Relay  the ZyAIR acts as a surrogate DHCP server and  relays DHCP requests and responses between the remote server  and the clients  Enter the IP address of the
151. message to the wireless client for identity information   Step 3  The wireless client replies with the password and username information     Step 4  The ZyAIR receives the message and repackets this information into an Access Request  package which is then sent to the remote RADIUS server  or the Authentication server         4 4 Wireless LAN Security Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Step 5  The RADIUS server checks the user information against its user profile database and sends an     accept    or a    deny    packet to ZyAIR     Step 6  When ZyAIR receives the    accept    package  the client port is placed into an authorized state  and traffic is allowed to proceed  Otherwise  no traffic is allowed     4 3 4 Enable EAP Authentication on Your ZyAIR    Follow the steps below to enable EAP authentication on your ZyAIR   Step 1  From the main menu  enter 23 to display Menu23   System Security     Menu 23   System Security    1  Change Password  2  RADIUS Server      IEEE802 1X       Figure 4 4 Menu 23     System Security  Step 2  Enter 4 to display Menu 23 4     System Security     IEEE802 1X     Menu 23 4   System Security   IEEE802 1X    Authentication Control  Force Authorized    ReAuthentication Timer  in second   N A    Press ENTER to Confirm or ESC to Cancel        Figure 4 5 Menu 23 4  System Security     IEEE802 1X  The following table describes the fields in this screen     Table 4 2 IEEE802 1X System Security Field Descriptions    
152. mpt window  type  ipconfig  and then press  ENTER   The window will display  information about your connection specific DNS suffix  IP Address  Subnet Mask and Default Gateway     Setting up Your Windows XP Computer    Configuring TCP IP   1  Click start  Control Panel  Network and Internet Connections and then Network Connections   2  Right click the network connection you want to configure and then click Properties    3  Under the General tab  select Internet Protocol  TCP IP   you may need to scroll down  and click    Properties        TCP IP Q    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       4     6   de  8     The Internet Protocol TCP IP Properties window opens    If you have a dynamic IP address click Obtain an IP address automatically      If you have a static IP address click Use the following IP Address and fill in the IP address  Subnet  mask  and Default gateway fields  To configure advanced static address settings for a local area  connection  click Advanced  and do one or more of the following to configure additional IP  addresses      In the IP Settings tab  in IP addresses  click Add      In TCP IP Address  type an IP address in IP address and a subnet mask in Subnet mask  and  then click Add      Repeat the above two steps for each IP address you want to add      Configure additional default gateways in the IP Settings tab by clicking Add in Default  gateways      In TCP IP Gateway Address  type the IP address of the default gateway in Gateway  T
153. n        2 2 6 F G   Frame Ground   Ground the ZyAIR by connecting a grounded wire to the F G  terminal     2 2 7 Antennas    The ZyAIR is equipped with two reverse SMA connectors and two detachable omni directional 2dBi  antennas to provide clear radio signal between the wireless stations and the access points  Refer to the  Antenna Selection and Positioning Recommendations appendix for more information     The following table shows the ZyAIR s coverage in meters using the included antennas  The distance may  differ depending on the network environment        2 4 Hardware Installation and Initial Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 1 2 ZyAIR Wireless LAN Coverage                       11 Mbps  lt  5 5 Mbps  Indoor 50m 80m  Outdoor 200m 300 m          ZyXEL offers several optional antennas to provide optimum coverage and performance for your ZyAIR     Refer to the Quick Start Guide for instructions to attach the antennas to your ZyAIR     2 3 Hardware Mounting Options    The ZyAIR may be placed on a flat surface or wall mounted     In general  the best location to place the access point is at the center of your intended wireless coverage  area  For better performance  mount the ZyAIR in a high position free of obstructions     Refer to the Quick Start Guide for hardware installation procedure     2 4 Additional Installation Requirements    A computer with an IEEE 802 11b wireless LAN card or an Ethernet 10Base T 100Base T NIC    To enable
154. n action is taken or else the packet is disposed of  default   according to the action fields    If More is Yes  then Action Matched and Action Not  Matched will be N A   7 8 Filter Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 7 3 TCP IP Filter Rule Menu Fields       FIELD DESCRIPTION EXAMPLE       Log   Select the logging option from the following   None   No packets will be logged  None    Action Matched   Only packets that match the rule  parameters will be logged     Action Not Matched     Only packets that do not match the  rule parameters will be logged     Both     All packets will be logged        Action Matched Select the action for a matching packet  Choices are Check   Check Next Rule  Next Rule  Forward or Drop   default        Action Not Matched Select the action for a packet not matching the rule  Choices   Check Next Rule  are Check Next Rule  Forward or Drop   default              When you have completed this menu  press  ENTER  at the prompt  Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen              The following figure illustrates the logic flow of an IP filter        Filter Configuration 7 9    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Packet    into IP Filter    Filter Active       No         Yes                Y  Apply SrcAddrMask  to Src Addr           Check S NES TEN  Aser IPAddr        Not Matched             Matched
155. nfig rom     10 2 8 GUI based TFTP Clients  The following table describes some of the fields that you may see in GUI based TFTP clients        Firmware and Configuration File Maintenance 10 5    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 10 3 General Commands for GUI based TFTP Clients                COMMAND DESCRIPTION   Host Enter the IP address of the ZyAIR  192 168 1 1 is the ZyAIR   s default IP address when  shipped    Send Fetch Use  Send  to upload the file to the ZyAIR and    Fetch    to back up the file on your  computer    Local File Enter the path and name of the firmware file    bin extension  or configuration file    rom    extension  on your computer        Remote File   This is the filename on the ZyAIR  The filename for the firmware is  ras  and for the  configuration file  is    rom 0           Binary Transfer the file in binary mode        Abort Stop transfer of the file                 Refer to section 10 2 5 to read about configurations that disallow TFTP and FTP over WAN     10 2 9 Backup Via Console Port    Back up configuration via console port by following the HyperTerminal procedure shown next  Procedures  using other serial communications programs should be similar     66  99    Step 1  Display menu 24 5 and enter    y    at the following screen     Ready to backup Configuration via Xmodem   Do you want to continue  y n         Figure 10 3 System Maintenance     Backup Configuration    Step 2  The following screen indicates tha
156. ng Factory  Def  ults nennen 2 8   2 6 2 ZYAIR SMT Menu Overview         esses enne E ener einen nennen nennen 2 8   2 15    Navigating the SM T Interface  aos Ree ied a I WEG 2 10   2 4 System Management Terminal Interface Summary                     sse 2 1   2 8   Changing the System Password  2 12   2 0    General Setup e tette tee i Teste ben ta Boke 2 12       vi Table of Contents    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       2 9 1 Dynamic DNS 55  iaa dil a nno ea ee vie e rens 2 13  2 9 2 Procedure To Configure Menu  lisina sa na Or UO ea iet d 2 13  2 9 3 Procedure to Configure Dynamic DNS                  sse eene 2 14  2 10   WASNUSETUD  aeree teret ree Pt imt DERE OPER DER 2 15  SID  SN RON 2 16  2 11 1 General Ethernet Port Filter Setup                sss 2 17  Chapter 3 Internet ACCESS                                                           nconncn coca roca acoso 3 1  3 1 Factory Ethernet Defaults eene enne nennen etea oeaiei sinisita 3 1  2322  ANS atid  EE 3 1  3 2 1 LANs  WANS and the ZyAIR              eseseseseeeeene enne nennen nennen ener enne 3 1  SG E TOPP MELEN 3 2  3 3 1 IP Address and Subnet Mask    NENNEN 3 2  3 3 2 Private  IP Addresses eee ee di een 3 3  3 3 3 RIP Setup   need ea t i gie reed b tie e i ares 3 3  3 3 4 DHCP Configuration ee eite ded ee eee e etie eee e Ea 3 4  34 IP Multicast aotem en e prete dere ee o ege nete a es 3 5  3 5  TCP IP Ethernet and DHCP Setup iii ei i de rites 3 5  26 TP UL                           
157. ng Firmware File Via Console Pot  10 14  10 4 9 Example Xmodem Firmware Upload Using HyperTerminal sess 10 14  10 4 10 Uploading Configuration File Via Console Port  10 15  10 4 11 Example Xmodem Configuration Upload Using HyperTerminal                                   10 15  Chapter 11 System Maintenance and Information                       4  eeeeee esee e esee esee eene eren netos etna setas stone se tnann 11 1  11 1 Command Interpreter Mode 11 1  11 2   Titne and Dit Sed   ee ee e tette pe ti E e E Wen UE 11 2  FZL    Resetting  the Times insect die ese ads te oben EHE NER 11 3  Cliapter 12 Call Scheduling ere eodeni NT 12 1  12 1     Introd  ctioti z o ore tet tS tt nu eene Oe petet 12 1  Chapter 13 Remote Management                  eese esee eene eee eee entes tn netus tasa tasto seta sets nono sonas n sens ense enses nano 13 1  13 1   Telnet zoe eee ere apo en a eins 13 1  A edet ehe t e ete e Rte 13 1  IS EE EE 13 1  13 4  Remote Management sc  ec eee eret d ime ete ie eee ir see eene rd 13 1  13 4    Remote Management Setup    13 2  13 4 2 Remote Management Lmmmtatons  nono non nono nconnrnn nono nr nn nn rrnnrnnnns 13 3  13 5 Remote Management and NAT sse nennen eren enne enne 13 3  13 6  System Timeout ves  iii sce ee ER Re RERO EU den 13 4  ADDITIONAL INFORMATION      ssssssssssssssssossosssassscosssncsocsnssossecsnssossossenenassesesssessessessonsnassnsosssassossessosseass IV  Chapter 14 Troubleshooting  sists sis ccscstsvss enero svsvsssevesececdssessseesesws
158. nnot access the  Internet     Connect your cable DSL modem with the ZyAIR using the appropriate cable     Check with the manufacturer of your cable DSL device about your cable  requirement because for some devices may require a crossover cable and others a  straight through Ethernet cable     Verify your WAN settings in SMT menu 2 and Internet access settings in SMT  menu 4           Internet connection  disconnects       Check the schedule rules in SMT menu 26   If you use PPPoE encapsulation  check the idle time out setting in SMT menu 11 5     Contact your ISP           14 6 Problem with Telnet    Table 14 6 Troubleshooting Telnet       PROBLEM    CORRECTIVE ACTION         cannot access  the ZyAIR through  Telnet           Refer to the Problems with the Ethernet Interface section for instructions on checking  your Ethernet connection           Troubleshooting    14 3       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Appendix A  Wireless LAN and IEEE 802 11    A wireless LAN  WLAN  provides a flexible data communications system that you can use to access  various services  navigating the Internet  email  printer services  etc   without any expensive network  cabling infrastructure  In effect a wireless LAN environment provides you the freedom to stay connected to  the network while in the coverage area     Benefits of a Wireless LAN    1  Access to network services in areas otherwise hard or expensive to wire  such as historical buildings   buildings with asb
159. ns the burden on the carriers of provisioning virtual circuits all the way to the ISP on multiple  switches for thousands of users  For GSTN  PSTN  amp  ISDN   the switching fabric is already in place     3  It allows the ISP to use the existing dial up model to authenticate and  optionally  to provide  differentiated services     Traditional Dial up Scenario    The following diagram depicts a typical hardware configuration where PCs use traditional dial up  networking       ISP 1  O  4   o  L  4  E  m  O  E ISP 2  O  O       Diagram 4 Single PC per Modem Hardware Configuration       PPPoE      ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       How PPPoE Works    The PPPoE driver makes the Ethernet appear as a serial link to the PC and the PC runs PPP over it  while the  modem bridges the Ethernet frames to the Access Concentrator  AC   Between the AC and an ISP  the AC is  acting as a L2TP  Layer 2 Tunneling Protocol  LAC  L2TP Access Concentrator  and tunnels the PPP  frames to the ISP  The L2TP tunnel is capable of carrying multiple PPP sessions     With PPPoE  the VC  Virtual Circuit  is equivalent to the dial up connection and is between the modem and  the AC  as opposed to all the way to the ISP  However  the PPP negotiation is between the PC and the ISP     The ZyAIR as a PPPoE Client    When using the ZyAIR as a PPPoE client  the PCs on the LAN see only Ethernet and are not aware of  PPPoE  This alleviates the administrator from having to manage the PPPoE clie
160. nts on the individual PCs     d  L2TP       hr       5  D     c  9  2  o  Oo    Ethernet xDSL          Diagram 5 ZyAIR as a PPPoE Client       J PPPoE    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Appendix E  PPTP    What is PPTP     PPTP  Point to Point Tunneling Protocol  is a Microsoft proprietary protocol  RFC 2637 for PPTP is  informational only  to tunnel PPP frames     How can we transport PPP frames from a PC to a broadband modem over Ethernet     A solution is to build PPTP into the ANT  ADSL Network Termination  where PPTP is used only over the  short haul between the PC and the modem over Ethernet  For the rest of the connection  the PPP frames are  transported with PPP over AALS  RFC 2364   The PPP connection  however  is still between the PC and the  ISP  The various connections in this setup are depicted in the following diagram  The drawback of this  solution is that it requires one separate ATM VC per destination     PC ANT ISP    SS mmm  A     __   _     q  _           PPTP RFC 2364    nn eee   PPP    Diagram 6 Transport PPP frames over Ethernet          PPTP and the ZyAIR  When the ZyAIR is deployed in such a setup  it appears as a PC to the ANT  ADSL Network Termination      In Windows VPN or PPTP Pass Through feature  the PPTP tunneling is created from Windows 95  98 and  NT clients to an NT server in a remote location  The pass through feature allows users on the network to  access a different remote server using the ZyAIR s Internet conne
161. o  manually configure a default metric  the number of transmission hops   clear the Automatic  metric check box and type a metric in Metric      Click Add    Repeat the previous three steps for each default gateway you want to add    Click OK when finished    In the Internet Protocol TCP IP Properties window s General tab      Click Obtain DNS server address automatically if you do not know your DNS server IP  address es       If you know your DNS server IP address es   click Use the following DNS server addresses  type them  in the Preferred DNS server and Alternate DNS server fields  If you have previously configured  DNS servers  click Advanced and then the DNS tab to order them     Click OK to close the Internet Protocol  TCP IP  Properties window   Click OK to close the Local Area Connection Properties window     Turn on your Prestige and restart your computer  if prompted      Verifying TCP IP Properties    l   2     Click Start  All Programs  Accessories and then Command Prompt     In the Command Prompt window  type  ipconfig  and then press  ENTER   You can also open  Network Connections  right click a network connection  click Status and then click the Support tab        TCP IP    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Setting up Your Macintosh Computer    Configuring TCP IP Properties    1     2  3   4    5   6   T     Click the Apple menu  Control Panel and double click TCP IP to open the TCP IP Control Panel   Select Ethernet from the Connect v
162. on File  Maintenance    This chapter tells you how to back up and restore your configuration file as well as upload new  firmware and a new configuration file     10 1 Filename Conventions    The configuration file  often called the romfile or rom 0  contains the factory default settings in the menus  such as password  DHCP Setup  TCP IP Setup  etc  It arrives from ZyXEL with a    rom    filename  extension  Once you have customized the ZyAIR s settings  they can be saved back to your computer under  a filename of your choosing     ZyNOS  ZyXEL Network Operating System sometimes referred to as the    ras    file  is the system firmware  and has a    bin    filename extension  With many FTP and TFTP clients  the filenames are similar to those  seen next     ftp gt  put firmware bin ras  This is a sample FTP session showing the transfer of the computer file   firmware bin  to the ZyAIR     ftp   get rom 0 config cfg  This is a sample FTP session saving the current configuration to the computer file    config cfg        If your  T FTP client does not allow you to have a destination filename different than the source  you will  need to rename them as the ZyAIR only recognizes    rom 0    and    ras     Be sure you keep unaltered copies  of both files for later use     The following table is a summary  Please note that the internal filename refers to the filename on the  ZyAIR and the external filename refers to the filename not on the ZyAIR  that is  on your computer  local  netw
163. only need one rule where your ILAs  Inside Local addresses   all map to one dynamic IGA  Inside Global Address  assigned by your ISP            Inside Local One Dynamic   PC 3 E  5  Addresses  ILA  Inside Global  Addresses  IGA   Assigned by ISP         Figure 6 12 NAT Example 1    Menu 4   Internet Access Setup    ISP s Name  ChangeMe  Encapsulation  Ethernet  Service Type  Standard  My Login  N A  My Password  N A  Login Server  N A    IP Address Assignment  Dynamic  IP Address  N A  IP Subnet Mask  N A  Gateway IP Address  N A  Network Address Translation  SUA Only    Press ENTER to Confirm or ESC to Cancel        Figure 6 13 Menu 4   Internet Access  amp  NAT Example    From menu 4  choose the SUA Only option from the Network Address Translation field  This is the  Many to One mapping discussed in section 6 5  The SUA Only read only option from the Network  Address Translation field in menus 4 and 11 3 is specifically pre configured to handle this case        6 16 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       6 5 2 Example 2  Internet Access with an Inside Server             Inside Local One Dynamic   PC 3 O  1 Addresses  ILA  Inside Global  Addresses  IGA   Assigned by ISP    Inside Server  IP   192 168 1 10    Figure 6 14 NAT Example 2    In this case  you do exactly as above  use the convenient pre configured SUA Only set  and then go to  menu 15 2 to specify the Inside Server behind the NAT as shown in the next figure     Menu 15 2   NAT Server Set
164. ork or FTP site and so the name  but not the extension  may vary  After uploading new firmware  see  the ZyNOS F W Version field in Menu 24 2 1     System Maintenance     Information to confirm that you  have uploaded the correct firmware version  The AT command is the command you enter after you press     y    when prompted in the SMT menu to go into debug mode        Firmware and Configuration File Maintenance 10 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 10 1 Filename Conventions          FILE TYPE INTERNAL NAME EXTERNAL NAME DESCRIPTION  Configuration Rom 0 This is the configuration filename on the     rom  File ZyAIR  Uploading the rom 0 file replaces    the entire ROM file system  including  your ZyAIR configurations  system   related data  including the default  password   the error log and the trace  log        Firmware Ras This is the generic name for the ZyNOS   bin  firmware on the ZyAIR                       10 2 Backup Configuration       The ZyAIR displays different messages explaining different ways to backup   restore and upload files in menus 24 5  24 6  24  7 1 and 24 7 2  depending on  whether you use the console port or Telnet        Option 5 from Menu 24   System Maintenance allows you to backup the current ZyAIR configuration to  your computer  Backup is highly recommended once your ZyAIR is functioning properly  FTP is the  preferred methods for backing up your current configuration to your computer since they are faster  You 
165. osstalk occurs when the radio signals  from access points overlap and interfere one another degrading performance        Internet Access 3 13    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       ESS ID    Extended Service Set  ESS  is defined as one or more access points  APs  acting as a bridge between a  wired LAN and the associated wireless clients  The ESS ID is a unique ID given to the APs and the wireless  clients that participate in the same wireless network  You can think the EES ID as being similar to a  workgroup name in a Microsoft network     Wireless LANs can be as simple as two computers with wireless network interface cards  NICs   communicating in a peer to peer network or as complex as a number of computers with wireless NICs  communicating through access points which bridge network traffic to the wired LAN     The ESS ID provides minimum security for your network  see section on Wireless Security Setup for more  information     RTS Threshold    The RTS  Request To Send  Threshold prevents the hidden node problem  Hidden node problem occurs  when two stations are within the range of the same access point  but are not within the range of each other   The following figure illustrates the hidden node problem  Both stations  STA  are within the range of the  AP  however  they cannot hear each other  Therefore  they are considered as hidden nodes from each other   When a station starts data transmission with the access point  it might not know that the ot
166. oubleshooting the WAN Interface  14 2  Table 14 5 Troubleshooting the Internet Access  14 3  Table 14 6 Troubleshooting Telnet                   sess enne nennen nnne nennen 14 3    Diagram 1 Peer to Peer Communication in an Ad hoc Network  B  Diagram 2 ESS Provides Campus Wide Coverage nono nono non ron ron ran nro r ran rn r rn nn rn nr rn nran nn C  Diagram 3 Sequences for EAP MD5 Challenge Authentication                   eese F  Diagram 4 Single PC per Modem Hardware Confgeurapon  essent ener I  Diagram   ZyAIR  asa PPPOE Client    eandem beato orat tee ects J  Diagram 6 Transport PPP frames over Ethernet    ooooonncnnnicnncnocnnccnnonononacononnnnonncn nono co nennen nennen nennen nennen ener K  Diagram 7 PPTP Protocol Overview                eese neeaaea enia aa eisai aaaea reinen trennen L  Diagram 8 Example Message Exchange between PC and an ANT sese L       xvi Lists of Tables and Diagrams    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Preface    The ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch is the ideal all in one device for small  networks connecting to the Internet via a cable DSL modem  The ZyAIR is equipped with four auto sensing  10 100BASE T Ethernet ports to connect to your network and an RJ 45 port to connect to your ADSL  service     The ZyAIR B 2000 s 10 100M auto negotiating LAN interface enables fast data transfer of either 10Mbps or  100Mbps in either half duplex or full duplex mode depending on your Ethernet network using eit
167. our ZyAIR Using Telnet  The following procedure details how to telnet into your ZyAIR     Step 1  Make sure your computer IP address and the ZyAIR IP address are on the same subnet  Refer to  the TCP IP appendix     Step 2  In Windows  click Start  usually in the bottom left corner   Run and then type    telnet  192 168 1 1   the default IP address  and click OK     Step 3  Enter 1234 in the Password field     Step 4  After entering the password you will see the main menu     2 5 3 Connect to Your ZyAIR Using the Console Port    Step 1  Connect the 7 pin male end of a console port cable to the port labelled CONSOLE on the  ZyAIR and the 9 pin female end to an avaliable serial port on your computer     Step 2  Run the communications software and configure the communication parameteres as described  in the Additional Installation Requirements section     Step 3  Turn on your ZyAIR and you should see the initial screen shown next        2 6 Hardware Installation and Initial Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          Please note that if there is no activity for longer than five minutes  default timeout  period  after you log in  your ZyAIR will automatically log you out        The remainder of this user   s guide shows you how to configure the ZyAIR for Internet access using SMT  screens through the console port  There are also some sections in this guide that focus on using Telnet to  configure the ZyAIR     2 5 4 Initial Screen    When you turn on yo
168. our computer    Enter    open     followed by a space and the IP address of your ZyAIR   Press  ENTER  when prompted for a username    Enter your password as requested  the default is    1234        Enter    bin    to set transfer mode to binary     Use    get    to transfer files from the ZyAIR to the computer  for example     get rom 0 config rom     transfers the configuration file on the ZyAIR to your computer and renames it    config rom     See  earlier in this chapter for more information on filename conventions     Enter    quit    to exit the ftp prompt        Firmware and Configuration File Maintenance 10 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       10 2 3 Example of FTP Commands from the Command Line       331 Enter PASS command   Password    230 Logged in   ftp gt  bin   200 Type I OK   ftp   get rom 0 zyxel rom   200 Port command okay   150 Opening data connection for STOR ras  226 File received OK   ftp  16384 bytes sent in 1 10Seconds 297 89Kbytes sec   ftp   quit             Figure 10 2 FTP Session Example    10 2 4 GUI based FTP Clients    The following table describes some of the commands that you may see in GUI based FTP clients     Table 10 2 General Commands for GUI based FTP Clients             COMMAND DESCRIPTION  Host Address Enter the address of the host server   Login Type Anonymous     This is when a user I D  and password is automatically supplied to the  server for anonymous access  Anonymous logins will work only if your  ISP o
169. ous sequence of zeros   for a total number of 32 bits           V IP Subnetting    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Since the mask is always a continuous number of ones beginning from the left  followed by a continuous  number of zeros for the remainder of the 32 bit mask  you can simply specify the number of ones instead of  writing the value of each octet  This is usually specified by writing a         followed by the number of bits in  the mask after the address     For example  192 1 1 0  25 is equivalent to saying 192 1 1 0 with mask 255 255 255 128     The following table shows all possible subnet masks for a class    C    address using both notations     Chart 4 Alternative Subnet Mask Notation                               SUBNET MASK IP SUBNET MASK    1    BITS LAST OCTET BIT VALUE  ADDRESS  255 255 255 0 124 0000 0000  255 255 255 128 125 1000 0000  255 255 255 192 126 1100 0000  255 255 255 224 127 1110 0000  255 255 255 240  28 1111 0000  255 255 255 248 129 1111 1000  255 255 255 252  30 1111 1100                The first mask shown is the class    C    natural mask  Normally if no mask is specified it is understood that  the natural mask is being used     Example  Two Subnets  As an example  you have a class    C    address 192 168 1 0 with subnet mask of 255 255 255 0                    NETWORK NUMBER HOST ID  IP Address 192 168 1  0  IP Address  Binary  11000000 10101000 00000001  00000000  Subnet Mask 255 255 255  0  Subnet Mask  Bin
170. p guide to help you connect  install and set up your ZyAIR    to operate on your network and to access the Internet  Described are Key Features and  Application  Hardware Installation  Initial Setup and Internet Access           ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 1  Getting To Know Your ZyAIR    This chapter describes the key features and applications of your ZyAIR     1 1 ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch    The ZyAIR is a cost effective wireless LAN gateway with an integrated 10 100 Mbps and wireless  interfaces and robust network management features for Internet access via an external cable xDSL modem   Equipped with a 10Mbps Ethernet WAN port  four auto negotiating 10 100Mbps Ethernet LAN ports and  the Single User Account  SUA  feature  the ZyAIR is uniquely suited as a broadband Internet access   sharing gateway for multi computer homes and home offices     For added security  your ZyAIR supports various methods of network security  WEP  MAC address  filtering  and IEEE 802 1x authentication     ZyAIR provides ease of installation and superior network security  What   s more  users enjoy the  convenience and mobility with wireless LAN connectivity  working anywhere within the coverage area     1 2 Features of the ZyAIR    Your ZyAIR is packed with a number of features that give it the flexibility to provide a complete  networking solution for almost any user     4 Port Switch    A combination of switch and router makes 
171. ple Xmodem Upload       After the configuration upload process has completed  restart the ZyAIR by entering    atgo           10 16 Firmware and Configuration File Maintenance    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 11    System Maintenance and Information    This chapter leads you through SMT menus 24 8 to 24 11     11 1 Command Interpreter Mode    The Command Interpreter  CI  is a part of the main system firmware  The CI provides much of the same  functionality as the SMT  while adding some low level setup and diagnostic functions  Enter the CI from  the SMT by selecting menu 24 8  See the included disk or the zyxel com web site for more detailed   information on CI commands  Enter 8 from Menu 24     System Maintenance  A list of valid commands  can be found by typing help or   at the command prompt  Type exit to return to the SMT main menu    when finished     Ta  25  35  4   5   6   d  8   9   1   T    Menu 24   System Maintenance    System Status   System Information and Console Port Speed  Log and Trace   Diagnostic   Backup Configuration   Restore Configuration   Upload Firmware   Command Interpreter Mode   Call Control      Time and Date Setting    Remote Management Setup    Enter Menu Selection Number        Figure 11 1 Menu 24   System Maintenance    Copyright  c  1994   2002 ZyXEL Communications Corp     ras      Valid commands are   Sys exit    poe  radius  hdap  ras      device ether  config wlan  ppp bridge       Figure 11 2 Valid C
172. r Rules      SA 0 0 0 0  DA 0 0 0 0  DP 23       1  2  3  4  5  6    Enter Filter Rule Number  1 6  to Configure  1    This shows you that you have M   N means an action can be taken immediately    configured and activated  A   Y  a The action is to drop the packet  m   D  if the   TCP IP filter rule  Type   IP  Pr   6  action is matched and to forward the packet   for destination telnet ports  DP   immediately  n   F  if the action is not matched no   23   matter whether there are more rules to be  checked  there aren t in this example         Figure 7 13 Sample Filter Rules Summary   Menu 21 1    After you have created the filter set  you must apply it   Step 1  Enter 11 in the main menu to display menu 11 and type the remote node number to edit   Step 2  Go to the Edit Filter Sets field  press  SPACE BAR  to choose Yes and press  ENTER      Step 3  This brings you to menu 11 5  Apply the example filter set  for example  filter set 3  in this  menu as shown in the next section     7 6 Applying Filters and Factory Defaults    This section shows you where to apply the filter s  after you design it  them   Sets of factory default filter  tules have been configured in menu 21  but have not been applied  to filter traffic     Table 7 5 Filter Sets Table       FILTER SETS DESCRIPTION       Input Filter Sets  Apply filters for incoming traffic  You may apply protocol or device filter rules   See earlier in this chapter for information on filters        Output Filter Sets    Apply 
173. r Static  Assignment Dynamic address assignment   IP Address   Enter the IP address supplied by your ISP if applicable  10 11 12 20       IP Subnet Mask   Your ZyAIR will automatically calculate the subnet mask based on  the IP address that you entered  Unless you are implementing  subnetting  use the subnet mask computed by the ZyAIR        Gateway IP   Type the IP address of the gateway  The gateway is an immediate   Address   neighbor of your ZyAIR that will forward the packet to the  destination  On the LAN  the gateway must be a router on the same  segment as your ZyAIR     Network Address   Press  SPACE BAR  and then  ENTER  to select None  SUA Only SUA Only  Translation or Full Feature  Please see the NAT Chapter for more details                 When you have completed this menu  press  ENTER  at the prompt    Press ENTER to Confirm       to save  your configuration  or press  ESC  at any time to cancel              If all your settings are correct your ZyAIR should connect automatically to the Internet  If the connection  fails  note the error message that you receive on the screen and take the appropriate troubleshooting steps     3 11 Wireless LAN    3 11 1 Wireless LAN Parameters    Channel    The range of radio frequencies used by IEEE 802 11b wireless devices is called a channel  You can choose  the radio channel depending on your geographical area  Adjacent Access Points  APs  with overlapping  coverage areas should use different channels to reduce crosstalk  Cr
174. r authentication through an external accounting server           Server Address   Enter the IP address of the external accounting server in dotted 10 11 12 13  decimal notation     Port   The default port of the RADIUS server for accounting is 1813  1813       You need not change this value unless your network  administrator instructs you to do so with additional information        Key   Specify a password  up to 31 alphanumeric characters  as the  key to be shared between the external accounting server and  the access points     The key is not sent over the network  This key must be the  same on the external accounting server and ZyAIR              When you have completed this menu  press  ENTER  at the prompt    Press ENTER to confirm or ESC to  cancel  to save your configuration or press  ESC  to cancel and go back to the previous screen              4 4 Creating User Accounts on the ZyAIR    By storing user profiles locally  your ZyAIR is able to authenticate wireless users without interacting with a  network RADIUS server     Follow the steps below to set up user profiles on your ZyAIR   Step 1  From the main menu  enter 14 to display Menu 14   Dial in User Setup        Wireless LAN Security Setup 4 7    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 14   Dial in User Setup    im  2  33  4   5  6   7   8     Enter Menu Selection Number        Figure 4 7 Menu 14  Dial in User Setup  Step 2  Type a number and press  ENTER  to edit the user profile     Menu
175. r service administrator has enabled this option     Normal     The server requires a unique User ID and Password to login        Transfer Type Transfer files in either ASCII  plain text format  or in binary mode        Initial Remote Directory Specify the default remote directory  path               Initial Local Directory Specify the default local directory  path            10 2 5 TFTP and FTP over WAN Will Not Work When  TFTP  FTP and Telnet over WAN will not work when   1  You have disable Telnet service in menu 24 11     2  You have applied a filter in menu 3 1  LAN  or in menu 11 5  WAN  to block Telnet service        10 4 Firmware and Configuration File Maintenance    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       3  The IP address in the Secured Client IP field in menu 24 11 does not match the client IP  If it does not  match  the ZyAIR will disconnect the Telnet session immediately     4  You have an SMT console session running     10 2 6 Backup Configuration Using TFTP    The ZyAIR supports the up downloading of the firmware and the configuration file using TFTP  Trivial  File Transfer Protocol  over LAN  Although TFTP should work over WAN as well  it is not recommended     To use TFTP  your computer must have both telnet and TFTP clients  To backup the configuration file   follow the procedure shown next     Step 1  Use telnet from your computer to connect to the ZyAIR and log in  Because TFTP does not have  any security checks  the ZyAIR records the IP 
176. rs behind NAT on the            LAN   The example situation looks somewhat like this   Other  Computers  on the LAN  Web Server    192 168 1 21 Mapping Rules    1  FTP 1  lt       gt  IGA 1 Type 1 1  2  FTP 2  lt       gt  IGA 2 Type 1 1  3  Other LAN traffic    gt IGA 3  Type M 1 Outgoing Traffic             gt Internal web server and mail server  Incoming Traffic             Mail  Server  192 168 1 20    INTERNET            3 IGAs  10 132 50 1   IGA 1  10 132 50 2   IGA 2  10 132 50 3   IGA 3                 FTP Server 1  192 168 1 10  FTP Server 2  192 168 1 11    Figure 6 16 NAT Example 3       6 18 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Step 1  In this case you need to configure Address Mapping Set 1 from Menu 15 1   Address Mapping  Sets  Therefore you must choose the Full Feature option from the Network Address  Translation field  in menu 4 or menu 11 3  as shown in the finger below     Menu 11 3   Remote Node Network Layer Options    IP Address Assignment  Dynamic  IP Address  N A   IP Subnet Mask  N A   Gateway IP Addr  N A    Network Address Translation  Full Feature  Metric  1  Private  N A  RIP Direction  None  Version  N A  Multicast  None    Enter here to CONFIRM or ESC to CANCEL        Figure 6 17 Example 3  Menu 11 3    Step 2  Then enter 15 from the main menu   Step 3  Enter 1 to configure the Address Mapping Sets     Step 4  Enter 1 to begin configuring this new set  Enter a Set Name  choose the Edit Action and then  enter 1 for th
177. s description  2 3 RN 2 5  Backup zx E 10 2 CPU L  ad cos mU lo s sr cu 9 2  Basic Service Set    eed A Crossover Ethernet Cable             sss 2 3  Benefits of PPPoE          sssseee een tees ee I CRT i as rto  nore ra rr er See Clear to Send  BSS sss See Basic Service Set Customer Support  v  C D  Call Connection                L data colo ieser 3 14  Call Filtering un 7 1 Data Eiltering  eee tee 7 1  Call Filters Device Filter rules                      eene 7 12  Built In   sce era eect td ena 7 1 DHGCP      eiie Eee eS 1 3  9 4  User Defien 7 1 Diagnostic rra es ER  Call Scheduling                   12 1 Diagnostic Tools  id Ho oe 9 1  Maximum Number of Schedule Sets           12 1 Direct Sequence Spread Spectmum A   NH ee 12 3 Distribution System              ees B  Precedence                eenneeeee 12 1 NS nts ua UN S ud  3 6  Precedence Example                   See precedence Domain Name  6 13  CDR orrasa EE 9 6 Domain Name System           nieee nnn 3 4  CDR  Call Detail Revolt    9 5 DS inci cepi See Distribution System  Channel Deeg n dee 3 16 Dess  See Direct Sequence Spread Spectrum  E EE 5 3 Dynamic DNS  eee 1 2  2 13  2 14  Index EE    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Dynamic Host Configuration Protocol              3 4  Dynamic Service Selection                             3 10  DYNDNS wWildcard 2 13  E  ENEE 4 3  EAP Authentication Beguence 4 4  Encapsulaton  sss 3 10  3 12  5 1  Error E 9 5  Error Information Messages  A eed 9 5
178. s is the default speed on leaving the factory   Try other speeds in case the speed has been       should be configured as changed   Get No parity  8 data bits  1 stop bit  data flow set to  none              14 2 Problem with the Password    Table 14 2 Troubleshooting the Password       PROBLEM    CORRECTIVE ACTION         cannot access  the ZyAIR           The Password and Username fields are case sensitive  Make sure that you enter the  correct password and username using the proper casing     Use the RESET button to restore the factory default configuration file  This will restore  all of the factory defaults including the password  Refer to section on resetting to  factory defaults for details           Troubleshooting    14 1       ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       14 3 Problem with the Ethernet Interface    Table 14 3 Troubleshooting the Ethernet Interface       PROBLEM    CORRECTIVE ACTION       Cannot access the  ZyAIR from the  Ethernet    If the all the LAN LEDs on the front panel are off  check the Ethernet cable  connection between your ZyAIR and the computer connected to the LAN port     Check the faulty Ethernet cables     Make sure the NIC  Network Interface Card  on the Ethernet device is installed and  working properly     Check the IP address of the Ethernet device  Make sure that the IP address and the  subnet mask of the ZyAIR and the Ethernet device are on the same subnet          cannot ping any  computer on the  LAN           Ch
179. separated by commas  The factory default filter set    NetBIOS WAN  is inserted in the protocol filters field under Call Filter Sets in menu 11 5 to block local  NetBIOS traffic from triggering calls to the ISP        Apply filter 3 to block  Tel  FTP and Web  Input Filter Sets  traffic from the WAN   protocol filters  3  device filters   Output Filter Sets     Menu 11 5   Remote Node Filter             protocol filters  1  device filters        Call Filter Sets  Apply filter 1 to block  Protocol filters  NETBIOS traffic to    Device filters  the WAN              Enter here to CONFIRM or ESC to CANCEL        Figure 7 15 Filtering Remote Node Traffic    Note that call filter sets are visible when you select PPTP or PPPoE encapsulation        7 16 Filter Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 8  SNMP Configuration    This chapter explains SNMP Configuration menu 22        SNMP is only available if TCP IP is configured        8 1 About SNMP    Simple Network Management Protocol is a protocol used for exchanging management information between  network devices  SNMP is a member of the TCP IP protocol suite  Your ZyAIR supports SNMP agent  functionality  which allows a manager station to manage and monitor the ZyAIR through the network  The  ZyAIR supports SNMP version one  SNMPv1   The next figure illustrates an SNMP management  operation  SNMP is only available if TCP IP is configured     MANAGER       SNMP          AGENT AGENT AGENT  
180. ses Address Mapping Set 255   menu 15 1   see Section 6 3 1   Choose SUA Only if you have just  one public WAN IP address for your ZyAIR                    6 3 NAT Setup    Use the Address Mapping Sets menus and submenus to create the mapping table used to assign global  addresses to computers on the LAN  You can see two NAT Address Mapping sets in menu 15 1  You can  only configure Set 1  Set 255 is used for SUA  When you select Full Feature in menu 4 or 11 3  the SMT  will use Set 1  which supports all mapping types as outlined in Table 6 2  When you select SUA Only  the  SMT will use the pre configured Set 255  read only      The Server Set is a list of LAN side servers mapped to external ports  To use this set  a server rule must be  set up inside the NAT Address Mapping set  Please see Section 6 4 for further information on these menus   To configure NAT  enter 15 from the main menu to bring up the following screen        NAT 6 7    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 15   NAT Setup    Address Mapping Sets  NAT Server Sets    Enter Menu Selection Number        Figure 6 5 Menu 15   NAT Setup    6 3 1 Address Mapping Sets  Enter 1 to bring up Menu 15 1     Address Mapping Sets     Menu 15 1   Address Mapping Sets    La  255  SUA  read only     Enter Menu Selection Number        Figure 6 6 Menu 15 1   Address Mapping Sets  SUA Address Mapping Set    Enter 255 to display the next screen  see also Section 6 2 1   The fields in this menu cannot be c
181. st published in 1999  was based on the MAC address  As the MAC address is  sent across the wireless link in clear text  it is easy to spoof and fake  Even the WEP  Wire Equivalent  Privacy  data encryption is unreliable as it can be easily decrypted with current computer speed    Deployment Issues with IEEE 802 11    User account management has become a network administrator s nightmare in a corporate environment  as  the IEEE 802 11b standard does not provide any central user account management  User access control is  done through manual modification of the MAC address table on the access point  Although WEP data  encryption offers a form of data security  you have to reset the WEP key on the clients each time you  change your WEP key on the access point     IEEE 802 1x    In June 2001  the IEEE 802 1x standard was designed to extend the features of IEEE 802 11 to support  extended authentication as well as providing additional accounting and control features  It is already  supported by Windows XP  other operating systems and a number of network devices     Advantages of the IEEE 802 1x  e User based identification that allows for roaming     e Support for RADIUS  Remote Authentication Dial In User Service  RFC 2138  2139  for  centralized user profile and accounting management on a network RADIUS server     e Support for EAP  Extensible Authentication Protocol  RFC 2486  that allows additional  authentication methods to be deployed with no changes to the access point or t
182. static route you want to configure        5 8 Remote Node Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Menu 12 1   Edit IP Static Route    Route    1   Route Name      Active  No   Destination IP Address     IP Subnet Mask      Gateway IP Address     Metric  2   Private  No    Press ENTER to Confirm or ESC to Cancel        Figure 5 7 Edit IP Static Route    The following table describes the fields for Menu 12 1   Edit IP Static Route Setup     Table 5 3 Edit IP Static Route Menu Fields                FIELD DESCRIPTION  Route   This is the index number of the static route that you chose in menu 12 1   Route Name Type a descriptive name for this route  This is for identification purpose only   Active This field allows you to activate deactivate this static route        Destination IP    This parameter specifies the IP network address of the final destination  Routing is                Address always based on network number  If you need to specify a route to a single host  use a  subnet mask of 255 255 255 255 in the subnet mask field to force the network number to  be identical to the host ID    IP Subnet Type the subnet mask for this destination  Follow the discussion on  P Subnet Mask in   Mask this manual    Gateway IP Type the IP address of the gateway  The gateway is an immediate neighbor of your   Address ZyAIR that will forward the packet to the destination  On the LAN  the gateway must be a  router on the same segment as your ZyAIR  over W
183. steccsssesscvessssutevbsessssssecesivesesecsssescveecess 14 1  14 1 Problem Starting Up the ZyAIR       cceceeccesccesecesecscecseeeseeeseeeeceesenseensecsesseceseceaeeaecnaecneeeneeenes 14 1  14 2 Problem with the Password    AAA 14 1  14 3 Problem with the Ethernet Interface  14 2  14 4 Problem with the WAN Interface                sees e nennen nennen 14 2  14 5  Problem with Internet ACCESS viii lernte terre on esa e Beda ds eere etes 14 3  14 6    Problem with Telnet    e Rr Ra ree er Ee ain 14 3  Appendix A Wireless LAN and IEEE 802  11                  eee eee eee eee ee seen eene ens tn netus tns sn netu netu seta seta conoces A  Appendix B Wireless LAN With IEEES02 1x                 eeeeeee esset eene eene n tnn tna tns tn seta stesse essen sensns ennee E  Appendix C Antenna Selection and Positioning Recommendation                         eere eese eee eene G  Appendix D PPPoE  Appendix E PP TP                                                                                        Appendix F TCP IP  Appendix G IP Subnetting q                                                    coca roo noss U  Appendix H Power Adapter Specifications              sscssccsscssscssscsssssssssssssssscsssesssssssesssesesssscessessesssessoess CC  tt E EE       X Table of Contents    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       List of Figures          Figure  1 1 Internet Access Applicator uae eer CER C R ERE ERE FHe ENS SERE YE 1 4  LEE ZYATRELO EE 2 1  Figure 2 2 ZyAIR Side 
184. t the Xmodem download has started     You can enter ctrl x to terminate operation any time   Starting XMODEM download          Figure 10 4 System Maintenance     Starting Xmodem Download Screen       10 6 Firmware and Configuration File Maintenance    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Step 3  Run the HyperTerminal program by clicking Transfer  then Receive File as shown in the  following screen         Receive File Type a location for storing the  configuration file or click Browse to    Place received file in the follows look for one     c NProduct F SCH  Use receiving protocol  Choose the Xmodem protocol   modem    Then click Receive     Figure 10 5 Backup Configuration Example                  Receiw    Step 4  After a successful backup you will see the following screen  Press any key to return to the SMT  menu        Backup Configuration completed  OK       Hit any key to continue            Figure 10 6 Successful Backup Confirmation Screen    10 3 Restore Configuration    This section shows you how to restore a previously saved configuration  Note that this function erases the  current configuration before restoring a previous back up configuration  please do not attempt to restore  unless you have a backup configuration file stored on disk     FTP is the preferred method for restoring your current computer configuration to your ZyAIR since FTP is  faster  Please note that you must wait for the system to automatically restart after the file trans
185. te  client to a private server  creating a Virtual Private Network  VPN  using TCP IP based networks     PPTP supports on demand  multi protocol  and virtual private networking over public networks  such as the  Internet  For more information on PPTP  please refer to the PPTP Appendix        3 10 Internet Access    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       3 8 IP Address Assignment    A static IP is a fixed IP that your ISP gives you  A dynamic IP is not fixed  the ISP assigns you a different  one each time  The Single User Account feature can be enabled or disabled if you have either a dynamic or  static IP  However the encapsulation method assigned influences your choices for IP Address     3 9 Internet Access Configuration    Menu 4 allows you to enter the Internet Access information in one screen  Menu 4 is actually a simplified  setup for one of the remote nodes that you can access in menu 11  Before you configure your ZyAIR for  Internet access  you need to collect your Internet account information from your ISP and telephone  company     Use the following table to record your Internet Account Information  Note that if you are using PPP or  PPPoE encapsulation  then the only ISP information you need is a login name and password     Table 3 4 Internet Account Information                      FIELD DESCRIPTION YOUR INFO  System Name Name of the ZyAIR  optional    Service Name Enter the PPPoE service name if the ISP supplies one    PPPoE  Enter    any    i
186. ter  Comments Comments    NetBIOS WAN  NetBIOS LAN    TEL FTP WEB WAN    Enter Filter Set Number to Configure  0       Figure 7 3 Menu 21     Filter Set Configuration    Step 2  Type the filter set to configure  no  1 to 12  and press  ENTER    Step 3  Type a descriptive name or comment in the Comments field and press  ENTER      Step 4  Press  ENTER  at the message    Press ENTER to confirm     to display Menu 21 1     Filter  Rules Summary  that is  1f you selected filter set 1 in menu 21      The following figures show the summary of three filter sets of your ZyAIR        Filter Configuration 7 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          1  2  3  4  5  6    AoRWNE Id       1  2  3  4  5  6    Menu 21 1   Filter Rules Summary    Filter Rules    Enter Filter Rule Number  1 6  to Configure        Figure 7 4 NetBIOS_WAN Filter Rules Summary    Menu 21 2   Filter Rules Summary  Filter Rules    Pr 17  SA 0 0 0 0  SP 137  DA 0 0 0 0  DP 53    Enter Filter Rule Number  1 6  to Confiaure        Figure 7 5 NetBIOS_LAN Filter Rules Summary    Menu 21 3   Filter Rules Summary    Filter Rules    Enter Filter Rule Number  1 6  to Configure        Figure 7 6 TEL_FTP_WEB_WAN Filter Rules Summary       Filter Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       7 2 1 Filter Rules Summary Menus    The following tables briefly describe the abbreviations used in menus 21 1 and 21 2     Table 7 1 Abbreviations Used in the Filter Rules Summary Menu 
187. th one or  many dynamic DNS services so that anyone can contact you  in NetMeeting  CU SeeMe or other services    You can also access your FTP server or Web site on your own computer using a DNS like address  for  example  myhost dhs org  where myhost is a name of your choice  which will never change instead of using  an IP address that changes each time you reconnect  Your friends or relatives will always be able to call you  even if they don t know your IP address     First of all  you need to have registered a dynamic DNS account with www dyndns org  This is for people  with a dynamic IP from their ISP or DHCP server that would still like to have a DNS name     To use this service  you must register with the Dynamic DNS service provider  The Dynamic DNS service  provider will give you a password or key  The ZyAIR supports www dyndns org  You can apply to this  service provider for Dynamic DNS service     DYNDNS Wildcard    Enabling the wildcard feature for your host causes   yourhost dyndns org to be aliased to the same IP  address as yourhost dyndns org  This feature is useful if you want to be able to use  for example   www yourhost dyndns org and still reach your hostname     2 9 2 Procedure To Configure Menu 1  Step 1  Enter 1 in the Main Menu to open Menu 1     General Setup  shown next         Menu 1   General Setup    System Name     Domain Name   Edit Dynamic DNS  No    Press ENTER to Confirm or ESC to Cancel              Figure 2 8 Menu 1     General Setup       H
188. the MAC addresses  in XX XX XX XX XX XX format  of the client computers that are       allowed or denied access to the ZyAIR in these address fields        When you have completed this menu  press  ENTER  at the prompt    Press ENTER to confirm or ESC to  cancel    to save your configuration or press  ESC  to cancel and go back to the previous screen              4 10    Wireless LAN Security Setup    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 5  Remote Node Configuration    This chapter shows you how to set up remote nodes on the WAN side     A remote node is required for placing calls to a remote gateway  A remote node represents both the remote  gateway and the network behind it across a WAN connection  When you use menu 4 to set up Internet  access  you are configuring one of the remote nodes     5 1 Remote Node Profile    Use Menu 11 Remote Node Profile to setup the remote node   From the main menu  enter 11 to display Menu 11 Remote Node Profile as shown in Figure 5 1     5 1 1 Encapsulation Scenarios  For Internet access you should use the encapsulation used by your ISP   Nailed Up Connection  PPPoE PPTP     A nailed up connection is a dial up line where the connection is always up regardless of traffic demand   The ZyAIR does two things when you specify a nailed up connection  The first is that idle timeout is  disabled  The second is that the ZyAIR will try to bring up the connection when turned on and whenever the  connection is down  A naile
189. the service request is simply discarded        6 12 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch          Many residential broadband ISP accounts do not allow you to run any server  processes  such as a Web or FTP server  from your location  Your ISP may  periodically check for servers and may suspend your account if it discovers any  active services at your location  If you are unsure  refer to your ISP        The most often used port numbers are shown in the following table  Please refer to RFC 1700 for further  information about port numbers  Please also refer to the included disk for more examples and details on  NAT     Table 6 7 Services  amp  Port Numbers                                                    SERVICES PORT NUMBER  ECHO 7  FTP  File Transfer Protocol  21  Telnet 23  SMTP  Simple Mail Transfer Protocol  25  DNS  Domain Name System  53  Finger 79  HTTP  Hyper Text Transfer protocol or WWW  Web  80  POP3  Post Office Protocol  110  NNTP  Network News Transport Protocol  119  SNMP  Simple Network Management Protocol  161  SNMP trap 162  PPTP  Point to Point Tunneling Protocol  1723       6 4 1 Configuring a Server behind NAT  Follow these steps to configure a server behind NAT     Step 1  Enter 15 in the main menu to go to Menu 15   NAT Setup   Step 2  Enter 2 to display Menu 15 2   NAT Server Sets as shown next        NAT 6 13    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Rule Start Port No     Default    0    0  0  0  0  0  0  0
190. to Confirm or ESC to Cancel        Example 3  Menu 15 2       6 20 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       6 5 4 Example 4  NAT Unfriendly Application Programs    Some applications do not support NAT Mapping using TCP or UDP port address translation  In this case it  is better to use Many One to One mapping as port numbers do not change for Many One to One  and  One to One  NAT mapping types  The following figure illustrates this     Game Player 1  192 168 1 10          Mapping Rules  1  Game Players 1 to 3  lt       gt  IGAs 1 to 3 Type  Many One to One    en    Game Player 2  192 168 1 11    INTERNET           3IGAs    10 132 50 1   IGA 1  10 132 50 2   IGA 2  10 132 50 3   IGA 3    Game Player 3  192 168 1 12    Figure 6 20 NAT Example 4       Other applications such as some gaming programs are NAT unfriendly because  they embed addressing information in the data stream  These applications won t  work through NAT even when using One to One and Many One to One mapping  types        Follow the steps outlined in example 3 to configure these two menus as follows     Menu 15 1 1 1 Address Mapping Rule    Type  Many One to One    Local IP   Start  192 168 1 10  End   192 168 1 12    Global IP   Start  10 132 50 1  End   10 132 50 3    Press ENTER to Confirm or ESC to Cancel        Figure 6 21 Example 4  Menu 15 1 1 1       NAT 6 21    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       After you   ve configured your rule  you should be able to ch
191. to define the filter sets        Hardware Installation and Initial Setup 2 17    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 3  Internet Access    This chapter shows you how to configure the LAN and WAN of your ZyAIR for Internet access     3 1 Factory Ethernet Defaults   The Ethernet parameters of the ZyAIR are preset in the factory with the following values      Ethernet IP address of 192 168 1 1 with subnet mask of 255 255 255 0  24 bits     2  DHCP server enabled with 32 client IP addresses starting from 192 168 1 33     These parameters should work for the majority of installations  If the parameters are satisfactory  you can  skip to TCP IP Ethernet Setup and DHCP to enter the DNS server address es  if your ISP gives you explicit  DNS server address es   If you wish to change the factory defaults or to learn more about TCP IP  please  read on     3 2 LANs and WANS    A LAN  Local Area Network  is a computer network limited to the immediate area  usually the same  building or floor of a building  A WAN  Wide Area Network   on the other hand  is an outside connection  to another network or the Internet     3 2 1 LANs  WANs and the ZyAIR    The actual physical connection determines whether the ZyAIR ports are LAN or WAN ports  There are two  separate IP networks  one inside  the LAN network  the other outside  the WAN network as shown next        Internet Access 3 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch        x    LAN       y      
192. to place an outgoing call over AALS to an RFC 2364  server     Control and PPP Connections  Each PPTP session has distinct control connection and PPP data connection   Call Connection    The control connection runs over TCP  Similar to L2TP  a tunnel control connection is first established  before call control messages can be exchanged  Please note that a tunnel control connection supports  multiple call sessions     The following diagram depicts the message exchange of a successful call setup between a PC and an ANT        Start Control Connection Request    gt           a   Start Control Connection Reply         Outgoing Call Request   gt               Outgoing Call Reply      PPP Frames d PPP Frames     Diagram 8 Example Message Exchange between PC and an ANT                L PPTP    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       PPP Data Connection    The PPP frames are tunneled between the PNS and PAC over GRE  General Routing Encapsulation  RFC  1701  1702   The individual calls within a tunnel are distinguished using the Call ID field in the GRE    header        PPTP    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Appendix F  TCP IP    All computers must have a 10M or 100M Ethernet adapter card and TCP IP installed  Use straight through  Ethernet cables to connect your computer s Ethernet adapter to a hub or switch and to connect the hub or  switch to the ZyAIR s LAN port  Otherwise  connect your computer s Ethernet adapter directly to the LAN
193. uired for communication with hosts on other networks  It replaces the original IP source address  and  TCP or UDP source port numbers for Many to One and Many to Many Overload NAT mapping  in each  packet and then forwards it to the Internet  The ZyAIR keeps track of the original addresses and port  numbers so incoming reply packets can have their original values restored  The following figure illustrates  this        6 2 NAT    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       NAT Table          Inside Local Inside Global  IP Address IP Address  LAN 192 168 1 10 IGA 1 WAN  192 168 1 11 IGA 2  192 168 1 12 IGA 3  Computer IP   192 168 1 13 IGA 4  192 168 1 13       Computer IP    192 168 1 12         Computer IP      192 168 1 11 Inside Global    Addresses  IGA     Inside Local  Addresses  ILA     Computer IP    192 168 1 10    Figure 6 1 How NAT Works    6 1 4 NAT Application    The following figure illustrates a possible NAT application  where three inside LANs  logical LANs using  IP Alias  behind the ZyAIR can communicate with three distinct WAN networks  More examples follow at  the end of this chapter        NAT 6 3    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       LANI  192 168 1 X    Network Server Serverin     Admin      192 168 1 2 Admin Network    PC2 PC3  IP 1  IGA 1  Corporation A     l PC3 PC2  NT Server     ll  192 168 1 1   j PC4     Pes    Corporation B             PC1  Ro A PC 2 Server in  Sales Network    Ss a A C INFERNET    gt  wand z
194. up    Rule Start Port No  End Port No  IP Address    Default Default    Hn    000000000    0  0  0  0  0  0  0  0  0  0  al    0  0  0  0  0  0  0  0  0  0  L    uUoooooooooo    027 027    Press ENTER to Confirm or ESC to Cancel        Figure 6 15 Menu 15 2 1   Specifying an Inside Server       NAT 6 17    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       6 5 3 Example 3  Multiple Public IP Addresses With Inside Servers    In this example  there are 3 IGAs from our ISP  There are many departments but two have their own FTP  server  All departments share the same router  The example will reserve one IGA for each department with  an FTP server and all departments use the other IGA  Map the FTP servers to the first two IGAs and the  other LAN traffic to the remaining IGA  Map the third IGA to an inside web server and mail server  Four  rules need to be configured  two bi directional and two uni directional as follows     Rule 1  Map the first IGA to the first inside FTP server for FTP traffic in both directions  1   1  mapping  giving both local and global IP addresses      Rule 2  Map the second IGA to our second inside FTP server for FTP traffic in both directions  1   1  mapping  giving both local and global IP addresses      Rule 3  Map the other outgoing LAN traffic to IGA3  Many   1 mapping      Rule 4  You also map your third IGA to the web server and mail server on the LAN  Type Server  allows you to specify multiple servers  of different types  to other compute
195. ur ZyAIR  it performs several internal tests as well as line initialization  After the  initialization  the ZyAIR asks you to press  ENTER  to continue  as shown        Copyright  c  1994   2002 ZyXEL Communications Corp   initialize ch  0  ethernet address  00 A0 C5 00 15 37  initialize ch  1  ethernet address  00 A0 C5 00 15 38  initialize ch  2  ethernet address  00 A0 C5 00 15 37  Press ENTER to continue                Figure 2 3 Power On Display    2 5 5 Entering Password    The login screen appears after you press  ENTER   prompting you to enter the password  as shown next     For your first login  enter the default password    1234     As you type the password  the screen displays an     x    for each character you type     Please note that if there is no activity for longer than five minutes after you log in  your ZyAIR will  automatically log you out and will display a blank screen  If you see a blank screen  press  ENTER  to  display the login screen again        Enter Password   XXXX             Figure 2 4 Login Screen       Hardware Installation and Initial Setup 2 7    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       2 6 Resetting the ZyAIR    If you forget your password or cannot access the ZyAIR  you will need to reload the factory default  configuration file  Uploading this configuration file replaces the current configuration file with the factory   default configuration file  This means that you will lose all configurations that you had previously 
196. ve  two or more ZyAIRs on the same subnet            Port   Enter the port number to communicate roaming information between access points  The  port number must be the same on all access points  The default is 16290  Make sure this  port is not used by other services           When you have completed this menu  press  ENTER  at the prompt    Press ENTER to confirm or ESC to  cancel    to save your configuration or press  ESC  to cancel and go back to the previous screen                 Internet Access 3 19    Advanced Applications             Part II           ADVANCED APPLICATIONS    This part shows how to configure Wireless Security  Remote Node  Remote Node TCP IP and  NAT     l__                                                                                                                                                                                     4          ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Chapter 4  Wireless LAN Security Setup    This chapter describes the types of security you can enable on the ZyAIR     4 1 Levels of Security    Wireless security is vital to your network to protect wireless communication between wireless clients   access points and other wireless     The figure below shows the possible wireless security levels on your ZyAIR  The highest security level is  EAP  Extensible Authentication Protocol  authentication  It requires interaction with a RADIUS  Remote  Authentication Dial In User Service  server either on the W
197. verage for an entire building or campus  All communications between   stations or between a station and a wired network client go through the access point     The Extended Service Set  ESS  shown in the next figure consists of a series of overlapping BSSs  each  containing an access point  connected together by means of a Distribution System  DS   Although the DS       Wireless LAN and IEEE 802 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       could be any type of network  it is almost invariably an Ethernet LAN  Mobile nodes can roam between  access points and seamless campus wide coverage is possible           Desktop with  Ethernet NIC    Ethernet    Notebook with     i Wireless N  Desktop with i  Wireless NIC i  i  i          1    Desktop with  1  i  i  i             Wireless NIC Access Point am  BSS1    BSS2 hi  j         i      Desktop with    Wirelegs NIC    A      amp      TERM P d N Fd Mi  Desktop with ZU LM ESS Ba KN  Wireless NIC P o Lt oi _ Meer  c ig      Notebook with  Wireless NIC    Diagram 2 ESS Provides Campus Wide Coverage       Wireless LAN and IEEE 802 11    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Appendix B  Wireless LAN With IEEE802 1x    As wireless networks become popular for both portable computing and corporate networks  security is now  a priority     Security Flaws with IEEE 802 11    Wireless networks based on the original IEEE802 11 have a poor reputation for safety  The IEEE802 11b  wireless access standard  fir
198. verage within the RF beam width  Higher  antenna gain improves the range of the signal for better communications     For an indoor site  each 1 dB increase in antenna gain results in a range increase of approximately  2 5   For an unobstructed outdoor site  each 1dB increase in gain results in a range increase of  approximately 5   Actual results may vary depending on the network environment     Antenna gain is sometimes specified in dBi  which is how much the antenna increases the signal power  compared to using an isotropic antenna  An isotropic antenna is a theoretical perfect antenna that sends  out radio signals equally well in all directions  dBi represents the true gain that the antenna provides     Types of Antennas For WLAN  There are two types of antennas used for wireless LAN applications     e Omni directional antennas send the RF signal out in all directions on a horizontal plane  The  coverage area is torus shaped  like a donut  which makes these antennas ideal for a room  environment  With a wide coverage area  it is possible to make circular overlapping coverage areas  with multiple access points     e Directional antennas concentrate the RF signal in a beam  like a flashlight  The angle of the beam  width determines the direction of the coverage pattern  typically ranges from 20 degrees  less       Antenna Selection and Positioning Recommendation G    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       directional  to 90 degrees  very directional   The
199. vice Provider  This information is MyISP  for identification purposes only        Encapsulation Press  SPACE BAR  to select the method of encapsulation used Ethernet  by your ISP  Choices are PPPoE  PPP or Ethernet        Service Type   This field is available if you select the Ethernet encapsulation  Standard  Press  SPACE BAR  to select the service type then press  ENTER      Choose a RoadRunner flavor if your ISP is using Time Warner s  RoadRunner  otherwise choose Standard  The User Name   Password and Login Server fields are not applicable  N A  for the  latter     Choose from Standard  Telstra  RoadRunner Telstra or BigPond  authentication method   RR Manager  RoadRunner Manager   authentication method  or RR Toshiba  RoadRunner Toshiba  authentication method                        3 12 Internet Access    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Table 3 5 Internet Access Setup Menu Fields       FIELD DESCRIPTION EXAMPLE       My Login   Configure the My Login and My Password fields for PPP and N A  PPPoE encapsulation only  Enter the login name that your ISP gives  you  If you are using PPPoE encapsulation  then this field must be  of the form user domain where domain identifies your PPPoE  service name                 My Password   Enter the password associated with the login name above  N A  Login Server   Enter the IP address of the login server in dotted decimal notation  10 11 12 13  IP Address Press  SPACE BAR  and then  ENTER  to select Static o
200. ware        Quick Installation Guide    Our Quick Installation Guide 1s designed to help you get up and running right away  It contains a  detailed easy to follow connection diagram  default settings  handy checklists and information on  setting up your network and configuring for Internet access        ZyXEL Web Site       Preface xvii    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       The ZyXEL download library at www zyxel com contains additional support documentation  Please  also refer to www zyxel com for an online glossary of networking terms     Syntax Conventions    e    Type    means for you to type one or more characters and press the carriage return     Select    or    Choose     means for you to use one predefined choices     e The SMT menu titles and labels are in Bold Times New Roman font  Predefined field choices are in  Bold Arial font  Command and arrow keys are enclosed in square brackets   ENTER  means the Enter   or carriage return key   ESC  means the Escape key and  SPACE BAR  means the Space Bar     e For brevity   s sake  we will use    e g      as a shorthand for    for instance     and    i e      for    that is    or    in  other words    throughout this manual     e The ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch may be referred to as the ZyAIR B 2000  or  simply  as the ZyAIR in this user   s guide        xviii Preface    Getting Started             Part I           GETTING STARTED      This part is structured as a step by ste
201. when connecting to such an implementation     5 1 3 Remote Node Setup    For the TCP IP parameters  perform the following steps to edit Menu 11 3   Remote Node Network Layer  Options        5 4 Remote Node Configuration    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Move the cursor to the Edit IP field  press  SPACE BAR  to select Yes  then press  ENTER  to display    Menu 11 3     Remote Node Network Layer Options shown below     Menu 11 3   Remote Node Network Layer Options    IP Address Assignment  Static  Rem IP Addr  0 0 0 0   Rem Subnet Mask  0 0 0 0   My WAN Addr  0 0 0 0    Network Address Translation  None  Metric  1  Private  No  RIP Direction  None  Version  N A  Multicast  None    Enter here to CONFIRM or ESC to CANCEL        Figure 5 2 Remote Node Network Layer Options    The next table explains fields in Menu 11 3   Remote Node Network Layer Options     Table 5 2 Remote Node Network Layer Options                                        FIELD DESCRIPTITON EXAMPLE  IP Address Press  SPACE BAR  and then  ENTER  to select Dynamic if the remote Static  Assignment node is using a dynamically assigned IP address or Static if it is using a  static  fixed  IP address  You will only be able to configure this in the  ISP node  also the one you configure in menu 4   all other nodes are  set to Static   Rem IP Addr This is the IP address you entered in the previous menu   Rem Subnet Type the subnet mask assigned to the remote node   Mask  My WAN Addr Some imple
202. wireless stations on the network and vice versa        Coverage area of AP 2          Y roams between   Y access points while      Y   _ Maintaining uninterrupted  e   network connectivity    Figure 3 10 Roaming Example    The steps below describe the roaming process     Step 1  As wireless station Y moves from the coverage area of access point AP 1 to that of acces point  AP 2  it scans and uses the signal of access point AP 2     Step 2  Access point AP 2 acknowledges the pressence of wireless station Y and relays this  information to access point AP 1 through the wired LAN     Step 3  Access point AP 1 updates the new position of wireless station      Step 4  Wireless station Y sends a request to access point AP 2 for reauthentication     3 11 4 Requirements for Roaming  The following requirements must be met in order for wireless stations to roam between the coverage areas   1  All the access points must be on the same subnet and configured with the same ESSID     2  IfIEEE 802 1x user authentication is enabled and to be done locally on the access point  the new  access point must have the user profile for the wireless station        Internet Access 3 17    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       3  The adjacent access points should use different radio channels when their coverage areas overlap   4  All access points must use the same port number to relay roaming information     5  The access points must be connected to the Ethernet and be able to get I
203. your ZyAIR    Step 3  Press  ENTER  when prompted for a username    Step 4  Enter your password as requested  the default is    1234        Step 5  Enter    bin    to set transfer mode to binary    Step 6  Find the    rom    file  on your computer  that you want to restore to your ZyAIR     Step 7  Use    put    to transfer files from the ZyAIR to the computer  for example     put config rom rom   0  transfers the configuration file  config rom  on your computer to the ZyAIR  See earlier in  this chapter for more information on filename conventions     Step 8  Enter  quit  to exit the ftp prompt  The ZyAIR will automatically restart after a successful  restore process        10 8 Firmware and Configuration File Maintenance    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       10 3 2 Restore Using FTP Session Example    ftp gt  put config rom rom 0   200 Port command okay   150 Opening data connection for STOR rom 0  226 File received OK    221 Goodbye for writing flash  ftp  16384 bytes sent in 0 06Seconds 273 07Kbytes sec   ftp gt quit       Figure 10 8 Restore Using FTP Session Example    Refer to section 10 2 5 to read about configurations that disallow TFTP and FTP over WAN     10 3 3 Restore Via Console Port    Restore configuration via console port by following the HyperTerminal procedure shown next  Procedures  using other serial communications programs should be similar     Step 1  Display menu 24 6 and enter    y    at the following screen     Ready to restor
204. your ZyAIR a cost effective and viable network solution  You  can connect up to four computers to the LAN ports on you ZyAIR without the cost of a hub     10 100M Auto negotiation Ethernet Fast Ethernet Interface    This auto negotiation feature allows the ZyAIR to detect the speed of incoming transmissions and adjust  appropriately without manual intervention  It allows data transfer of either 10 Mbps or 100 Mbps in either  half duplex or full duplex mode depending on your Ethernet network     IEEE 802 11b 11 Mbps Wireless LAN    The 11 Mbps wireless LAN provides wireless mobility and a fast network environment for small and home  offices  Computers with IEEE 802 11b wireless NICs  Network Interface Cards  can connect to the local  area network without any wiring efforts and enjoy reliable high speed connectivity        Getting To Know Your ZyAIR 1 1    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch       Wireless LAN MAC Address Filtering    MAC Address Filtering together with ESSID  Extended Service Set IDentifier   WEP  Wired Equivalent  Privacy  and IEEE 802 1x to ensure wireless network security     IEEE 802 1x for Network Security    Your ZyAIR supports the IEEE 802 1x standard that works with the IEEE 802 11 to enhance user  authentication  With the local user profile  the ZyAIR allows you to configure up 32 user profiles without a  network authentication server  In addition  centralized user and accounting management is possible on an  optional network authenti
205. zed DHCP server  The ZyAIR has built in DHCP server  capability  enabled by default  which means it can assign IP addresses  an IP default gateway and DNS  servers to Windows 95  Windows NT and other systems that support the DHCP client  The ZyAIR can also  act as a surrogate DHCP server where it relays IP address assignment from the actual DHCP server to the  clients     IP Pool Setup    The ZyAIR is pre configured with a pool of 32 IP addresses starting from 192 168 1 33 to 192 168 1 64 for  the client machines  This leaves 31 IP addresses  192 168 1 3 to 192 168 1 32  excluding the ZyAIR itself  which has a default IP of 192 168 1 1  for other server machines  for example  server for mail  FTP  telnet   web  etc   that you may have     DNS Server Address    DNS  Domain Name System  is for mapping a domain name to its corresponding IP address and vice versa   for example  the IP address of www zyxel com 1s 204 217 0 2  The DNS server is extremely important  because without it  you must know the IP address of a machine before you can access it  The DNS server  addresses that you enter in the DHCP setup are passed to the client machines along with the assigned IP  address and subnet mask     There are two ways that an ISP disseminates the DNS server addresses  The first is for an ISP to tell a  customer the DNS server addresses  usually in the form of an information sheet  when s he signs up  If your  ISP does give you the DNS server addresses  enter them in the DNS Server fi
206. zyxel com  AMERICA 800 255 4101    sales zyxel com  1 714 632 0858 ftp zyxel com  SCANDINAVIA support zyxel dk  45 3955 0700 www zyxel dk  a sales zyxel dk  45 3955 0707 ftp zyxel dk  GERMANY support zyxel de  49 2405 6909 0 www zyxel de  sales zyxel de  49 2405 6909 99    ZyXEL Communications Corp    6 Innovation Road ll  Science   Based Industrial Park  Hsinchu  300  Taiwan     ZyXEL Communications Inc    1650 Miraloma Avenue   Placentia  CA 92870  U S A     ZyXEL Communications A S   Columbusvej 5  2860 Soeborg   Denmark     ZyXEL Deutschland GmbH   Adenauerstr  20 A4 D 52146  Wuerselen  Germany          Customer Support    ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch    Table of Contents    OO E ii  Federal Communications Commission  FCC  Interference Statement                               c ecce eee eere iii  ZyXEL Limited Warranty                       iv  Customer SUDDO TL E v  AN O xi  List Of Tables                                                                         PP       Xv  List Of Diagram  C                                                            M                          rss xvi  IN xvii  GETTING STARTED NEE I  Chapter 1 Getting To Know Your ZyAIR                  4  cene eerte ee eene eren etn erento sssr tostio ros    ves ta seta sese ta sto naso 1 1  1 1 ZyAIR B 2000 Wireless LAN Gateway with 4 Port Switch    1 1   Ki Features of the Zy AUR Gros nae PONCII NUR aue tm esten 1 1   I 3    Application for the ZyAIR mienste dE EO PRO e OBEN GRE 
    
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