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SMC SMC2552W-G WLAN access point

1. Sensitivity IEEE 802 11g Data Rate Sensitivity dBm 6 Mbps 88 9 Mbps 87 12 Mbps 86 17 Mbps 85 24 Mbps 81 36 Mbps 77 48 Mbps 72 54 Mbps 70 IEEE 802 11b Data Rate Sensitivity dBm 1 Mbps 93 2 Mbps 90 5 5 Mbps 90 11 Mbps 87 C 4 Transmit Power General Specifications IEEE 802 11g Maximum Output Power GHz dBm Data Rate 2 412 2 417 2 467 2 472 6 Mbps 20 20 18 9 Mbps 20 20 18 12 Mbps 20 20 18 18 Mbps 20 20 18 24 Mbps 20 20 18 36 Mbps 18 19 17 48 Mbps 17 16 15 54 Mbps 15 14 13 IEEE 802 11b Maximum Output Power GHz dBm Data Rate 2 412 2 417 2 467 2 472 1 Mbps 15 16 15 2 Mbps 15 16 15 5 5 Mbps 15 16 15 11 Mbps 15 16 15 C 5 Specifications C 6 Glossary 10BASE T IEEE 802 3 specification for 10 Mbps Ethernet over two pairs of Category 3 or better UTP cable 100BASE TX IEEE 802 3u specification for 100 Mbps Fast Ethernet over two pairs of Category 5 or better UTP cable Access Point A networking device that seamlessly connects wired and wireless networks Access points attached to a wired network support the creation of multiple radio cells that enable roaming throughout a facility Ad Hoc A group of computers connected as an independent wireless network without an access point Advanced Encryption Standard AES An encryption algorithm that implements symmetric k
2. Event Logs Shows log messages stored in memory 5 66 Access Point Status The AP Status window displays basic system configuration settings as well as the settings for the wireless interface SMC Networks Mion AP Status MAP Status Stations Status Event Logs 0 days 1 hours 55 minutes 4 seconds 00 04 E2 A6 9E 49 Enterprise AP Contact 192 168 2 2 0 0 0 0 ENABLED 80 v2 0 22 smc DISABLED gt gt v u S A 3 o g o ai a a E Bi E3 S S i Radio 802 11big Configuration 10 DISABLED OPEN AP System Configuration The AP System Configuration table displays the basic system configuration settings 5 61 System Configuration 5 62 e System Up Time Length of time the management agent has been up e MAC Address The physical layer address for this device e System Name Name assigned to this system e System Contact Administrator responsible for the system e IP Address IP address of the management interface for this device e IP Default Gateway IP address of the gateway router between this device and management stations that exist on other network segments e HTTP Server Shows if management access via HTTP is enabled e HTTP Server Port Shows the TCP port used by the HTTP interface e Version Shows the version number for the runtime code AP Wireless Configuration The AP Wireless Configuration table displays the 802
3. 00 00 eee eee eee 6 48 show radius 00 000 eee eee 6 49 802 1x Port Authentication 2 0000 6 50 BI ae T tame eae eS 6 51 802 1x broadcast key refresh rate 6 52 802 1x session key refresh rate 22222220 6 53 802 1x session timeout 0 0 0 eee eee 6 54 address filter default 0 00 02 cee eee eee 6 54 address filter entry 222222 6 55 TABLE OF CONTENTS xiv address filter delete annann 6 56 mac authentication server 222 222 6 57 mac authentication session timeout 6 58 show authentication 200000 cee ee eee 6 59 Filtering Commands 2222022 eee eee nenn 6 60 filter local bridge 2222 22er 6 60 filter ap manage 222m n een een nn 6 61 filter ethernet type enable 0 000 6 62 filter ethernet type protocol 2 22 22 6 63 ShOW fltErS as erraten 6 64 Interface Commands 222222 eee ernennen 6 65 interface 34 ee Le ee Re eee 6 68 dAS SVEP a n ar ee paige ed a beeen pede oe 6 68 ip address u 2 0 ee ee nn 6 69 IPN CD ee A re Se Seen ae Bead a 6 71 shufdown 2200 hae Doe ae RO Eee 6 72 show interface ethernet 222222 6 72 radio mode 2 22 22 eenn ees 6 73 select antenna mode 22222 2ee ernennen 6 74 description bo an eben 6 75 ssid broadcast 2222er 6 75 spoed ec nn a eh 6 76 Channels ae ele ee ee ae 6
4. 6 71 Command Line Interface Related Commands ip address page 6 69 shutdown This command disables the Ethernet interface To restart a disabled interface use the no form Syntax shutdown no shutdown Default Setting Interface enabled Command Mode Interface Configuration Ethernet Command Usage This command allows you to disable the Ethernet port due to abnormal behavior e g excessive collisions and reenable it after the problem has been resolved You may also want to disable the Ethernet port for security reasons Example The following example disables the Ethernet port SMC AP if ethernet shutdown SMC AP if ethernet show interface ethernet This command displays the status for the Ethernet interface Syntax show interface ethernet 6 72 Interface Commands Default Setting Ethernet interface Command Mode Exec Example SMC AP show interface ethernet Ethernet Interface Information IP Address v 12168 222 Subnet Mask 2250425542550 Default Gateway 0 0 0 0 Primary DNS Loe 168 1 So Secondary DNS se Oe 1 0555 Admin status Up Operational status Up SMC AP radio mode This command sets the working mode for the wireless interface Syntax radio mode lt b g b g gt e b b only mode Both 802 11b and 802 11g clients can communicate with the access point but 802 11g clients can only transfer data at 802 11b standard rates up to 11 Mbps
5. 5 59 System Configuration CLI Commands for WPA over 802 1x Security From the 802 11g interface configuration mode use the authentication command to set the access point to Open System Use the WEP encryption command to enable all types of encryption Use the wpa clients command to set WPA to be required or supported for clients Use the wpa mode command to enable WPA dynamic keys over 802 1x Set the broadcast and multicast key encryption using the multicast cipher command Then set 802 1x to required and disable MAC authentication To view the current 802 11g security settings use the show interface wireless g command not shown in example SMC AP config interface wireless g 6 68 Enter Wireless configuration commands one per line SMC AP if wireless g authentication open 6 82 SMC AP if wireless g encryption 128 6 83 SMC AP if wireless g wpa clients required 6 89 SMC AP if wireless g wpa mode dynamic 6 91 SMC AP if wireless g multicast cipher TKIP 6 88 SMC AP if wireless g end SMC AP config 802 required 6 51 SMC AP config no mac authentication 6 57 5 60 Status Information Status Information The Status page includes information on the following items Menu Description Page AP Status Displays configuration settings for the basic 5 61 system and the wireless interface Station Status Shows the wireless clients currently 5 64 associated with the access point
6. e g g only mode Only 802 11g clients can communicate with the access point e b g b amp g mixed mode Both 802 11b and 802 11g clients can communicate with the access point Default Setting b amp g mixed mode 6 73 Command Line Interface Command Mode Interface Configuration Wireless g Example SMC AP config interface wireless g SMC AP if wireless g radio mode g SMC AP if wireless g select antenna mode This command selects the built in antennas or an optional high gain antenna attached to the socket on the right antenna Syntax select antenna mode lt diversity right antenna gt e diversity Selects the built in antennas The transmitted signal is sent out both antennas and the antenna with the best incoming signal is used for reception e right antenna The right antenna is used both for transmission and reception Use this setting when an optional high gain antenna is attached to the access point Default Setting diversity Command Mode Interface Configuration Wireless g Example SMC AP config interface wireless g SMC AP if wireless g select antenna mode right SMC AP if wireless g 6 74 Interface Commands description This command adds a description to a the wireless interface Use the no form to remove the description Syntax description lt string gt no description string Comment or a description for this interface Range 1 80 charac
7. or the leading letter of the file name should not be a period and the maximum length for file names is 32 characters Valid characters A Z a z 0 9 _ e Ifthe file contains an error it cannot be set as the default file Example SMC AP bootfile smc img bin SMC AP 6 41 Command Line Interface copy This command copies a boot file code image or configuration file between the access point s flash memory and a FTP TFTP server When you save the configuration settings to a file ona FTP TFTP server that file can later be downloaded to the access point to restore system operation The success of the file transfer depends on the accessibility of the FTP TFTP server and the quality of the network connection Syntax copy lt ftp tftp gt file copy config lt ftp tftp gt ftp Keyword that allows you to copy to from an FTP server tftp Keyword that allows you to copy to from a TFTP server file Keyword that allows you to copy to from a flash memory file config Keyword that allows you to upload the configuration file from flash memory Default Setting None Command Mode Exec Command Usage e The system prompts for data required to complete the copy command e Only a configuration file can be uploaded to an FTP TFTP server but every type of file can be downloaded to the access point e The destination file name should not contain slashes or the leading letter
8. SMC AP if wireless g rts threshold 256 SMC AP if wireless g authentication This command defines the 802 11 authentication type allowed by the access point Syntax authentication lt open shared gt e open Accepts the client without verifying its identity using a shared key shared Authentication is based on a shared key that has been distributed to all stations Default Setting open Command Mode Interface Configuration Wireless Command Usage Shared key authentication can only be used when WEP is enabled with the encryption command and at least one static WEP key has been defined with the key command e When using WPA or 802 1x for authentication and dynamic keying the access point must be set to open 6 82 Interface Commands Example SMC AP if wireless g authentication shared SMC AP if wireless g Related Commands encryption page 6 83 key page 6 84 encryption This command defines whether or not WEP encryption is used to provide privacy for wireless communications Use the no form to disable encryption Syntax encryption lt key length gt no encryption key length Size of encryption key Options 64 128 or 152 bits Default Setting disabled Command Mode Interface Configuration Wireless Command Usage e Wired Equivalent Privacy WEP is implemented in this device to prevent unauthorized access to your wireless network For more secure
9. admin and password smcadmin When the home page displays click on Advanced Setup The following page will display SMC Networks SYSTEM Identification Advanced Setup E LEENT Senge Advanced setup is designed for advanced users After modification click Apply to save Radius the changes Authentication Filter Control SNMP Administration System Log ee A Logou 802 11big Interface Radio Settings s an 5 1 System Configuration The information in this chapter is organized to reflect the structure of the web screens for easy reference However we recommend that you configure a user name and password as the first step under advanced configuration to control management access to this device page 5 28 Advanced Configuration 5 2 The Advanced Configuration pages include the following options Menu Description Page System Configures basic administrative and client access 5 4 Identification Specifies the host name and Service Set Identifier SSID 5 4 TCP IP Settings Configures the IP address subnet mask gateway and domain name servers 5 6 Radius Configures the RADIUS server for wireless client authentication 5 9 Authentication Configures 802 1x client authentication with an option for MAC address authentication Filter Control Filters communications between wireless clients access to the manag
10. 20 characters Contact A text string that describes the system contact Maximum length 255 characters Community Name Read Only Defines the SNMP community access string that has read only access Authorized management stations are only able to retrieve MIB objects Maximum length 23 characters case sensitive Community Name Read Write Defines the SNMP community access string that has read write access Authorized management stations are able to both retrieve and modify MIB objects Maximum length 23 characters case sensitive Trap Destination IP Address Specifies the recipient of SNMP notifications Enter the IP address or the host name Host Name 1 to 20 characters Trap Destination Community Name The community string sent with the notification operation Maximum length 23 characters Advanced Configuration CLI Commands for SNMP Use the snmp server enable server command from the global configuration mode To set read write and read only community names use the snmp server community command Use the snmp server location and snmp server contact commands to indicate the physical location of the access point and define a system contact The snmp server host command defines a trap receiver host To view the current SNMP settings use the show snmp command SMC AP config snmp server enable server 6 37 SMC AP config snmp server community alpha rw 6 35 SMC AP config snmp server community bet
11. DNS RADIUS or other network servers located on another subnet type the IP address of the default gateway router in the text field provided Otherwise leave the address as all zeros 0 0 0 0 Primary and Secondary DNS Address The IP address of Domain Name Servers on the network A DNS maps numerical IP addresses to domain names and can be used to identify network hosts by familiar names instead of the IP addresses If you have one or more DNS servers located on the local network type the IP addresses in the text fields provided Otherwise leave the addresses as all zeros 0 0 0 0 5 7 System Configuration CLI Commands for TCP IP Settings From the global configuration mode enter the interface configuration mode with the interface ethernet command Use the ip dhcp command to enable the DHCP client or no ip dhep to disable it To manually configure an address specify the new IP address subnet mask and default gateway using the ip address command To specify DNS server addresses use the dns server command Then use the show interface ethernet command from the Exec mode to display the current IP settings SMC A Enter SMC A SMC A SMC A SMC A SMC A SMC A P config interface ethernet P if ethernet no ip dhcp P if ethernet ip address 192 168 1 2 255 255 255 0 192 168 1 253 P if ethernet dns primary server 192 168 1 55 P if ethernet dns secondary server 10 1 0 55 P config end P Show i
12. SNMP Administration System Log if Username The name of the user The default name is admin Length 3 16 characters case sensitive New Password The password for management access Length 3 16 characters case sensitive Advanced Configuration Confirm New Password Enter the password again for verification CLI Commands for the User Name and Password Use the username and password commands from the CLI configuration mode SMC AP config username bob 6 21 SMC AP config password smcadmin 6 22 SMC AP 5 29 System Configuration 5 30 Upgrading Firmware You can upgrade new SMC2552W G software from a local file on the management workstation or from an FTP or TFTP server New software may be provided periodically on SMC s web site http www smc com After upgrading new software you must reboot the SMC2552W G to implement the new code Until a reboot occurs the SMC2552W G will continue to run the software it was using before the upgrade started Also note that rebooting the access point with new software will reset the configuration to the factory default settings SIMIC Networks Bibione A Logout SYSTEM Firmware Upgrade Identification 2 0 22 TCPAP Settings oon Radius Authentication Filter Control 822i Laie CSS e Administration System Log Sten Unoteds 802 11big Interface ita Radio Settings FTP TFTP Securit
13. The cord set must have a rated current capacity of at least 10A The attachment plug must be an earth grounding type with NEMA 5 15P 15 A 125 V or NEMA 6 15P 15 A 250 V configuration Denmark The supply plug must comply with Section 107 2 D1 Standard DK2 1a or DK2 5a COMPLIANCES Power Cord Set Switzerland The supply plug must comply with SEV ASE 1011 U K The supply plug must comply with BS1363 3 pin 13 A and be fitted with a 5 A fuse which complies with BS1362 The mains cord must be lt HAR gt or lt BASEC gt marked and be of type HO3VVF3GO 75 minimum Europe The supply plug must comply with CEE7 7 SCHUKO The mains cord must be lt HAR gt or lt BASEC gt marked and be of type HOSVVF3GO 75 minimum IEC 320 receptacle vii COMPLIANCES viii Veuillez lire fond l information de la s curit suivante avant d installer le Switch AVERTISSEMENT Linstallation et la d pose de ce groupe doivent tre confi s un personnel qualifi Ne branchez pas votre appareil sur une prise secteur alimentation lectrique lorsqu il n y a pas de connexion de mise la terre mise la masse Vous devez raccorder ce groupe une sortie mise la terre mise la masse afin de respecter les normes internationales de s curit Le coupleur d appareil le connecteur du groupe et non pas la prise murale doit respecter une configuration qui perm
14. The primary and secondary name servers are queried in sequence Example This example specifies two domain name servers SMC AP if ethernet dns primary server 192 168 1 55 SMC AP if ethernet dns secondary server 10 1 0 55 SMC AP if ethernet Related Commands show interface ethernet page 6 72 ip address This command sets the IP address for the 10 100Base TX Ethernet interface Use the no form to restore the default IP address Syntax ip address lt ip address gt lt netmask gt lt gateway gt no ip address e ip address IP address e netmask Network mask for the associated IP subnet This mask identifies the host address bits used for routing to specific subnets e gateway IP address of the default gateway 6 69 Command Line Interface Default Setting IP address 192 168 2 2 Netmask 255 255 255 0 Command Mode Interface Configuration Ethernet Command Usage e DHCP is enabled by default To manually configure a new IP address you must first disable the DHCP client with the no ip dhcp command e You must assign an IP address to this device to gain management access over the network or to connect the access point to existing IP subnets You can manually configure a specific IP address using this command or direct the device to obtain an address from a DHCP server using the ip dhcp command Valid IP addresses consist of four numbers 0 to 255 separated by periods Anything outside t
15. US Canada ETSI 2 4 2 497 GHz Japan Specifications C 2 Power supply Input 100 240 AC 50 60 Hz Output 3 3 VDC 4A Power consumption 13 2 watts PoE DC Input voltage 48 volts 0 27A 12 96 watts Note Power can also be provided to the access point through the Ethernet port based on IEEE 802 3af Power over Ethernet PoE specifications When both PoE is provided and the adapter is plugged in PoE will be turned off Physical Size 21 83 x 13 73 x 3 27 cm 8 60 x 5 40 x 1 29 in Weight 0 80 kg 1 76 Ibs LED Indicators PWR Power LAN Ethernet Link Activity WLAN Wireless Link Activity Network Management Web browser RS232 console Telnet SNMP Temperature Operating 0 to 40 C 32 to 104 F Storage 0 to 70 C 32 to 158 F Humidity 15 to 95 non condensing Compliances IEC 61000 4 2 3 4 6 11 General Specifications EMC Compliance Class B FCC Class B US ICES 003 Canada VCCI Japan RCR STD 33A Radio Signal Certification FCC Part 15 247 2 4GHz FCC part 15 15 407 b CISPR 22 96 RSS 210 Canada EN 55022 EN55024 EN 300 328 EN 300 826 EN 61000 3 2 EN61000 3 3 ETSI300 328 ETS 300 826 802 11b MPT RCR std 33 D33 1 13 Channel T66 Channel 14 Safety CSA NTRL CSA 22 2 No 950 amp UL 1950 EN60950 TUV GS IEC60950 CB LVD EN 60950 Standards IEEE 802 3 10BASE T IEEE 802 3u 100BASE TX IEEE 802 11b g C 3 Specifications
16. encryption command to enable WEP encryption Use the multicast cipher command to select WEP cipher type To enter WEP keys use the key command and then set one key as the transmit key using the transmit key command Then disable 802 1x port authentication with the 802 1x command To view the current security settings use the show interface wireless g command SMC AP config interface wireless g 6 68 Enter Wireless configuration commands one per line SMC AP if wireless g authentication shared 6 82 SMC AP if wireless g encryption 128 6 83 SMC AP if wireless g multicast cipher wep 6 88 SMC AP if wireless g key 1 128 ascii abcdeabcdeabc 6 84 SMC AP if wireless g transmit key 1 6 85 SMC AP if wireless g end SMC AP config no 802 1x 6 51 SMC AP config end SMC AP show interface wireless g 6 95 Wireless Interface 802 11g Information Description Enterprise 802 11g Access Point SSID r amp d Channel 11 AUTO Status Enable Be n ak En at en usa gen 802 01 Parameters 2 27373 5243533325557 Transmit Power HALF 10 dBm Max Station Data Rate 54Mbps Fragmentation Threshold 2346 bytes RTS Threshold 2347 bytes Beacon Interval 100 TUs DTIM Interval 2 beacons Maximum Association 32 stations 5 52 Radio Interface Security SSID Broadcast DISABLED Multicast cipher TKIP Unicast cipher WEP WPA clients SUPPORTED Encryp
17. fragment size to send smaller fragments This will speed up the retransmission of smaller frames However it is more efficient to set the fragment size larger if very little or no interference is present because it requires overhead to send multiple frames Example SMC AP if wireless g fragmentation length 512 SMC AP if wireless g rts threshold This command sets the packet size threshold at which a Request to Send RTS signal must be sent to the receiving station prior to the sending station starting communications Syntax rts threshold lt threshold gt threshold Threshold packet size for which to send an RTS Range 0 2347 bytes Default Setting 2347 Command Mode Interface Configuration Wireless Command Usage e f the threshold is set to 0 the access point never sends RTS signals If set to 2347 the access point always sends RTS signals If set to any other value and the packet size equals or exceeds the RTS threshold the RTS CTS Request to Send Clear to Send mechanism will be enabled e The access point sends RTS frames to a receiving station to negotiate the sending of a data frame After receiving an 6 81 Command Line Interface RTS frame the station sends a CTS frame to notify the sending station that it can start sending data e Access points contending for the wireless medium may not be aware of each other The RTS CTS mechanism can solve this Hidden Node problem Example
18. package checklist 1 2 password configuring 5 28 6 22 management 5 28 6 22 pin assignments console port B 4 DB 9 port B 4 PoE 1 6 specifications C 2 power connection 2 4 Power over Ethernet See PoE power supply specifications C 2 PSK 5 55 6 91 R radio channel 802 11a interface 5 42 6 77 802 11g interface 6 77 configuring 4 7 RADIUS 5 9 5 54 6 45 RADIUS logon authentication 5 13 6 45 Remote Authentication Dial in User Service See RADIUS Request to Send See RTS reset 5 32 6 14 reset button 1 6 5 32 resetting the access point 5 32 6 14 restarting the system 5 32 6 14 RTS threshold 5 43 5 44 6 81 Index S security options 5 47 5 48 session key 5 15 5 16 6 53 shared key 5 50 6 84 Simple Network Management Protocol See SNMP Simple Network Time Protocol See SNTP SNMP 5 25 6 35 community name 5 25 6 35 community string 6 35 enabling traps 5 26 6 37 trap destination 5 26 6 38 trap manager 5 26 6 38 SNTP 5 37 6 28 enabling client 5 37 6 29 server 5 37 6 28 software displaying version 5 30 5 61 6 34 downloading 5 31 6 42 specifications C 1 SSID 5 4 6 78 configuring 4 6 SSID broadcast 6 75 startup files setting 6 41 station status 5 64 6 96 status displaying device status 5 61 6 33 displaying station status 5 64 6 96 straight through cable B 3 system clock setting 5 37 6 30 system log enabling 5 34 6 24 server 5 34 6 24 system software downloading from server 5 30 6 42
19. 10 dBm 54Mbps 2346 bytes 2347 bytes 100 TUs 2 beacons 32 stations DISABLED TKIP WEP SUPPORTED DISABLED 1 EMPTY Key 4 EMPTY OPEN 6 95 Command Line Interface show station This command shows the wireless clients associated with the access point Command Mode Exec Example SMC AP show station 802 11g Station Table Station Address 00 04 E2 41 C2 9D Authenticated TRUE Associated TRUE Forwarding Allowed TRUE SMC AP 6 96 IAPP Commands IAPP Commands The command described in this section enables the protocol signaling required to ensure the successful handover of wireless clients roaming between different 802 11f compliant access points In other words the 802 11f protocol can ensure successful roaming between access points in a multi vendor environment iapp This command enables the protocol signaling required to hand over wireless clients roaming between different 802 1 1f compliant access points Use the no form to disable 802 11f signaling Syntax iapp no iapp Default Enabled Command Mode Global Configuration Command Usage The current 802 11 standard does not specify the signaling required between access points in order to support clients roaming from one access point to another In particular this can create a problem for clients roaming between access points from different vendors This command is used to enable or disable 802 11f handover signaling betwe
20. 11b g wireless interface settings listed below e SSID The service set identifier for this wireless group e Radio Channel The radio channel through which the access point communicates with wireless clients e Radio Encryption The key size used for data encryption e Radio Authentication Type Shows if open system or shared key authentication is used e 802 1x Shows if IEEE 802 1x access control for wireless clients is enabled Status Information CLI Commands for Displaying System Settings To view the current access point system settings use the show system command from the Exec mode To view the current radio interface settings use the show interface wireless g command see page 6 95 SMC AP show system System Information Serial Number System Up time seconds System Name System Location System Contact System Country Code MAC Address IP Address Subnet Mask Default Gateway VLAN State Native VLAN ID IAPP State DHCP Client HTTP Server HTTP Server Port Slot Status Software Version SMC AP A324003220 0 days 4 hours 39 minutes 46 Enterprise AP Contact US UNITED STATES 00 30 F1 91 91 5B 192 168 2 2 255 255 255 0 192 168 2 250 DISABLED 1 ENABLED ENABLED ENABLED 5 63 System Configuration Station Status 5 64 The Station Status window shows the wireless clients currently associated with the SMC2552W G Networks Station St
21. 44 0 1932 866553 33 0 41 38 32 32 39 0 335 5708602 31 33 455 72 88 49 0 89 92861 0 46 0 868 70700 34 93 477 4920 216 712 36616 34 93 477 4920 7 095 7893573 86 10 6235 4958 886 2 8797 8006 65 6 238 6556 82 2 553 0860 81 45 224 2332 61 2 8875 7887 91 22 8204437 Fax 949 679 1481 Fax 34 93 477 3774 Fax 44 0 118 974 8701 Fax 33 0 41 38 01 58 Fax 39 02 739 14 17 Fax 31 33 455 73 30 Fax 49 0 89 92861 230 Fax 46 0 887 62 62 Fax 34 93 477 3774 Fax 216 71751415 Fax 34 93 477 3774 Fax 7 095 789 35 73 Fax 86 10 6235 4962 Fax 886 2 8797 6288 Fax 65 6 238 6466 Fax 82 2 553 7202 Fax 81 45 224 2331 Fax 61 2 8875 7777 Fax 91 22 8204443 If you are looking for further contact information please visit www smc com www smc europe com or www smc asia com SMC Networks 38 Tesla Irvine CA 92618 Phone 949 679 8000 Model Number SMC2552W G Pub Number 149100022700E E042004 RO1
22. COMPLIANCES gegeben wenn auch die an das Ger t angeschlossenen Ger te unter SELV Bedingungen betrieben werden U S A und Canada Stromkabel Dies muss von dem Land in dem es benutzt wird gepr ft werden Der Cord mu das UL gepruft und war das CSA beglaubigt Das Minimum spezifikation fur der Cord sind Nu 18 AWG nicht mehr als 2 meter oder 16 AWG Der typ SV oder SJ 3 Leiter Der Cord mu haben eine strombelastbarkeit aus wenigstens 10 A Dieser Stromstecker mu hat einer erdschluss mit der typ NEMA 5 15P 15A 125V oder NEMA 6 15P 15A 250V konfiguration Danemark Dieser Stromstecker mu die ebene 107 2 D1 der standard DK2 1a oder DK2 5a Bestimmungen einhalten Schweiz Dieser Stromstecker mu die SEV ASE 1011Bestimmungen einhalten Europe Das Netzkabel mu vom Typ HO3VVF3GO 75 Mindestanforderung sein und die Aufschrift lt HAR gt oder lt BASEC gt tragen Der Netzstecker mu die Norm CEE 7 7 erf llen SCHUKO TABLE OF CONTENTS Introduction an 1 1 Package Checklist 222n sense nennen 1 2 Hardware Description 2 222202 een rennen 1 3 Component Description 222222 n ernennen 1 4 Features and Benefits 222222 cee eee ee 1 7 Applications esise ear ete ne an 1 8 System Defaults 22222 eee rennen 1 9 Hardware Installation eurer n 2 1 Network Configuration 05 3 1 Network Topo
23. If the RTS threshold is set to 0 the access point never sends RTS signals If set to 2347 the access point always sends RTS signals If set to any other value and the packet size equals or exceeds the RTS threshold the RTS CTS Request to Send Clear to Send mechanism will be enabled The access points contending for the medium may not be aware of each other The RTS CTS mechanism can solve this Hidden Node Problem Range 0 2347 bytes Default 2347 bytes Radio Interface CLI Commands for the 802 119 Wireless Interface From the global configuration mode enter the interface wireless g command to access the 802 11g radio interface Set the interface SSID using the ssid command and if required configure a name for the interface using the description command You can also use the no ssid broadcast command to stop sending the SSID in beacon messages Select a radio channel or set selection to Auto using the channel command Set any other parameters as required To view the current 802 11g radio settings use the show interface wireless g command SMC AP config interface wireless g 6 68 Enter Wireless configuration commands one per line SMC AP if wireless g description RD AP 3 6 75 SMC AP if wireless g ssid r amp d 6 78 SMC AP if wireless g channel auto 6 77 SMC AP if wireless g ssid broadcast 6 75 SMC AP if wireless g select antenna mode right antenna 6 74 SMC AP if wireless g radio mode g 6 73 SM
24. Index 3 Index T Telnet for managenet access 6 2 Temporal Key Integrity Protocol See TKIP time zone 5 37 6 32 TKIP 5 55 6 88 transmit power configuring 5 42 6 86 trap destination 5 26 6 38 trap manager 5 26 6 38 troubleshooting A 1 U upgrading software 5 30 6 42 user name manager 5 28 6 21 user password 5 28 6 21 6 22 Index 4 V VLAN configuration 5 20 6 99 native ID 5 20 6 100 W WEP 5 49 6 83 configuring 5 49 5 50 6 83 shared key 5 50 6 84 Wi Fi Protected Access See WPA Wired Equivalent Protection See WEP WPA 5 54 6 91 authentication over 802 11x 5 57 6 90 pre shared key 5 57 5 58 6 92 6 93 WPA pre shared key See PSK FOR TECHNICAL SUPPORT CALL From U S A and Canada 24 hours a day 7 days a 800 SMC 4 YOU Phn 949 679 8000 Fax 949 679 1481 From Europe Contact details can be found on www smc europe com or www smc com INTERNET E mail addresses techsupport smc com european techsupport smc europe com Driver updates http www smc com index cfm action tech_support_drivers_downloads World Wide Web http www smc com http www smc europe com FOR LITERATURE OR ADVERTISING RESPONSE CALL U S A and Canada Spain UK France Italy Benelux Central Europe Nordic Eastern Europe Sub Saharian Africa North West Africa CIs PRC Taiwan Asia Pacific Korea Japan Australia India 800 SMC 4 YOU 34 91 352 00 40
25. Key CLI Commands for Displaying Station Status To view status of clients currently associated with the access point use the show station command from the Exec mode SMC AP show station 6 96 802 11g Station Table Station Address 00 04 E2 41 C2 9D Authenticated TRUE Associated TRUE Forwarding Allowed TRUE SMC AP 5 65 System Configuration Event Logs The Event Logs window shows the log messages generated by the access point and stored in memory SMC Networks AP Status Event Logs Stations Status ER Jan 01 01 59 38 Information DHCP Client Send Discover hve icon EU Lan 01 01 58 34 Information DHCP Client Send Discover BE Jan 01 01 57 30 Information DHCP Client Send Discover BE Jan 01 01 56 27 Information DHCP Client Send Discover EBH Jan 01 01 55 23 Information DHCP Client Send Discover GM Jan 01 01 54 20 Information DHCP Client Send Discover BEE Jan 01 01 53 17 Information DHCP Client Send Discover BB Jan 01 01 52 13 Information DHCP Client Send Discover BE Jan 01 01 51 09 Information DHCP Client Send Discover HOE Jan 01 01 50 06 Information DHCP Client Send Discover AB Jan 01 01 49 02 Information DHCP Client Send Discover HZ Jan 01 01 47 59 Information DHCP Client Send Discover SEE Jan 01 01 46 55 Information DHCP Client Send Discover HA Jan 01 01 45 52 Information DHCP Client Send Discover Heg Jan 01 01 44 49 Information DHCP Client Send D
26. Port 1812 Key pK Retransmit 33 Timeout D SMC AP 6 49 Command Line Interface 802 1x Port Authentication The access point supports IEEE 802 1x access control for 6 50 wireless clients This control feature prevents unauthorized access to the network by requiring a 802 1x client application to submit user credentials for authentication Client authentication is then verified via by a RADIUS server using EAP Extensible Authentication Protocol before the access point grants client access to the network authentication server with local or remote options Command Function Mode Page 802 1x Configures 802 1x as disabled GC 6 51 supported or required 802 1x Sets the interval at which the primary GC 6 52 broadcast key broadcast keys are refreshed for refresh rate stations using 802 1x dynamic keying 802 1x Sets the interval at which unicast GC 6 53 session key session keys are refreshed for refresh rate associated stations using dynamic keying 802 1x Sets the timeout after which a GC 6 54 session timeout connected client must be re authenticated address filter Sets filtering to allow or deny listed GC 6 54 default addresses address filter Enters a MAC address in the filter GC 6 55 entry table address filter Removes a MAC address from the GC 6 56 delete filter table mac Sets address filtering to be performed GC 6 57 802 1x Port Authentication Command F
27. Port Pin Assignments 0020000 eae B 4 Wiring Map for Serial Cable 0 004 B 4 Serial Cable Signal Directions for DB 9 Ports B 5 GC Specifications 2 i ui ne idiw C 1 General Specifications 0 0 0 c eee eee C 1 Sensitivity 235 2 a eects a Ra ch tas C 4 Transmit Power 0000 cece eee C 5 Glossary Index XV TABLE OF CONTENTS xvi Chapter 1 Introduction SMC s EliteConnect 2 4GHz 802 11g Wireless Access Point SMC2552W G is an IEEE 802 11b g access point that provides transparent wireless high speed data communications between the wired LAN and fixed portable or mobile devices equipped with a 802 11b or 802 11g wireless adapter This solution offers fast reliable wireless connectivity with considerable cost savings over wired LANs which include long term maintenance overhead for cabling Using 802 11b and 802 11g technology this access point can easily replace a 10 Mbps Ethernet connection or seamlessly integrate into a 10 100 Mbps Ethernet LAN In addition the access point offers full network management capabilities through an easy to configure web interface a command line interface for initial configuration and troubleshooting and support for Simple Network Management tools such as SMC s EliteView Radio Characteristics The IEEE 802 11g standard uses a radio modulation technique known as Orthogonal Frequency Division Multiplexing OFDM an
28. SMC AP 5 38 Advanced Configuration CLI Commands for the System Clock The following example shows how to manually set the system time when SNTP server support is disabled on the access point SMC AP config no sntp server enable 6 29 SMC AP config sntp server date time 6 30 Enter Year lt 1970 2100 gt 2004 Enter Month lt 1 12 gt 10 Enter Day lt 1 31 gt 10 Enter Hour lt 0 23 gt 18 Enter Min lt 0 59 gt 35 SMC AP config 5 39 System Configuration Radio Interface 5 40 The IEEE 802 11b and 802 11g interface includes configuration options for radio signal characteristics and wireless security features The access point can operate in three modes IEEE 802 1 1b only 802 11g only or a mixed 802 11b g mode Also note that 802 11g is backward compatible with 802 11b The 802 11b g interface can be configured independently under the following web pages e Radio Interface 802 11b g Note The radio channel settings for the SMC2552W G are limited by local regulations which determine the number of channels that are available Radio Interface Radio Settings 802 119 The IEEE 802 11g standard operates within the 2 4 GHz band at up to 54 Mbps Also note that because the IEEE 802 11g standard is an extension of the IEEE 802 11b standard it allows clients with 802 11b wireless network cards to associate to an 802 11g access point SYSTEM E 802 119 Identification Ra
29. SMC AP config address filter delete 00 70 50 cc 99 1b SMC AP config Related Commands show authentication page 6 59 6 56 802 1x Port Authentication mac authentication server This command sets address filtering to be performed with local or remote options Use the no form to disable MAC address authentication Syntax mac authentication server local remote e local Authenticate the MAC address of wireless clients with the local authentication database during 802 11 association e remote Authenticate the MAC address of wireless clients with the RADIUS server Default local Command Mode Global Configuration Example SMC AP config mac authentication server remote SMC AP config Related Commands address filter entry page 6 55 radius server address page 6 46 show authentication page 6 59 6 57 Command Line Interface mac authentication session timeout 6 58 This command sets the interval at which associated clients will be re authenticated with the RADIUS server authentication database Use the no form to disable reauthentication Syntax mac authentication session timeout lt seconds gt seconds Re authentication interval Range 0 65535 Default 0 disabled Command Mode Global Configuration Example SMC AP config mac authentication session timeout 1 SMC AP config 802 1x Port Authentication show authentication This command shows all 802 1x authe
30. To improve wireless network security you have to implement two main functions e Authentication It must be verified that clients attempting to connect to the network are authorized users e Traffic Encryption Data passing between the access point and clients must be protected from interception and evesdropping For a more secure network the access point can implement one or a combination of the following security mechanisms e Wired Equivalent Privacy WEP page 5 49 e IEEE 802 1x page 5 14 e Wireless MAC address filtering page 5 13 e Wi Fi Protected Access WPA page 5 54 5 47 System Configuration 5 48 The security mechanisms that may be employed depend on the level of security required the network and management resources available and the software support provided on wireless clients Asummary of wireless security considerations is listed in the following table Security Client Implementation Considerations Mechanism Support WEP Built in support on all Provides only weak security 802 11b and 802 119 e Requires manual key management devices WEP with Requires 802 1x client Provides dynamic key rotation for 802 1x support in system or by improved WEP security add in software e Requires configured RADIUS server native support provided 802 1x EAP type may require in Windows XP management of digital certificates for clients and server MAC Address Uses the MAC address Provides only weak
31. Use the no form to restore the default system name Syntax system name name no system name name The name of this host Maximum length 32 characters Default Setting Enterprise AP 6 20 System Management Commands Command Mode Global Configuration Example SMC AP config system name SMC AP SMC AP config username This command configures the user name for management access Syntax username name name The name of the user Length 3 16 characters case sensitive Default Setting admin Command Mode Global Configuration Example SMC AP config username bob SMC AP config 6 21 Command Line Interface password After initially logging onto the system you should set the password Remember to record it in a safe place Use the no form to reset the default password Syntax password password no password password Password for management access Length 3 16 characters case sensitive Default Setting smcadmin Command Mode Global Configuration Example SMC AP config password smc SMC AP config ip http port This command specifies the TCP port number used by the web browser interface Use the no form to use the default port Syntax ip http port port number no ip http port port number The TCP port to be used by the browser interface Range 1024 65535 Default Setting 80 6 22 System Management Commands Command Mode Global C
32. WPA can be configured to work in an enterprise environment using IEEE 802 1x and a RADIUS server for user authentication For smaller networks WPA can be enabled using a common pre shared key for client authentication with the access point WPA authentication over 802 1x The WPA enterprise mode that uses IEEE 802 1x to authenticate users and to dynamically distribute encryption keys to clients WPA Pre shared Key The WPA mode for small networks that uses a common password string that is manually distributed If this mode is selected be sure to also specify the key string Multicast Cipher Mode Selects an encryption method for the global key used for multicast and broadcast traffic which is supported by all wireless clients WEP WEP is the first generation security protocol used to encrypt data crossing the wireless medium using a fairly short key Communicating devices must use the same WEP key to encrypt and decrypt radio signals WEP has many security flaws and is not recommended for transmitting highly sensitive data TKIP TKIP provides data encryption enhancements including per packet key hashing that is changing the encryption key on each packet a message integrity check an extended initialization vector with sequencing rules and a re keying mechanism AES AES has been designated by the National Institute of Standards and Technology as the successor to the Data Encryption Standard DES encryption algorithm and
33. algorithm and sequence number CLI Commands for Displaying the Event Logs From the global configuration mode use the show logging command SMC AP show logging 6 27 Logging Information Syslog State Enabled Logging Host State Enabled Logging Console State Enabled Server Domain name IP 192 168 1 19 Logging Level Alert Logging Facility Type 16 SMC AP Note Log messages are not displayed in the CLI 5 67 System Configuration 5 68 Chapter 6 Command Line Interface Using the Command Line Interface Accessing the CLI When accessing the management interface for the SMC2552W G over a direct connection to the console port or via a Telnet connection the access point can be managed by entering command keywords and parameters at the prompt Using the access point s command line interface CLI is very similar to entering commands on a UNIX system Console Connection To access the access point through the console port perform these steps 1 At the console prompt enter the user name and password The default user name is admin and the default password is smcadmin When the user name is entered the CLI displays the SMC Enterprise AP prompt 2 Enter the necessary commands to complete your desired tasks 3 When finished exit the session with the exit command 6 1 Command Line Interface After connecting to the system through the console port the l
34. and enter the country command again following by your country code e g IE for Ireland SMC Enterprise AP country ie SMC Enterprise AP Using Web based Management 4 4 Setup Wizard There are only a few basic steps you need to complete to connect the SMC2552W G to your corporate network and provide network access to wireless clients The Setup Wizard takes you through configuration procedures for the wireless Service Set Identifier the radio channel selection and IP configuration The SMC2552W G can be managed by any computer using a web browser Internet Explorer 5 0 or above or Netscape Navigator 6 2 or above Enter your configured IP address or the default IP address http 192 168 2 2 Using Web based Management Logging In Enter the username admin the password smcadmin and click LOGIN For information on configuring a user name and password refer to page 5 28 Username Password LOGIN CANCEL Copyright 2003 SMC All rights reserved The home page displays the Main Menu SMC Networks 4 5 Initial Configuration Launching the Setup Wizard To perform initial configuration click Setup Wizard on the home page then click on the Next button to start the process Oss o O channel IP Configuration 1 23 Setup Wizard This setup wizard is designed for you to quickly configure this device Please follow the wizard through
35. associate with the access point SMC Networks SYSTEM Identification Identification TCPAP Settings Radius System Name Enterprise AP Authentication Filter Control SNMP Administration System Log The system name is designed for the user to uniquely identify this device SSID smc 802 11big Interface The SSID is designed for the radio to identify the appropriate clients Radio Settings Only clients with the same SSID can associate with this device Security WPA ee System Name An alias for the access point enabling the device to be uniquely identified on the network Default Enterprise AP Range 1 22 characters SSID The name of the basic service set provided by the access point Clients that want to connect to the network through the access point must set their SSID to the same as that of the access point Default SMC Range 1 32 characters case sensitive Advanced Configuration CLI Commands for System Identification Enter the global configuration mode and use the system name command to specify anew system name Enter the wireless configuration mode 11g and use the ssid command to set the service set identifier Then return to the Exec mode and use the show system command to display the changes to the system identification settings SMC AP configure SMC AP config system name R amp D SMC AP config interface wi
36. be obtained by querying for the identity of the nearest access point For clients that do not need to roam set the SSID for the wireless card to that used by the access point to which you want to connect Network Topologies A wireless infrastructure can also support roaming for mobile workers More than one access point can be configured to create an Extended Service Set ESS By placing the access points so that a continuous coverage area is created wireless users within this ESS can roam freely All SMC wireless network cards and adapters and SMC2552W G wireless access points within a specific ESS must be configured with the same SSID Server w N Desktop PC nr Si w e Switch A a Suite SS AR Notebook with Wireless PC Card Adapter BE CY N NE L Fie en is Switch u i a lt N i Notebook with Wireless PC Card Adapter i COE Access Point vey Access Point lt BSS2 gt Seamless Roaming AS lt BSS gt lt a PC with Wireless ace 3 5 Network Configuration 3 6 Chapter 4 Initial Configuration The EliteConnect 2 4GHz 802 11g Wireless Access Point SMC2552W G offers a variety of management options including a web based interface a direct connection to the console port or using SNMP software such as SMC s EliteView The initial configuration steps can be made through the web browser interface using the Setup Wizard page 4 4 The access point requests an IP address via
37. concrete wall first drill four holes 22 mm deep and 3 5 mm in diameter and press the four included wall plugs firmly into the drilled holes until they are flush with the surface of the wall 2 1 Hardware Installation 2 2 Set the four 5 8 inch number 12 wood screws in the holes leaving about 3 mm clearence from the wall Position the mounting bracket over the wall screws slide the bracket onto the screws and then tighten down the screws Attaching the Bracket Line up the three mounting points on the bracket with the three mounting slots on the rear of the access point as directed in the figure on the next page Place the mounting points of the bracket into the mounting slots of the access point and while pushing down on the bracket slide it into position so that the two retaining latches slip into place over the back of the access point Hardware Installation Attaching the Mounting Bracket Back of Access Point gt Q a amp Mounting points im Jl Bracket 4 Lock the Access Point in Place To prevent unauthorized removal of the access point you can use a Kensington Slim MicroSaver security cable not included to attach the access point to a fixed object 2 3 Hardware Installation 2 4 Connect the Power Cord Connect the power adapter to the access point and the power cord to an AC power outlet Otherwise the ac
38. connection parameters for the Ethernet port and wireless interface Command Function Mode Page General Interface interface Enters specified interface GC 6 68 configuration mode Ethernet Interface dns primary server Specifies the primary name IC E 6 68 server dns secondary server Specifies the secondary IC E 6 68 name server ip address Sets the IP address forthe IC E 6 69 Ethernet interface ip dhcp Submits a DHCP request for IC E 6 71 an IP address shutdown Disables the Ethernet IC E 6 72 interface show interface ethernet Shows the status for the Exec 6 72 Ethernet interface Wireless Interface radio mode Sets the radio working mode IC W 6 73 select antenna mode Selects built in antennas or IC W 6 74 optional high gain antenna description Adds a description to the IC W 6 73 wireless interface ssid broadcast Opens access to clients IC W 6 75 without a pre configured SSID 6 65 Command Line Interface 6 66 Command Function Mode Page speed Configures the maximum data rate at which a station can connect to the access point IC W 6 76 channel Configures the radio channel IC W 6 77 ssid Configures the service set identifier IC W 6 78 beacon interval Configures the rate at which beacon signals are transmitted from the access point IC W 6 78 dtim period Configures the rate at wh
39. credentials such as a user name and password SMC Networks SYSTEM f Identification i Authentication TCP IP Settings Radius a MAC Authentication LocalMAC Authentication 802 1x Setup Filter Control SNMP Disable 802 1x authentications not allowed eon een Supported Clients may or may not use 802 1 System Log Required Client must use 802 1x 802 11 big Interface Radio Settings If 802 1x supported or required is selected then Radius setup must be completed Security e WPA Broadcast Key Refresh Rate 0 minutes 0 Disabled Session Key Refresh Rate 0 minutes 0 Disabled 802 1x Reauthtication Refresh Rate 0 seconds 0 Disabled E Local MAC Authentication System Default Deny Allow MAC Authentication Settings MACAddess Permission Update C Deny Allow Delete Update MAC Authentication Table Advanced Configuration MAC Authentication You can configure a list of the MAC addresses for wireless clients that are authorized to access the network This provides a basic level of authentication for wireless clients attempting to gain access to the network A database of authorized MAC addresses can be stored locally on the SMC2552W G or remotely on a central RADIUS server Default Local MAC e Local MAC The MAC address of the associating station is compared against the local database stored on the access point The Local MAC Authentication section ena
40. data transmissions enable WEP with this command and set at least one static WEP key with the key command The WEP settings must be the same on each client in your wireless network The encryption length specified in the encryption command and the key command must match 6 83 Command Line Interface e Note that WEP protects data transmitted between wireless nodes but does not protect any transmissions over your wired network or over the Internet Example SMC AP if wireless g encryption 128 SMC AP if wireless g Related Commands key page 6 84 key This command sets the keys used for WEP encryption Use the no form to delete a configured key Syntax key lt index gt lt size gt lt type gt lt value gt no key index index Key index Range 1 4 size Key size Options 64 128 or 152 bits type Input format Options ASCII HEX value The key string For ASCII input use 5 13 alphanumeric characters for 64 128 bit strings For HEX input use 10 26 hexadecimal digits for 64 128 bit strings Default Setting None Command Mode Interface Configuration Wireless Command Usage e To enable Wired Equivalent Privacy WEP use the authentication command to select the shared key authentication type use the encryption command to 6 84 Interface Commands specify the key length and use the key command to configure at least one key If WEP is enabled all wireless clients
41. experienced radio TV technician for help FCC Caution Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation IMPORTANT NOTE FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with a minimum distance of 20 centimeters 8 inches between the radiator and your body This transmitter must not be co located or operating in conjunction with any other antenna or transmitter Wireless 2 4 GHz Band Statements As the SMC2552W G Access Point can operate in the 2412 2462 MHz frequency band it is limited by the FCC Industry Canada and some other countries to indoor use only so as to reduce the potential for harmful interference to co channel Mobile Satellite systems COMPLIANCES The term IC before the radio certification number only signifies that Industry Canada technical specifications were met Industry Canada Class B This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in
42. key on each packet and rotates not just the unicast keys but the broadcast keys as well TKIP is a replacement for WEP that removes the predictability that intruders relied on to determine the WEP key e AES has been designated by the National Institute of Standards and Technology as the successor to the Data Encryption Standard DES encryption algorithm and will be used by the U S government for encrypting all sensitive nonclassified information Because of its strength and resistance to attack AES is also being incorporated as part of the 802 11 standard Example SMC AP if wireless g multicast cipher TKIP SMC AP if wireless g wpa clients This command defines whether Wi Fi Protected Access WPA is required or optionally supported for client stations Syntax wpa clients lt required supported gt e required Supports only clients using WPA e supported Support clients with or without WPA Default Setting Supported Command Mode Interface Configuration Wireless 6 89 Command Line Interface Command Usage Wi Fi Protected Access WPA provides improved data encryption which was weak in WEP and user authentication which was largely missing in WEP WPA uses the following security mechanisms Enhanced Data Encryption through TKIP WPA uses Temporal Key Integrity Protocol TKIP TKIP provides data encryption enhancements including per packet key hashing i e changing the encryption key on each pac
43. of the file name should not be a period and the maximum length for file names on the FTP TFTP 6 42 Flash File Commands server is 255 characters or 32 characters for files on the access point Valid characters A Z a z 0 9 _ e Due to the size limit of the flash memory the access point supports only two operation code files e The system configuration file must be named syscfg in all copy commands Example The following example shows how to upload the configuration settings to a file on the TFTP server SMC AP copy config tftp TFTP Source file name syscfg TFTP Server IP 192 168 1 19 SMC AP The following example shows how to download a configuration file SMC AP copy tftp file 1 Application image 2 Config file 3 Boot block image Select the type of download lt 1 2 3 gt 1122 TFTP Source file name syscfg TFTP Server IP 192 168 1 19 SMC AP delete This command deletes a file or image Syntax delete filename filename Name of the configuration file or image name Default Setting None 6 43 Command Line Interface dir 6 44 Command Mode Exec Note Beware of deleting application images from flash memory At least one application image is required in order to boot the access point If there are multiple image files in flash memory and the one used to boot the access point is deleted be sure you first use the bootfile command to update
44. provided with this product to ensure the channels of operation are in conformance with the spectrum usage rules for European Community countries as described below e This device requires that the user or installer properly enter the current country of operation in the command line interface as described in the user guide before operating this device e This device will automatically limit the allowable channels determined by the current country of operation Incorrectly entering the country of operation may result in illegal operation and may cause harmful interference to other system The user is obligated to ensure the device is operating according to the channel limitations indoor outdoor restrictions and license requirements for each European Community country as described in this document e This device may be operated indoors or outdoors in all countries of the European Community using the 2 4 GHz band Channels 1 13 except where noted below In Italy the end user must apply for a license from the national spectrum authority to operate this device outdoors In Belgium outdoor operation is only permitted using the 2 46 2 4835 GHz band Channel 13 In France outdoor operation is only permitted using the 2 4 2 454 GHz band Channels 1 7 COMPLIANCES vi Safety Compliance Power Cord Safety Please read the following safety information carefully before installing the switch WARNING Installation and removal of the
45. the application image file booted at startup before you reboot the access point Example This example shows how to delete the test cfg configuration file from flash memory SMC AP delete test cfg Are you sure you wish to delete this file lt y n gt SMC AP Related Commands bootfile page 6 41 dir page 6 44 This command displays a list of files in flash memory Command Mode Exec Command Usage File information is shown below Column Heading Description File Name The name of the file Type 2 Operation Code and 5 Configuration file File Size The length of the file in bytes Example RADIUS Client The following example shows how to display all file information SMC AP dir File Name dflt img bin smc img bin syscfg syscfg_bak SMC AP Type File Size 2 1044140 2 1068532 5 16860 5 16860 1048576 byte s available RADIUS Client Remote Authentication Dial in User Service RADIUS is a logon authentication protocol that uses software running on a central server to control access for RADIUS aware devices to the network An authentication server contains a database of credentials such as users names and passwords for each wireless client that requires access to the access point Command Function Mode Page radius server Specifies the RADIUS server GC 6 46 address radius server port Sets the RADIUS server netwo
46. to the secondary server it periodically attempts to establish communication again with primary server If communication with the primary server is re established the secondary server reverts to a backup role Advanced Configuration CLI Commands for RADIUS From the global configuration mode use the radius server address command to specify the address of the primary or secondary RADIUS servers The following example configures the settings for the primary RADIUS server Configure the other parameters for the RADIUS server Then use the show show radius command from the Exec mode to display the current settings for the primary and secondary RADIUS servers SMC AP config radius server address 192 168 1 25 6 46 SMC AP config radius server port 181 6 46 SMC AP config radius server key green 6 47 SMC AP config radius server timeout 10 6 48 SMC AP config radius server retransmit 5 6 47 SMC AP config exit SMC AP show radius 6 49 Radius Server Information IP 192 168 1 25 Port en Key 3 KKKKK Retransmit 5 Timeout x 10 IP 0 0 0 0 Port 1812 Key KKKKK Retransmit 7 3 Timeout 5 SMC AP System Configuration Authentication 5 12 Wireless clients can be authenticated for network access by checking their MAC address against the local database configured on the access point or by looking up their MAC addresses on a RADIUS server The 802 1x protocol can also be configured to check other user
47. user Filtering of client network card authentication e Management of authorized MAC addresses Can be combined with other methods for improved security e Optionally configured RADIUS server WPA Requires WPA enabled Provides robust security in WPA only Enterprise system and network mode Mode card driver e Offers support for legacy WEP clients native support provided but with increased security risk in Windows XP Requires configured RADIUS server e 802 1x EAP type may require management of digital certificates for clients and server WPA PSK Requires WPA enabled Provides good security in small Mode system and network networks card driver native support provided in Windows XP e Requires manual management of pre shared key Note Although a WEP static key is not needed for WEP over 802 1x WPA over 802 1x and WPA PSK modes you must enable WEP encryption through the web or CLI in order to enable all types of encryption in the access point Radio Interface Wired Equivalent Privacy WEP WEP provides a basic level of security preventing unauthorized access to the network and encrypting data transmitted between wireless clients and the access point WEP uses static shared keys fixed length hexadecimal or alphanumeric strings that are manually distributed to all clients that want to use the network WEP is the security protocol initially specified in the IEEE 802 11 standard for wireless communic
48. username smith Minimum Abbreviation The CLI will accept a minimum number of characters that uniquely identify a command For example the command configure can be entered as con If an entry is ambiguous the system will prompt for further input Command Completion If you terminate input with a Tab key the CLI will print the remaining characters of a partial keyword up to the point of ambiguity In the configure example typing con followed by a tab will result in printing the command up to configure Getting Help on Commands 6 4 You can display a brief description of the help system by entering the help command You can also display command syntax by following a command with the character to list keywords or parameters Showing Commands If you enter a at the command prompt the system will display the first level of keywords for the current configuration mode Exec Global Configuration or Interface You can also display a Entering Commands list of valid keywords for a specific command For example the command show displays a list of possible show commands SMC AP show authentication Show Authentication parameters bootfile Show bootfile name filters Show filters hardware Show hardware version history Display the session history interface Show interface information line TTY line information logging Show the logging buffers radius Show radius server snmp Show snmp sta
49. will be used by the U S government for encrypting all sensitive nonclassified information Because of its strength and resistance to attack AES is also being incorporated as part of the 802 11 standard 5 57 System Configuration 5 58 WPA Pre Shared Key Type If the WPA pre shared key mode is used all wireless clients must be configured with the same key to communicate with the access point Hexadecimal Enter a key as a string of 64 hexadecimal numbers Alphanumeric Enter a key as an easy to remember form of letters and numbers The string must be from 8 to 63 characters which can include spaces The configuration settings for WPA are summarized below WPA pre shared key only WPA over 802 1x Authentication Type Open System Authentication Type Open System WEP encryption Enable WEP encryption Enable WPA clients only Enable WPA clients only Enable WPA Mode Pre shared key WPA Mode WPA over 802 1x Multicast Cipher WEP TKIP AES Multicast Cipher WEP TKIP AES WPA PSK Type Shared Key 64 128 152 Hex 64 characters 802 1x Required ASCII 8 63 characters MAC Authentication Disabled Local Shared Key 64 128 152 802 1x Disabled MAC Authentication Disabled Local 1 BOM Although WEP keys are not needed for WPA you must enable WEP encryption through the web or CLI in order to enable all types of encryption in the access point For example use the CLI encryption command to set Enc
50. 0 ft 1623 ft 510m 1672 ft 520 m 525 m 1705 ft 1722 ft Indoors 20m 66 ft 25m 35m 82 ft 115 ft 43m 50m 57m 141 ft 164 ft 187 ft 66m 216 ft 7im 80m 233 ft 262 ft 85m 279 ft 90m 93m 295 ft 305 ft Notes 1 A 4 2 Outdoor Environment A line of sight environment with no interference or obstruction between the access point and clients Indoor Environment A typical office or home environment with floor to ceiling obstructions between the access point and clients Appendix B Cables and Pinouts Twisted Pair Cable Assignments Caution DO NOT plug a phone jack connector into the RJ 45 port Use only twisted pair cables with RJ 45 connectors that conform with FCC standards For 10 100BASE TX connections a twisted pair cable must have two pairs of wires Each wire pair is identified by two different colors For example one wire might be red and the other red with white stripes Also an RJ 45 connector must be attached to both ends of the cable Caution Each wire pair must be attached to the RJ 45 connectors in a specific orientation See Straight Through Wiring on page B 3 and Crossover Wiring on page B 3 for an explanation The following figure illustrates how the pins on the RJ 45 connector are numbered Be sure to hold the connectors in the same orientation when attaching the wires to the pins B 1 Cables and Pinou
51. 00 Mbps Ethernet ports or 54 Mbps wireless interface Supporting up to 64 mobile users e JEEE 802 11b 802 11g and 802 3af compliant e Antennas with SMA connectors for optional external 2 4 GHz high gain antenna to extend range and coverage e Flexible network management through Command Line Interface CLI Web based Telnet TFTP and SNMP make it simple and easy to monitor troubleshoot and remotely manage the network e Power over Ethernet support reduces access point installation costs and provides centralised power management e Advanced security through 64 128 152 bit Wired Equivalent Privacy WEP encryption IEEE 802 1x port authentication Wi Fi Protected Access WPA SSID broadcast disable remote authentication via RADIUS server and MAC address filtering features to protect your sensitive data and authenticate only authorized users to your network e Provides seamless roaming within the WLAN service area e Scans all available channels and selects the best channel for each client based on the signal to noise ratio 1 7 Introduction Applications 1 8 The Wireless products offer a high speed reliable cost effective solution for 10 100 Mbps wireless Ethernet client access to the network in applications such as Remote access to corporate network information E mail file transfer and terminal emulation Difficult to wire environments Historical or old buildings asbestos installations and open areas where wir
52. 00 cece ee eee ee 6 1 Telnet Connection 000 e eee ee 6 2 Entering Commands 00 eee eee eee eee 6 3 Keywords and Arguments 20 0 eee eee 6 3 Minimum Abbreviation 0 0000 e eee eee 6 4 Command Completion 0 00 0c eee eee 6 4 Getting Help on Commands 2222er nenn 6 4 Partial Keyword Lookup 00 eee eee eeu 6 5 Negating the Effect of Commands 6 6 Using Command History sense rennen 6 6 Understanding Command Modes 6 6 Exec Commands 00 sense ete 6 7 Configuration Commands 00000 eee eee 6 7 Command Line Processing 0 00e ee eee 6 8 Command Groups 2 22m sense nennen nennen 6 10 General Commands 00 0c cee ernennen nen 6 11 CONGUE ok geen ead neat ae ee Rew ee 6 11 end zur ee ehe ner er 6 12 OXM u Dt ha ee Ese a Te hs en a 6 12 DING Sree tee ee eather ena re 6 13 LOSE oda titan he nadie n Woes kee ag wee neta OS 6 14 ShOW NISIONY 3 3 sie Ser a ne eee 6 14 SHOWING oe cae eee bee ae ee bes hal 6 15 System Management Commands 0 00 6 16 COUPWY oo ana ne eek a nen ae 6 18 PFOMPI 42 He ans 6 20 system NAME wu wanna harten 6 20 USEINAME 52 25 have an Bae a ee aa 6 21 password se peeled ett tbe donee ho eh 6 22 PIDDI 4 3u patina ined a ran era 6 22 ip NIP server vas u 43 SEE Dar war ode ee eee 6 23 lo
53. 77 SSI ara ae ee ee eA Bo ee eee 6 78 beacon interval 00 0 6 78 dtim period aaa 0 ee es 6 79 fragmentation length 0 0 e eee eee 6 80 ris threshold ssid teed ented x thane eee eee are 6 81 authentication 0000 eee eee 6 82 ENICIYPtION u au in Sele ee eae eee ee 6 83 Kaya net a eae aan Ne nr a kan 6 84 HANS MIKEY oaii as este arten 6 85 transmit Power aaea ananunua nennen ren 6 86 max association nn nennen 6 87 multicast cipher 222222 nn 6 88 Wpa clionts 24 224 a2 age 6 89 wpa mode 22H enn een nenne nenn 6 91 wpa preshared key 0000 cece eee ee eee 6 92 TABLE OF CONTENTS wpa psk type aranea n a E eee 6 93 SHUTIOWNE i oaia ec re ph earned een 6 94 show interface wireless aaan 6 95 Show station weasel ore bee di iw een eh ea 6 96 IAPP Commands 0 0 cece eee teens 6 97 APP ar na at poe ata ee eGo aaa ea 6 97 VLAN Commands 0 0 0 cece eee 6 98 VIAN sn dah Pasir eek here eek eb ANS 6 99 native vianid 0 0 aE A EOE ee 6 100 A Troubleshooting 000c cece eee eee A 1 Maximum Distance Table 0 000 eee A 4 B Cables and Pinouts 200000es B 1 Twisted Pair Cable Assignments 0000005 B 1 10 100BASE TX Pin Assignments B 2 Straight Through Wiring 0000e ee eee B 3 Crossover Wiring 000 cece eee eee B 3 Console
54. C AP if wireless g transmit power full 6 86 SMC AP if wireless g speed 6 6 76 SMC AP if wireless g max association 32 6 87 SMC AP if wireless g beacon interval 150 6 78 SMC AP if wireless g dtim period 5 6 79 SMC AP if wireless g fragmentation length 512 6 80 SMC AP if wireless g rts threshold 256 6 81 SMC AP if wireless g exit 5 45 System Configuration SMC AP show interface wireless g 6 95 Wireless Interface Information Description Enterprise 802 11g Access Point SSID r d Channel 11 AUTO Status Enable HESS SS Sie Sa Sess 802 11 Parameters Transmit Power HALF 10 dBm Max Station Data Rate 6Mbps Fragmentation Threshold 512 bytes RTS Threshold 256 bytes Beacon Interval 150 TUs DTIM Interval 5 beacons Maximum Association 32 stations Security SSID Broadcast ENABLED Multicast cipher WEP Unicast cipher WEP WPA clients SUPPORTED Encryption DISABLED Default Transmit Key z I Static Keys Key 1 EMPTY Key 2 EMPTY Key 3 EMPTY Key 4 EMPTY Authentication Type OPEN SMC AP 5 46 Radio Interface Security The SMC2552W G is configured by default as an open system which broadcasts a beacon signal including the configured SSID Wireless clients can read the SSID from the beacon and automatically reset their SSID to allow immediate connection to the nearest access point
55. Control SNMP WPA Key Management Administration System Log WPA authentication over 802 1x WPA Pre shared Key 802 11big Interface Radio Settings Security Multicast Cipher Mode e WPA WEP Use WEP as WPA Multicast cipher mode TKIP Use TKIP as WPA Multicast cipher mode AES Use AES as WPA Multicast cipher mode WPA Pre Shared Key Type Hexadecimal Enter 64 digits C Alphanumeric Enter between 8 and 63 characters mars The SMC2552W G supports the following WPA components and features IEEE 802 1x and the Extensible Authentication Protocol EAP WPA employs 802 1x as its basic framework for user authentication and dynamic key management The 802 1x client and RADIUS server should use an appropriate EAP type such as EAP TLS Transport Layer Security EAP TTLS Tunneled TLS or PEAP Protected EAP for strongest authentication Working together these protocols provide mutual authentication between a client the access point and a RADIUS server that Radio Interface prevents users from accidentally joining a rogue network Only when a RADIUS server has authenticated a user s credentials will encryption keys be sent to the access point and client Note To implement WPA on wireless clients requires a WPA enabled network card driver and 802 1x client software that supports the EAP authentication type that you want to use Windows XP provides native WPA support other systems require a
56. DHCP by default If no response is received from a DHCP server then the access point uses the default address 192 168 2 2 You can also use the command line interface CLI as described below to configure a valid address Note Units sold in countries outside the United States are not configured with a specific country code You must use the CLI to set the country code and enable wireless operation page 4 4 Initial Setup through the CLI Required Connections The SMC2552W G provides an RS 232 serial port that enables a connection to a PC or terminal for monitoring and configuration Attach a VT100 compatible terminal or a PC running a terminal emulation program to the access point You can use the console cable provided with this package or use a null modem cable that complies with the wiring assignments shown on page B 4 4 1 Initial Configuration 4 2 To connect to the console port complete the following steps 1 Connect the console cable to the serial port on a terminal or a PC running terminal emulation software and tighten the captive retaining screws on the DB 9 connector 2 Connect the other end of the cable to the RS 232 serial port on the access point 3 Make sure the terminal emulation software is set as follows e Select the appropriate serial port COM port 1 or 2 e Set the data rate to 9600 baud e Set the data format to 8 data bits 1 stop bit and no parity e Set flow control to none e Set the emul
57. ID When disabled the access point will not include its SSID in beacon messages Nor will it respond to probe requests from clients that do not include the correct SSID Default Enabled Select Antenna Mode Specifies whether the antenna used will be automatically selected based on best signal reception i e Diversity mode or will be fixed to use an optional high gain antenna Default Diversity Working Mode The access point can be configured to support both 802 11b and 802 11g clients simultaneously 802 11b clients only or 802 11g clients only Default 802 11b and 802 119 Transmit Power Adjusts the power of the radio signals transmitted from the access point The higher the transmission power the farther the transmission range Power selection is not just a trade off between coverage area and maximum supported clients You also have to ensure that high power signals do not Radio Interface interfere with the operation of other radio devices in the service area Options 100 50 25 12 minimum Default 100 Maximum Station Data Rate The maximum data rate at BE which a client can connect to the access point The maximum transmission distance is affected by the data rate The lower the data rate the longer the transmission distance Options 54 48 36 24 Mbps Default 54 Mbps Beacon Interval The rate at which beacon signals are transmitted from the access point The beacon signals allow wir
58. IP configuration if needed Note If there is no DHCP server on your network or DHCP fails the access point will automatically start up with a default IP address of 192 168 2 2 i TCP IP Settings Identification TCP IP Settings Radius Enable The Access Point will obtain the IP Address from the DHCP Server Authentication Filter Control Administration System Log Subnet Mask 255 255 255 0 carru ME e Security WPA Secondary DNS Aadress T000 DHCP Client C Disable The Access Point will use the following IP setup Advanced Configuration DHCP Client Enable Select this option to obtain the IP settings for the access point from a DHCP Dynamic Host Configuration Protocol server The IP address subnet mask default gateway and Domain Name Server DNS address are dynamically assigned to the access point by the network DHCP server Default Enable DHCP Client Disable Select this option to manually configure a static address for the access point IP Address The IP address of the access point Valid IP addresses consist of four decimal numbers 0 to 255 separated by periods Subnet Mask The mask that identifies the host address bits used for routing to specific subnets Default Gateway The default gateway is the IP address of the router for the access point which is used if the requested destination address is not on the local subnet If you have management stations
59. IS WARRANTY SHALL BE TAKEN TO AFFECT YOUR STATUTORY RIGHTS SMC will provide warranty service for one year following discontinuance from the active SMC price list Under the limited lifetime warranty internal and external power supplies fans and cables are covered by a standard one year warranty from date of purchase SMC Networks Inc 38 Tesla Irvine CA 92618 COMPLIANCES Federal Communication Commission Interference Statement 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 residential installation 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 However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or 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 of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an
60. MAC address and permission setting into the local database e MAC Authentication Table Displays current entries in the local MAC database Note Client station MAC authentication occurs prior to the IEEE 802 1x authentication procedure configured for the access point However a client s MAC address provides relatively weak user authentication since MAC addresses can be easily captured and used by another station to break into the network Using 802 1x provides more robust user authentication using user names and passwords or digital certificates So although you can configure the access point to use MAC address and 802 1x authentication together it is better to choose one or the other as appropriate 802 1x Setup IEEE 802 1x is a standard framework for network access control that uses a central RADIUS server for user authentication This control feature prevents unauthorized access to the network by requiring an 802 1x client application to submit user credentials for authentication The 802 1x standard uses the Extensible Authentication Protocol EAP to pass user credentials either digital certificates user names and passwords or other from the client to the RADIUS server Client authentication is then verified on the RADIUS server before the access point grants client access to the network Advanced Configuration The 802 1x EAP packets are also used to pass dynamic unicast session keys and static broadcast keys to wireless c
61. NABLED Enabled Protocol Filters SMC AP 5 24 Advanced Configuration SNMP You can use a network management application such as SMC s EliteView to manage the SMC2552W G via the Simple Network Management Protocol SNMP from a network management station To implement SNMP management the SMC2552W G must have an IP address and subnet mask configured either manually or dynamically Once an IP address has been configured appropriate SNMP communities and trap receivers should be configured Community names are used to control management access to SNMP stations as well as to authorize SNMP stations to receive trap messages from the access point To communicate with the access point amanagement station must first submit a valid community name for authentication You therefore need to assign community names to specified users or user groups and set the access level Identification BESNMP Disable Enable TCP IP Settings Radius Authentication Filter Control SNMP Administration e System Log Contact Pass 802 11big Interface Radio Settings Security e WPA Pass ee 4 5 25 System Configuration 5 26 SNMP Enables or disables SNMP management access and also enables the access point to send SNMP traps notifications SNMP management is enabled by default Location A text string that describes the system location Maximum length
62. P F factory defaults restoring 5 32 6 14 Index 1 Index filter 5 20 6 54 address 5 12 6 54 between wireless clients 5 22 6 60 local bridge 5 22 6 60 local or remote 5 12 6 57 management access 5 22 6 61 protocol types 5 22 6 62 VLANs 5 20 6 98 firmware displaying version 5 31 6 34 upgrading 5 30 5 31 6 42 fragmentation 6 80 G gateway address 4 3 5 7 6 2 6 69 H hardware version displaying 6 34 IAPP 6 97 IEEE 802 11a 1 1 5 40 6 68 configuring interface 5 41 6 68 maximum data rate 5 43 6 76 radio channel 5 42 6 77 IEEE 802 11b 5 40 IEEE 802 11f 6 97 IEEE 802 11g 5 40 configuring interface 5 41 6 68 maximum data rate 6 76 radio channel 6 77 IEEE 802 1x 5 54 6 50 configuring 5 14 6 50 initial setup 4 1 Index 2 installation hardware 2 1 mounting 2 1 IP address BOOTP DHCP 6 69 6 71 configuring 4 3 4 8 5 6 6 69 6 71 L LED indicators 1 4 lock Kensington 2 3 log messages 5 35 5 66 6 24 server 5 34 6 24 login CLI 6 1 web 4 5 logon authentication RADIUS client 5 13 6 45 M MAC address authentication 5 13 6 54 6 55 maximum data rate 5 43 6 76 802 11a interface 5 43 6 76 802 11g interface 6 76 maximum distances A 4 MDI RJ 45 pin configuration 1 5 mounting the access point 2 1 multicast cipher 5 57 6 88 N network topologies infrastructure 3 3 infrastructure for roaming 3 4 O OFDM 1 1 open system 5 47 operating frequency C 1 P
63. P The application protocol in the Internet suite of protocols which offers network management services Simple Network Time Protocol SNTP SNTP allows a device to set its internal clock based on periodic updates from a Network Time Protocol NTP server Updates can be requested from a specific NTP server or can be received via broadcasts sent by NTP servers Temporal Key Integrity Protocol TKIP A data encryption method designed as a replacement for WEP TKIP avoids the problems of WEP static keys by dynamically changing data encryption keys Trivial File Transfer Protocol TFTP A TCP IP protocol commonly used for software downloads Virtual LAN VLAN A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network A VLAN serves as a logical workgroup with no physical barriers and allows users to share information and resources as though located on the same LAN Glossary 6 Glossary Wi Fi Protected Access WPA employs 802 1x as its basic framework for user authentication and dynamic key management to provide an enhanced security solution for 802 11 wireless networks Wired Equivalent Privacy WEP WEP is based on the use of security keys and the popular RC4 encryption algorithm Wireless devices without a valid WEP key will be excluded from network traffic WPA Pre shared Key PSK PSK can be used for small office networks that ma
64. X operation you can use either straight through or crossover cable Position the Antennas The antennas emit signals along a toroidal plane and thus provide more effective coverage when positioned along different axes For example you might Hardware Installation position the antennas around 45 to 90 degrees from each other The access point also compares the strength of an incoming signal on both antennas and uses the antenna receiving the stronger signal to communicate with a wireless client Connect the Console Port Connect the console cable included to the RS 232 console port for accessing the command line interface You can manage the access point using the console port Chapter 6 the web interface Chapter 5 or SNMP management software such as SMC s EliteView 2 5 Hardware Installation 2 6 Chapter 3 Network Configuration The wireless solution supports a stand alone wireless network configuration as well as an integrated configuration with 10 100 Mbps Ethernet LANs Wireless network cards adapters and access points can be configured as e Ad hoc for departmental or enterprise LANs e Infrastructure for wireless LANs e Infrastructure wireless LAN for roaming wireless PCs The 802 11b and 802 11g frequency band which operates at 2 4 GHz can easily encounter interference from other 2 4 GHz devices such as other 802 11b or g wireless devices cordless phones and microwave ovens If you experien
65. Y OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SMC NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS SMC SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER S OR ANY THIRD PERSON S MISUSE NEGLECT IMPROPER INSTALLATION OR TESTING UNAUTHORIZED ATTEMPTS TO REPAIR OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING OR OTHER HAZARD LIMITATION OF LIABILITY INNO EVENT WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE SHALL SMC BE LIABLE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE LOSS OF BUSINESS OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF SMC OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES OR THE LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE NOTHING IN TH
66. a ro SMC AP config snmp server location WC 19 6 39 SMC AP config snmp server contact Paul 6 36 SMC AP config snmp server host 10 1 19 23 alpha 6 38 SMC AP config exit SMC AP show snmp 6 40 SNMP Information Service State Enable Community ro Community rw Location WC 19 Contact Paul Traps Enabled Host Name IP DOs L419523 Trap Community SMC AP 5 27 System Configuration Administration 5 28 Changing the Password Management access to the web and CLI interface on the SMC2552W G is controlled through a single user name and password You can also gain additional access security by using control filters see Filter Control on page 5 20 To protect access to the management interface you need to configure an Administrator s user name and password as soon as possible If the user name and password are not configured then anyone having access to the access point may be able to compromise access point and network security Note Pressing the Reset button on the back of the SMC2552W G for more than five seconds resets the user name and password to the factory defaults For this reason we recommend that you protect the access point from physical access by unauthorized persons Networks f SYSTEM Identification TCP IP Settings Radius Change Password Authentication Filter Control i Administration Jamin
67. anagement Commands Country Code Country Code Country Code Country Code Canada CA Iran IR Norway NO Ukraine UA Chile CL Ireland IE Oman OM United Arab AE Emirates China CN Israel IL Pakistan PK United GB Kingdom Colombia co Italy IT Panama PA United States US CostaRica CR Japan JP Peru PE Uruguay UY Croatia HR Jordan JO Philippines PH Venezuela VE Cyprus CY Kazakhstan KZ Poland PL Vietnam VN Czech CZ North KP Portugal PT Republic Korea Denmark DK Korea KR Puerto Rico PR Republic Default Setting US for units sold in the United States 99 no country set for units sold in other countries Command Mode Exec Command Usage e If you purchased an access point outside of the United States the country code must be set before radio functions are enabled e The available Country Code settings can be displayed by using the country command Example SMC AP country ie SMC AP Command Line Interface prompt This command customizes the CLI prompt Use the no form to restore the default prompt Syntax prompt string no prompt string Any alphanumeric string to use for the CLI prompt Maximum length 255 characters Default Setting SMC Enterprise AP Command Mode Global Configuration Example SMC Enterprise AP config prompt RD2 RD2 config system name This command specifies or modifies the system name for this device
68. and clients can use encryption to protect from interception and evesdropping Glossary 2 Glossary Extended Service Set ESS More than one wireless cell can be configured with the same Service Set Identifier to allow mobile users can roam between different cells with the Extended Service Set Extensible Authentication Protocol EAP An authentication protocol used to authenticate network clients EAP is combined with IEEE 802 1x port authentication and a RADIUS authentication server to provide mutual authentication between a client the access point and the a RADIUS server Ethernet A popular local area data communications network which accepts transmission from computers and terminals File Transfer Protocol FTP A TCP IP protocol used for file transfer Hypertext Transfer Protocol HTTP HTTP is a standard used to transmit and receive all data over the World Wide Web Internet Control Message Protocol ICMP A network layer protocol that reports errors in processing IP packets ICMP is also used by routers to feed back information about better routing choices IEEE 802 11b A wireless standard that supports wireless communications in the 2 4 GHz band using Direct Sequence Spread Spectrum DSSS The standard provides for data rates of 1 2 5 5 and 11 Mbps Glossary 3 Glossary IEEE 802 11g Awireless standard that supports wireless communications in the 2 4 GHz band using Orthogonal Frequency Division Multiplex
69. any client or with clients using pre configured static shared keys e Open System Select this option if you plan to use WPA or 802 1x as a security mechanism If you don t set up any other security mechanism on the access point the network has no protection and is open to all users This is the default setting e Shared Key Sets the access point to use WEP shared keys If this option is selected you must configure at least one key on the access point and all clients Note To use 802 1x on wireless clients requires a network card driver and 802 1x client software that supports the EAP authentication type that you want to use Windows XP provides native WPA support other systems require additional software Wired Equivalent Privacy WEP Setup Enable or disable the access point to use WEP shared keys for data encryption If this option is selected you must configure at least one key on the access point and all clients Default Disable Note Although WEP keys are not needed for WPA you must enable WEP encryption through the web or CLI in order to enable all types of encryption in the access point Radio Interface Shared Key Setup Select 64 Bit 128 Bit or 152 Bit key length Note that the same size of encryption key must be supported on all wireless clients Default 128 Bit Key Type Select the preferred method of entering WEP encryption keys on the access point and enter up to four keys e Hexadecimal Enter k
70. astern Time US amp Canada 3 Radio Settings Security WPA From YAN E Iran n I Enable Daylight Saving Enabling System Logging The SMC2552W G supports a logging process that can control error messages saved to memory or sent to a Syslog server The logged messages serve as a valuable tool for isolating access point and network problems System Log Setup Enables the logging of error messages Logging Host Enables the sending of log messages to a Syslog server host Server Name IP The IP address or name of a Syslog server Logging Console Enables the logging of error messages to the console Advanced Configuration Logging Level Sets the minimum severity level for event logging The system allows you to limit the messages that are logged by specifying a minimum severity level The following table lists the error message levels from the most severe Alert to least severe Debug The message levels that are logged include the specified minimum level up to the Alert level Error Level Description Alerts Immediate action needed Critical Critical conditions e g memory allocation or free memory error resource exhausted Error Error conditions e g invalid input default used Warning Warning conditions e g return false unexpected return Notice Normal but significant condition such as cold start Informational Informational messages only Debug Debugg
71. ation mode to VT100 e When using HyperTerminal select Terminal keys not Windows keys Note When using HyperTerminal with Microsoft Windows 2000 make sure that you have Windows 2000 Service Pack 2 or later installed Windows 2000 Service Pack 2 fixes the problem of arrow keys not functioning in HyperTerminal s VT100 emulation See www microsoft com for information on Windows 2000 service packs 4 Once you have set up the terminal correctly press the Enter key to initiate the console connection The console login screen will be displayed For a description of how to use the CLI see Using the Command Line Interface on page 6 1 For a list of all the CLI commands and detailed information on using the CLI refer to Command Groups on page 6 10 Initial Setup through the CLI Initial Configuration Steps Logging In Enter admin for the user name The default password is smcadmin The CLI prompt appears displaying SMC Enterprise AP Username admin Password smcadmin SMC Enterprise AP Setting the IP Address By default the access point is configured to obtain IP address settings from a DHCP server You may also use the command line interface CLI to assign an IP address that is compatible with your network Type configure to enter configuration mode then type interface ethernet to access the Ethernet interface configuration mode SMC Enterprise AP conf
72. ations Unfortunately WEP has been found to be flawed For more robust wireless security the SMC2552W G provides Wi Fi Protected Access WPA for improved data encryption and user authentication en Miho i SYSTEM E Security Identification E WEP TCPIIP Settings Radius Authentication Type Setup Authentication Filter Control SNMP Shared Key Allow users with a correct key to access Administration System Log Open System Allow everyone to access Wired Equivalent Privacy WEP Setup 802 1 1big Interface Radio Settings Disable Enable Security e WPA Shared Key Setup C 64Bit 128Bit 152 Bit Key Type Hexadecimal For 64 Bit enter 10 digits for 128 Bit enter 26 digits for 152 Bit enter 32 characters C Alphanumeric For 64 Bit enter 5 characters for 128 Bit enter 13 characters for 152 Bit enter 16 characters e 5 49 System Configuration 5 50 Setting up shared keys enables the basic IEEE 802 11 Wired Equivalent Privacy WEP on the access point to prevent unauthorized access to the network If you choose to use WEP shared keys instead of an open system be sure to define at least one static WEP key for user authentication and data encryption Also be sure that the WEP shared keys are the same for each client in the wireless network Authentication Type Setup Sets the access point to communicate as an open system that accepts network access attempts from
73. atus Station Configuration 802 11b and 802 11g Station Station Address Authenticated Associated KpWarding coy Typo The Station Configuration page displays basic connection information for all associated stations as described below Note that this page is automatically refreshed every five seconds e Station Address The MAC address of the wireless client e Authenticated Shows if the station has been authenticated The two basic methods of authentication supported for 802 11 wireless networks are open system and shared key Open system authentication accepts any client attempting to connect to the access point without verifying its identity The shared key approach uses Wired Equivalent Privacy WEP to verify client identity by distributing a shared key to stations before attempting authentication e Associated Shows if the station has been successfully associated with the access point Once authentication is completed stations can associate with the current access point or reassociate with a new access point The association Status Information procedure allows the wireless system to track the location of each mobile client and ensure that frames destined for each client are forwarded to the appropriate access point e Forwarding Allowed Shows if the station has passed 802 1x authentication and is now allowed to forward traffic to the access point e Key Type Displays Open System or Shared
74. ble filter Sets a filter for a specific Ethernet GC 6 63 ethernet type type protocol show filter Shows the filter configuration Exec 6 64 Filtering Commands Command Usage This command can disable wireless to wireless communications between clients via the access point However it does not affect communications between wireless clients and the wired network Example SMC AP config filter local bridge SMC AP config filter ap manage This command prevents wireless clients from accessing the management interface on the access point Use the no form to disable this filtering Syntax filter ap manage no filter ap manage Default Disabled Command Mode Global Configuration Example SMC AP config filter ap manage SMC AP config 6 61 Command Line Interface filter ethernet type enable This command checks the Ethernet type on all incoming and outgoing Ethernet packets against the protocol filtering table Use the no form to disable this feature Syntax filter ethernet type enable no filter ethernet type enable Default Disabled Command Mode Global Configuration Command Usage This command is used in conjunction with the filter ethernet type protocol command to determine which Ethernet protocol types are to be filtered Example SMC AP config filter ethernet type enable SMC AP config Related Commands filter ethernet type protocol page 6 63 6 62 Filt
75. bles the local database to be set up e Radius MAC The MAC address of the associating station is sent to a configured RADIUS server for authentication When using a RADIUS authentication server for MAC address authentication the server must first be configured in the Radius window page 5 9 e Disable No checks are performed on an associating station s MAC address Local MAC Authentication Configures the local MAC authentication database The MAC database provides a mechanism to take certain actions based on a wireless client s MAC address The MAC list can be configured to allow or deny network access to specific clients e System Default Specifies a default action for all unknown MAC addresses that is those not listed in the local MAC database Deny Blocks access for all MAC addresses except those listed in the local database as allowed Allow Permits access for all MAC addresses except those listed in the local database as denied 5 13 System Configuration 5 14 e MAC Authentication Settings Enters specified MAC addresses and permissions into the local MAC database MAC Address Physical address of a client Enter six pairs of hexadecimal digits separated by hyphens for example 00 90 D1 12 AB 89 Permission Select Allow to permit access or Deny to block access If Delete is selected the specified MAC address entry is removed from the database Update Enters the specified
76. can use the Tab key to complete partial commands or enter a partial command followed by the character to display a list of possible matches You can also use the following editing keystrokes for command line processing Keystroke Function Ctrl A Shifts cursor to start of command line Ctrl B Shifts cursor to the left one character Ctrl C Terminates a task and displays the command prompt Ctrl E Shifts cursor to end of command line Ctrl F Shifts cursor to the right one character Ctrl K Deletes from cursor to the end of the command line Ctrl L Repeats current command line on a new line Entering Commands Keystroke Function Ctri N Enters the next command line in the history buffer Ctrl P Shows the last command Ctrl R Repeats current command line on a new line Ctrl U Deletes the entire line Ctrl W Deletes the last word typed Esc B Moves the cursor backward one word Esc D Deletes from the cursor to the end of the word Esc F Moves the cursor forward one word Delete key or backspace key Erases a mistake when entering a command Command Line Interface Command Groups 6 10 The system commands can be broken down into the functional groups shown below Command Description Page Group General Basic commands for entering configuration 6 11 mode restarting the system or quitting the CLI System Controls
77. ccess Authorized management stations are able to both retrieve and modify MIB objects Default Setting e public Read only access Authorized management stations are only able to retrieve MIB objects e private Read write access Authorized management stations are able to both retrieve and modify MIB objects Command Mode Global Configuration Command Usage If you enter a community string without the ro or rw option the default is read only Example SMC AP config snmp server community alpha rw SMC AP config snmp server contact This command sets the system contact string Use the no form to remove the system contact information Syntax snmp server contact string no snmp server contact string String that describes the system contact Maximum length 255 characters Default Setting Contact 6 36 SNMP Commands Command Mode Global Configuration Example SMC AP config snmp server contact Paul SMC AP config Related Commands snmp server location page 6 39 snmp server enable server This command enables SNMP management access and also enables this device to send SNMP traps i e notifications Use the no form to disable SNMP service and trap messages Syntax snmp server enable server no snmp server enable server Default Setting Enabled Command Mode Global Configuration Command Usage e This command enables both authentication failure notifications and lin
78. ce poor wireless LAN performance try the following measures e Limit any possible sources of radio interference within the service area e Increase the distance between neighboring access points e Decrease the signal strength of neighboring access points e Increase the channel separation of neighboring access points e g up to 3 channels of separation for 802 11b or up to 5 channels for 802 119 3 1 Network Configuration Network Topologies Ad Hoc Wireless LAN no AP or Bridge An ad hoc wireless LAN consists of a group of computers each equipped with a wireless adapter connected via radio signals as an independent wireless LAN Computers in a specific ad hoc wireless LAN must therefore be configured to the same radio channel y Ad Hoc Wireless LAN EN V NS Notebook with Wireless USB Adapter biat PAN M amp Notebook with b J S Wireless PC Card PC with Wireless PCI Adapter p37 3 2 Network Topologies Infrastructure Wireless LAN The access point also provides access to a wired LAN for wireless workstations An integrated wired wireless LAN is called an Infrastructure configuration A Basic Service Set BSS consists of a group of wireless PC users and an access point that is directly connected to the wired LAN Each wireless PC in this BSS can talk to any computer in its wireless group via a radio link or access other computers or network resources in the wired LAN infrastructure
79. cess point can derive its operating power directly from the RJ 45 port when connected to a device that provides IEEE 802 3af compliant Power over Ethernet PoE Note If the access point is connected to both a PoE source device and an AC power source PoE will be disabled Warning Use ONLY the power adapter supplied with this access point Otherwise the product may be damaged Observe the Self Test When you power on the access point verify that the PWR indicator stops flashing and remains on and that the other indicators start functioning as described under LED Indicators on page 1 4 If the PWR LED does not stop flashing the self test has not completed correctly Refer to Troubleshooting on page A 1 Connect the Ethernet Cable The access point can be wired to a 10 100 Mbps Ethernet through a network device such as a hub or a switch Connect your network to the RJ 45 port on the back panel with category 3 4 or 5 UTP Ethernet cable When the access point and the connected device are powered on the LAN LED should light indicating a valid network connection Note The RJ 45 port on the access point uses an MDI pin configuration so you must use straight through cable for network connections to hubs or switches that only have MDI X ports and crossover cable for network connections to PCs servers or other end nodes that only have MDI ports However if the device to which you are connecting supports auto MDI MDI
80. cting supports auto MDIX operation you can use either straight through or crossover cable EIA TIA 568B RJ 45 Wiring Standard 10 100BASE TX Straight through Cable White Orange Stripe Yi Orange N White Green Stripe _ lt ee ee OO EndA Green a ONOnhwn Crossover Wiring Because the 10 100 Mbps port on the access point uses an MDI pin configuration you must use crossover cable for network connections to PCs servers or other end nodes that only have MDI ports However if the device to which you are connecting supports auto MDIX operation you can use either straight through or crossover cable EIA TIA 568B RJ 45 Wiring Standard 10 100BASE TX Crossover Cable White Orange Stripe White Green Stripe EndA EndB Green W B 3 Cables and Pinouts Console Port Pin Assignments The DB 9 DCE serial port on the front panel of the SMC2552W G is used to connect to the access point for out of band console configuration The command line configuration program can be accessed from a terminal or a PC running a terminal emulation program The pin assignments used to connect to the serial port are provided in the following tables Pin 1 Pin 9 Wiring Map for Serial Cable Signal serial port Pin Signa
81. d a shared collision domain CSMA CA It operates at 2 4 GHz for connections to 802 11g clients IEEE 802 119 includes backward compatibility with the IEEE 802 11b standard IEEE 802 11b also operates at 2 4 GHz but uses Direct Sequence Spread Spectrum DSSS modulation technology to achieve a communication rate of up to 11 Mbps 1 1 Introduction Package Checklist 1 2 The EliteConnect 2 4GHz 802 11g Wireless Access Point package includes One 2 4GHz 802 11g Wireless Access Point SMC2552W G One Category 5 network cable One RS 232 console cable One AC power adapter and power cord One mounting bracket Four rubber feet Three wall mount screws One Documentation CD This User Guide Inform your dealer if there are any incorrect missing or damaged parts If possible retain the carton including the original packing materials Use them again to repack the product in case there is a need to return it Please register this product and upgrade the product warranty at www smc com Hardware Description Hardware Description Front Panel i Antennas dal i Wireless Access a in c a LED Qa A JH ama SEHE Rear Panel r a U o i C li RJ 45 Port IN 3 3V 4A an Port PoE Connector Button Power Socket 1 3 Introduction Component Description Ante
82. dditional software Temporal Key Integrity Protocol TKIP WPA specifies TKIP as the data encryption method to replace WEP TKIP avoids the problems of WEP static keys by dynamically changing data encryption keys Basically TKIP starts with a master temporal key for each user session and then mathematically generates other keys to encrypt each data packet TKIP provides further data encryption enhancements by including a message integrity check for each packet and a re keying mechanism which periodically changes the master key WPA Pre Shared Key PSK Mode For enterprise deployment WPA requires a RADIUS authentication server to be configured on the wired network However for small office networks that may not have the resources to configure and maintain a RADIUS server WPA provides a simple operating mode that uses just a pre shared password for network access The Pre Shared Key mode uses a common password for user authentication that is manually entered on the access point and all wireless clients The PSK mode uses the same TKIP packet encryption and key management as WPA in the enterprise providing a robust and manageable alternative for small networks Mixed WPA and WEP Client Support WPA enables the access point to indicate its supported encryption and authentication mechanisms to clients using its beacon signal WPA compatible clients can likewise respond to indicate their WPA support This enables the access point to determi
83. ddress filtering table are allowed 6 54 802 1x Port Authentication Default allowed Command Mode Global Configuration Example SMC AP config address filter default denied SMC AP config Related Commands address filter entry page 6 55 show authentication page 6 59 address filter entry This command enters a MAC address in the filter table Syntax address filter entry lt mac address gt lt allowed denied gt e mac address Physical address of client Enter six pairs of hexadecimal digits separated by hyphens e g 00 90 D1 12 AB 89 e allowed Entry is allowed access denied Entry is denied access Default None Command Mode Global Configuration Command Mode e The access point supports up to 1024 MAC addresses 6 55 Command Line Interface An entry in the address table may be allowed or denied access depending on the global setting configured for the address entry default command Example SMC AP config address filter entry 00 70 50 cc 99 la allowed SMC AP config Related Commands address filter default page 6 54 show authentication page 6 59 address filter delete This command deletes a MAC address from the filter table Syntax address filter delete lt mac address gt mac address Physical address of client Enter six pairs of hexadecimal digits separated by hyphens Default None Command Mode Global Configuration Example
84. dio Settings TCPAP Settings Radius Enable A E se Radio Channel 102 SNMP Administration System Log SSID Broadcast Disable Enable Auto Channel Select Disable Enable 802 1 1big Interface Select Antenna Mode Diversity Radio Settings Security SNPA Transmit Power 100 z Maximum Station Data Rate 54 Mbps Working Mode b amp g mixed mode g only mode b only mode Beacon Interval 20 1000 100 TUs Data Beacon Rate DTIM 1 255 ER Beacons RTS Threshold 0 2347 2347 Bytes a00 Enable Enables radio communications on the SMC2552W G Default Enabled 5 41 System Configuration 5 42 Radio Channel The radio channel that the access point uses to communicate with wireless clients When multiple access points are deployed in the same area set the channel on neighboring access points at least four channels apart to avoid interference with each other For example in the United States you can deploy up to four access points in the same area e g channels 1 6 11 Also note that the channel for wireless clients is automatically set to the same as that used by the access point to which it is linked Range 1 11 Default 1 Auto Channel Select Enables the access point to automatically select an unoccupied radio channel Default Enabled SSID Broadcast The SSID broadcast can be disabled to prevent access to clients without a pre configured SS
85. e 5 SMC AP config 802 1x session key refresh rate This command sets the interval at which unicast session keys are refreshed for associated stations using dynamic keying Syntax 802 1x session key refresh rate lt rate gt rate The interval at which the access point refreshes a session key Range 0 1440 minutes Default Setting 0 Disabled Command Mode Global Configuration Command Usage Session keys are unique to each client and are used to authenticate a client connection and correlate traffic passing between a specific client and the access point 6 53 Command Line Interface Example SMC AP config 802 1x session key refresh rate 5 SMC AP config 802 1x session timeout This command sets the time period after which a connected client must be re authenticated Use the no form to disable 802 1x re authentication Syntax 802 1x session timeout lt seconds gt no 802 1x session timeout seconds The number of seconds Range 0 65535 Default 0 Disabled Command Mode Global Configuration Example SMC AP config 802 1x session timeout 300 SMC AP config address filter default This command sets filtering to allow or deny listed MAC addresses Syntax address filter default lt allowed denied gt allowed Only MAC addresses entered as denied in the address filtering table are denied denied Only MAC addresses entered as allowed in the a
86. e Firmware Upgrade Remote Downloads an operation code image file from a specified remote FTP or TFTP server After filling in the following fields click Start Upgrade to proceed e New firmware file Specifies the name of the code file on the server The new firmware file name should not contain slashes or the leading letter of the file name should not be a period and the maximum length for file names on the FTP TFTP 5 31 System Configuration 5 32 server is 255 characters or 32 characters for files on the access point Valid characters A Z a z 0 9 _ e IP Address IP address or host name of FTP or TFTP server e Username The user ID used for login on an FTP server e Password The password used for login on an FTP server Restore Factory Settings Click the Restore button to reset the configuration settings for the SMC2552W G to the factory defaults and reboot the system Note that all user configured information will be lost You will have to re enter the default user name admin and password smcadmin to re gain management access to this device Reset Access Point Click the Reset button to reboot the system Note If you have upgraded system software then you must reboot the SMC2552W G to implement the new operation code Before rebooting please reset the access point to the factory default and clear the browser cache Advanced Configuration CLI Commands for Downloading Softwar
87. e from a TFTP Server Use the copy tftp file command from the Exec mode and then specify the file type name and IP address of the TFTP server When the download is complete the dir command can be used to check that the new file is present in the access point file system To run the new software use the reset board command to reboot the access point SMC AP copy tftp file 6 42 1 Application image 2 Config file 3 Boot block image Select the type of download lt 1 2 3 gt es a fest TFTP Source file name smc img bin TFTP Server IP 192 168 1 19 SMC AP dir 6 44 File Name Type File Size dflt img bin 2 1319939 smc img bin 2 1629577 syscfg 5 17776 syscfg_bak 5 17776 262144 byte s available SMC AP reset board 6 14 Reboot system now lt y n gt y 5 33 System Configuration System Log 5 34 The SMC2552W G can be configured to send event and error messages to a System Log Server The system clock can also be synchronized with a time server so that all the messages sent to the Syslog server are stamped with the correct time and date SMC Networks SYSTEM Identification System Log TCPAP Settings Radius Authentication Hi SNTP Server Disable Enable Filter Control SNMP I Serie 1970 vear month Day T Hourfa6 min __ Administration System Log i Set Time Zone System Log Setup Disable Enable 802 11 big Interface Enter Time Zone GMT 05 E
88. each step 1 Service Set ID Enter the service set identifier in the SSID box which all wireless clients must use to associate with the access point The SSID is case sensitive and can consist of up to 32 alphanumeric characters Default SMC SMC Networks OES O Channel S IP Configuration SSID The SSID is designed for the radio to identify the appropriate clients Only clients with the same SSID can associate with this device SSID SMC 4 6 Using Web based Management Radio Channel You must enable radio communications for 802 11b and 802 11b g and set the operating radio channel none X Logou Channel Ei channet OIP Configuration HE 802 119 M Enable 802 11g Radio Channel fu Auto Channel Select Disable Enable Auto Channel Select Select Enable for automatic radio channel detection Default Enable 802 11g Radio Channel Set the operating radio 5 channel number Range 1 11 Note Available channel settings are limited by local regulations which determine which channels are available See Maximum Channels on page C 1 O 0O N0 N 120m 4 7 Initial Configuration 4 8 3 IP Configuration Either enable or disable Dynamic Host Configuration Protocol DHCP for automatic IP configuration If you disable DHCP then manually enter the IP address and subnet mask If a management station exists on another network
89. ease security SMC Networ SYSTEM Identification TCPIIP Settings Radius Authentication Filter Control SNMP Administration System Log 802 11 big Interface Radio Settings Security e WPA i Filter Control Native VLAN ID VLAN Disable Enable Local Bridge Filter AP Management Filter Disable Ethernet Type Filter Disable Enable 0x872d 0803 00806 OxObad 0x1000 0x2000 0x6004 0x6002 0x8138 0x8137 0x8035 0x8729 i OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF oF ofF OFF C oN C oN con con con con Con Con Con C oN C oN C oN Con Bi Disable Enable Prevent wireless client to wireless client communication Enable Prevent AP management via wireless client Native VLAN ID The VLAN ID assigned to wireless clients that are not assigned to a specific VLAN by RADIUS server configuration VLAN Enables or disables VLAN tagging support on the SMC2552W G If enabled the access point will tag traffic passing from wireless clients to the wired network with the VLAN ID associated with each client on the RADIUS server Up to 16 Advanced Configuration VLAN IDs can be mapped to specific wireless clients allowing users to remain within the same VLAN as they move around a campus site This feature can also be used to control access to network resources from wireles
90. east or after west UTC Enable Daylight Saving The access point provides a way to automatically adjust the system clock for Daylight Savings Time 5 37 System Configuration changes To use this feature you must define the month and date to begin and to end the change from standard time During this period the system clock is set back by one hour CLI Commands for SNTP To enable SNTP support on the access point from the global configuration mode specify SNTP server IP addresses using the sntp server ip command then use the sntp server enable command to enable the service Use the sntp server timezone command to set the time zone for your location and the sntp server daylight saving command to set daylight savings To view the current SNTP settings use the show sntp command SMC AP config sntp server ip 10 1 0 19 6 28 SMC AP config sntp server enable 6 29 SMC AP config sntp server timezone 8 6 32 SMC AP config sntp server daylight saving 6 31 Enter Daylight saving from which month lt 1 12 gt 3 and which day lt 1 31 gt 31 Enter Daylight saving end to which month lt 1 12 gt 10 and which day lt 1 31 gt 31 SMC AP config exit SMC AP show sntp 6 32 SNTP Information Service State Enabled SNTP server 1 IP 137 92 140 80 SNTP server 2 IP 192 43 244 18 Current Time 19 35 Jan 10th 2004 Time Zone 8 TAIPEI BEIJING Daylight Saving Enabled from Mar 31th to Oct 31th
91. ec 6 32 settings System Status Displays system configuration and version information show system Displays system information Exec 6 33 show version Displays version information for the Exec 6 34 system Command Line Interface country This command configures the access point s country code which identifies the country of operation and sets the authorized radio channels Syntax country lt country_code gt country_code A two character code that identifies the country of operation See the following table for a full list of codes Country Code Country Code Country Code Country Code Albania AL Dominican DO Kuwait KW Qatar QA Republic Algeria DZ Ecuador EC Latvia LV Romania RO Argentina AR Egypt EG Lebanon LB Russia RU Armenia AM Estonia EE Liechtenstein LI Saudi Arabia SA Australia AU Finland FI Lithuania LT Singapore SG Austria AT France FR Luxembourg LU Slovak SK Republic Azerbaijan AZ Georgia GE Macao MO Slovenia Sl Bahrain BH Germany DE Macedonia MK South Africa ZA Belarus BY Greece GR Malaysia MY Spain ES Belgium BE Guatemala GT Mexico MX Sweden SE Belize BZ Hong Kong HK Monaco MC Switzerland CH Bolivia BO Hungary HU Morocco MA Syria SY Brazil BR Iceland IS North NA Taiwan TW America Brunei BN India IN Netherlands NL Thailand TH Darussalam Bulgaria BG Indonesia ID New Zealand NZ Turkey TR 6 18 System M
92. eless clients to maintain contact with the access 55 point They may also carry power management information Range 20 1000 TUs Default 100 TUs Data Beacon Rate The rate at which stations in sleep mode must wake up to receive broadcast multicast transmissions Known also as the Delivery Traffic Indication Map DTIM interval it indicates how often the MAC layer forwards broadcast multicast traffic which is necessary to wake up stations that are using Power Save mode The default value of 2 indicates that the access point will save all broadcast multicast frames for the Basic Service Set BSS and forward them after every second beacon Using smaller DTIM intervals delivers broadcast multicast frames in a more timely manner causing stations in Power Save mode to wake up more often and drain power faster Using higher DTIM values reduces the power used by stations in Power Save mode but delays the transmission of broadcast multicast frames Range 1 255 beacons Default 2 beacons RTS Threshold Sets the packet size threshold at which a Request to Send RTS signal must be sent to a receiving station prior to the sending station starting communications The access point sends RTS frames to a receiving station to negotiate the 5 43 System Configuration 5 44 sending of a data frame After receiving an RTS frame the station sends a CTS clear to send frame to notify the sending station that it can start sending data
93. ement interface from wireless clients and traffic matching specific Ethernet protocol types SNMP Controls access to this access point from management stations using SNMP as well as the hosts that will receive trap messages 5 25 Administration Configures user name and password for management access upgrades software from local file FTP or TFTP server resets configuration settings to factory defaults and resets the access point 5 28 System Log Controls logging of error messages sets the system clock via SNTP server or manual configuration 5 34 Advanced Configuration Menu Description Page 802 11b g Configures the IEEE 802 11b g interface 5 40 Interface Radio Settings Configures radio signal parameters suchas 5 41 radio channel transmission rate and beacon settings Security Configures data encryption with Wired 5 47 Equivalent Protection WEP WPA Configures advanced encryption and 5 45 authentication with Wi Fi Protected Access WPA 5 3 System Configuration System Identification 5 4 The system information parameters for the SMC2552W G can be left at their default settings However modifying these parameters can help you to more easily distinguish different devices in your network You should set a Service Set Identification SSID to identify the wireless network service provided by the SMC2552W G Only clients with the same SSID can
94. en 802 1x is required the access point enforces 802 1x authentication for all 802 11 associated stations If 802 1x authentication is not initiated by the station the access point will initiate authentication Only those stations successfully authenticated with 802 1x are allowed to access the network 802 1x does not apply to the 10 100Base TX port Example SMC AP config 802 1x supported SMC AP config 802 1x broadcast key refresh rate 6 52 This command sets the interval at which the broadcast keys are refreshed for stations using 802 1x dynamic keying Syntax 802 1x broadcast key refresh rate lt rate gt rate The interval at which the access point rotates broadcast keys Range 0 1440 minutes Default Setting 0 Disabled Command Mode Global Configuration 802 1x Port Authentication Command Usage e The access point uses EAPOL Extensible Authentication Protocol Over LANs packets to pass dynamic unicast session and broadcast keys to wireless clients The 802 1x broadcast key refresh rate command specifies the interval after which the broadcast keys are changed The 802 1x session key refresh rate command specifies the interval after which unicast session keys are changed Dynamic broadcast key rotation allows the access point to generate a random group key and periodically update all key management capable wireless clients Example SMC AP config 802 1x broadcast key refresh rat
95. en different access points especially in a multi vendor environment Example SMC AP config iapp SMC AP config 6 97 Command Line Interface VLAN Commands 6 98 The access point can enable the support of VLAN tagged traffic passing between wireless clients and the wired network Up to 16 VLAN IDs can be mapped to specific wireless clients allowing users to remain within the same VLAN as they move around a campus site When VLAN is enabled on the access point a VLAN ID a number between 1 and 4095 can be assigned to each client after successful authentication using IEEE 802 1x and a central RADIUS server The user VLAN IDs must be configured on the RADIUS server for each user authorized to access the network If a user does not have a configured VLAN ID the access point assigns the user to its own configured native VLAN ID Note When VLANs are enabled the access point s Ethernet port drops all received traffic that does not include a VLAN tag To maintain network connectivity to the access point and wireless clients be sure that the access point is connected to a device port that supports IEEE 802 1Q VLAN tags The VLAN commands supported by the access point are listed below Commend Function Mode Page Enables a single VLAN for all traffic EEE native vlanid Configures the native VLAN for the 6 100 access point VLAN Commands vlan This command enables VLANs for all traffic Use
96. ent interface If all other recovery measure fail and the access point is still not functioning properly take any of these steps Reset the access point s hardware using the console interface web interface or through a power reset Reset the access point to its default configuration by pressing the reset button on the back panel for 5 seconds or more Then use the default user name admin with the password smcadmin to access the management interface A 3 Troubleshooting Maximum Distance Table Important Notice Maximum distances posted below are actual tested distance thresholds However there are many variables such as barrier composition and construction and local environmental interference that may impact your actual distances and cause you to experience distance thresholds far lower than those posted below 802 11b Wireless Distance Table Speed and Distance Ranges Environment 11 Mbps 5 5 Mbps 2 Mbps 1 Mbps Outdoors 300 m 465 m 500 m 515 m 984 ft 1525 ft 1639 ft 1689 ft Indoors2 60 m 70 m 83 m 85 m 197 ft 230 ft 272 ft 279 ft 802 119 Wireless Distance Table Environment 54 Mbps 48 36 Mbps Mbps Speed and Distance Ranges 24 18 12 Mbps Mbps Mbps 11 Mbps 9 6 Mbps Mbps 5 Mbps 2 1 Mbps Mbps Outdoors 82m 269 ft 100m 300 m 328 ft 984 ft 330 m 350 m 450 m 1082ft 1148 ft 1475 ft 470 m 485 m 495 m 1541 ft 159
97. er list of recently executed commands Understanding Command Modes 6 6 The command set is divided into Exec and Configuration classes Exec commands generally display information on system status or clear statistical counters Configuration commands on the other hand modify interface parameters or enable certain functions These classes are further divided into different modes Available commands depend on the selected mode You can always enter a question mark at the prompt to display a list of the commands available for the current mode The command classes and associated modes are displayed in the following table Class Mode Exec Privileged Configuration Global Interface ethernet Interface wireless Entering Commands Exec Commands When you open a new console session on access point the system enters Exec command mode Only a limited number of the commands are available in this mode You can access all other commands only from the configuration mode To access Exec mode open a new console session with the user name admin The command prompt displays as SMC Enterprise AP for Exec mode Username admin Password system login password SMC AP Configuration Commands Configuration commands are used to modify access point settings These commands modify the running configuration and are saved in memory The configuration commands are organized into three differe
98. er local 6 57 SMC AP config address filter default denied 6 54 SMC AP config address filter entry 00 70 50 cc 99 1a denied 6 55 SMC AP config address filter entry 00 70 50 cc 99 1b allowed 6 55 Authentication Information MAC Authentication Server LOCAL MAC Auth Session Timeout Value 300 secs 802 1x DISABLED Broadcast Key Refresh Rate 5 min Session Key Refresh Rate 5 min 802 1x Session Timeout Value 300 secs Address Filtering DENIED System Default DENY addresses not found in filter table Filter Table MAC Address Status 00 70 50 cc 99 la DENIED 00 70 50 cc 99 1b ALLOWED SMC AP System Configuration CLI Commands for RADIUS MAC Authentication Use the mac authentication server command from the global configuration mode to enable remote MAC authentication Set the timeout value for re authentication using the mac authentication session timeout command Be sure to also configure connection settings for the RADIUS server not shown in the following example To display the current settings use the show authentication command from the Exec mode SMC AP config mac authentication server remote 6 57 SMC AP config mac authentication session timeout 300 6 58 SMC AP config exit SMC AP show authentication 6 59 Authentication Information MAC Authentication Server REMOTE MAC Auth Session Timeout Value 300 secs 802 1x DISABLED Broadcast Key Refresh Rate 5 min Session Key Refre
99. ering Commands filter ethernet type protocol This command sets a filter for a specific Ethernet type Use the no form to disable filtering for a specific Ethernet type Syntax filter ethernet type protocol lt protocol gt no filter ethernet type protocol lt protocol gt protocol An Ethernet protocol type Options ARP RARP Berkeley Trailer Negotiation LAN Test X25 Level 3 Banyan CDP DEC XNS DEC MOP Dump Load DEC MOP DEC LAT Ethertalk Appletalk ARP Novell IPX old Novell IPX new EAPOL Telxon TXP Aironet DDP Enet Config Test Default None Command Mode Global Configuration Command Usage Use the filter ethernet type enable command to enable filtering for Ethernet types specified in the filtering table or the no filter ethernet type enable command to disable all filtering based on the filtering table Example SMC AP config filter ethernet type protocol ARP SMC AP config Related Commands filter ethernet type enable page 6 62 6 63 Command Line Interface show filters 6 64 This command shows the filter options and protocol entries in the filter table Command Mode Exec Example SMC AP show filters Protocol Filter Information Local Bridge ENABLED AP Management ENABLED Ethernet Type Filter ENABLED Enabled Protocol Filters Protocol ARP ISO 0x0806 SMC AP Interface Commands Interface Commands The commands described in this section configure
100. es in the string Maximum length 20 characters Default Setting DEFAULT Command Mode Global Configuration Example SMC AP config radius server key green SMC AP config radius server retransmit This command sets the number of retries Syntax radius server secondary retransmit number_of_retries e secondary Secondary server e number_of_retries Number of times the access point will try to authenticate logon access via the RADIUS server Range 1 30 6 47 Command Line Interface Default Setting 3 Command Mode Global Configuration Example SMC AP config radius server retransmit 5 SMC AP config radius server timeout This command sets the interval between transmitting authentication requests to the RADIUS server Syntax radius server secondary timeout number_of_seconds secondary Secondary server e number_of_seconds Number of seconds the access point waits for a reply before resending a request Range 1 60 Default Setting 5 Command Mode Global Configuration Example SMC AP config radius server timeout 10 SMC AP config 6 48 RADIUS Client show radius This command displays the current settings for the RADIUS server Default Setting None Command Mode Exec Example SMC AP show radius Radius Server Information IP f U9 168 1 25 Port 1812 Key KKKKK Retransmit 5 Timeout gt 10 IP 0 0 0 0
101. et un branchement sur une entr e d appareil EN 60320 IEC 320 La prise secteur doit se trouver proximit de l appareil et son acc s doit tre facile Vous ne pouvez mettre l appareil hors circuit qu en d branchant son cordon lectrique au niveau de cette prise L appareil fonctionne a une tension extr mement basse de s curit qui est conforme a la norme IEC 60950 Ces conditions ne sont maintenues que si l quipement auquel il est raccord fonctionne dans les m mes conditions France et P rou uniquement Ce groupe ne peut pas tre aliment par un dispositif a imp dance a la terre Si vos alimentations sont du type imp dance a la terre ce groupe doit tre aliment par une tension de 230 V 2 P T par le biais d un transformateur d isolement a rapport 1 1 avec un point secondaire de connexion portant l appellation Neutre et avec raccordement direct a la terre masse Cordon lectrique doit tre agr dans le pays d utilisation Etats Unis et Le cordon doit avoir regu I homologation des UL et un certificat de la CSA Canada Les spe cifications minimales pour un cable flexible sont AWG No 18 ouAWG No 16 pour un cable de longueur infe rieure a 2 me tres type SV ou SJ 3 conducteurs Le cordon doit tre en mesure d acheminer un courant nominal d au moins 10A La prise femelle de branchement doit tre du type a mise a la terre mise a la masse et respecter la configu
102. ey cryptography AES provides very strong encryption using a completely different ciphering algorithm to TKIP and WEP Authentication The process to verify the identity of a client requesting network access IEEE 802 11 specifies two forms of authentication open system and shared key Glossary 1 Glossary Backbone The core infrastructure of a network The portion of the network that transports information from one central location to another central location where it is unloaded onto a local system Basic Service Set BSS A set of 802 11 compliant stations and an access point that operate as a fully connected wireless network Beacon A signal periodically transmitted from the access point that is used to identify the service set and to maintain contact with wireless clients Broadcast Key Broadcast keys are sent to stations using 802 1x dynamic keying Dynamic broadcast key rotation is often used to allow the access point to generate a random group key and periodically update all key management capable wireless clients CSMA CA Carrier Sense Multiple Access with Collision Avoidance Dynamic Host Configuration Protocol DHCP Provides a framework for passing configuration information to hosts on a TCP IP network DHCP is based on the Bootstrap Protocol BOOTP adding the capability of automatic allocation of reusable network addresses and additional configuration options Encryption Data passing between the access point
103. eys as 10 hexadecimal digits 0 to 9 and A to F for 64 bit keys 26 hexadecimal digits for 128 bit keys or 32 hexadecimal digits for 152 bit keys e Alphanumeric Enter keys as 5 alphanumeric characters for 64 bit keys 13 alphanumeric characters for 128 bit keys or 16 alphanumeric characters for 152 bit keys e Transmit Key Select Selects the key number to use for encryption If the clients have all four keys configured to the same values you can change the encryption key to any of the four settings without having to update the client keys Note Key index and type must match that configured on the clients The configuration settings for WEP are summarized below WEP only WEP over 802 1x Authentication Type Shared Key WEP encryption Enable WPA clients only Disable Multicast Cipher WEP Shared Key 64 128 152 Key Type Hex 10 26 32 characters ASCII 5 13 16 characters Transmit Key 1 2 3 4 set index 802 1x Disabled MAC Authentication Any setting Authentication Type Open System WEP encryption Enable WPA clients only Disable Multicast Cipher WEP Shared Key 64 128 802 1x Required MAC Authentication Disabled Local 1 See Authentication page 5 12 2 See Radius page 5 9 5 51 System Configuration CLI Commands for WEP Shared Key Security From the 802 11g interface configuration mode use the authentication command to enable WEP shared key authentication and the
104. g Use the no form to remove the location string Syntax snmp server location text no snmp server location text String that describes the system location Maximum length 20 characters Default Setting None Command Mode Global Configuration Example SMC AP config snmp server location WC 19 SMC AP config Related Commands snmp server contact page 6 36 6 39 Command Line Interface show snmp This command displays the SNMP configuration settings Command Mode Exec Example SMC AP show snmp SNMP Information Service State Enable Community ro Community rw 3 Location WC 19 Contact Paul Traps Enabled Host Name IP 200219523 Trap Community SMC AP Flash File Commands These commands are used to manage the system code or configuration files Command Function Mode Page booffile Specifies the file or image used to GC 6 41 start up the system copy Copies a code image or configuration Exec 6 42 between flash memory and a FTP TFTP server delete Deletes a file or code image Exec 6 43 dir Displays a list of files in flash memory Exec 6 44 6 40 Flash File Commands bootfile This command specifies the image used to start up the system Syntax bootfile lt filename gt filename Name of the image file Default Setting None Command Mode Exec Command Usage e The file name should not contain slashes
105. gging ON zus ea whee oe eee ei aed 6 24 logging h st 2 44 Lede 2 2 4 2 eee ne Ge 6 24 TABLE OF CONTENTS logging console iunet Aaa N EEEE E 6 25 logging level renere ee aa a ee ees 6 26 logging facility type 2 eee eee eee 6 27 Show loging nA eee ae ie 6 27 sntp server ip eee ih aaa Henne nennen nen 6 28 sntp server enable 0 0 0 cee eet eee 6 29 sntp server date time 2222er nennen 6 30 sntp server daylight saving 22222 nee een 6 31 sntp server timezone 0 0 eee eee eee 6 32 SHOW SNIPN zuerst ng 6 32 SHOW SYSTE seiso aa naeh Der a na 6 33 sShoW Version nassen Ren eh an 6 34 SNMP Commands 0 000 cece ence e nn 6 35 snmp server community 0 020 eee eee eee 6 35 snmp server contact 0 0 0 0 nenn 6 36 snmp server enable server 0 0 eee ee 6 37 snmp server host 0 00 e eee eee 6 38 snmp server location 0 00 eee eee eee 6 39 SHOW SNMP 28 o2uise odes e a a dbs oie 6 40 Flash File Commands 222222222 nennen nn 6 40 bootie a ee ml aS E 6 41 COPY war ee Deere 6 42 delete al a earn ne ehe 6 43 GIs wie ne nee en Dee re en 6 44 RADIUS Client 22222 ns nennen nn 6 45 radius server address cee eee eee 6 46 radius server port 2 0 0 cee eee 6 46 radius server key 0 0 cee eee ee eee 6 47 radius server retransmit 0002 0c eee 6 47 radius server timeout
106. his format will not be accepted by the configuration program Example SMC AP config interface ethernet Enter Ethernet configuration commands one per line SMC AP if ethernet ip address 192 168 2 2 255 255 255 0 192 168 1253 SMC AP if ethernet Related Commands ip dhcp page 6 71 6 70 Interface Commands ip dhcp This command sets the IP address for the currently selected ethernet interface Use the no form to restore the default IP address Syntax ip dhcp no ip dhcp Default Setting Enabled Command Mode Interface Configuration Ethernet Command Usage e You must assign an IP address to this device to gain management access over the network or to connect the access point to existing IP subnets You can manually configure a specific IP address using the ip address command or direct the device to obtain an address from a DHCP server using this command When you use this command the access point will begin broadcasting DHCP client requests The current IP address i e default or manually configured address will continue to be effective until a DHCP reply is received Requests will be broadcast periodically by this device in an effort to learn its IP address DHCP values can include the IP address subnet mask and default gateway Example SMC AP config interface ethernet Enter Ethernet configuration commands one per line SMC AP if ethernet ip dhcp SMC AP if ethernet
107. ically and also each time the wireless client is re authenticated When the WPA mode is set to pre shared key the key must first be generated and distributed to all wireless clients before they can successfully associate with the access point Example SMC AP if wireless g wpa mode pre shared key SMC AP if wireless g Related Commands wpa clients page 6 89 wpa preshared key page 6 92 6 91 Command Line Interface wpa preshared key This command defines a Wi Fi Protected Access WPA preshared key Syntax wpa preshared key lt ype gt lt value gt e type Input format Options ASCII HEX e value The key string For ASCII input use 5 13 alphanumeric characters for 64 128 bit strings For HEX input use 10 26 hexadecimal digits for 64 128 bit strings Command Mode Interface Configuration Wireless Command Usage To support Wi Fi Protected Access WPA for client authentication use the wpa clients command to specify the authentication type use the wpa mode command to specify pre shared key mode and use this command to configure one static key e If WPA is used with pre shared key mode all wireless clients must be configured with the same pre shared key to communicate with the access point Example SMC AP if wireless g wpa preshared key ASCII agoodsecret SMC AP if wireless g Related Commands wpa clients page 6 89 wpa mode page 6 91 6 92 Interface Comma
108. ich stations in sleep mode must wake up to receive broadcast multicast transmissions IC W 6 79 fragmentation length Configures the minimum packet size that can be fragmented IC W 6 80 rts threshold Sets the packet size threshold at which an RTS must be sent to the receiving station prior to the sending station starting communications IC W 6 81 authentication Defines the 802 11 authentication type allowed by the access point IC W 6 82 encryption Defines whether or not WEP encryption is used to provide privacy for wireless communications IC W 6 83 key Sets the keys used for WEP encryption IC W 6 84 Interface Commands Command Function Mode Page transmit key Sets the index of the key to be used for encrypting data frames sent between the access point and wireless clients IC W 6 85 transmit power Adjusts the power of the radio signals transmitted from the access point IC W 6 86 max association Configures the maximum number of clients that can be associated with the access point at the same time IC W 6 87 multicast cipher Defines the cipher algorithm used for multicasting IC W 6 88 wpa clients Defines whether WPA is required or optionally supported for client stations IC W 6 89 wpa mode Specifies dynamic keys or a pre shared key IC W 6 91 wpa
109. igure SMC Enterprise AP config interface ethernet SMC Enterprise AP config if First type no dhcp to disable DHCP client mode Then type ip address ip address netmask gateway where ip address is the access point s IP address netmask is the network mask for the network and gateway is the default gateway router Check with your system administrator to obtain an IP address that is compatible with your network SMC Enterprise AP if ethernet no dhcp SMC Enterprise AP if ethernet ip address 192 168 2 2 255 255 255 0 192 168 2 254 SMC Enterprise AP if ethernet After configuring the access point s IP parameters you can access the management interface from anywhere within the attached network The command line interface can also be 4 3 Initial Configuration accessed using Telnet from any computer attached to the network Setting the Country Code Units sold in the United States are configured by default to use only radio channels 1 11 as defined by FCC regulations Units sold in other countries are configured by default without a country code i e 99 You must use the CLI to set the country code Setting the country code restricts operation of the access point to the radio channels permitted for wireless networks in the specified country Type exit to leave configuration mode Then type country to display the list of countries Select the code for your country
110. ing OFDM The standard provides for data rates of 6 9 11 12 18 24 36 48 54 Mbps IEEE 802 11g is also backward compatible with IEEE 802 1 1b IEEE 802 1x Port Authentication controls access to the switch ports by requiring users to first enter a user ID and password for authentication Infrastructure An integrated wireless and wired LAN is called an infrastructure configuration Inter Access Point Protocol IAPP A protocol that specifies the wireless signaling required to ensure the successful handover of wireless clients roaming between different 802 1 1f compliant access points Local Area Network LAN A group of interconnected computer and support devices MAC Address The physical layer address used to uniquely identify network nodes Network Time Protocol NTP NTP provides the mechanisms to synchronize time across the network The time servers operate in a hierarchical master slave configuration in order to synchronize local clocks within the subnet and to national time standards via wire or radio Glossary 4 Glossary Open System A security option which broadcasts a beacon signal including the access point s configured SSID Wireless clients can read the SSID from the beacon and automatically reset their SSID to allow immediate connection to the nearest access point Orthogonal Frequency Division Multiplexing ODFM OFDM allows multiple users to transmit in an allocated band by dividing the bandwidth i
111. ing is difficult to employ Frequently changing environments Retailers manufacturers and banks that frequently rearrange the workplace or change location Temporary LANs for special projects or peak times Trade shows exhibitions and construction sites which need temporary setup for a short time period Retailers airline and shipping companies that need additional workstations for a peak period Auditors who require workgroups at customer sites Access to databases for mobile workers Doctors nurses retailers or white collar workers who need access to databases while being mobile in a hospital retail store or an office campus System Defaults System Defaults The following table lists some of the access point s basic system defaults To reset the access point defaults use the CLI command reset configuration from the Exec level prompt Feature Parameter Default Identification System Name Enterprise AP Administration User Name admin Password smcadmin General HTTP Server Enabled HTTP Server Port 80 TCP IP DHCP Enabled IP Address 192 168 2 2 Subnet Mask 255 255 255 0 Default Gateway 0 0 0 0 Primary DNS IP 0 0 0 0 Secondary DNS IP 0 0 0 0 RADIUS IP Address 0 0 0 0 Cima ae Tee i812 Key DEFAULT Timeout 5 seconds Retransmit attempts 3 1 9 Introduction 1 10 Feature Parameter Default MAC MAC Local MAC ticati Authenticati
112. ing messages Note The access point error log can be viewed using the Event Logs window in the Status section page 5 66 The Event Logs window displays the last 128 messages logged in chronological order from the newest to the oldest Log messages saved in the access point s memory are erased when the device is rebooted 5 35 System Configuration CLI Commands for System Logging To enable logging on the access point use the logging on command from the global configuration mode The logging level command sets the minimum level of message to log Use the logging console command to enable logging to the console Use the logging host command to specify up to four Syslog servers The CLI also allows the logging facility type command to set the facility type number to use on the Syslog server To view the current logging settings use the show logging command SMC AP config logging on 6 24 SMC AP config logging level alert 6 26 SMC AP config logging console 6 25 SMC AP config logging host 1 10 1 0 3 514 6 24 SMC AP config logging facility type 19 6 27 SMC AP config exit SMC AP show logging 6 27 Logging Information Syslog State Enabled Logging Host State Enabled Logging Console State Enabled Server Domain name IP 2 1 10 713033 Logging Level Error Logging Facility Type 16 SMC AP 5 36 Advanced Configuration Configuring SNTP Simple Network Time Protocol SNTP allo
113. is the interval between two synchronous frames with broadcast multicast information The default value of 2 6 79 Command Line Interface indicates that the access point will save all broadcast multicast frames for the Basic Service Set BSS and forward them after every second beacon Using smaller DTIM intervals delivers broadcast multicast frames in a more timely manner causing stations in Power Save mode to wake up more often and drain power faster Using higher DTIM values reduces the power used by stations in Power Save mode but delays the transmission of broadcast multicast frames Example SMC AP if wireless g dtim period 100 SMC AP if wireless g fragmentation length This command configures the minimum packet size that can be fragmented when passing through the access point Syntax fragmentation length lt ength gt length Minimum packet size for which fragmentation is allowed Range 256 2346 bytes Default Setting 2346 Command Mode Interface Configuration Wireless Command Usage e If the packet size is smaller than the preset Fragment size the packet will not be segmented e Fragmentation of the PDUs Package Data Unit can increase the reliability of transmissions because it increases the probability of a successful transmission due to smaller frame size If there is significant interference present or 6 80 Interface Commands collisions due to high network utilization try setting the
114. iscover Sl Jan 01 01 43 46 Information DHCP Client Send Discover BE Jan 01 01 42 42 Information DHCP Client Send Discover EIS Jan 01 01 41 39 Information DHCP Client Send Discover HSH Jan 01 01 40 36 Information DHCP Client Send Discover BON Jan 01 01 39 32 Information DHCP Client Send Discover Bi Jan 01 01 38 28 Information DHCP Client Send Discover ZU Jan 01 01 37 25 Information DHCP Client Send Discover ZU Jan 01 01 36 21 Information DHCP Client Send Discover The Event Logs table displays the following information e Log Time The time the log message was generated e Event Level The logging level associated with this message For a description of the various levels see logging level on page 5 34 e Event Message The content of the log message Error Messages An example of a logged error message is Station Failed to authenticate unsupported algorithm This message may be caused by any of the following conditions e Access point was set to Open Authentication but a client sent an authentication request frame with a Shared key e Access point was set to Shared Key Authentication but a client sent an authentication frame for Open System 5 66 Status Information e WEP keys do not match When the access point uses Shared Key Authentication but the key used by client and access point are not the same the frame will be decrypted incorrectly using the wrong
115. ive VLAN ID IAPP State DHCP Client HTTP Server HTTP Server Port Slot Status Software Version SMC AP A324003220 SMC AP config native vlanid 3 6 100 SMC AP config vlan enable 6 99 Reboot system now lt y n gt y SMC AP show system 6 33 0 days 0 hours 32 minutes 51 r amp d Contact US UNITED STATES 00 30 F1 91 91 5B 192 168 2 2 255 255 255 0 192 168 2 250 DISABLED 3 ENABLED ENABLED ENABLED 5 23 System Configuration CLI Commands for Bridge Filtering Use the filter local bridge command from the global configuration mode to prevent wireless to wireless communications through the access point Use the filter ap manage command to restrict management access from wireless clients To configure Ethernet protocol filtering use the filter ethernet type enable command to enable filtering and the filter ethernet type protocol command to define the protocols that you want to filter To remove an entry from the table use the address filter delete command To display the current settings use the show filters command from the Exec mode SMC AP config filter local bridge 6 60 SMC AP config filter ap manage 6 61 SMC AP config filter ethernet type enable 6 62 SMC AP config filter ethernet type protocol ARP 6 63 SMC AP config exit SMC AP show filters 6 64 Protocol Filter Information Local Bridge ENABLED AP Management ENABLED Ethernet Type Filter E
116. k up down notifications The snmp server host command specifies the host device that will receive SNMP notifications Example SMC AP config snmp server enable server SMC AP config 6 37 Command Line Interface Related Commands snmp server host page 6 38 snmp server host This command specifies the recipient of an SNMP notification Use the no form to remove the specified host Syntax snmp server host lt host_ip_address host_name gt lt community string gt no snmp server host e host_ip_address IP of the host the targeted recipient e host_name Name of the host Range 1 20 characters e community string Password like community string sent with the notification operation Although you can set this string using the snmp server host command by itself we recommend that you define this string using the snmp server community command prior to using the snmp server host command Maximum length 23 characters Default Setting Host Address None Community String public Command Mode Global Configuration Command Usage The snmp server host command is used in conjunction with the snmp server enable server command to enable SNMP notifications 6 38 SNMP Commands Example SMC AP config snmp server host 10 1 19 23 batman SMC AP config Related Commands snmp server enable server page 6 37 snmp server location This command sets the system location strin
117. ket a message integrity check an extended initialization vector with sequencing rules and a re keying mechanism Enterprise level User Authentication via 802 1x and EAP To strengthen user authentication WPA uses 802 1x and the Extensible Authentication Protocol EAP Used together these protocols provide strong user authentication via a central RADIUS authentication server that authenticates each user on the network before they join it WPA also employs mutual authentication to prevent a wireless client from accidentally joining a rogue network Example SMC AP if wireless g wpa client required SMC AP if wireless g Related Commands wpa mode page 6 91 6 90 Interface Commands wpa mode This command specifies whether Wi Fi Protected Access WPA is to use 802 1x dynamic keys or a pre shared key Syntax wpa mode lt dynamic pre shared key gt e dynamic WPA with 802 1x dynamic keys e pre shared key WPA with a pre shared key Default Setting dynamic Command Mode Interface Configuration Wireless Command Usage e When the WPA mode is set to dynamic clients are authenticated using 802 1x via a RADIUS server Each client has to be WPA enabled or support 802 1x client software A RADIUS server must also be configured and be available in the wired network In the dynamic mode keys are generated for each wireless client associating with the access point These keys are regenerated period
118. l management console port Unused 1 Unused TXD transmit data 2 RXD receive data RXD receive data 3 TXD transmit data Unused 4 Unused GND ground 5 GND ground Unused 6 Unused CTS clear to send 7 RTS request to send RTS request to send 8 CTS clear to send Unused 9 Unused Note The left hand column pin assignments are for the female DB 9 connector on the access point Pin 2 TXD or transmit data must emerge on the management console s end of the connection as RXD receive data Pin 7 CTS or clear to send must emerge on the management console s end of the connection as RTS request to send B 4 Console Port Pin Assignments Serial Cable Signal Directions for DB 9 Ports DB 9 to DB 9 AP Terminal or PC oon onoFwWNh Reserved Reserved Reserved D a Reserved OO oS100 MN w MP co B 5 Cables and Pinouts B 6 Appendix C Specifications General Specifications Maximum Channels 802 1 1b g FCC IC 1 11 ETSI 1 13 France 10 13 MKK 1 14 Maximum Clients 64 Operating Range See Maximum Distance Table on page A 4 Data Rate 802 119 6 9 11 12 18 24 36 48 54 Mbps per channel 802 116 1 2 5 5 11 Mbps per channel Modulation Type 802 11g CCK BPSK QPSK OFDM 802 11b CCK BPSK QPSK Network Configuration Infrastructure Operating Frequency 802 11b g 2 4 2 4835 GHz
119. l teConnect Networks 2 4GHhZ 502 119 Wireless Access Point Jser Guide SMC2552W G Wireless Access Point User Guide The easy way to make all your network connections EliteConnect 2 4GHz 802 119 SMC Networks 38 Tesla Irvine CA 92618 April 2004 Phone 949 679 8000 Revision Number R01 F2 0 22 Copyright Information furnished by SMC Networks Inc SMC is believed to be accurate and reliable However no responsibility is assumed by SMC for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of SMC SMC reserves the right to change specifications at any time without notice Copyright 2004 by SMC Networks Inc 38 Tesla Irvine CA 92618 All rights reserved Trademarks SMC is a registered trademark and EliteConnect is a trademark of SMC Networks Inc Other product and company names are trademarks or registered trademarks of their respective holders LIMITED WARRANTY Limited Warranty Statement SMC Networks Inc SMC warrants its products to be free from defects in workmanship and materials under normal use and service for the applicable warranty term All SMC products carry a standard 90 day limited warranty from the date of purchase from SMC or its Authorized Reseller SMC may at its own discretion repair or replace any product n
120. lanid 3 SMC AP config Related Commands vlan page 6 99 6 100 Appendix A Troubleshooting Check the following items before you contact local Technical Support 1 If wireless clients cannot access the network check the following e Be sure the access point and the wireless clients are configured with the same Service Set ID SSID e If authentication or encryption are enabled ensure that the wireless clients are properly configured with the appropriate authentication or encryption keys e f authentication is being performed through a RADIUS server ensure that the clients are properly configured on the RADIUS server e If authentication is being performed through IEEE 802 1x be sure the wireless users have installed and properly configured 802 1x client software e If MAC address filtering is enabled be sure the client s address is included in the local filtering database or on the RADIUS server database e Ifthe wireless clients are roaming between access points make sure that all the access points and wireless devices in the Extended Service Set ESS are configured to the same SSID and authentication method A 1 Troubleshooting A 2 If the access point cannot be configured using the Telnet a web browser or SNMP software Be sure to have configured the access point with a valid IP address subnet mask and default gateway If VLANs are enabled on the access point the management s
121. lients Session keys are unique to each client and are used to encrypt and correlate traffic passing between a specific client and the access point You can also enable broadcast key rotation so the access point provides a dynamic broadcast key and changes it at a specified interval You can enable 802 1x as optionally supported or as required to enhance the security of the wireless network e Disable The access point does not support 802 1x authentication for any wireless client After successful wireless association with the access point each client is allowed to access the network e Supported The access point supports 802 1x authentication only for clients initiating the 802 1x authentication process i e the access point does not initiate 802 1x authentication For clients initiating 802 1x only those successfully authenticated are allowed to access the network For those clients not initiating 802 1x access to the network is allowed after successful wireless association with the access point e Required The access point enforces 802 1x authentication for all associated wireless clients If 802 1x authentication is not initiated by a client the access point will initiate authentication Only those clients successfully authenticated with 802 1x are allowed to access the network When 802 1x is enabled the broadcast and session key rotation intervals can also be configured e Broadcast Key Refresh Rate Sets the interval a
122. lity type for remote logging of syslog messages Syntax logging facility type lt type gt type A number that indicates the facility used by the syslog server to dispatch log messages to an appropriate service Range 16 23 Default Setting 16 Command Mode Global Configuration Command Usage The command specifies the facility type tag sent in syslog messages See RFC 3164 This type has no effect on the kind of messages reported by the access point However it may be used by the syslog server to sort messages or to store messages in the corresponding database Example SMC AP config logging facility 19 SMC AP config show logging This command displays the logging configuration Syntax show logging Command Mode Exec 6 27 Command Line Interface Example SMC AP show logging Logging Information Syslog State Disabled Logging Host State Enabled Logging Console State Disabled Server Domain name IP none Logging Level Error Logging Facility Type PcG SMC AP sntp server ip 6 28 This command sets the IP address of the servers to which SNTP time requests are issued Use the this command with no arguments to clear all time servers from the current list Syntax sntp server ip lt 1 2 gt lt ip gt e 1 First time server e 2 Second time server e ip IP address of an time server NTP or SNTP Default Setting 137 92 140 80 192 43 244 18 Command Mode G
123. lobal Configuration System Management Commands Command Usage When SNTP client mode is enabled using the sntp server enable command the sntp server ip command specifies the time servers from which the access point polls for time updates The access point will poll the time servers in the order specified until a response is received Example SMC AP config sntp server ip 10 1 0 19 SMC AP Related Commands sntp server enable page 6 29 show sntp page 6 32 sntp server enable This command enables SNTP client requests for time synchronization with NTP or SNTP time servers specified by the sntp server ip command Use the no form to disable SNTP client requests Syntax sntp server enable no sntp server enable Default Setting Disabled Command Mode Global Configuration Command Usage The time acquired from time servers is used to record accurate dates and times for log events Without SNTP the access point only records the time starting from the factory default set at the last bootup i e 00 14 00 January 1 1970 6 29 Command Line Interface Example SMC AP config sntp server enable SMC AP config Related Commands sntp server ip page 6 28 show sntp page 6 32 sntp server date time This command sets the system clock Default Setting 00 14 00 January 1 1970 Command Mode Global Configuration Example This example sets the system clock to 17 37 January 10 2004 SMC AP
124. logies 222222 3 2 Ad Hoc Wireless LAN no AP or Bridge 3 2 Infrastructure Wireless LAN 000 3 3 Infrastructure Wireless LAN for Roaming Wireless PCs 3 4 Initial Configuration 20 02200e 4 1 Initial Setup through the CLI 0 00000 0 4 1 Required Connections 22220 n nennen 4 1 Initial Configuration Steps 00 0c eee 4 3 Using Web based Management 2 2222 er ren 4 4 System Configuration 20 0055 5 1 Advanced Configuration 0 0c eee eee eee 5 2 System Identification 0 000 cee eee 5 4 TCP IP Settings a cee eee 5 6 Radius aide ea Laat eee eee eh eaters 5 9 Authentication 0 0 0 eee 5 12 Filter Control 1 0 0 2 0 ccc ee 5 20 SNMP iii eases neh Shea ni 5 25 Administration enkaa a e REE ee 5 28 System Log 2 namen 5 34 Radio Interface 2 2 22n2 nennen nenn 5 40 Radio Settings 802 119 2 22 0c eee een 5 41 SECUTI are a a a ee eae ae 5 47 Status Information 0 0000 ee 5 61 Access Point Status 2 222 sen seen nn 5 61 Station Status 22 2 nnen nennen eee 5 64 TABLE OF CONTENTS 6 xii EvVentLogs tink nenn cee tence thee daw 2s 5 66 Command Line Interface 6 1 Using the Command Line Interface 6 1 Accessing the CLI 0 00 c eee 6 1 Console Connection 0
125. mit key 2 SMC AP if wireless g transmit power This command adjusts the power of the radio signals transmitted from the access point Syntax transmit power lt signal strength gt signal strength Signal strength transmitted from the access point Options full half quarter eighth min Default Setting full Command Mode Interface Configuration Wireless Command Usage The min keyword indicates minimum power e The longer the transmission distance the higher the transmission power required But to support the maximum 6 86 Interface Commands number of users in an area you must keep the power as low as possible Power selection is not just a trade off between coverage area and maximum supported clients You also have to ensure that high strength signals do not interfere with the operation of other radio devices in your area Example SMC AP if wireless g transmit power half SMC AP if wireless g max association This command configures the maximum number of clients that can be associated with the access point at the same time Syntax max association lt count gt count Maximum number of associated stations Range 0 64 Default Setting 64 Command Mode Interface Configuration Wireless Example SMC AP if wireless g max association 32 SMC AP if wireless g 6 87 Command Line Interface multicast cipher 6 88 This command defines the cipher algori
126. must be configured with the same shared keys to communicate with the access point The encryption length specified in the encryption command and the key command must match The encryption index length and type configured in the access point must match those configured in the clients Example SMC AP SMC AP SMC AP SMC AP if wireless g key 1 128 hex 1234512345529 if wireless g key 2 128 ascii asdeipadjsipd if wireless g key 3 128 hex 1234512345123 if wireless g Related Commands authentication page 6 82 encryption page 6 83 transmit key This command sets the index of the key to be used for encrypting data frames broadcast or multicast from the access point to wireless clients Syntax transmit key lt index gt index Key index Range 1 4 Default Setting 1 Command Mode Interface Configuration Wireless 6 85 Command Line Interface Command Usage e If you use WEP key encryption the access point uses the transmit key to encrypt multicast and broadcast data signals that it sends to client devices Other keys can be used for decryption of data from clients e When using IEEE 802 1x the access point uses a dynamic WEP key to encrypt unicast and broadcast messages to 802 1x enabled clients However because the access point sends the WEP keys during the 802 1x authentication process these keys do not have to appear in the client s WEP key list Example SMC AP if wireless g trans
127. n zero degrees longitude To display a time corresponding to your local time you must indicate the number of hours and minutes your time zone is east before or west after of UTC Example SMC AP config sntp server timezone 8 SMC AP config show sntp This command displays the current time and configuration settings for the SNTP client Command Mode Exec 6 32 Example System Management Commands SMC AP show sntp SNTP Information Service State SNTP server 1 IP SNTP server 2 IP Current Time Time Zone Daylight Saving SMC AP Enabled 137 92 140 80 192 43 244 18 08 04 Jan 10th 2004 8 TAIPEI BEIJING Enabled from Jun 1st to Sep 1st show system This command displays basic system configuration settings Default Setting None Command Mode Exec 6 33 Command Line Interface Example SMC AP show system System Information Number Up time Name Location System Contact System Country Code MAC Address P Address ubnet Mask efault Gateway LAN State APP State HCP Client HTTP Server HTTP Server Port Slot Status Software Version Serial System System System lt UWNH OH SMC AP show version A341042933 0 days 1 hours SMC AP 8 minutes 9 seconds Contact IE IRELAND 00 04 E2 9C 74 8A 192 168 2 2 255 255 255 0 0 0 0 0 DISABLED ENABLED ENABLED ENABLED 80 802 11g only v2 0 22 This command dis
128. nds wpa psk type This command defines the Wi Fi Protected Access WPA preshared key type Syntax wpa psk type lt type gt type Input format Options Alphanumeric HEX Default Setting HEX Command Mode Interface Configuration Wireless Example SMC AP if wireless g wpa preshared key ASCII agoodsecret SMC AP if wireless g Related Commands wpa preshared key page 6 92 6 93 Command Line Interface shutdown This command disables the wireless interface Use the no form to restart the interface Syntax shutdown no shutdown Default Setting Interface enabled Command Mode Interface Configuration Wireless Example SMC AP if wireless g shutdown SMC AP if wireless g 6 94 show interface wireless Interface Commands This command displays the status for the wireless interface Syntax show interface wireless lt g gt e g 802 119 radio interface Command Mode Exec Example Description SSID Channel Status Transmit Power Max Station Data Rate Fragmentation Threshold RTS Threshold Beacon Interval DTIM Interval Maximum Association SSID Broadcast Multicast cipher Unicast cipher WPA clients Encryption Default Transmit Key Static Keys Key 2 EMPTY Authentication Type SMC AP Key 3 SMC AP show interface wireless g Wireless Interface Information Enterprise 802 11g Access Point SMC AP 0 AUTO Disable HALF
129. ne which clients are using 5 55 System Configuration 5 56 WPA security and which are using legacy WEP The access point uses TKIP unicast data encryption keys for WPA clients and WEP unicast keys for WEP clients The global encryption key for multicast and broadcast traffic must be the same for all clients therefore it restricts encryption to a WEP key When access is opened to both WPA and WEP clients no authentication is provided for the WEP clients through shared keys To support authentication for WEP clients in this mixed mode configuration you can use either MAC authentication or 802 1x authentication Advanced Encryption Standard AES Support WPA specifies AES encryption as an optional alternative to TKIP and WEP AES provides very strong encryption using a completely different ciphering algorithm to TKIP and WEP The developing IEEE 802 11i wireless security standard has specified AES as an eventual replacement for TKIP and WEP However because of the difference in ciphering algorithms AES requires new hardware support in client network cards that is currently not widely available The access point includes AES support as a future security enhancement The WPA configuration parameters are described below WPA Configuration Mode The access point can be configured to allow only WPA enabled clients to access the network or also allow clients only capable of supporting WEP Radio Interface WPA Key Management
130. ng Indicates that the access point is Green transmitting or receiving data through wireless links Security Slot The access point includes a Kensington security slot on the rear panel You can prevent unauthorized removal of the access point by wrapping the Kensington security cable not provided around an unmovable object inserting the lock into the slot and turning the key Console Port This port is used to connect a console device to the access point through a serial cable This connection is described under Console Port Pin Assignments on page B 4 The console device can be a PC or workstation running a VT 100 terminal emulator or a VT 100 terminal Ethernet Port The access point has one 10BASE T 100BASE TX RJ 45 port that can be attached directly to 1OBASE T 100BASE TX LAN segments These segments must conform to the IEEE 802 3 or 802 3u specifications This port uses an MDI i e internal straight through pin configuration You can therefore use straight through twisted pair cable to connect this port to most network interconnection devices such as a switch or router that provide MDI X ports 1 5 Introduction 1 6 However when connecting the access point to a workstation or other device that does not have MDI X ports you must use crossover twisted pair cable The access point appears as an Ethernet node and performs a bridging function by moving packets from the wired LAN to remote work
131. nnas The access point includes two antennas for wireless communications The signal transmitted from both antennas is identical but only the best signal received on one of the antennas is used The antennas transmit the outgoing signal as a toroidal sphere so the antennas should be adjusted to different angles to provide better coverage For further information see Positioning the Antennas on page 2 3 LED Indicators The access point includes three status LED indicators ee a ae as described in the following figure and table Power Ethernet 802 119 Link Activity Wireless Link Activity LED Status Description PWR Off No power On Green Power on and ready for operation On Amber H W error or system error Blinking Indicates one of the following Green Slow running the power on self test e loading new software LAN Off Indicates no valid Ethernet cable link on the RJ 45 port or that the port has been administratively disabled On Flashing Indicates a valid 100 Mbps link on the Green RJ 45 port Flashing indicates activity On Flashing Indicates a valid 10 Mbps link on the Amber RJ 45 port Flashing indicates activity 1 4 Hardware Description LED Status Description WLAN Off Indicates the 802 11b g radio is administratively disabled On Green The access point is associated with wireless clients but there is no network activity Blinki
132. nt modes e Global Configuration These commands modify the system level configuration and include commands such as username and password e Interface Ethernet Configuration These commands modify the Ethernet port configuration and include command such as dns and ip e Interface Wireless Configuration These commands modify the wireless port configuration and include command such as ssid and authentication 6 7 Command Line Interface To enter the Global Configuration mode enter the command configure in Exec mode The system prompt will change to SMC Enterprise AP config which gives you access privilege to all Global Configuration commands SMC AP configure Enter Ethernet configuration commands one per line SMC AP config To enter Interface mode you must enter the interface ethernet or interface wireless g command while in Global Configuration mode The system prompt will change to SMC Enterprise AP if ethernet or SMC Enterprise AP if wireless indicating that you have access privileges to the associated commands You can use the end command to return to the Exec mode SMC AP config interface ethernet SMC AP if ethernet Command Line Processing 6 8 Commands are not case sensitive You can abbreviate commands and parameters as long as they contain enough letters to differentiate them from any other currently available commands or parameters You
133. nterface ethernet Ethernet Interface Information IP Address 192 168 2 2 Subnet Mask 255 255 255 0 Default Gateway 192 168 1 253 Primary DNS 2 2192 168 7 55 Secondary DNS oO SS Admin status Up Operational status Up SMC AP Ethernet configuration commands one per line 6 69 6 68 6 68 6 12 6 72 5 8 Advanced Configuration Radius Remote Authentication Dial in User Service RADIUS is an authentication protocol that uses software running on a central server to control access to RADIUS aware devices on the network An authentication server contains a database of user credentials for each user that requires access to the network A primary RADIUS server must be specified for the SMC2552W G to implement IEEE 802 1x network access control and Wi Fi Protected Access WPA wireless security A secondary RADIUS server may also be specified as a backup should the primary server fail or become inaccessible Note This guide assumes that you have already configured RADIUS server s to support the access point If using WPA PSK mode then no RADIUS configuration is necessary Configuration of RADIUS server software is beyond the scope of this guide refer to the documentation provided with the RADIUS server software SMC Networks SYSTEM Radius Identification _ TCPAP Settings Primary Radius Server Setup Radius ER TOC E Filter Control hs e SNMP PSS ee m en Retran
134. ntication settings as well as the address filter table Command Mode Exec Example SMC AP show authentication Authentication Information MAC Authentication Server REMOTE MAC Auth Session Timeout Value 1 secs 802 1x SUPPORTED Broadcast Key Refresh Rate 5 min Session Key Refresh Rate 5 min 802 1x Session Timeout Value 300 secs Address Filtering DENIED System Default DENY addresses not found in filter table Filter Table MAC Address Status 00 70 50 cc 99 1la DENIED 00 70 50 cc 99 1b ALLOWED SMC AP config 6 59 Command Line Interface Filtering Commands The commands described in this section are used to filter communications between wireless clients control access to the management interface from wireless clients and filter traffic using specific Ethernet protocol types filter local bridge This command disables communication between wireless clients Use the no form to disable this filtering 6 60 Syntax filter local bridge no filter local bridge Default Disabled Command Mode Global Configuration Command Function Mode Page filter local bridge Disables communication between GC 6 60 wireless clients filter ap manage Prevents wireless clients from GC 6 61 accessing the management interface filter Checks the Ethernet type for all GC 6 62 ethernet type incoming and outgoing Ethernet enable packets against the protocol filtering ta
135. nto many narrow bandwidth carriers Power over Ethernet PoE A specification for providing both power and data to low power network devices using a single Category 5 Ethernet cable PoE provides greater flexibility in the locating of access point s and network devices and significantly decreased installation costs RADIUS A logon authentication protocol that uses software running on a central server to control access to the network Roaming A wireless LAN mobile user moves around an ESS and maintains a continuous connection to the infrastructure network RTS Threshold Transmitters contending for the medium may not be aware of each other RTS CTS mechanism can solve this Hidden Node Problem If the packet size is smaller than the preset RTS Threshold size the RTS CTS mechanism will NOT be enabled Service Set Identifier SSID An identifier that is attached to packets sent over the wireless LAN and functions as a password for joining a particular radio cell i e Basic Service Set BSS Glossary 5 Glossary Session Key Session keys are unique to each client and are used to authenticate a client connection and correlate traffic passing between a specific client and the access point Shared Key A shared key can be used to authenticate each client attached to a wireless network Shared Key authentication must be used along with the 802 11 Wireless Equivalent Privacy algorithm Simple Network Management Protocol SNM
136. ogin screen displays Username admin Password smcadmin SMC Enterprise AP Note Command examples shown later in this chapter abbreviate the console prompt to SMC AP for simplicity Telnet Connection 6 2 Telnet operates over the IP transport protocol In this environment your management station and any network device you want to manage over the network must have a valid IP address Valid IP addresses consist of four numbers 0 to 255 separated by periods Each address consists of a network portion and host portion For example if the access point cannot acquire an IP address from a DHCP server the default IP address used by the access point 192 168 2 2 consists of a network portion 192 168 2 and a host portion 2 To access the access point through a Telnet session you must first set the IP address for the access point and set the default gateway if you are managing the access point from a different IP subnet For example SMC AP configure SMC AP config interface ethernet Enter Ethernet configuration commands one per line SMC AP if ethernet ip address 10 1 0 1 255 255 255 0 10 1 0 254 SMC AP if ethernet If your corporate network is connected to another network outside your office or to the Internet you need to apply for a registered IP address However if you are attached to an isolated network then you can use any IP address that matches the network segment to which y
137. ommands Command Usage e The history buffer size is fixed at 10 commands e Use the up or down arrow keys to scroll through the commands in the history buffer Example In this example the show history command lists the contents of the command history buffer SMC AP show history config exit show history SMC AP show line This command displays the console port s configuration settings Command Mode Exec Example The console port settings are fixed at the values shown below SMC AP show line Console Line Information databits 2 8 parity none speed 9600 stop bits 1 SMC AP Command Line Interface System Management Commands 6 16 These commands are used to configure the user name password system logs browser management options clock settings and a variety of other system information that will receive logging messages Command Function Mode Page Country Setting Sets the country code for correct radio operation country Sets the access point country code Exec 6 18 Device Configures information that uniquely Designation identifies this device prompt Customizes the command line prompt GC 6 20 system name Specifies the host name for the access GC 6 20 point snmp server Sets the system contact string GC 6 36 contact snmp server Sets the system location string GC 6 39 location User Access Configures the use
138. on Authentication 0 seconds disabled Session Timeout Local MAC Allowed System Default Local MAC Allowed Permission 802 1x Status Disabled Authentication Broadcast Key Refresh 0 minutes disabled Session Key Refresh 0 minutes disabled Reauthentication Refresh Rate 0 seconds disabled VLAN Native VLAN ID 1 VLAN Tag Support Disabled Filter Control Local Bridge Disabled Local Management Disabled Ethernet Type Disabled SNMP Status Enabled Location null Contact Contact Community Public Read Only Community Private Read Write Traps Enabled Trap Destination null IP Address Trap Destination Public Community Name System Defaults Feature Parameter Default System Syslog Disabled Logging Logging Host Disabled Logging Console Disabled IP Address Host 0 0 0 0 Name Logging Level Informational Logging Facility Type 16 Ethernet Speed and Duplex Auto Interface Wireless IAPP Enabled ieee SMC Status Enabled Auto Channel Select Enabled SSID Broadcast Disabled Transmit Power Full Maximum Data Rate 54 Mbps Beacon Interval 100 TUs Data Beacon Rate 2 beacons DTIM Interval RTS Threshold 2347 bytes Introduction 1 12 Feature Parameter Default Wireless Authentication Type Open System eter WEP Encryption Disabled WEP Key Length 128 bit
139. onfiguration Example SMC AP config ip http port 1024 SMC AP config Related Commands ip http server page 6 23 ip http server This command allows this device to be monitored or configured from a browser Use the no form to disable this function Syntax ip http server no ip http server Default Setting Enabled Command Mode Global Configuration Example SMC AP config ip http server SMC AP config Related Commands ip http port page 6 22 6 23 Command Line Interface logging on This command controls logging of error messages i e sending debug or error messages to memory The no form disables the logging process Syntax logging on no logging on Default Setting None Command Mode Global Configuration Command Usage The logging process controls error messages saved to memory You can use the logging level command to control the type of error messages that are stored in memory Example SMC AP config logging on SMC AP config logging host This command specifies a syslog server host that will receive logging messages Use the no form to remove syslog server host Syntax logging host lt host_name host_ip_address gt no logging host e host_name The name of a syslog server Range 1 20 characters e host_ip_address The IP address of a syslog server 6 24 System Management Commands Default Setting None Command Mode Global Configu
140. onfiguration settings for the Exec 6 15 console port configure This command activates Global Configuration mode You must enter this mode to modify most of the settings on the access point You must also enter Global Configuration mode prior to enabling the context modes for Interface Configuration see Using the Command Line Interface on page 6 1 Default Setting None Command Mode Exec Example SMC AP configure Enter Ethernet configuration commands one per line SMC AP config Related Commands end page 6 12 Command Line Interface end exit 6 12 This command returns to the previous configuration mode Default Setting None Command Mode Global Configuration Interface Configuration Example This example shows how to return to the Configuration mode from the Interface Configuration mode SMC AP if ethernet end SMC AP config This command returns to the Exec mode or exits the configuration program Default Setting None Command Mode Any Example This example shows how to return to the Exec mode from the Interface Configuration mode and then quit the CLI session SMC AP if ethernet exit SMC AP exit CLI session with the Access Point is now closed Username General Commands ping This command sends ICMP echo request packets to another node on the network Syntax ping lt host_name ip_address gt e host_name Alias of the host e i
141. ot operating as warranted with a similar or functionally equivalent product during the applicable warranty term SMC will endeavor to repair or replace any product returned under warranty within 30 days of receipt of the product The standard limited warranty can be upgraded to a Limited Lifetime warranty by registering new products within 30 days of purchase from SMC or its Authorized Reseller Registration can be accomplished via the enclosed product registration card or online via the SMC Web site Failure to register will not affect the standard limited warranty The Limited Lifetime warranty covers a product during the Life of that Product which is defined as the period of time during which the product is an Active SMC product A product is considered to be Active while it is listed on the current SMC price list As new technologies emerge older technologies become obsolete and SMC will at its discretion replace an older product in its product line with one that incorporates these newer technologies At that point the obsolete product is discontinued and is no longer an Active SMC product A list of discontinued products with their respective dates of discontinuance can be found at http www smc com index cfm action customer_service_warranty All products that are replaced become the property of SMC Replacement products may be either new or reconditioned Any replaced or repaired product carries either a 30 day limited
142. ou are attached Entering Commands After you configure the access point with an IP address you can open a Telnet session by performing these steps 1 From the remote host enter the Telnet command and the IP address of the device you want to access 2 At the prompt enter the user name and system password The CLI will display the SMC Enterprise AP prompt to show that you are using executive access mode i e Exec 3 Enter the necessary commands to complete your desired tasks 4 When finished exit the session with the quit or exit command After entering the Telnet command the login screen displays Username admin Password smcadmin SMC AP Note You can open up to four sessions to the device via Telnet Entering Commands This section describes how to enter CLI commands Keywords and Arguments A CLI command is a series of keywords and arguments Keywords identify a command and arguments specify configuration parameters For example in the command show interfaces ethernet show and interfaces are keywords and ethernet is an argument that specifies the interface type 6 3 Command Line Interface You can enter commands as follows e To enter a simple command enter the command keyword e To enter commands that require parameters enter the required parameters after the command keyword For example to set a password for the administrator enter SMC Enterprise AP config
143. p_address IP address of the host Default Setting None Command Mode Exec Command Usage e Use the ping command to see if another site on the network can be reached e The following are some results of the ping command Normal response The normal response occurs in one to ten seconds depending on network traffic Destination does not respond lf the host does not respond a timeout appears in ten seconds Destination unreachable The gateway for this destination indicates that the destination is unreachable Network or host unreachable The gateway found no corresponding entry in the route table e Press lt Esc gt to stop pinging Example SMC AP ping 192 168 2 2 192 168 2 2 is alive SMC AP 6 13 Command Line Interface reset This command restarts the system or restores the factory default settings Syntax reset lt board configuration gt board Reboots the system e configuration Resets the configuration settings to the factory defaults and then reboots the system Default Setting None Command Mode Exec Command Usage When the system is restarted it will always run the Power On Self Test Example This example shows how to reset the system SMC AP reset board Reboot system now lt y n gt y show history This command shows the contents of the command history buffer Default Setting None Command Mode Exec 6 14 General C
144. plays the software version for the system Default Setting None Command Mode Exec Example SMC AP show version Version v2 0 22 SMC AP 6 34 SNMP Commands SNMP Commands Controls access to this access point from management stations using the Simple Network Management Protocol SNMP as well as the hosts that will receive trap messages Command Function Mode Page snmp server Sets up the community access string GC 6 35 community to permit access to SNMP commands snmp server Sets the system contact string GC 6 36 contact snmp server Enables SNMP service and traps GC 6 37 enable server snmp server host Specifies the recipient of an SNMP GC 6 38 notification operation snmp server Sets the system location string GC 6 39 location show snmp Displays the status of SNMP Exec 6 40 communications snmp server community This command defines the community access string for the Simple Network Management Protocol Use the no form to remove the specified community string Syntax snmp server community string ro rw no snmp server community string e string Community string that acts like a password and permits access to the SNMP protocol Maximum length 23 characters case sensitive 6 35 Command Line Interface e ro Specifies read only access Authorized management stations are only able to retrieve MIB objects e rw Specifies read write a
145. preshared key Defines a WPA preshared key value IC W 6 92 wpa psk type Defines the type of the preshared key IC W 6 93 shutdown Disables the wireless interface IC W 6 94 show interface wireless Shows the status for the wireless interface Exec 6 95 show station Shows the wireless clients associated with the access point Exec 6 96 6 67 Command Line Interface interface This command configures an interface type and enters interface configuration mode Syntax interface lt ethernet wireless lt g gt gt e ethernet Interface for wired network wireless Interface for wireless clients e g 802 119 radio interface Default Setting None Command Mode Global Configuration Example To specify the 10 100Base TX network interface enter the following command SMC AP config interface ethernet SMC AP if ethernet dns server This command specifies the address for the primary or secondary domain name server to be used for name to address resolution Syntax dns primary server lt server address gt dns secondary server lt server address gt e primary server Primary server used for name resolution e secondary server Secondary server used for name resolution e server address IP address of domain name server 6 68 Interface Commands Default Setting None Command Mode Global Configuration Command Usage
146. r name and password for management access username Configures the user name for GC 6 21 management access password Specifies the password for GC 6 22 management access Web Server Enables management access via a web browser ip http port Specifies the port to be used by the GC 6 22 web browser interface ip http server Allows the access point to be GC 6 23 monitored or configured from a browser Event Logging Controls logging of error messages logging on Controls logging of error messages GC 6 24 logging host Adds a syslog server host IP address GC 6 24 System Management Commands Command Function Mode Page logging console Initiates logging of error messages to GC 6 25 the console logging level Defines the minimum severity level for GC 6 26 event logging logging Sets the facility type for remote logging GC 6 27 facility type of syslog messages show logging Displays the state of logging Exec 6 27 System Clock Sets the system clock via an NTP SNTP server sntp server ip Specifies one or more time servers GC 6 28 sntp server Accepts time from the specified time GC 6 29 enable servers sntp server Manually sets the system date and GC 6 30 date time time sntp server Sets the start and end dates for GC 6 31 daylight saving daylight savings time sntp server Sets the time zone for the access GC 6 32 timezone point s internal clock show sntp Shows current SNTP configuration Ex
147. ration Example SMC AP config logging host 10 1 0 3 SMC AP config logging console This command initiates logging of error messages to the console Use the no form to disable logging to the console Syntax logging console no logging console Default Setting Disabled Command Mode Global Configuration Example SMC AP config logging console SMC AP config 6 25 Command Line Interface logging level This command sets the minimum severity level for event logging Syntax logging level lt Alert Critical Error Warning Notice Informational Debug gt Default Setting Error Command Mode Global Configuration Command Usage Messages sent include the selected level down to Alert level Level Argument Description Alerts Immediate action needed Critical Critical conditions e g memory allocation or free memory error resource exhausted Error Error conditions e g invalid input default used Warning Warning conditions e g return false unexpected return Notice Normal but significant condition such as cold start Informational Informational messages only Debug Debugging messages There are only Critical Notice and Informational messages for the current firmware Example SMC AP config logging level alert SMC AP config 6 26 System Management Commands logging facility type This command sets the faci
148. ration NEMA 5 15P 15 A 125 V ou NEMA 6 15P 15 A 250 V Danemark La prise male d alimentation doit respecter la section 107 2 D1 de la norme DK2 1a ou DK2 5a COMPLIANCES Cordon lectrique Il doit tre agr dans le pays d utilisation Suisse La prise male d alimentation doit respecter la norme SEV ASE 1011 Europe La prise secteur doit tre conforme aux normes CEE 7 7 SCHUKO LE cordon secteur doit porter la mention lt HAR gt ou lt BASEC gt et doit tre de type HO3VVF3G0 75 minimum Bitte unbedingt vor dem Einbauen des Switches die folgenden Sicherheitsanweisungen durchlesen Germany WARNUNG Die Installation und der Ausbau des Ger ts darf nur durch Fachpersonal erfolgen Das Ger t sollte nicht an eine ungeerdete Wechselstromsteckdose angeschlossen werden Das Ger t mu an eine geerdete Steckdose angeschlossen werden welche die internationalen Sicherheitsnormen erf llt Der Ger testecker der Anschlu an das Ger t nicht der Wandsteckdosenstecker mu einen gem EN 60320 IEC 320 konfigurierten Ger teeingang haben Die Netzsteckdose mu in der N he des Ger ts und leicht zug nglich sein Die Stromversorgung des Ger ts kann nur durch Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gem IEC 60950 Diese Bedingungen sind nur
149. reless g SMC AP if wireless g ssid r amp d SMC AP if wireless g end 6 6 6 6 6 SMC AP show system System Information A324003220 Serial Number System Up time System Name System Location System Contact System Country Code MAC Address IP Address Subnet Mask Default Gateway VLAN State Native VLAN ID IAPP State DHCP Client HTTP Server HTTP Server Port Slot Status Software Version SMC AP 6 0 days 0 hours 32 minutes 51 seconds r amp d Contact US UNITED STATES 00 30 F1 91 91 5B 192 108 2 5I 255 255 255 0 192 168 2 250 DISABLED 1 ENABLED ENABLED ENABLED SH 20 68 78 12 233 5 5 System Configuration TCP IP Settings 5 6 Configuring the SMC2552W G with an IP address expands your ability to manage the access point A number of access point features depend on IP addressing to operate Note You can use the web browser interface to access IP addressing only if the access point already has an IP address that is reachable through your network By default the SMC2552W G will be automatically configured with IP settings from a Dynamic Host Configuration Protocol DHCP server However if you are not using a DHCP server to configure IP addressing use the CLI to manually configure the initial IP values page 4 3 After you have network access to the access point you can use the web browser interface to modify the initial
150. rface Configuration Wireless Command Usage Clients that want to connect to the wireless network via an access point must set their SSIDs to the same as that of the access point Example SMC AP if wireless g ssid RD AP 3 SMC AP if wireless g beacon interval This command configures the rate at which beacon signals are transmitted from the access point Syntax beacon interval lt interval gt interval The rate for transmitting beacon signals Range 20 1000 milliseconds Default Setting 100 6 78 Interface Commands Command Mode Interface Configuration Wireless Command Usage The beacon signals allow wireless clients to maintain contact with the access point They may also carry power management information Example SMC AP if wireless g beacon interval 150 SMC AP if wireless g dtim period This command configures the rate at which stations in sleep mode must wake up to receive broadcast multicast transmissions Syntax dtim period lt interval gt interval Interval between the beacon frames that transmit broadcast or multicast traffic Range 1 255 beacon frames Default Setting 2 Command Mode Interface Configuration Wireless Command Usage e The Delivery Traffic Indication Map DTIM packet interval value indicates how often the MAC layer forwards broadcast multicast traffic This parameter is necessary to wake up stations that are using Power Save mode e The DTIM
151. rk port GC 6 46 radius server key Sets the RADIUS encryption key GC 6 47 radius server Sets the number of retries GC 6 47 retransmit radius server Sets the interval between sending GC 6 48 timeout authentication requests show radius Shows the current RADIUS settings Exec 6 49 6 45 Command Line Interface radius server address This command specifies the primary and secondary RADIUS servers Syntax radius server address secondary lt host_ip_address host_name gt secondary Secondary server e host_ip_address IP address of server e host_name Host name of server Range 1 20 characters Default Setting None Command Mode Global Configuration Example SMC AP config radius server address 192 168 1 25 SMC AP config radius server port This command sets the RADIUS server network port Syntax radius server secondary port lt port_number gt secondary Secondary server e port_number RADIUS server UDP port used for authentication messages Range 1024 65535 Default Setting 1812 Command Mode Global Configuration 6 46 RADIUS Client Example SMC AP config radius server port 1812 SMC AP config radius server key This command sets the RADIUS encryption key Syntax radius server secondary key lt key_string gt secondary Secondary server e key_string Encryption key used to authenticate logon access for client Do not use blank spac
152. ryption 64 128 or 152 thus enabling encryption i e all types of encryption in the access point Do not use WEP unless the access point must support both WPA and WEP clients See Authentication page 5 12 See Radius page 5 9 Radio Interface CLI Commands for WPA Pre shared Key Security From the 802 11g interface configuration mode use the authentication command to set the access point to Open System Use the WEP encryption command to enable all types of encryption To enable WPA to be required for all clients use the wpa clients command Use the wpa mode command to enable the Pre shared Key mode To enter a key value use the wpa psk type command to specify a hexadecimal or alphanumeric key and then use the wpa preshared key command to define the key Then disable 802 1x and MAC authentication To view the current 802 11g security settings use the show interface wireless g command not shown in example SMC AP config interface wireless g 6 68 Enter Wireless configuration commands one per line SMC AP if wireless g authentication open 6 82 SMC AP if wireless g encryption 128 6 83 SMC AP if wireless g wpa clients required 6 89 SMC AP if wireless g wpa mode pre shared key 6 91 SMC AP if wireless g wpa psk type alphanumeric 6 93 SMC AP if wireless g wpa preshared key ASCII asecret 6 92 SMC AP if wireless g end SMC AP config no 802 1x 6 51 SMC AP config no mac authentication 6 57
153. s WEP Key Type Hexadecimal WEP Transmit Key 1 Number WEP Keys null WPA Configuration All clients Mode WPA Key WPA authentication Management over 802 1x Multicast Cipher WEP 1 Chapter 2 Hardware Installation Select a Site Choose a proper place for the access point In general the best location is at the center of your wireless coverage area within line of sight of all wireless devices Try to place the access point in a position that can best cover its Basic Service Set refer to Infrastructure Wireless LAN on page 3 3 Normally the higher you place the access point the better the performance Mount the Access Point The access point can be mounted on any horizontal surface or wall You can mount the access point on a wall as shown in the illustrations on the next page Mounting on a horizontal surface To keep the access point from sliding on the surface attach the four rubber feet provided in the accessory kit to the embossed circles on the bottom of the access point Mounting on a wall The access point should be mounted only to a wall or wood surface that is at least 1 2 inch plywood or its equivalent Position the mounting bracket on the wall and mark the holes The orientation shown in the following figure is the most secure position for mounting the access point Do not mount the access point with the retaining latches pointing down To mount the access point on a plastered brick or
154. s clients thereby improving security A VLAN ID 1 4095 is assigned to a client after successful authentication using IEEE 802 1x and a central RADIUS server The user VLAN IDs must be configured on the RADIUS server for each user authorized to access the network If a user does not have a configured VLAN ID the access point assigns the user to its own configured native VLAN ID When setting up VLAN IDs for each user on the RADIUS server be sure to use the RADIUS attributes and values as indicated in the following table Number RADIUS Attribute Value 64 Tunnel Type VLAN 13 65 Tunnel Medium Type 802 81 Tunnel Private Group VLANID 1 to 4095 in hexadecimal Note The specific configuration of RADIUS server software is beyond the scope of this guide Refer to the documentation provided with the RADIUS server software 5 21 System Configuration 5 22 When VLAN filtering is enabled the access point must also have 802 1x authentication enabled and a RADIUS server configured Wireless clients must also support 802 1x client software to be assigned to a specific VLAN When VLAN filtering is disabled the access point ignores the VLAN tags on any received frames Local Bridge Filter Controls wireless to wireless communications between clients through the SMC2552W G However it does not affect communications between wireless clients and the wired network e Disable Allows wireless to wireles
155. s communications between clients through the access point e Enable Blocks wireless to wireless communications between clients through the access point AP Management Filter Controls management access to the SMC2552W G from wireless clients Management interfaces include the web Telnet or SNMP e Disable Allows management access from wireless clients e Enable Blocks management access from wireless clients Ethernet Type Filter Controls checks on the Ethernet type of all incoming and outgoing Ethernet packets against the protocol filtering table e Disable Access point does not filter Ethernet protocol types e Enable Access point filters Ethernet protocol types based on the configuration of protocol types in the filter table If a protocol has its status set to ON the protocol is filtered from the access point Advanced Configuration CLI Commands for VLAN Support From the global configuration mode use the native vlanid command to set the default VLAN ID for the Ethernet interface then enable VLANs using the vlan enable command When you change the access point s VLAN support setting you must reboot the access point to implement the change To view the current VLAN settings use the show system command System Information Serial Number System Up time seconds System Name System Location System Contact System Country Code MAC Address IP Address Subnet Mask Default Gateway VLAN State Nat
156. s the radio channel through which the access point communicates with wireless clients Syntax channel lt channel auto gt e channel Manually sets the radio channel used for communications with wireless clients Range 802 119 1 to 11 for US amp Canada 10 to 13 for France 1 to 13 for rest of Europe 1 to 14 for Japan e auto Automatically selects an unoccupied channel if available Otherwise the lowest channel is selected Default Setting Automatic channel selection Command Mode Interface Configuration Wireless Command Usage e The available channel settings are limited by local regulations which determine the number of channels that are available When multiple access points are deployed in the same area be sure to choose a channel separated by at least five channels for 802 11g to avoid having the channels interfere with each other You can deploy up to three access points in the same area for 802 11g e g channels 1 6 11 For most wireless adapters the channel for wireless clients is automatically set to the same as that used by the access point to which it is linked Example SMC AP if wireless g channel 1 SMC AP if wireless g 6 77 Command Line Interface ssid This command configures the service set identifier SSID Syntax ssid string string The name of a basic service set supported by the access point Range 1 32 characters Default Setting smc Command Mode Inte
157. segment then you must enter the IP address for a gateway that can route traffic between these segments Then enter the IP address for the primary and secondary Domain Name Servers DNS servers to be used for host name to IP address resolution 0 cry ii TCP IP Settings channet DHCP Client 0 IP Configuration Enable The Access Point will obtain the IP Address from the DHCP Server Disable The Access Point will use the following IP setup Secondary ONS Adress 1000 z DHCP Client With DHCP Client enabled the IP address subnet mask and default gateway can be dynamically assigned to the access point by the network DHOP server Default Enable Note If there is no DHCP server on your network then the access point will automatically start up with its default IP address 192 168 2 2 Using Web based Management 4 Click Finish 5 Click the OK button to restart the access point Configuration has been saved 4 9 Initial Configuration 4 10 Chapter 5 system Configuration Before continuing with advanced configuration first complete the initial configuration steps described in Chapter 4 to set up an IP address for the SMC2552W G The SMC2552W G can be managed by any computer using a web browser Internet Explorer 5 0 or above or Netscape Navigator 6 2 or above The SMC2552W G Access Point is DHCP enabled by default To log into the SMC2552W G enter the default user name
158. sh Rate 5 min 802 1x Session Timeout Value 300 secs Address Filtering DENIED System Default DENY addresses not found in filter table Filter Table MAC Address Status 00 70 50 cc 99 1a DENIED 00 70 50 cc 99 1b ALLOWED SMC AP 5 18 Advanced Configuration CLI Commands for 802 1x Authentication Use the 802 1x supported command from the global configuration mode to enable 802 1x authentication Set the session and broadcast key refresh rate and the re authentication timeout To display the current settings use the show authentication command from the Exec mode SMC AP config 802 1x supported 6 51 SMC AP config 802 1x broadcast key refresh rate 5 6 52 SMC AP config 802 1x session key refresh rate 5 6 53 SMC AP config 802 1x session timeout 300 6 54 SMC AP config exit SMC AP show authentication 6 59 Authentication Information MAC Authentication Server REMOTE MAC Auth Session Timeout Value 300 secs 802 1x SUPPORTED Broadcast Key Refresh Rate 5 min Session Key Refresh Rate 5 min 802 1x Session Timeout Value 300 secs Address Filtering DENIED System Default DENY addresses not found in filter table Filter Table MAC Address Status 00 70 50 cc 99 1a DENIED 00 70 50 cc 99 1b ALLOWED SMC AP 5 19 System Configuration Filter Control 5 20 The access point can employ VLAN ID and network traffic frame filtering to control access to network resources and incr
159. smit temps B Reet IE EURE Secondary Radius Server Setup Radio Settings Security ER 0 u ee ara Retransmit attempts 3 5 9 System Configuration 5 10 Primary Radius Server Setup Configure the following settings to use RADIUS authentication on the access point IP Address Specifies the IP address or host name of the RADIUS server Port The UDP port number used by the RADIUS server for authentication messages Range 1024 65535 Default 1812 Key A shared text string used to encrypt messages between the access point and the RADIUS server Be sure that the same text string is specified on the RADIUS server Do not use blank spaces in the string Maximum length 255 characters Timeout Number of seconds the access point waits for a reply from the RADIUS server before resending a request Range 1 60 seconds Default 5 Retransmit attempts The number of times the access point tries to resend a request to the RADIUS server before authentication fails Range 1 30 Default 3 Note For the Timeout and Retransmit attempts fields accept the default values unless you experience problems connecting to the RADIUS server over the network Secondary Radius Server Setup Configure a secondary RADIUS server to provide a backup in case the primary server fails The access point uses the secondary server if the primary server fails or becomes inaccessible Once the access point switches over
160. sntp server date time Enter Year lt 1970 2100 gt 2004 Enter Month lt 1 12 gt 6 Enter Day lt 1 31 gt 19 Enter Hour lt 0 23 gt 17 Enter Min lt 0 59 gt 37 SMC AP Related Commands sntp server enable page 6 29 6 30 System Management Commands sntp server daylight saving This command sets the start and end dates for daylight savings time Use the no form to disable daylight savings time Syntax sntp server daylight saving no sntp server daylight saving Default Setting Disabled Command Mode Global Configuration Command Usage The command sets the system clock back one hour during the specified period Example This sets daylight savings time to be used from July 1st to September 1st SMC AP config sntp server daylight saving Enter Daylight saving from which month lt 1 12 gt 6 and which day lt 1 31 gt 1 Enter Daylight saving end to which month lt 1 12 gt 9 and which day lt 1 31 gt 1 SMC AP config 6 31 Command Line Interface sntp server timezone This command sets the time zone for the access point s internal clock Syntax sntp server timezone lt hours gt hours Number of hours before after UTC Range 12 to 12 hours Default Setting None Command Mode Global Configuration Command Usage This command sets the local time zone relative to the Coordinated Universal Time UTC formerly Greenwich Mean Time or GMT based on the earth s prime meridia
161. stations on the wireless infrastructure Note The RJ 45 port also supports Power over Ethernet PoE based on the IEEE 802 3af standard Refer to the description for the Power Connector for information on supplying power to the access point s network port from a network device such as a switch that provides Power over Ethernet PoE Reset Button This button is used to reset the access point or restore the factory default configuration If you hold down the button for less than 5 seconds the access point will perform a hardware reset If you hold down the button for 5 seconds or more any configuration changes you may have made are removed and the factory default configuration is restored to the access point Power Connector The access point does not have a power switch It is powered on when connected to the AC power adapter and the power adapter is connected to a power source The access point automatically adjusts to any voltage between 100 240 volts at 50 or 60 Hz No voltage range settings are required The access point may also receive Power over Ethernet PoE from a switch or other network device that supplies power over the network cable based on the IEEE 802 3af standard Note that if the access point is connected to a PoE source device and also connected to a local power source through the AC power adapter PoE will be disabled Features and Benefits Features and Benefits e Local network connection via 10 1
162. t which the broadcast keys are refreshed for stations using 802 1x dynamic keying Range 0 1440 minutes Default 0 means disabled System Configuration 5 16 Session Key Refresh Rate The interval at which the access point refreshes unicast session keys for associated clients Range 0 1440 minutes Default 0 means disabled 802 1x Re authentication Refresh Rate The time period after which a connected client must be re authenticated During the re authentication process of verifying the client s credentials on the RADIUS server the client remains connected the network Only if re authentication fails is network access blocked Range 0 65535 seconds Default 0 means disabled Advanced Configuration CLI Commands for Local MAC Authentication Use the mac authentication server command from the global configuration mode to enable local MAC authentication Set the default for MAC addresses not in the local table using the address filter default command then enter MAC addresses in the local table using the address filter entry command To remove an entry from the table use the address filter delete command To display the current settings use the show authentication command from the Exec mode SMC AP config address filter entry 00 70 50 cc 99 1c allowed 6 55 SMC AP config address filter delete 00 70 50 cc 99 1c 6 56 SMC AP config exit SMC AP show authentication 6 59 SMC AP config mac authentication serv
163. tation should be configured to send tagged frames with a VLAN ID that matches the access point s native VLAN default VLAN 1 page 5 20 However to manage the access point from a wireless client the AP Management Filter should be disabled page 5 20 Check that you have a valid network connection to the access point and that the Ethernet port or the wireless interface that you are using has not been disabled If you are connecting to the access point through the wired Ethernet interface check the network cabling between the management station and the access point If you are connecting to access point from a wireless client ensure that you have a valid connection to the access point If you cannot connect using Telnet you may have exceeded the maximum number of concurrent Telnet sessions permitted i e four sessions Try connecting again at a later time If you cannot access the on board configuration program via a serial port connection Be sure you have set the terminal emulator program to VT100 compatible 8 data bits 1 stop bit no parity and 9600 bps Check that the null modem serial cable conforms to the pin out connections provided in Appendix B Troubleshooting If you forgot or lost the password Set the access point to its default configuration by pressing the reset button on the back panel for 5 seconds or more Then use the default user name admin with the password smcadmin to access the managem
164. ters Default Setting None Command Mode Interface Configuration Wireless Example SMC AP config interface wireless g SMC AP if wireless g description RD AP 3 SMC AP if wireless g ssid broadcast This command opens access to clients without a pre configured SSID Use the no form to disable this feature Syntax ssid broadcast no ssid broadcast Default Setting Enabled Command Mode Interface Configuration Wireless 6 75 Command Line Interface Command Usage When SSID broadcast is disabled the access point will not include its SSID in beacon messages Nor will it respond to probe requests from clients that do not include a fixed SSID Example SMC AP if wireless g no ssid broadcast SMC AP if wireless g speed This command configures the maximum data rate at which a station can connect to the access point Syntax speed lt speed gt speed Maximum access speed allowed for wireless clients Options 1 2 5 5 6 9 11 12 18 24 36 48 54 Mbps Default Setting 54 Mbps Command Mode Interface Configuration Wireless Command Usage The maximum transmission distance is affected by the data rate The lower the data rate the longer the transmission distance Please refer to the table for maximum distances on page A 4 Example SMC AP if wireless g speed 6 SMC AP if wireless g 6 76 Interface Commands channel This command configure
165. the interference causing equipment standard entitled Digital Apparatus ICES 003 of Industry Canada Cet appareil num rique respecte les limites de bruits radio lectriques applicables aux appareils num riques de Classe B prescrites dans la norme sur le mat rial brouilleur Appareils Num riques NMB 003 dict e par l Industrie Australia New Zealand AS NZS 4771 ACN 066 352010 Contact SMC at SMC Networks Inc 38 Tesla Irvine CA 92618 Phone 949 679 8000 COMPLIANCES EC Conformance Declaration C 0560 SMC contact for these products in Europe is SMC Networks Europe Edificio Conata Il Calle Fructu s Gelabert 6 8 2 42 08970 Sant Joan Despi Barcelona Spain Marking by the above symbol indicates compliance with the Essential Require ments of the R amp TTE Directive of the European Union 1999 5 EC This equip ment meets the following conformance standards EN 60950 IEC 60950 Product Safety e EN 300 328 Technical requirements for 2 4 GHz radio equipment e EN 301 489 1 EN 301 489 17 EMC requirements for radio equipment Countries of Operation amp Conditions of Use in the European Community This device is intended to be operated in all countries of the European Commu nity Requirements for indoor vs outdoor operation license requirements and allowed channels of operation apply in some countries as described below Note The user must use the configuration utility
166. the no form to disable VLANs Syntax vian enable no vian Default Disabled Command Mode Global Configuration Command Description e When VLANs are enabled the access point tags frames received from wireless clients with the VLAN ID configured for each client on the RADIUS server If the VLAN ID has not been configured for a client on the RADIUS server then the frames are tagged with the access point s native VLAN ID Traffic entering the Ethernet port must be tagged with a VLAN ID that matches the access point s native VLAN ID or with a VLAN tag that matches one of the wireless clients currently associated with the access point Example SMC AP config vlan enable Reboot system now lt y n gt y Related Commands native vlanid page 6 100 6 99 Command Line Interface native vlanid This command configures the native VLAN ID for the access point Syntax native vlanid lt vian id gt vian id Native VLAN ID Range 1 16 Default Setting 1 Command Mode Global Configuration Command Usage When VLANs are enabled on the access point a VLAN ID a number between 1 and 4095 can be assigned to each client after successful authentication using IEEE 802 1x and a central RADIUS server If a wireless client does not have a VLAN ID configured on the RADIUS server the access point assigns the user to its own configured native VLAN ID a number between 1 and 16 Example SMC AP config native v
167. thm used for broadcasting and multicasting when using Wi Fi Protected Access WPA security Syntax multicast cipher lt AES TKIP WEP gt e AES Advanced Encryption Standard TKIP Temporal Key Integrity Protocol e WEP Wired Equivalent Privacy Default Setting WEP Command Mode Interface Configuration Wireless Command Usage e WPA enables the access point to support different unicast encryption keys for each client However the global encryption key for multicast and broadcast traffic must be the same for all clients This command sets the encryption type that is supported by all clients If any clients supported by the access point are not WPA enabled the multicast cipher algorithm must be set to WEP WEP is the first generation security protocol used to encrypt data crossing the wireless medium using a fairly short key Communicating devices must use the same WEP key to encrypt and decrypt radio signals WEP has many security flaws and is not recommended for transmitting highly sensitive data TKIP provides data encryption enhancements including per packet key hashing i e changing the encryption key on each packet a message integrity check an extended initialization vector with sequencing rules and a re keying mechanism Interface Commands e TKIP defends against attacks on WEP in which the unencrypted initialization vector in encrypted packets is used to calculate the WEP key TKIP changes the encryption
168. tion 128 BIT ENCRYPTION Default Transmit Key eu Static Keys Key Li SARER Key 2 EMPTY Key 3 EMPTY Key 4 EMPTY Authentication Type SHARED SMC AP Note The index and length values used in the key command must be the same values used in the encryption and transmit key commands CLI Commands for WEP over 802 1x Security From the 802 11g interface configuration mode use the authentication command to select open system authentication Use the multicast cipher command to select WEP cipher type Then set 802 1x to required with 802 1x command and disable MAC authentication with the mac authentication command To view the current 802 11g security settings use the show interface wireless g command not shown in example SMC AP config interface wireless g 6 68 Enter Wireless configuration commands one per line SMC AP if wireless g authentication open 6 82 SMC AP if wireless g encryption 128 6 83 SMC AP if wireless g multicast cipher wep 6 88 SMC AP if wireless g end SMC AP config 802 1x required 6 51 SMC AP config no mac authentication 6 57 SMC AP config 5 53 System Configuration 5 54 Wi Fi Protected Access WPA WPA employs a combination of several technologies to provide an enhanced security solution for 802 11 wireless networks SYSTEM Identification WPA Configuration Mode TCP IP Settings Radius I Required Allow WPA clients only Authentication Filter
169. tistics sntp Show sntp statistics station Show 802 11 station table system Show system information S version SMC AP show how system version The command show interface will display the following information SMC AP show interface ethernet Show Ethernet interface wireless Show wireless interface lt cr gt SMC AP show interface Partial Keyword Lookup If you terminate a partial keyword with a question mark alternatives that match the initial letters are provided Remember not to leave a space between the command and question mark For example s shows all the keywords starting with s SMC AP show s snmp sntp station system SMC AP show s 6 5 Command Line Interface Negating the Effect of Commands For many configuration commands you can enter the prefix keyword no to cancel the effect of a command or reset the configuration to the default value For example the logging command will log system messages to a host server To disable logging specify the no logging command This guide describes the negation effect for all applicable commands Using Command History The CLI maintains a history of commands that have been entered You can scroll back through the history of commands by pressing the up arrow key Any command displayed in the history list can be executed again or first modified and then executed Using the show history command displays a long
170. ts 10 100BASE TX Pin Assignments B 2 Use unshielded twisted pair UTP or shielded twisted pair STP cable for RJ 45 connections 100 ohm Category 3 or better cable for 10 Mbps connections or 100 ohm Category 5 or better cable for 100 Mbps connections Also be sure that the length of any twisted pair connection does not exceed 100 meters 328 feet The RJ 45 port on the access point is wired with MDI pinouts This means that you must use crossover cables for connections to PCs or servers and straight through cable for connections to switches or hubs However when connecting to devices that support automatic MDI MDI X pinout configuration you can use either straight through or crossover cable 10 100BASE TX MDI and MDI X Port Pinouts Pin MDI X Signal Name MDI Signal Name 1 Receive Data plus RD Transmit Data plus TD 2 Receive Data minus RD Transmit Data minus TD 3 Transmit Data plus TD Receive Data plus RD 6 Transmit Data minus TD Receive Data minus RD 4 5 7 8 Not used Not used Note The and signs represent the polarity of the wires that make up each wire pair Twisted Pair Cable Assignments Straight Through Wiring Because the 10 100 Mbps port on the access point uses an MDI pin configuration you must use straight through cable for network connections to hubs or switches that only have MDI X ports However if the device to which you are conne
171. unction Mode Page mac Sets the interval at which associated GC 6 58 authentication clients will be re authenticated with session timeout the RADIUS server authentication database show Shows all 802 1x authentication Exec 6 59 authentication settings as well as the address filter table 802 1x This command configures 802 1x as optionally supported or as required for wireless clients Use the no form to disable 802 1x support Syntax 802 1x lt supported required gt no 802 1x e supported Authenticates clients that initiate the 802 1x authentication process Uses standard 802 11 authentication for all others e required Requires 802 1x authentication for all clients Default Setting Disabled Command Mode Global Configuration Command Usage e When 802 1x is disabled the access point does not support 802 1x authentication for any station After successful 802 11 association each client is allowed to access the network e When 802 1x is supported the access point supports 802 1x authentication only for clients initiating the 802 1x 6 51 Command Line Interface authentication process i e the access point does NOT initiate 802 1x authentication For stations initiating 802 1x only those stations successfully authenticated are allowed to access the network For those stations not initiating 802 1x access to the network is allowed after successful 802 11 association e Wh
172. unit must be carried out by qualified personnel only e The unit must be connected to an earthed grounded outlet to comply with international safety standards Do not connect the unit to an A C outlet power supply without an earth ground connection e The appliance coupler the connector to the unit and not the wall plug must have a configuration for mating with an EN 60320 IEC 320 appliance inlet e The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet e This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 60950 The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions France and Peru only This unit cannot be powered from itt supplies If your supplies are of IT type this unit must be powered by 230 V 2P T via an isolation transformer ratio 1 1 with the secondary connection point labelled Neutral connected directly to earth ground t Imp dance la terre Important Before making connections make sure you have the correct cord set Check it read the label on the cable against the following Power Cord Set U S A and The cord set must be UL approved and CSA certified Canada The minimum specifications for the flexible cord are No 18 AWG not longer than 2 meters or 16 AWG Type SV or SJ 3 conductor
173. user name password system logs 6 16 Management browser management options clock settings and a variety of other system information SNMP Configures community access strings and trap 6 35 managers Flash File Manages code image or access point 6 40 configuration files RADIUS Configures the RADIUS client used with 802 1x 6 45 authentication Authentication Configures IEEE 802 1x port access control and 6 50 address filtering Filtering Filters communications between wireless clients 6 60 controls access to the management interface from wireless clients and filters traffic using specific Ethernet protocol types Interface Configures connection parameters for the 6 65 Ethernet port and wireless interface IAPP Enables roaming between multi vendor access 6 97 points VLANs Configures VLAN membership 6 98 The access mode shown in the following tables is indicated by these abbreviations GC Global Configuration and IC Interface Configuration General Commands General Commands Command _ Function Mode Page configure Activates global configuration mode Exec 6 11 end Returns to Exec mode GC IC 6 12 exit Returns to the previous configuration any 6 12 mode or exits the CLI ping Sends ICMP echo request packets to Exec 6 13 another node on the network reset Restarts the system Exec 6 14 show history Shows the command history buffer Exec 6 14 show line Shows the c
174. via the access point The infrastructure configuration not only extends the accessibility of wireless PCs to the wired LAN but also increases the effective wireless transmission range for wireless PCs by passing their signal through one or more access points A wireless infrastructure can be used for access to a central database or for connection between mobile workers as shown in the following figure Wired LAN Extension p to Wireless Adapters aS b r Q k gt p 8 Server Desktop PC SI Switch z rt j Q s Notebook with Wireless ii Q PC Card Adapter 3 Access Point PC with Wireless PCI Adapter 3 3 Network Configuration Infrastructure Wireless LAN for Roaming Wireless PCs 3 4 The Basic Service Set BSS defines the communications domain for each access point and its associated wireless clients The BSS ID is a 48 bit binary number based on the access point s wireless MAC address and is set automatically and transparently as clients associate with the access point The BSS ID is used in frames sent between the access point and its clients to identify traffic in the service area The BSS ID is only set by the access point never by its clients The clients only need to set the Service Set Identifier SSID that identifies the service set provided by one or more access points The SSID can be manually configured by the clients can be detected in an access point s beacon or can
175. warranty or the remainder of the initial warranty whichever is longer SMC is not responsible for any custom software or firmware configuration information or memory data of Customer contained in stored on or integrated with any products returned to SMC pursuant to any warranty Products returned to SMC should have any customer installed accessory or add on components such as expansion modules removed prior to returning the product for replacement SMC is not responsible for these items if they are returned with the product Customers must contact SMC for a Return Material Authorization number prior to returning any product to SMC Proof of purchase may be required Any product returned to SMC without a valid Return Material Authorization RMA number clearly marked on the outside of the package will be returned to customer at customer s expense For warranty claims within North America please call our toll free customer support number at 800 762 4968 LIMITED WARRANTY Customers are responsible for all shipping charges from their facility to SMC SMC is responsible for return shipping charges from SMC to customer WARRANTIES EXCLUSIVE IF AN SMC PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT OF THE PRODUCT IN QUESTION AT SMC S OPTION THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR B
176. ws the SMC2552W G to set its internal clock based on periodic updates from a time server SNTP or NTP Maintaining an accurate time on the access point enables the system log to record meaningful dates and times for event entries Ifthe clock is not set the access point will only record the time from the factory default set at the last bootup The SMC2552W G acts as an SNTP client periodically sending time synchronization requests to specific time servers You can configure up to two time server IP addresses The access point will attempt to poll each server in the configured sequence SNTP Server Configures the access point to operate as an SNTP client When enabled at least one time server IP address must be specified e Primary Server The IP address of an SNTP or NTP time server that the access point attempts to poll for a time update e Secondary Server The IP address of a secondary SNTP or NTP time server The access point first attempts to update the time from the primary server if this fails it attempts an update from the secondary server Note The SMC2552W G also allows you to disable SNTP and set the system clock manually Set Time Zone SNTP uses Coordinated Universal Time or UTC formerly Greenwich Mean Time or GMT based on the time at the Earth s prime meridian zero degrees longitude To display a time corresponding to your local time you must indicate the number of hours your time zone is located before
177. y e WPA Before upgrading new software verify that the SMC2552W G is connected to the network and has been configured with a compatible IP address and subnet mask Advanced Configuration If you need to download from an FTP or TFTP server take the following additional steps e Obtain the IP address of the FTP or TFTP server where the access point software is stored e f upgrading from an FTP server be sure that you have an account configured on the server with a user name and password e If VLANs are configured on the access point determine the VLAN ID with which the FTP or TFTP server is associated and then configure the management station with the same VLAN ID If you are managing the access point from a wireless client the VLAN ID for the the wireless client must be configured on a RADIUS server Current version Version number of runtime code Firmware Upgrade Local Downloads an operation code image file from the web management station to the access point using HTTP Use the Browse button to locate the image file locally on the management station and click Start Upgrade to proceed e New firmware file Specifies the name of the code file on the server The new firmware file name should not contain slashes or the leading letter of the file name should not be a period and the maximum length for file names is 32 characters for files on the access point Valid characters A Z a z 0 9 oye
178. y not have the resources to configure and maintain a RADIUS server WPA provides a simple operating mode that uses just a pre shared password for network access Glossary 7 Glossary Glossary 8 A Advanced Encryption Standard See AES AES 5 56 antennas positioning 2 4 authentication 5 12 6 82 configuring 5 12 6 82 MAC address 5 13 6 54 6 55 type 5 47 6 76 B Basic Service Set See BSS beacon interval 5 43 6 78 rate 5 43 6 79 BOOTP 6 69 6 71 BSS 3 3 C cable assignments B 1 crossover B 3 straight through B 3 channel 5 42 6 77 channels maximum C 1 Clear To Send See CTS CLI 6 1 command modes 6 6 clients maximum C 1 command line interface See CLI community name configuring 5 25 6 35 community string 5 26 6 35 configuration settings saving or restoring 5 32 6 42 configuration initial setup 4 1 Index console port 1 5 connecting 2 5 pin assignments B 4 required settings 4 2 country code configuring 4 4 6 18 crossover cable B 3 CSMA CA 1 1 CTS 5 44 6 81 D data rate options C 1 default settings 1 9 device status displaying 5 61 6 33 DHCP 4 8 5 6 5 7 6 69 6 71 distances maximum A 4 DNS 5 7 6 68 Domain Name Server See DNS downloading software 5 30 6 42 DTIM 5 43 6 79 Dynamic Host Configuration Protocol See DHCP E EAP 5 54 6 90 encryption 5 47 5 49 5 55 6 83 Ethernet cable 2 4 port 1 5 event logs 5 66 6 27 Extensible Authentication Protocol See EA

SMC SMC2552W-G WLAN access point

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