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CT-511 ADSL Router User`s Manual

1. Operating temperature Relative humidity Regulations Passed O to 50 degrees Celsius 5 to 90 non condensing FCC part 15 FCC part 68 CS 03 UL 1950 IEC 1000 4 5 Dimensions Item Specifications Width x Height x Depth 242 mm x 54 9 mm x 170 5 mm Troubleshooting Parameters are lost after restart When you adjust or change the parameters you should save the parameters in RAM by holding down the Ctrl S keys This procedure only saves the parameters temporarily Therefore before you exit the system you should save the configurations in the flash memory by entering the MAIN WRITE menu and then reboot the system by entering the MAIN REBOOT menu Console Telnet Web Passwords The default setting for the console password check function is disabled you are not required to enter the passwords when you enter the console mode If accessing the device through Telnet or the Web you will be prompted to enter the password You can try the default passwords to log in E Read write access Login root Password root u Read only access Login user Password user Access denied There are several conditions that will disable your access to the device via the console Telnet or the Web Message Solution Incorrect user The password you entered is wrong Check your user name and password again Administrator is Somebody with the administrator s password is configuring Reject to
2. 1 4 CHAPTER 2 2 1 2 2 2 3 CHAPTER 3 3 1 3 1 1 3 1 2 3 1 3 3 2 3 2 1 3 2 2 3 2 3 CHAPTER 4 4 1 4 1 1 4 1 2 4 1 3 4 1 4 4 1 5 4 1 6 INTRODUCTION siiscuscsacsnsttecnarctansensenuiesedsanesssstetedancanss 1 aur m veswy es 1 g ruligzq cT 2 ApplicatiOm i contri RR RR xor RR a UK ERCERIERREA sap nee camendncn mann ERE 3 Front Panel LED Indicators eeeeeeeee e 4 HARDWARE INSTALLATION eene 5 Rear Panel Connectors ccs sinerent ga irai exea ia 5 Preparing for Installation cccccece cece aan anea 6 IncclrubImE EEEITTTMT 8 MANAGEMENT iiie si pos LE pnEXEREERUNA ERAN LX VERANRENSKAREUBN M MRNA 9 How to Access the CT 511 iies serre nen ene nun nen 10 Console ManaGeMentl ccecceeeeee eee eee eee eee senes enne 10 Telnet management lsessessessessessssesee enhn hene nnn nne 12 Web based management ssssssssssesseseeeneen enn 13 General Configuration Steps in a Console Telnet Session 14 Config ration Steps scs eere er a duetaewer s dines cones 14 Men Eo 16 Keyboard Operations ccecceee cece eee eee eee eee ene e eee neta e eee 17 INITIAL CONFIGURATION CONSOLE TELNET 18 Initial Seb D dcc ei rn e USER UR OG S ERR RR GUR AGER RAE EUR HR ROUEN CO ORE 18 Bridge and Router Mode ccceceeee eee eee teeta eee eee meme 18 CO ChIDSet scc i Re R
3. subnet mask subnet switch spanning tree algorithm to provide path redundancy while preventing undesirable loops in a network that may be created by multiple active paths between stations A route that is permanent rather than a route that is dynamically assigned by another router Shielded Twisted Pair Telephone wire that is wrapped in a sheath to eliminate external interference See listing for Spanning Tree Protocol The subnet portion of an IP address A number that identifies the subnet portion of a network address so that IP addresses can be shared on a local area network An independent network segment that is it has the same network address but its subnet address is different A data switch connects computing devices to host computers enabling multiple devices to share a limited number of ports An electrical switch is a device for making breaking or changing the connections in an electrical circuit synchronous transmission Transmission with the transmitter and receiver Synchronous synchronized so that data is transmitted at a fixed rate Any operation that is controlled by a clock or timing mechanism Compare with asynchronous Tag based VLAN In a tag based VLAN a tag is added to the Ethernet frames TCP IP TCP Telnet throughput The tag contains a VLAN Identifier VID that identifies the VLAN to which the frame belongs Based on these tags the switch can segregate traffic betwee
4. It includes the following buttons 1 Home Web main menu 2 Setup Quick Setup 3 Config Basic Configuration 4 Advance Advance Configuration 5 Utility Utilities 6 Monitor Status Monitor m The second area is the sub menu located on the left side that displays after the operator clicks a button on the main menu m The third area in the middle of the page is the area that displays the parameters or explanations of the sub menu 49 12 2 Operation The Web page follows a tree structured design The operational methods are basically the same as the console and Telnet modes Getting familiar with the console and Telnet is helpful and makes it easier to learn to configure through the Web browser The Web configuration uses a step by step method for configuring the device On screen explanations of each function or parameter are provided to help the operators to know what is being done and what can be processed next The buttons in the table below are used during configuration Item Button Function 1 Next To go to the next step or page 2 Back To return to the previous page 3 Reset If the parameters are changed click this button to restore the original parameters 4 Cancel To stop and quit the current page without changing any setting 5 Finish To submit the setting or when a status table is finished reading click this button to exit the page 6 OK To confirm the setting when a par
5. The BT ranges from 10 to 200 BT Note MBS Maximum Burst Size formula RT ERE ae where x SCR PCR stands for the integer part of x In the formula BT is counted in seconds and SCR PCR in cells per second Hold down the Ctrl S keys to save the parameters 4 2 4 ISP ISP should be configured when PPP or PPPOE is selected The CT 511 can be connected to eight ISPs respectively with different VPI VCI values The procedure below shows how to configure the necessary parameters to connect to an ISP Step 1 Step 2 Step 3 Step 4 Enter the MAIN QC ISP menu Enter a leaf menu from ISP 1 to ISP 8 e g MAIN QC ISP ISP1 Enter a parameter in each field m ISP name Up to 19 characters m User name Account user name for logging on to an ISP up to 40 characters m Password Account password for logging on to an ISP up to 19 characters a PPPoE Max Idle Time The default is 0 Hold down the Ctrl S keys to save the parameters 23 4 2 5 ADSL Retrain The CT 511 provides Hot Key for ADSL retrain Step 1 Enter the MAIN QC ADSL RETRAIN menu Step 2 Enter a parameter in each field Hot Key Enable Disable m Retrain Enable Disable Step 3 Hold down the Ctrl S keys to save the parameters 4 3 Basic Configuration On the Basic Configuration MAIN CONF menu the administrator can configure the following functions Some of these functions such as Interface ATM amp LAN VC and ISP are configured as described in
6. When you hold down the Ctrl S keys it only saves the parameters in RAM RAM keeps the configurations temporarily and they are lost after the system is quit or rebooted To save them permanently you must write the configurations to the flash memory and reboot the system Step 1 Step 2 Step 3 Step 4 Enter the MAIN WRITE menu The screen displays This will write configurations to flash Y N Press the Y key After the system finishes writing the following message displays Write configuration to flash complete Press any key to return to previous menu Press any key to return to the main menu Enter the MAIN REBOOT menu to reboot the system 41 11 3 Reboot System After the parameters are written in the flash memory you must reboot the system to make the new parameters effective Step 1 Step 2 Step 3 11 4 Enter the MAIN REBOOT menu The prompt This will reboot the system Y N displays Press the Y key to reboot the system Software Upgrade The device utilizes the TFTP protocol to upgrade the software Follow the steps below to upgrade the device s software Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Enter the MAIN UTIL TFTP menu Enter a parameter in the following fields m TFTP Server IP Address Enter the TFTP Server IP address u File Name Enter the file name of the software m TFTP option Choose Download m Application Type Choose Firmware Hold down t
7. refer to Steps 9 12 in this section If the default password was not changed type user Step 3 Or press the ESC key to display the main menu Step 4 You can start operating this device now General configuration procedures are described in Section 3 2 10 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14 Step 15 Step 16 ADSL Router Main Menu gt gt L0C Quick Configuration CONF Configuration CMON Status Statistics Monitor UTIL Utilities SYS System Information WRITE Write Configuration REBOOT Reboot QUIT Disconnect IUp W Down 7 Left A Prev Menu Right D Next Menu PATH gt MAIN You can assign either a LAN IP address proceed to Step 6 or WAN IP address proceed to Step 7 that is needed to access the device through Telnet or through the Web To change a LAN IP address enter the MAIN QC LAN menu To change a WAN IP address enter the ATM interface menu e g MAIN QC ATM ATM1 refer to Section 4 2 2 ATM Interface for details Hold down the Ctrl S keys to save the IP address Enter the MAIN CONF SYSTEM menu to set the passwords You can enable the console password check function in the Console Password Check field After you enable it a password will be required to access the device through the console Enter the ADMINISTRATOR password in the New Administrator Password field and retype the password to confirm
8. Enter the USER password in the New User Password field and retype the password to confirm Hold down the Ctrl S keys to save the parameters Return to the main menu and select WRITE to write the configurations to the flash memory Return to the main menu and select REBOOT to reboot the system In less than one minute the sentence Press ESC key to enter console mode configuration displays Note 1 If you use HyperTerminal for the VT 100 emulation program Edition 5 0 is recommended Note 2 After changing the parameters make sure that you save them in the flash memory and then reboot the system before you quit Otherwise you will lose the new parameters 11 3 1 2 Telnet management Telnet can be used by a maximum of one administrator and two common users at the same time Step 1 Step 2 Step 3 Telnet to the device with the LAN IP address or WAN IP address refer to Section 3 1 1 Steps 5 8 for information on setting the LAN WAN IP address The default LAN IP address is 210 65 231 206 You will be prompted to enter your user name and password Login root Password To have full access privileges as an ADMINISTRATOR type root in the Login field If the default password was changed type the password that was set in the console session refer to Section 3 1 1 Steps 9 13 If the default password was not changed type root To have read only access as a common USER type user in the Login f
9. Information Contact by email North America Technical Support NA support comtrendcorp com International Technical Support globalso comtrendcorp com Contact by phone North America Office 1 949 753 9640 European Office 34 917080105 Shanghai Office 86 21 6251 9161 Taipei Office 886 2 2999 8261 68
10. Router Only B Figure 12 2 Quick Setup Follow the five steps described in the Quick Setup Wizard Click the Next button when a step is completed and you will be prompted to complete the rest of the steps When you have completed the steps the page will display all the adjusted settings for you to review again Click the Finish button to confirm the settings The system will prompt you to save write the configurations in the system flash memory and then restart the system to make the new parameters functional Click the Save button and then the Restart button as instructed 51 12 2 2 Basic Configuration At this stage the administrator can perform the following functions m Load Factory Default m System Parameters host name domain name operation mode ADSL physical mode user password m ISP Parameters m ATM VC Parameters m ATM Interface Parameters DHCP Parameters m NAT Parameters m Review Parameters m Save and Restart Step 1 Click the Config button to access the Basic Configuration page F Basic Config Basic Configuration Complete LAN parameters A Lacto Default system Complete system parameters Host Na w e New Administrato asar Complete LAN interface parameters e IP Address Network Type Global Virtual Router Only Figure 12 3 Basic Configuration Step 2 The Basic Configuration page allows you to load the factory default settings default IP 215 65 231 206 and bau
11. Section 4 2 Quick Configuration Others are referred to other sections or chapters Default load the factory default settings for the system refer to Section 11 1 System list the system information including host name domain name console password check operation mode bridge router ADSL physical mode and user account Interface configure the LAN and ATM interfaces refer to Section 4 2 ISP configure the parameters to connect to Internet Service Providers refer to Section 4 2 4 NAT refer to Chapter 7 DHCP refer to Chapter 9 SNMP configure the SNMP community SNMP trap and the ILMI refer to Chapter 10 TFTP refer to Section 11 4 VC refer to section 4 2 3 ROUTING refer to Chapter 6 BRIDGING refer to Chapter 5 HTTPD Web configuration enabled disabled refer to Chapter 12 ADSL ADSL characteristics parameters refer to Section 4 4 24 4 4 ADSL Characteristics Parameters In the MAIN CONF ADSL menu the administrator can set up the system chipset s characteristics such as downstream framing scramble echo cancellation and bit swapping functions Another menu located at the directory of MAIN MON STATUS also displays these settings for monitoring purposes only Field Parameter Downstream framing Mode 0 Mode 3 factory default Mode 3 There are four modes supporting either full overhead framing or reduced overhead framing Each mode is described below Mode O Full ov
12. Status MONItOl cccccccccceince retener ain nentur aha kan rane 45 11 8 2 ALM interface MOMtO tess sc ee sector kong nne n penne ke ERE RR A FERES 46 11 8 3 ADSL Performance Statistics cccceceeeeeeee tenet ee ee eaten renee eee eee 46 11 8 4 Interface Performance Monitor ccceceeeee eect eee e etna eee eeeeeeeeas 47 CHAPTER 12 WEB CONFIGURATION eere nnn nnn nnn 48 12 1 Logging on to the Web eesessesssesseneme nennen nnn 48 12 2 leri m M M M M UEEET 50 12 2 1 QUICK Setup excerhne eir rre krERKRIIEEURERMAKRRRENE RE vers Mabe canes 51 12 2 2 Basic ConfiguratlOn i ses ree Re RERO DEKOR Y RACE ORAE UM 52 12 2 3 Advance Configuration esses 53 12 2 4 Bree 54 12 2 5 MONITO e H 54 12 2 6 Incorrect Setting seien erar rhe rene a RIEN wees sess tens 54 APPENDIX Grp TT 55 Specifications xci a ERE RERO NN E GRUT RU ORG UR CARO RU RD ACE PR e RR RN 2 55 Troubleshooting cierre reri E TAE EEE RE 57 QLOSSARY iiis icnidan iiaia aa a a aa ada anes 58 Chapter 1 Introduction 1 1 Overview The CT 511 ADSL router uses the ADI chipset to satisfy the needs of multiple users for small office home office remote office and branch office applications The router has an integrated 4 port 10 100BaseT half full duplex Ethernet switch It can access the Internet Corporate LAN or Video on demand over one ordinary telephone line at speeds
13. configuring the device via the Telnet or the Web enter console mode Only one administrator can access the device at configuration any one time Wait until the person logs out or try user s password Exceed maximum three Up to two users and one administrator can use telnet logins Login Telnet simultaneously to access the device If reject there are already three operators using Telnet try the Web browser or wait until one of the users logs out Exceed maximum two There are already two users with user password telnet logins with user accessing the device through Telnet Try the account Login reject administrator s password to log in or log in via the Web Administrator is Somebody is configuring the device with the configuring you can administrator s password Try the user s try user login password to log in 57 100BaseT 10BaseT address ADSL analog loop analog signal Annex A Annex B Annex C ANSI ASCII attenuation auto summary backbone bandwidth baud BERT bit boot GLOSSARY A 100 Mbps Ethernet standard that uses twisted pair wiring A 10 Mbps Ethernet standard that uses twisted pair wiring The symbol usually numeric interface attached to a network identifying an An asynchronous form of DSL in which the bandwidth available for downstream connection is significantly larger than for upstream A test in which a modem s voice sign
14. installed in a device to provide network communication capabilities to and from that device A connection or switching point in a network also called a host Unwanted interference to a transmitted signal by an outside source Password Authentication Protocol PPP protocol that ensures authentication of the connection between two devices Port Address Translation is a form of NAT that maps multiple Private IP addresses to a single Public IP address An internet utility signal sent to check the accessibility of a device The ability of a PC to configure expansion boards and other devices automatically without requiring the user to turn off the system during installation point to point connection Any connection with only two endpoints A poison reverse POP Port Port base VLAN POTS PPP over ATM PPP PPPoE PPTP dedicated data link that connects only two stations A routing protocol command that tells its neighbor gateways that one of the gateways is no longer connected Point Of Presence An access point where data can enter or exit In a port based VLAN ports are assigned to a specific VLAN A port can belong to only one port based VLAN at a time Plain Old Telephone Service Point to Point Protocol over Asynchronous Transfer Mode Point to Point Protocol A protocol RFC 1661 for transmitting packets over serial links between devices made by the same or different manufacturers Point to Point Protoco
15. losing data and allow devices with different transmission schemes to communicate with each other File Transfer Protocol A TCP IP standard protocol for transferring files transmitting in two directions simultaneously An ITU T specification for high speed DSL known as G SHDSL Another name for the G 992 1 ITU specification Another name for the G 992 2 ITU specification A communications device that connects two different networks The beginning of a frame or cell that contains management and addressing information One point to point transmission in a series required to transmit a message between two hosts in a network An addressable computer connected to a network A device that serves as the central location for attaching wires form workstations Internet Control Management Protocol An Internet protocol that allows for the generation of error messages tests packets and information messages related to IP A form of ISDN DSL using 2B1Q line code Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers Interim Local Management Interface Provides ATM layer management between a switch and a client device Internet Protocol address The decimal numeric fixed length address assigned to an Internet host A technique that allows packets to be simultaneously transmitted over the Internet to a multiple destinations IP over ATM Interrupt re quest a hardware inte
16. private IP address range m Class A 10 0 0 0 to 10 255 255 255 m Class B 172 16 0 0 to 172 31 255 255 m Class C 192 168 0 0 to 192 168 255 255 Ff PAT Virtual Server If you want to set up Internet servers in the virtual LAN when PAT is enabled in Section 7 2 you should register the servers with the CT 511 first to allow Internet users to access the service via the ATM interface of CT 511 This section describes how to configure a virtual server 7 3 1 Add Virtual Server Entry Step 1 Enter the MAIN CONF NAT SERVER ADD menu Step 2 Enter a parameter in each field Protocol TCP or UDP factory default TCP Interface LAN ANY and ATM1 to ATM16 The factory default is ANY Specify the interface via which the server provides service If ANY is selected any of the interfaces can access the service Service Name used by the operator to recognize the service that the virtual server provides The operator can define the service name as Web e mail ftp and so on Service Port Number related to the service port e g well known port of Web server 80 ftp server 21 and smtp 25 Private IP Address to define the private IP address of the virtual server Private Port Number to specify the actual port of the server in the virtual LAN The administrator can set it to the same number as the service port Step 3 Hold down the Ctrl S keys to save the parameters 33 7 3 2 Delete Virtual Server To delete a virtual server entry
17. up down left and right arrow keys on the main and branch menus The leaf menu is used to program each parameter and should be saved when a new parameter is set The layout of a menu includes messages such as software version model name and keyboard instructions Software Version ADSL Router System Parameters Host Name Domain Name Operation Mode TAB Bridge ADSL Physical Mode TAB Fast ADSL Auto Console Password Check TAB Enabled New Administrator Password Retype Password Directory of New User Password Retype Password Current Menu L Home Menu K Prev Menu PRTH MRIN CONF SVSTEM i gt LD MESSAGE Keyboard Function Message for reminding purposes or to indicate incorrect operations Figure 3 1 Menu Layout 16 3 2 3 Keyboard Operations T The upward arrow key moves the cursor upward in the menu The cursor moves downward in the menu Returns to the previous menu If you are in a leaf menu you may need to push S first to save the information Skips to the next menu AS Hold down the Ctrl S keys simultaneously to perform different actions such as Save Add Delete and Go X Inthe leaf menu hold down the Ctrl X keys simultaneously to return to the previous menu L Hold down the Ctrl L keys simultaneously to return to the Home Menu T Hold down the Ctrl T keys simultaneously to reset the value or statistics counted R Hold down the Ctrl R keys simultaneou
18. with time CBR applications are quite sensitive to cell delay variation Examples of applications that can use CBR are telephone traffic i e nx64 kbps videoconferencing and television rtVBR Real time Variable Bit Rate This class is similar to nrtVBR but is designed for applications that are sensitive to cell delay variation Examples for real time VBR are voice with speech activity detection SAD and interactive compressed video 22 Step 4 nrtVBR Non real Time Variable Bit Rate This class allows users to send traffic at a rate that varies with time depending on the availability of user information Statistical multiplexing is provided to make optimum use of network resources Multimedia e mail is an example of VBR NRT Peak Cell Rate bps The Peak Cell Rate is the maximum number of bits per second transmitted over this connection This is determined by the minimum intercell spacing in seconds which is the time interval from the first bit of one cell to the first bit of the next cell The PCR ranges from 30 000 to 960 000 m Sustainable Cell Rate bps For VBR only This is the rate at which cells are transmitted over this connection The rate is counted in bits per second The SCR is larger than 30000 and smaller than the PCR Burst Tolerance msec refer to maximum Burst size For VBR only This is the maximum number of cells that is sent at the peak rate The number of cells is counted in milli seconds
19. A server that dynamically allocates network addresses and delivers configuration parameters to hosts Dynamic Host Configuration Protocol A TCP IP protocol that enables a network connected to the Internet to automatically assign a temporary IP address to a host when the host connects to the network 59 digital signal digital loopback DLL DMT DNS download driver DSL DSP DTE A discrete or discontinuous signal where the states are discrete intervals apart such as 10 volts and 10 volts These states are then represented by the binary digits O and 1 A test that connects the device s receiver output back to the transmitter input This test will disrupt the transmission of primary data Dynamic Link Library DLLs are files that are automatically loaded into memory when required Discrete MultiTone The T1 413 standard modulation scheme for Digital Subscriber Line technology Domain Name Server A server that retains the addresses and routing information for TCP IP PAT users To receive a file over a network compare with upload A software module that provides an interface between a network interface card and the upper layer protocol software running on a computer Digital Subscriber Line A family of broadband services provided over a traditional phone line such as ADSL SHDSL and VDSL Digital Signal Processor The microprocessor that handles line signaling in a modem Data Terminal Equ
20. Address Step 1 Enter the MAIN CONF NAT PRIVATE menu Step 2 Enter the following parameters A maximum of five IP address pools can be configured m X Pool Number Pool 1 to Pool 5 m Start IP Address Enter the first IP address of the address pool m End IP Address Enter the last IP address of the address pool For example in a LAN there are two sets of IP addresses The first ranges from 210 25 231 1 to 210 25 231 20 and the second from 210 25 231 100 to 210 25 231 200 To configure the first set of IP addresses assign it to Pool 1 in the Pool Number field Appoint 210 25 231 1 in the Start IP Address field and 210 25 231 20 in the End IP Address field Then assign 210 25 231 100 to 210 25 231 200 to Pool 2 in the same way Step 3 Hold down the Ctrl S keys to save the parameters 7 4 2 Global IP Address Step 1 Enter the MAIN CONF NAT GLOBAL menu Step 2 Enter the following parameters A maximum of five IP address pools can be configured Pool Number Pool 1 to Pool 5 Start IP Address Enter the first IP address of the address pool End IP Address Enter the last IP address of the address pool Step 3 Hold down the Ctrl S keys 7 4 3 Private Global IP Pool Mapping You can map a private IP pool to a global pool using PAT or NAT Add a Pool Translation Step 1 Enter the MAIN CONF NAT TRANSLATION ADD menu Step 2 Enter a parameter in each field m Private IP Pool Press the TAB key to select a private pool numb
21. E diet meena Rees 18 ADSL Physical Mode iic ritenere etn rn ORE n EX RR ER 19 Console Password Check ceceeeeee eee ee cece ee eee nene 19 Console Session TIMECOUt ci ceeeeee cette eect ee eee ee nenne 19 Login Name amp PaSSWOMdS cecceee cece eee eee eee eee ee mme 19 4 2 4 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4 3 4 4 CHAPTER 5 5 1 5 2 5 2 1 5 2 2 5 2 3 5 3 5 4 CHAPTER 6 6 1 6 2 6 2 1 6 2 2 6 2 3 6 3 6 4 CHAPTER 7 7 1 7 2 Quick Configuration cece eee eee meme 20 LAN Interface 20 ATM tenate wii cise diceseacindeedneyivaci deme meead coed A ERI EE MEE 21 ATM VC Parameter rsiee eene en nt Rex I a nha sawlesd ean RR nna 22 cj 23 ADSL Retrail1 nop ete e inen i ener xU rx PARE A 24 Basic Configurati N sa sssrinin hti hh na RRERA ERI A REKREO ERE AEAN 24 ADSL Characteristics Parameters ceececeee eee ee erent eee rene nee 25 BRIDGING ate EHR UR RENI ERI NA 26 eau Em 26 Static Bridging Configuration s sssssssssssrrssserrrrrreresrirrressns 27 Add A Static MAC EAtry i eder enne n ced siete he EXER KEn nn rH ERDRR EK USA 27 Delete a Static MAC Address eseseseen e 28 List Static Bridging Parameters ssssssseeeene 28 Spanning Tree Protocol essssssssse emen 28 Forwarding Table siu innen ent a RRRERR AERE IE A BERE ERR KRRAEKRR
22. IN CONF SYSTEM The IP addresses of the default router and the two DNS servers 9 2 Configure DHCP Step 1 Enter the MAIN CONF DHCP GENERIC menu Step 2 Enter a parameter in the following fields DHCP Server Select Enabled or Disabled factory default Disabled DHCP start IP Enter the DHCP server start IP address DHCP End IP Enter the DHCP server end IP address Default Gateway This is one entry on the LAN where packets are received or transmitted Subnet mask Enter the subnet mask of the IP network m Domain Name Server 1 Enter the IP address of the primary domain name server This is the priority 1 choice Domain Name Server 2 Enter the IP address of the secondary domain name server that will be used when the primary server IP address fails or is not available Step 3 Hold down the Ctrl S keys to save the parameters 38 Chapter 10 SNMP The CT 511 supports SNMP Simple Network Management Protocol and ILMI Integrated Local Management Interface m SNMP MIBs of MIB II and ADSL Forum TROO6 are implemented The default settings for read only read write communities are public and private m ILMI The Link Management MIB of the ILMI MIBs is implemented The default setting of the ILMI is disabled with the value 0 16 for VPI VCI Step 1 Enter the MAIN CONF SNMP menu Step 2 Refer to Section 10 1 to set the community parameters and refer to Section 10 2 to set the trap parameters Step 3 Refer t
23. MRIN QC 14 Step 3 Step 4 Step 5 Step 6 Use the up or down arrow keys to select an item In this case select LAN and press the right arrow key to enter the leaf menu The path prompts MAIN QC LAN ADSL Router LAN Parameters Network Type TAB Global Address 210 65 231 206 Subnet Mask 255 255 255 0 pole S Save L Home Menu R Prev Menu PRTH MAIN QC LAN MESSAGE gt Enter a parameter in each field For fields that include the word TAB e g Network Type TAB press the TAB key to select a parameter from the pre defined values Then save the settings in RAM by holding down the Ctrl S keys Return to the main menu and enter the WRITE menu to save the configurations from RAM to flash memory Refer to Section 11 2 for details Reboot the system by entering the REBOOT menu from the main menu The system then powers on with the new parameters Refer to Section 11 3 for details Note Before you exit the Console or Telnet session make sure you have saved the changes to the flash memory and rebooted the device If you do not or if you only write the changes without rebooting the device or boot the device without writing the changes the changes will be lost after you exit the system 15 3 2 2 Menu Layout The operating menu of the CT 511 follows a tree structured design and is divided into three categories main menu branch menu and leaf menu You can select each menu item by using the
24. N port 1x 2x LAN 3x or 4x established 1 to 4 ADSL LINK ADSL RX ADSL TX Table 1 1 LED Indicators Chapter 2 Hardware Installation 2 1 Rear Panel Connectors There are seven connectors on the rear panel as shown in Figure 2 1 To make connections to these connectors refer to Section 2 3 Power Console 4x 3x 2x 1x ADSL Figure 2 1 CT 511 Rear Panel Connectors 2 2 Preparing for Installation Make sure the following equipment is ready before installing the CT 511 A VT 100 compatible terminal This terminal is essential to perform the initial configuration of the CT 511 Normally this is a terminal with a VT 100 emulation program such as Telix An RS232 straight through cable to connect to the Console Port An RS232 DB9 to DB9 straight through cable is required to connect the terminal to the device The following table lists the pin assignments of the DB9 Console port Pin Definition Pin Definition 1 6 z 2 TD 7 3 RD 8 4 9 5 GND Table 2 1 Pin Assignments of the Console Port A power adapter to connect to the Power jack RJ45 10 100BaseT Ethernet connector cable s to connect to the 1x 4x ports An RJ45 LAN connector cable is used to connect the CT 511 to the Local Area Network LAN A maximum of four Ethernet cables are required for connections from the 1x 2x 3x and 4x LAN ports to the Ethernet devices The following tabl
25. NE 28 IP ROUTING oe ERAT RES IE PU CUM MEER CODO ree 29 RIP Configuration arresto rrr teh ER EXE RR RR E RRR ABA RRRRR ERARRAKAPA 29 Static Route Configuration ccccceee eee ee cece eee eee eee eee e ea eee 30 Add a Static ROUTE iii eios rct kae ci saca ena a evens Rd Rx RR uaa 30 Delete a Static ROUTE ii ecce inte ce teet sites edecxx x ol kd ue s 30 bist Static ROUEeS scu co ofi cotisation qa ih eda A den rd du 30 Routing Tabl iii sso enhn ennt rn xr ERR IUe REO ERROR ERE SER EXAM 30 PING MEET 31 NETWORK amp PORT ADDRESS TRANSLATION ese 32 au PMT 32 Enable PAT NAT 32 7 3 7 3 1 7 3 2 7 3 3 7 4 7 4 1 7 4 2 7 4 3 7 4 4 CHAPTER 8 8 1 8 2 CHAPTER 9 9 1 9 2 CHAPTER 10 10 1 10 2 10 2 1 10 2 2 10 2 3 10 3 CHAPTER 11 PAT Virtual Server 2e lidee deser eere e udu Ea EVEN eae SS ETE 33 Add Virtual Server Entry 0 cccceeee cece cence eee eeaeeeeea een eeaeeaes 33 Delete Virtual Server idees cede me rhe Shane x enr gee n Ele scene 34 List Virtual Server ENUY rassines ether prn aan tha RR RE KR CON 34 Configure NAT PAT IP Pools eeeeeeeen mmm emn 34 Private IP Address eiit nii orae xa sux rer arceri xe Dy IY 35 Global IP Address 2er tnter orna Ri RR era Re aa inni 35 Private Global IP Pool Mapping seeseemeI 35 Fixed NAT IP Mapping onerat heh n ihr nha kn
26. Receive Frame Length Violation LG Receive noneoctect aligned frame NO Short Frame SH CRC error CR Overrun and Collision CL Received rate bps the receive rate of the interface Transmitting rate bps the transmit rate of the interface Status of the interface disable up the interface is ready for transmission or down the interface is not ready for transmission 47 Chapter 12 Web Configuration This chapter describes how to manage the device via the Web browser from the remote end The Web page is best read with a display resolution of 1024 x 768 or 800 x 600 Web management is enabled by factory default If you don t need this function you can disable it using either of the following methods 1 12 1 Enter the MAIN CONF HTTPD menu from the console or through Telnet Start your Web browser enter the Advance Configuration page by clicking the Advance button and click the HTTPD link Logging on to the Web To log on to the device from the Web browser follow the steps below Step 1 Step 2 Step 3 Step 4 Start your Internet browser Enter the IP address of the device in the Web address field For example if the IP address is 210 65 231 205 enter http 210 65 231 205 You will be prompted to enter your user name and password To have full access privileges as an ADMINISTRATOR type root in the Login Name field If the default password was not changed type the password that w
27. STATUS menu Hardware status Software status Initialization status C ACT REQ Bit Rate Actual Bit Rate Max Indication to indicate if any of these errors LOS LOF LPR CRC and HEC has occurred Link Type DS Framing default Mode 3 ADSL Scrambling default on Trellis coded default off not in use Echo Cancellation default off not in use Bit Swapping default off Mode3 45 11 8 2 ATM Interface Monitor You can view the ATM interface statuses from the MAIN MON ATM menu In PPP or PPPoE mode the router can auto detect the IP address of the DNS server via the PPP negotiation process This menu will ignore the IP address that is set up on the MAIN CONF DNS menu and it displays the one that is dynamically detected m Interface m IP Mask address m VPI VCI m Encapsulation m PCR or SCR m Protocol m Status disable up the interface is ready for transmission or down the interface is not ready for transmission 11 5 3 ADSL Performance Statistics You can monitor the ADSL line performance from the MAIN MON ADSLPERF menu The menu records the statistics of the ADSL line performance You can reset the items marked since reset by holding down the Ctrl T keys The parameters are listed below m Line Attenuation dB Current attenuation Noise margin dB Current noise margin m Transmitted Blocks since reset the cumulative statistics of transmitted blocks since last reset a Received Bl
28. Step 1 The default of ATM16 is disabled If it is enabled disable it from the MAIN QC ATM ATM16 menu Step 2 Enter the MAIN CONF SNMP ILMI menu Step 3 Select Enabled from the ILMI field The value of the VPI VCI should be compliant with the remote DSLAM Step 4 Hold down the Ctrl S keys to save the parameters Step 5 You can view the ILMI status from the MAIN MON INTRPERF menu where the Interface 16 indicates ILMI Note The ILMI and ATM 16 cannot be enabled at the same time If the ILMI is enabled the following message is prompted when you attempt to enable ATM 16 ILMI should be disabled first If ATM16 is enabled the following message is prompted when you attempt to enable the ILMI ATM16 should be disabled first 40 Chapter 11 Maintenance 11 1 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 11 2 Load Factory Default Values Enter the MAIN DEFAULT menu On the menu the following message displays This will set system parameters to factory default Y N Press the Y key The system restores the default configurations After the default values are restored the following message displays Set system parameters to factory default Press any key to return to previous menu Press ESC to return to the previous menu Enter the MAIN WRITE menu to write the configurations to the flash memory Enter the MAIN REBOOT menu to reboot the system Write System Configurations
29. Y N Press the Y key to upgrade the software with the new file Step 5 When the new firmware is upgraded the screen will display the message Upgrade completed Press any key to continue Step 6 Enter the MAIN REBOOT menu to reboot the system Refer to Section 11 3 11 7 Homepage Upgrade The device utilizes the TFTP protoco to upgrade the homepage The homepage image file is pre downloaded in the system by factory default Follow the steps below to upgrade it Step 1 Enter the MAIN UTIL TFTP menu Step 2 Enter a parameter in the following fields m TFTP Server IP Address Enter the TFTP Server IP address E File Name The file name of the homepage m TFTP option select Download m Application Type select Homepage Step 3 Hold down the Ctrl S keys to start downloading the file from the TFTP server Step 4 When the download is completed the menu prompts Transfer Completed Upgrade now Y N Press the Y key to upgrade the homepage with the new file Step 5 After the homepage is upgraded the menu displays Upgrade completed Press any key to continue Press any key to continue The homepage is successfully upgraded 44 11 8 Performance Monitoring Enter the MAIN MON menu You can monitor the following ATM statuses ADSL Status Monitor ATM Interface Monitor ADSL Performance Statistics Interface Performance Statistics 11 8 1ADSL Status Monitor You can monitor the ADSL status from the MAIN MON
30. address Enter the address of the IP network Subnet mask Enter the mask of the IP network Operation Mode Router Bridge Step 4 Hold down the Ctrl S keys to save the parameters Note For PPP or PPPOE protocol if the Dynamic function is selected in the IPCP field your ISP IP server will auto assign an IP address and subnet mask to the device You can enter the MAIN MON ATM menu to see what IP address and subnet the device is assigned 4 2 3 ATM VC Parameters The CT 511 supports 16 virtual channels Step 1 Enter the MAIN QC VC menu Step 2 Enter a VC leaf menu VC1 to VC16 e g MAIN QC VC VC1 Step 3 Enter a parameter in each field VPI VCI Enter the value of VPI and VCI VPI The Virtual Path Identifier VPI is part of the cell header for the cells that are transferred over this connection The VPI value ranges between zero and 255 VCI The Virtual Channel Identifier VCI is part of the cell header for the cells that are transferred over this connection If you are configuring multiple VCs enter the number of the corresponding VC in this field The VCI value ranges between 33 and 65534 AALS Encapsulation VCMUX VC based multiplexing for the PPP and PPPOE protocols LLC LLC encapsulation for the PPP protocol VC QOS UBR Unspecified Bit Rate No limit has been specified for the information rate CBR Constant Bit Rate This class is used for emulating circuit switching The cell rate is constant
31. af u EN onmino CORPORATION C TI 511 ADSL Router User s Manual Version D1 1 08 05 2002 261015 008P Preface This manual is written for the CT 511 software version 2 38V M1 It provides general information about the features functions installation and operation of the CT 511 ADSL Router The following topics are covered Chapter 1 2 features and physical installation of the device Chapter 3 10 operation and configuration via a console and Telnet Chapter 11 maintenance via a console and Telnet Chapter 12 operation and configuration via the Web The reader of this manual is presumed to have a basic understanding of telecommunications For product update new product release manual revision software upgrade technical support etc visit Comtrend Corporation at http www comtrendcorp com Copyright Copyright 2001 Comtrend Corporation All rights reserved The information and messages contained herein are proprietary to Comtrend Corporation No part of this document may be translated transcribed reproduced in any form or by any means without prior written permission by Comtrend Corporation This document is subject to change without notice Technical support If you find the product out of service or that it doesn t work properly please contact technical support engineer for immediate servicing or email to globalsp comtrendcorp com Table of Contents CHAPTER 1 1 1 1 2 1 3
32. al is looped to its receiver A continuously variable signal compare with digital The Part of the G 992 1 standard that refers to ADSL over POTS adopted by the US The Part of the G 992 1 standard that refers to ADSL over ISDN adopted by Europe The Part of the G 992 1 standard that refers to ADSL over ISDN adopted by Japan American National Standards Institute American Standard Code for Information Interchange The loss of power of a transmitted signal as it travels over a wire A RIP command to restore the default behavior of automatic summarization of subnet routes into network level routes The main circuit that carries data before it is split into extended circuits going to their final destination Often used to refer to the part of the network that joins LANs together The range of frequencies of a transmission channel The wider the range the higher the data rate that can be sent Hence bandwidth is also taken to mean the data rate One baud is one symbol state transition or level transition per second Bit Error Rate Test A test that compares a received pattern with a known transmitted pattern to determine the quality A binary digit with the value of 0 or 1 Start a device 58 bps bridge broadband broadcast BT buffer bus busy Byte channel CHAP circuit co COM port CPE cross talk data rate default demodulation DHCP server DHCP Bits
33. ameter is inserted or changed 7 Modify To modify the parameters 8 Add To add an item to a list such as a MAC entry or a static route entry Click the Add button after inserting the required parameters Click Finish when the ADD action is completed 50 12 2 1 Quick Setup The Quick Setup Wizard includes five steps The device can function normally after these five steps are completed The Setup button links to a quick configuration page for the administrator to easily customize the device It has the following functions Step 1 Step 2 Step 3 Step 4 Step 5 LAN Parameters ATM Interface Parameters ISP Parameters ATM VC Parameters Click the Setup button to access the Quick Setup Wizard IAC Z E RA m 29 f COMECP Quick Setup Quick Setup Wizard Wizard Once you have completed the following five steps the system can work id easily suoi FIL eot CAN parameter Step 1 Complete LAN Parameters 9 step 2 FEAT Interface 1 Network Type Global Virtual Router Only sg p 2 IP Address IP address of the interface step 3 3 Subnet Mask Subnet mask of the IP address Fill out ISP parameter 2 Step 2 Complete ATM Interface Parameters Fill out ATM VC parameter 1 Interface Enable Enable Disable 2 Protocol Ethernet PPPAP over ATM PPPOE Router only modem is set to step 5 f Ethernet Seu quada yous 3 IPCP Dynamic Static Router Only 4 Network Type Global Virtual
34. ameters To display the static MAC entries enter MAIN CONF BRIDGING STATIC LIST menu 5 3 Spanning Tree Protocol The default setting of the Spanning Tree Protocol STP function of the CT 511 is disabled To enable it follow these steps Step 1 Enter the MAIN CONF BRIDGING STP BRIDGE menu m Spanning Tree Enabled Disabled factory default Disabled m Priority 0 65535 Step 2 Choose Enabled in the Spanning Tree field After the spanning tree is enabled it can function normally without other adjustments Step 3 To further specify the bridge or port priority perform Steps 4 6 Step 4 After choosing Enabled in the Spanning Tree field enter a value between 0 and 65535 in the Priority field Priority is used to define the bridging root Step 5 Enter the MAIN CONF BRIDGING STP PORT menu m Interface LAN and ATM1 to ATM16 factory default LAN m Operation Enabled Disabled factory default Enabled E Priority 128 ranging from 0 to 255 Step 6 Hold down the Ctrl S keys to save the parameters Step 7 Enter the MAIN WRITE menu to write the new configurations to the flash memory Step 8 To use the new configurations reboot the system by entering the MAIN REBOOT menu or reboot the system later 5 4 Forwarding Table To reach the bridging table where you can find the network status enter the MAIN UTIL BRIDGING menu 28 Chapter 6 IP Routing The IP routing function is disabled by factory default To enabl
35. as set in the console session refer to Section 3 1 1 Steps 9 13 To have read only access as a common USER type user in the Login Name field If the default password was changed type the password that was set in the console session refer to Section 3 1 1 Steps 9 13 Ifthe default password was not changed type user Note A system ADMINISTRATOR is the only person who can configure or change the parameters monitor and read the performance and status of the system A USER can monitor and read the status of the system The password to log on to the Web is the same as the Telnet password Refer to Section 4 1 2 for more details After successfully logging in you will reach the main configuration page 48 laces Function Overview Quick Set The following list is the system function overview If you want to see more information click the Quick setup wizard link of the specific feature on the left window A Basic confia Basic setup functions Home Main page a 5 Quick Setup Advance Config N Advance setup functions Basic Config Load Factory Default System Parameters ATM Interface Parameters VC Parameters ISP Parameters DHCP Parameters NAT Parameters E paN POEP a Y Miscellaneous tools 8 status Monitor Display the information of the system Figure 12 1 Web Main Menu Step 5 On each Web page there are three basic areas m The first area is the main menu on the top
36. d rate 9600 bps or configure the other functions by following the online explanations Step 3 After the parameters are set up the page will display all the adjusted settings for you to review Step 4 Click the Finish button to confirm the settings Step 5 The system will prompt you to save write the configurations in the system flash memory and then restart the system to make the new parameters effective Click the Save button and then the Restart button as instructed 52 12 2 3 Advance Configuration On the Advance Configuration page you can perform the following functions Step 1 Step 2 Step 3 Step 4 Step 5 Static Route Parameters RIP Parameters Transparent Bridging Parameters SNMP Parameters TFTP Parameters HTTPD to enable or disable the Web browser Save and Restart Click the Advance button to access the Advance Configuration page RIEG Advance Configuration confi EUIMT Static Route Parameters oe Static Route Static route parameters arp Add delete static routes Input parameters including network address subnet mask and gateway address Bridging A SNMP community RIP Parameters Router Only SNMP Tran General RIP parameter Qtr Mode Burr e Auto Summary A confiaure Review LAN RIP Parameters A Save and Restart xj Mode ez Figure 12 4 Advance Configuration Follow the online explanations to configure each function After the parameters are set up the pag
37. delete the static route 6 2 3 List Static Routes To view the static routes enter the MAIN CONF ROUTING STATIC LIST menu 6 3 Routing Table In order to validate the above RIP configuration for each interface the CT 511 provides one utility function to access the routing table located on the MAIN UTIL ROUTING menu 30 6 4 Ping Test Utility The ping test is used to verify the status of the network connection after the RIP or static route function is enabled It sends a request message to the host and waits for a return message This diagnostic function can verify if the remote host is reachable for Telnet or FTP purposes It can also measure the round trip time to the remote host Step 1 Enter the MAIN UTIL PING menu Step 2 Enter a parameter in each field Host address Enter the host address of the destination in the format aaa aaa aaa aaa where aaa is a value between 1 and 254 m Data Size Packet size for ping with a value between 32 and 1500 m Times The number of times that the ping test will be executed Step 3 Hold down the Ctrl S keys to start the ping test Step 4 In a few minutes the test results will be displayed 7 Ping Total The number of tests performed in total Ping Success The number of tests successfully performed m Ping Fail The number of tests that failed n Ping Average Time ms The average round trip time of the test Ping Last Time ms The round trip time of the last ping te
38. e device from the console through Telnet or through the Web Any of the methods can be used to access configure operate or monitor the device Initial configuration of the device must be performed from the console session Section 3 1 1 Before accessing the device verify that all the connections are made correctly 3 1 1 Console Management Your console PC should be installed with a VT 100 emulation program such as Telix or HyperTerminal Edition 5 Step 1 Start a standard VT 100 program such as Telix from the local terminal and set the console parameters as follows E Baud rate 9600 m Parity none a Data bits 8 u Stop bit 1 a Flow control none Step 2 After the session parameters are set up as shown in Step 1 press the Enter key You will be prompted to enter a login name and a password if the Console Password Check is enabled Serial Number 2 3 Flash Model I28F800B3B Hardware Version 03R Ethernet MAC Address 00 30 DA FF FF D8 IP Address 210 65 231 206 Firmware Version Version 2 26A Date May 8 2001 Time 10 37 18 Login root To have full access privileges as an ADMINISTRATOR type root in the Login field If the default password was changed type the new password refer to Steps 9 12 in this section If the default password was not changed type root To have read only access as a common USER type user in the Login field If the default password was changed type the new password
39. e lists the pin assignments of the RJ45 connector Pin Definition Pin Definition 1 RD 5 2 RD 6 TD 3 TD 7 4 8 Table 2 2 Pin assignments of the RJ45 Port e An RJ11 connector cable to connect to the ADSL port An RJ11 connector cable is used to connect the CT 511 to the telephone line from the telephone company The following table lists the pin assignments of the RJ11 connector Pin Definition Pin Definition 1 ADSL_TIP 2 5 K 3 ADSL RING Table 2 3 Pin Assignments of the RJ11 Port e Optional POTS splitter for G DMT and ANSI T1 413 features To carry both data and voice signals over an ADSL link a POTS splitter is necessary Optional micro filter for G lite feature A micro filter is required for the G lite application 2 3 Installation Figure 2 2 illustrates connections to the CT 511 backplane connectors Power Adapter Step 1 Step 2 Step 3 Step 4 Step 5 VT 100 Terminal Figure 2 2 CT 511 Installation Connect the Power jack to the AC power supply with a power adapter cord Connect the Ethernet ports 1x 2x 3x 4x to the LAN with RJ45 connector cables Up to four Ethernet ports can be connected Connect the Console port to a VT 100 compatible terminal with an RS232 straight through cable Connect the ADSL port to a POTS splitter or micro filter with an RJ11 connector cable Turn on the power switch on
40. e the IP routing feature of the CT 511 enter the MAIN CONF SYSTEM menu and select Router in the Operation Mode field also described in Section 4 1 3 Then you can configure the RIP static route and ping test functions that are explained in this chapter 6 1 Step 1 Step 2 Step 3 RIP Configuration Enter the MAIN CONF ROUTING RIP GENERIC menu There are two fields on the menu Enter a parameter in each field m Mode Select Enabled m Auto Summary Select Enabled if you use RIP version 1 Hold down the Ctrl S keys to save the parameters The RIP function is now enabled The default RIP parameter for each interface is RIPv1 In this default mode the CT 511 can operate normally without other adjustments If you want to configure advanced RIP functions perform the following procedure Step 4 Step 5 Step 6 Step 7 Enter the MAIN CONF ROUTING RIP INTERFACE ATM menu Enter an ATM interface leaf menu ATM 1 to ATM16 e g MAIN CONF ROUTING RIP INTERFACE ATM ATM1 Enter a parameter in each field m Mode Select Enabled m Version RIP version 2 or Version 1 m Authentication 1 None No authentication code is required 2 PlainText An authentication code is required You should also fill in the Authentication Code field to assign a password 3 MD5 An authentication code is required You should also fill in the Authentication Code field to assign a password u Poison Reverse 1 Enabled To enable the Po
41. e will display all the adjusted settings for the administrator to review the settings Click the Finish button to confirm the settings The system will prompt you to save write the configurations in the system flash memory and then restart the system to make the new parameters effective Click the Save button and then the Restart button as instructed 53 12 2 4 Utilities Click Utility to access the Utilities page The following briefly describes the functions on the Utilities page Ping Test to test specific network connection Routing Table Utility to see the routes of the system Forwarding Table Utility to see the forwarding table of the system TFTP Application 1 TFTP Server IP Address to define the TFTP server IP address 2 File Name to type the filename 3 Type to specify the TFTP option Download Upload and application type Firmware Configuration Homepage ADI firmware Save and Restart 12 2 5 Monitor Click Monitor to access the Running Status Monitor page The following briefly describes the functions on the Monitor page System Information 1 System Name 2 Firmware Version 3 Hardware Information 4 System Time ADSL Status Monitor ADSL DMT Tone Information Monitor ATM Interface Monitor ADSL Performance Statistics 1 Line Attenuation and Noise Margin 2 Transmitted and Received Blocks 3 CRC Errors 4 LOS LOF LPR ES Interface Performance Statistics 1 Transmitted and Received Packe
42. er Global IP Pool Press the TAB key to select a global pool number m Translation Type Press the TAB key to select NAT or PAT Step 3 Hold down the Ctrl S keys to save the parameters 35 Delete a NAT PAT Pool Translation Step 1 Enter the MAIN CONF NAT TRANSLATION DELETE menu Step 2 Enter a parameter in each field m Private IP Pool press the TAB key to select a private pool number m Global IP Pool press the TAB key to select a global pool number m Translation Type press the TAB key to select NAT or PAT Step 3 Hold down the Ctrl S keys to delete the pool translation List NAT PAT Pool Translation To display the NAT Pool Translation enter the MAIN CONF NAT TRANSLATION LIST menu 7 4 4 Fixed NAT IP Mapping The Fixed NAT IP Mapping function is used for mapping between global IP addresses and private IP addresses Each private IP address is mapped to a global IP address via which the data is received and transmitted The MAIN CONF NAT FIXED menu allows you to add delete and view the fixed private and global address Add a Fixed IP Address Mapping Step 1 Enter the MAIN CONF NAT FIXED ADD menu Step 2 Enter a parameter in each field m Private IP Address m Global IP Address Step 3 Hold down the Ctrl S keys to save the parameters Delete a Fixed IP Address Mapping Step 1 Enter the MAIN CONF NAT FIXED DELETE menu Step 2 Enter a parameter in each field m Private IP Address m Global IP Address Step 3 Hold do
43. erhead framing with asynchronous bit to modem timing i e enabled synchronization control mechanism Mode 1 Full overhead framing with synchronous bit to modem timing i e disabled synchronization control mechanism Mode 2 Reduced overhead framing with separate fast and sync byte in fast and interleaved latency buffer respectively i e 64 kbit s framing overhead Mode 3 Reduced overhead framing with merged fast and sync byte using either the fast or interleaved latency buffer respectively i e 32 kbit s framing overhead Scramble Disabled Enabled factory default Enabled Echo cancellation Disabled Enabled factory default Disabled Trellis coded Modulation Disabled Enabled factory default Disabled Bit swapping Mode 0 Mode 1 Mode 2 Mode 3 factory default Mode3 25 Chapter 5 Bridging 5 1 Overview Chapter 5 and Chapter 6 describe how to configure the CT 511 in order to forward packets to LAN and ATM WAN interfaces The CT 511 supports both bridging and routing modes A bridge forwards packets on the basis of a physical level or Medium Access Control address MAC A router forwards packets on the basis of network level addresses The CT 511 ADSL router can be configured to route IP or bridge other protocols between workstations on a Local Area Network LAN and up to 16 remote locations over an ATM Wide Area Network WAN 26 5 2 Static Bridging Configurat
44. ernet Bridged RFC1483 This is the factory default 2 IP Over ATM Routed RFC1483 3 PPP PPP over ATM a Configure the IPCP and ISP fields b Enter the corresponding ATM VC leaf menu and select VCMUX from the AAL5 encapsulation field also mentioned in Section 4 2 3 4 PPPOE PPP over Ethernet a Configure the IPCP and ISP fields b Enter the corresponding ATM VC leaf menu and select LLC from the AAL5 encapsulation field also mentioned in Section 4 2 3 or refer to the setting of the remote terminal m IPCP For PPP PPPOE Static A local IP address is assigned manually during the PPP session establishment Dynamic A local IP address is obtained dynamically from the remote PPP server during the PPP session establishment m PPP Keep Alive Interval the default is 10 seconds ISP For PPP PPPOE Assign this ATM interface to one of the eight ISPs and then enter the selected ISP menu to assign the required authentication user name and password for PAP and CHAP For example if you have selected ISP1 in this field Enter the MAIN QC ISP ISP1 menu to configure the ISP1 parameters Refer to Section 4 2 4 for more details 21 ATM VC The virtual channel number corresponds to the ATM interface e g ATM1 to VC1 or ATM2 to VC2 You should enter the ATM VC menu refer to Section 4 2 3 to configure the VC parameters For example if this field displays VC2 enter the MAIN QC VC VC2 menu to configure the VC2 parameters IP
45. eters The device can function normally after the quick configuration is completed The sub menus of the QC are also repeated in those of the CONF configuration 4 2 1 LAN Interface Step 1 Enter the MAIN QC LAN menu Step 2 Enter a parameter in each field E Network Type Select Virtual to enable the network address translation function or select Global to disable it a IP address Enter the address of the IP network Subnet Mask Enter the mask of the IP network Step 3 Hold down the Ctrl S keys to save the parameters 20 4 2 2 ATM Interface A network service defines the data encapsulation and protocol characteristics for the connection between two packet switching devices The CT 511 supports PPP PPPOE Routed RFC1483 and Bridged RFC1483 The CT 511 and the remote ISP should use the same network service to establish the session For PPP and PPPOE network services the device supports two authentication protocols PAP and CHAP These two services can identify the server s authentication protocol and will auto adjust to the same protocol Follow the steps below to set the ATM interface There are 16 ATM interfaces The default values of these interfaces are ATM1 to ATM10 enabled with the others disabled Step 1 Enter the MAIN QC ATM menu Step 2 Enter an ATM interface leaf menu ATM1 to ATM16 e g MAIN QC ATM ATM1 Step 3 Enter a parameter in each field Interface Enable or disable the ATM interface m Protocol 1 Eth
46. follow the steps below Step 1 Enter the MAIN CONF NAT SERVER DELETE menu Step 2 Enter the following parameters of the virtual server a Protocol TCP and UDP factory default TCP a Interface LAN and ATM1 to ATM16 If the virtual server is located at the same LAN interface as the CT 511 select LAN If the virtual server is located at the same ADSL interface as the CT 511 select one of ATM1 to ATM16 a Service Port Number related to the service name For example Web with port number 80 Step 3 Hold down the Ctrl S keys to delete the virtual server 7 3 3 List Virtual Server Entry To display the virtual server entry enter the MAIN CONF NAT SERVER LIST menu 7 4 Configure NAT PAT IP Pools This section specifies how to configure the CT 511 to do one to one virtual to global IP address translation Step 1 Assign the private IP addresses Refer to Section 7 4 1 Step 2 Assign the global IP addresses The CT 511 allows up to five sets of continuous global IP addresses The workstations in the private IP pools will be translated to one of the global IP addresses that is set in Section 7 4 2 Step 3 Map the private IP pool to the global IP pool for NAT PAT functionality Refer to Section 7 4 3 Step 4 Assign the fixed IP address Refer to Section 7 4 4 Step 5 Write the configurations in the flash memory by entering the MAIN WRITE menu Step 6 Reboot the system by entering the MAIN REBOOT menu 34 7 4 1 Private IP
47. he Ctrl S keys to download the software from the TFTP server When the download is completed the system will prompt Transfer Completed Upgrade now Y N Press the Y key to start upgrading the software with the new file When the new software is upgraded the screen will display the message Upgrade completed Press any key to continue Enter the MAIN REBOOT menu to reboot the system Refer to Section 11 3 42 11 5 Configuration Backup and Restoration The device utilizes the TFTP protocol to back up and restore the current configuration parameters The administrator may save the configuration parameters as a file and retrieve it later To perform the functions you can set up a TFTP server which can be LAN connected or WAN connected to the device Then refer to the following sub sections to configure the required parameters 11 5 1 Configuration Backup The configuration backup function is used to save the current system parameters as a file To do this follow the steps below Step 1 Step 2 Step 3 Step 4 Step 5 Enter the MAIN UTIL TFTP menu Enter a parameter in the following fields m TFTP Server IP Address Enter the TFTP Server IP address B File Name Enter the file name used for the configuration parameters m TFTP option Choose Upload m Application Type Choose Configuration Hold down the Ctrl S keys to start uploading the file to the TFTP server When the upload is completed the system wi
48. here is no activity or operation found in the console session the console session would end automatically The following message displays when the console session times out Session Timed Out Press ESC to enter console mode configuration To disable the function set the value to zero 4 1 6 Login Name amp Passwords There are two types of login names root and user Root is for the system administrator with full read write privileges and user is for the common user with read only privileges The login names are preset in the factory and cannot be changed Each login name comes with a password The default password for the system administrator is root and for the common user is user You can change the password by entering the MAIN CONF SYSTEM menu On the MAIN CONF SYSTEM menu assign a new password for the administrator in the New Administrator Password and Retype Password fields and assign a new password for the user in the New User Password and Retype Password fields 19 4 2 Quick Configuration This section describes how to configure the basic environment the interface and ISP for the CT 511 via the console or Telnet The CT 511 supports two interfaces Ethernet and ADSL link interface It can connect to a local area network via the Ethernet interface and to a wide area network via the ADSL link interface To complete the quick configuration enter the MAIN QC menu It includes settings for LAN ATM VC and ISP param
49. ield If the default password was changed type the password that was set in the console session refer to Section 3 1 1 Steps 9 13 If the default password was not changed type user The main menu displays The menus in a Telnet session are the same as in the console session 12 3 1 3 Web based management Web based management can be used by only one person at any one time It is enabled by factory default Step 1 Step 2 Step 3 Step 4 Access the device through the Web browser with the LAN IP address or WAN IP address refer to Section 3 1 1 Steps 5 8 on setting the LAN WAN IP address The default LAN IP address is 210 65 231 206 You will be requested to enter the login name and password Z Z JCOHEEP Web Configuration Login tame f Passwort O To have full access privileges as an ADMINISTRATOR type root in the Login Name field If the default password was not changed type the password that was set in the console session refer to Section 3 1 1 Steps 9 13 If the default password was not changed type root To have read only access as a common USER type user in the Login Name field If the default password was changed type the password that was set in the console session refer to Section 3 1 1 Steps 9 13 If the default password was not changed type user The main page displays For more information on configuring the CT 511 through the Web refer to Chapter 12 Note When a user has en
50. ion This section describes the static bridging configurations The user can add or delete a static MAC entry or view the bridging parameters 5 2 1 Add A Static MAC Entry Step 1 Step 2 Step 3 Enter the MAIN CONF BRIDGING STATIC ADD menu On the menu input the MAC address and Port Map Note Port Map There are 17 characters used to specify the operating mode of 17 interfaces when the MAC address is processed in bridging mode The first character represents the LAN interface 10000000000000000 and the last character represents the ATM16 interface 00000000000000001 There are three operating modes filter forward and dynamic represented as 0 1 and 2 respectively The dynamic mode means that the operating mode of the MAC address in the interface follows the learning result of the bridging function For example the port map of the MAC address is configured to be 10000000000000000 It means the MAC address will be forwarded to the LAN interface and filtered from all ATM interfaces Similarly 01000000000000000 means ATM interface 1 Bit 1 Bit2 Bit 3 Bit 16 Bit 17 LAN ATM1 ATM2 ATM15 ATM16 Hold down the Ctrl S keys to save the parameters 27 5 2 2 Delete a Static MAC Address Step 1 Enter the MAIN CONF BRIDGING STATIC DELETE menu Step 2 Enter the MAC address that you want to delete Step 3 Hold down the Ctrl S keys to delete the MAC address 5 2 3 List Static Bridging Par
51. ipment Equipment that transmits or receives data in the form of digital signals dynamic detection A process of a automatic detection of a new device EOC error control errored second added or removed from the PC Embedded Operations Channel An in band channel between DSL devices that operates at the physical layer for administration and maintenance data An algorithm used to detect and correct data transmission errors An item in performance measurement report which pertains to a one second period with one or more errored blocks Ethernet address Another name for MAC address Ethernet ETSI FCC filter firmware A standard protocol IEEE 802 3 for a 10 Mb s baseband local area network PAT bus that supports high speed communication among systems It operates at the Physical Layer of the OSI Model European Telecommunications Standards Institute Federal Communications Commission of the United States A configuration that stops the flow of certain types data frames Software that has been temporarily or permanently loaded into ROM 60 flash memory flow control FTP full duplex G 991 2 G DMT G lite gateway header hop host hub ICMP IDSL IEEE IEEE ILMI IP address IP multicast IPOA IRQ ISO ISP ITU A type of RAM that retains its information even after powering down A process that uses buffers to stop and start the flow of data in a network to avoid
52. ison Reverse 2 Disabled To enable the Splitting Horizon m Authentication Code To key in the password for authentication Hold down the Ctrl S keys to save the parameters Note that RIP is also available for LAN 29 6 2 Static Route Configuration This section describes how to add the static route delete the static route and view the static route table of the CT 511 6 2 1 Add a Static Route Step 1 Enter the MAIN CONF ROUTING STATIC ADD menu Step 2 Enter a parameter in each field Network Host address Enter the network or host address of the destination in the format aaa aaa aaa aaa where aaa is a value between 1 and 254 Subnet Mask Enter the mask of the IP network in the format aaa aaa aaa aaa where aaa is a value between 0 and 255 m Gateway Address Enter the address of the gateway Metric This is the maximum number of routers 1 to 15 through which the data packets must travel before reaching their destination Step 3 Hold down the Ctrl S keys to save the static route Note The default route for the network host address and subnet mask is 0 0 0 0 6 2 2 Delete a Static Route Step 1 Enter the MAIN CONF ROUTING STATIC DELETE menu Step 2 Enter a parameter in each field a Network Host address Enter the network or host address of the destination Subnet Mask Enter the subnet address of the IP network m Gateway Enter the address of the gateway Step 3 Hold down the Ctrl S keys to
53. l over Ethernet A method for establishing sessions and encapsulating PPP packets over an Ethernet specified by RFC 2516 Point to Point Tunneling Protocol An extension of Point to Point Protocol used to create virtual private networks between PCs 63 protocol A set of rules that govern the transmission of data between interconnected devices to maintain or improve communication Protocol based VLAN In a protocol based VLAN traffic is bridged through proxy server PSTN PVC QoS remote access remote digital loopback test This test loops the remote digital remote host RFC RIP RJ11 RJ45 router routing table RS 232 server SHDSL SLA SMTP specified ports based on its protocol Any packet using a different protocol is dropped as it enters the switch Provides a list of items available on other servers to increase the availability and speed of retrieving that information Public Switched Telephone Network The standard telephone network Permanent Virtual Circuit Virtual circuit that is permanently established Quality of Service The expected data loss or latency Communication from a remote location or facility through a data link receiver output back into the transmitter input The computer receiving the network commands Request for Comments Documents published by the Internet Engineering Task Force pertaining to Internet protocols and policies Routing Infor
54. ll prompt Configuration Upload Completed Press any key to continue Enter the MAIN REBOOT menu to reboot the system Refer to Section 11 3 11 5 2 Configuration Restoration To retrieve the configuration parameters follow the steps below Step 1 Step 2 Step 3 Step 4 Step 5 Enter the MAIN UTIL TFTP menu Enter a parameter in the following fields m TFTP Server IP Address Enter the TFTP Server IP address a File Name Enter the name of the configuration file m TFTP option Choose Download m Application Type Choose Configuration Hold down the Ctrl S keys to start downloading the file When the restoration is completed the system will prompt Configuration Restoration Completed Press any key to continue Enter the MAIN REBOOT menu to reboot the system Refer to Section 11 3 43 11 6 ADI Firmware Upgrade The device utilizes the TFTP protocol to upgrade the ADI firmware of the device s chipset Follow the steps below to upgrade the ADI firmware Step 1 Enter the MAIN UTIL TFTP menu Step 2 Enter a parameter in the following fields m TFTP Server IP Address Enter the TFTP Server IP address a File Name Enter the file name of the ADI firmware m TFTP option Choose Download m Application Type Choose ADI Firmware Step 3 Hold down the Ctrl S keys to download the firmware from the TFTP server Step 4 When the download is completed the system will prompt Transfer Completed Upgrade now
55. mation Protocol The protocol governing the exchange of routing information A 6 position jack used with dial networks and telephone sets An 8 position jack used with programmable dial networks Protocol dependent device that connects subnets together Routers operate at the network layer layer 3 of the ISO Open Systems Interconnection Reference Model A table that lists routing paths to enable a node to route traffic to another node in the network a low speed 25 position DCE DTE interface Hardware or software that offers a specific service such as database management to a client Symmetric High Bit Rate Digital Subscriber Loop A DSL technology that allows symmetrical transmissions over longer distances Defined by the G991 2 ITU standard Service Level Agreement A contract between a service provider and a customer which guarantees a minimum level or quality of service to the customer Simple Mail Transport Protocol A protocol used to transfer e mail between or among servers 64 SNMP Simple Network Management Protocol Protocol for open networking management SNMP agent An application program that enables communication between a management system and a device SNMP trap A message sent to a SNMP manager to communicate information about changes in the network such as a device being reset Spanning Tree Protocol STP a link management protocol that uses the static route STP STP subnet address
56. n devices This is based on the IEEE 802 1Q specification Transmission control protocol Internet protocol a set of protocols that govern peer to peer connectivity functions for local and wide area networks Transmission Control Protocol The TCP IP virtual terminal protocol that allows a user at one site to access a remote system at another site The number of bits characters or blocks that are able to pass through a data communication system 65 training A process where two modems try to determine the correct protocols and transmission speeds to establish a communication session trellis coded modulation Advanced error correction coding technique for UDP UNIX upload URL USB UTP vc VCI VDSL virtual circuit Virtual LAN VLAN VOD VPI VPI VPN VT100 WAN forward error correction to a modulation scheme by adding an additional bit to each baud User Datagram Protocol A connectionless protocol that converts data messages generated by an application into packets to be sent over IP An operating system developed at AT amp T Bell Laboratories To receive a file transmitted over a network Uniform Resource Locator An Internet standard addressing protocol for describing the location and access method of a resource on the Internet Universal Serial Bus A bi directional isochronous serial interface for adding dynamically connectable peripheral devices without the need for a reboo
57. nra n agn na igna 36 DNS PROXY ia riniscisadi ices CLEUUATERUIA trates ENAKLI ARE ERN a 37 aal T H M E 37 Configure DNS Proxy essesseseseemmmemenmenmenmee ene 37 DEC P oA FEPENUNESS DUAE UEREESEAGDA FEUBU NER EACUS NEUEN ERE 38 lau EE 38 Config re DACP isesend ht RR RI e NE EMORKERERRAF ERRMERENREREKEXAXR 38 pu ep Ue 39 Bosnie 39 I cp 39 Add a Trap Destination Entry ssssesssssseem e 39 Delete a Trap Destination Entry sseseesesseeeeeeee 40 List Trap Destination Entries seeseeeem 40 E EUTS 40 MATIN TENANCE eee rpne kit pa nan na RASA RRRNE 41 Load Factory Default Values essessesseseeeeemenee 41 Write System Configurations ccceeeeee eee eee eee teeta eee eees 41 Reboot Systemsa coii ie ck RR RR XR ON OR IXCRUENORCE A E Raa UR CURATUR 42 Software Upgrade essssseesssseseeneenennee eene nnn 42 11 5 Configuration Backup and Restoration cc eeeee eee eee eee ee eee 43 11 5 1 Configuration Backup ccecceeeeee eee eee ee eee eet ee ee eae eae ea eed 43 11 5 2 Configuration Restoration ccccceee cece eee tees teste teeta seas ea ees 43 11 6 ADI Firmware Upgrade cccceceeee eens eee e eee ne eee e estas eae tae eae 44 11 7 Homepage Upgrade cccecceec cece a E a 44 11 8 Performance MONnitoring cccecceee eee eee eee eee nets mme 45 11 8 1 ADSL
58. o Section 10 3 to set the ILMI 10 1 Community Step 1 Enter the MAIN CONF SNMP COMMUNITY menu Step 2 Enter a parameter in each field Read Only Community Enter the password for read only access a Read Write Community Enter the password for read write access Step 3 Hold down the Ctrl S keys to save the parameters 10 2 Trap Up to five trap destinations are available in the system 10 2 1Add a Trap Destination Entry Step 1 Enter the MAIN CONF SNMP TRAP menu Step 2 Select Add to enter the MAIN CONF SNMP TRAP ADD menu Step 3 Enter a parameter in the following fields m Version Select Version 1 or Version 2 m Destination IP Enter the destination IP address Community Enter a parameter for the community Step 4 Hold down the Ctrl S keys to save the parameters 39 10 2 2Delete a Trap Destination Entry Step 1 Enter the MAIN CONF SNMP TRAP menu Step 2 Enter a parameter in the following fields to delete a trap destination entry m Version Select Version 1 or Version 2 m Destination IP Enter the destination IP address Community Enter a parameter for the community Step 3 Hold down the Ctrl S keys to delete the trap destination entry 10 2 3List Trap Destination Entries To display the trap destination entries enter the MAIN CONF SNMP TRAP LIST menu 10 3 ILMI The ILMI link is processed via the ATM interface 16 To enable it the ATM16 should be disabled first Follow the steps below to enable it
59. ocks since reset the cumulative statistics of received blocks since last reset CRC since reset the detected CRC error since last reset LOF since reset the detected Loss of Framing since last reset LPR since reset the detected Loss of Power since last reset ES since reset the detected Errored seconds since last reset LOSs Current 15 min Current 1 day the cumulative statistics of seconds when there is Loss of Signal for the current 15 minutes or 1 day m LOFs Current 15 min Current 1 day the cumulative statistics of seconds when there is Loss of Framing for the current 15 minutes or 1 day u LPRS Current 15 min Current 1 day the cumulative statistics of seconds when there is Loss of Power for the current 15 minutes or 1 day a ESs Current 15 min Current 1 day the cumulative statistics of Errored Seconds for the current 15 minutes or 1 day 46 11 8 4 Interface Performance Monitor You can monitor the interface performance statistics of LAN and ATM1 to ATM16 on the MAIN MON INTRPREF menu You can reset the items marked since reset by holding down the Ctrl T keys Interface LAN or ATM interfaces Transmitted packets since reset the transmitted packets since last reset Received packets since reset the received packets since last reset Received errors since reset the received errors since last reset The errors may be HEC error ABORT error Receive Length error LN CRC error CR
60. per second The speed at which bits are transmitted across a data connection A device that links local or remote area networks together forwarding packets based on a MAC address compare with router Communication channels operating at transmission rates in excess of 64 Kbps The simultaneous transmission to two or communication devices more Burst Tolerance The limit parameter of the Generic Cell Rate Algorithm GCRA A temporary storage used to compensate for a difference in the rate of flow of data An assembly of conductors that carries signals to and from devices along its path and serves as a common connection for a group of related devices A device s operational state when the device is occupied with processing a call Eight bits arranged in sequence A bi directional communications pathway between a host server and a client Challenge Handshake Authentication Protocol A PPP protocol to ensure authentication of the connection between two devices A logical connection between two devices Central Office the local telephone exchange also called PSTN A computer s serial communications port Customer Premises Equipment Equipment used by the end user Undesired coupling of a signal from one circuit or channel to another The speed measured in bits per second that data is transferred over the carrier line A pre defined original value The recovery from a modulated carrier of a signal
61. rrupt on a PC International Standards Organization Internet Service Provider An organization that provides access to the Internet International Telecommunications Union The telecommunications agency of the United Nations 61 kbps LAN latency LED LOC local analog loopback local loop local loopback test An analog loopback LOS MAC address MAC Mbps MCU MDU MIB II MIB modem modulation multicasting Literally it means Kilobits per second but usually it is taken to mean 1 024 bits per second Local Area Network A LAN is a A data communications system that lies within a limited spatial area has a specific user group and has a specific topology The time it takes a signal to transmit from its source to its destination Light Emitting Diode A light or status indicator Loss of Cell delineation A situation where receiving equipment is unable to identify the boundaries of a cell A test in which the modem s VF signal is looped to its receiver An ordinary telephone line loopback test that loops a device s transmitter output back to receiver input A diagnostic procedure where a test message is sent back to its origination point in order to isolate an equipment or data line problem Loss of Signal A digital line condition where there are no pulses Media Access Control address The unique fixed address of a piece of hardware normally set at the time of man
62. sly to refresh or restore the menu Q Press the Q key to stop certain actions such as software downloading In the leaf menu some configuration fields are marked TAB It Tab means you need to press the TAB key to scroll through and select the pre defined options The following backup keys can be used if your software doesn t support arrow keys W Moves the cursor upward equal to the up arrow key AZ Moves the cursor downward equal to the down arrow key A Return to the previous screen equal to the left arrow key D Enter the selected item equal to the right arrow key 17 Chapter 4 Initial Configuration Console Telnet This chapter describes how to configure the device for the first time in the console Telnet session It includes initial configuration quick configuration basic configuration and ADSL characteristics parameters For advanced configurations refer to Chapters 5 to 11 4 1 Initial Setup This section describes how to configure the fundamental features of the device The default settings of these features are listed below To change the settings enter the MAIN CONF SYSTEM menu and refer to the relevant sub sections m Cochipset ADI m Console password check Enabled m Login name and passwords root root for administrator with read write access user user for common user with read only access Operation mode Bridge Physical mode ANSI full If you change the configurations write the new parame
63. st 31 Chapter 7 Network amp Port Address Translation 7 1 Overview Public IP addresses are registered and can be used within a public network such as the Internet Due to the limitation of IP version4 address space and the growth of the Internet the public addresses are becoming more scarce One solution to this problem is to use private addresses in the small LANs and to use Address Translation when accessing the CT 511 on a public network Both Port Address Translation PAT and Network Address Translation NAT are supported by the CT 511 7 2 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 If the PAT NAT function is required refer to Section 7 2 to enable the PAT NAT function Thus all the hosts in the virtual LAN will transmit data by means of the PAT across the WAN IP addresses To set up a server that can be accessed by the Internet users such as a SMTP server Web server and FTP server refer to Section 7 3 To further map the private IP addresses in the virtual LAN on to the specified global IP addresses refer to Section 7 4 Enable PAT NAT Enter the MAIN QC LAN menu Select Virtual in the Network Type field Hold down the Ctrl S keys Enter the MAIN CONF SYSTEM menu Select Router in the Operation Mode field Hold down the Ctrl S keys Enter the MAIN CONF NAT to set the NAT PAT parameters Refer to Sections 7 3 and 7 4 to configure these parameters 32 Note Reserved
64. t Unshielded twisted pair is the most common kind of copper telephone wiring Virtual Circuit A logical connection or packet switching mechanism established between two devices at the start of transmission Virtual Channel Identifier The 16 bit field in an ATM cell header that specifies the virtual channel over which the cell is to be transmitted Very high speed DSL A DSL protocol running at up to 52 Mbps that is restricted to short distances A logical circuit established between two devices at the start of transmission A virtual network is a network where workstations may or may not be physically connected to the same network also see Port base VLAN Protocol based VLAN Tag based VLAN See virtual LAN above Video On Demand A service that provides video to subscribers upon request Virtual Path Identifier Virtual Path Identifier The 8 bit field in an ATM cell header that specifies the routing path for a cell Virtual Private Network A network implemented over a public network that is made private by use of encryption A terminal used for asynchronous communications Wide area network A communications network that connects geographically separated areas Compare with 66 LAN XDSL A generic term for all varieties of DSL XOFF A character that notifies a device to stop transmitting data XON A character that notifies a device to start or resume transmitting data 67 Contact
65. tered the system via the Web no other users can access the device via the Web at the same time Other users can access the device through the console or through Telnet 13 3 2 General Configuration Steps in a Console Telnet Session 3 2 1 Configuration Steps The CT 511 is configured from the main menu branch menu leaf menu in order For ease of use when describing configuration procedures in this document the full path name is given e g MAIN QC LAN For example if you want to configure the LAN interface of the CT 511 complete the following procedure Step 1 Enter the main menu The path prompts MAIN to indicate the directory of the current operating menu ADSL Router Main Menu gt gt L0C Quick Configuration CONF Configuration MON Status Statistics Monitor UTIL Utilities SYS System Information WRITE Write Configuration REBOOT Reboot QUIT Disconnect IUp W IDown 2 ILeft R Prev Menu IRight D Next Menu PATH gt MAIN Step 2 Use the up or down arrow keys to select an item In this case select QC Press the right arrow key to go to the MAIN QC branch menu The path prompts MAIN QC to indicate the directory of the current operating menu ADSL Router Quick Configuration gt gt CLAN LAN Parameters CATH ATH Interface Parameters VC ATH VC parameters TSP Set ISP Parameters Up W Down 2 ILeft R Prev Menu Right D Next Menu PATH gt
66. ters from the MAIN WRITE menu and then reboot the device 4 1 1 Bridge and Router Mode Enter the MAIN CONF SYSTEM menu In the Operation Mode field select bridge or router for the CT 511 If bridge mode is selected the IP address of the LAN interface is considered the bridge IP and the IP addresses of the ATM interfaces are not applicable The default operation mode is bridge mode 4 1 2 CO Chipset In the CO Chipset field select the CO DSLAM manufacturer to be ADI Alcatel or TI 18 4 1 3 ADSL Physical Mode Enter the MAIN CONF SYSTEM menu In the ADSL Physical Mode field press the TAB key to select a physical mode The following modes are supported ANSI full rate ANSI Splitterless G992 1 G DMT G992 2 G lite Auto Mode and Fast ADSL Auto If Auto Mode is selected the device can auto detect the following modes from the CO side ANSI full rate ANSI Splitterless G992 1 G DMT G992 2 G lite If the CO side supports Fast ADSL select Fast ADSL Auto in this field The default physical mode is ANSI full 4 1 4 Console Password Check To access the device from the console mode a user name and a password will be requested You can disable this function from the MAIN CONF SYSTEM menu Select Disabled in the Console Password Check field To change the password refer to Section 4 1 2 4 1 5 Console Session Timeout In the Session Timeout field you can enter the length of time minutes after which if t
67. the rear panel Caution 1 If the device fails to power on or it malfunctions first verify that the power supply is correctly connected and then power it on again If the problem persists contact Comtrend technical support engineers Caution 2 Always disconnect all telephone lines from the wall outlet before servicing or disassembling this device Chapter 3 Management This chapter provides information on accessing the CT 511 for configuration operation or monitoring purposes It also provides a configuration overview describes the menu layout and lists common keyboard commands It is recommended that users read this chapter and Chapter 4 before configuring or operating the device The following describes two important things that cannot be ignored during configuration 1 Saving the system configuration Telnet Console After you have modified the parameters of the device always save the changes from the MAIN WRITE menu and then reboot the device from the MAIN REBOOT menu If this procedure is not done the parameters you have changed will be lost after you end the session or reboot the device 2 Loading the default values To retrieve the default values m Enter the MAIN CONF DEFAULT menu and select Yes to load the default values m Enter the MAIN CONF WRITE menu to save the parameters Enter the MAIN CONF REBOOT menu to reboot the device 3 1 How to Access the CT 511 Three methods are available to access th
68. ts 2 Transmit and Receive Rates 12 2 6Incorrect Setting When an incorrect parameter is input the system informs the operator that the parameter is not right and requests a correction 54 Appendix Specifications WAN interface one ADSL port Item Specifications ADSL standard G DMT data rate G lite data rate ATM attributes Item ANSI T1 413 ISSUE 2 G DMT G lite Downstream 11 Mbps Upstream 1 Mbps Downstream 1 5 Mbps Upstream 512 Kbps Specifications PPP over AAL5 Multi protocol over AAL5 VCs AAL type ATM service class ATM UNI support OAM F4 F5 Management Item RFC2364 RFC1483 16 AAL5 UBR CBR VBR UNI 3 1 PVC Yes Specifications Console port SNMP TR 006 ADSL line MIB Telnet Web based management Configuration backup and restoration LED indicators RS232 DB9 Yes Yes Yes Yes Yes ADSL status LAN status Power 55 Local interface 4 port Ethernet Switch Item Specifications Standard Transparent bridging and learning Routing functions Item IEEE 802 3 10 100BaseT Yes Specifications IP static route RIP and RIPv2 Network functions Yes Yes Item Specifications ARP Yes DNS NAT PAT DHCP BOOTP Yes PAP CHAP Yes Power supply Item Specifications Power source Input voltage Environmental conditions Item 110 VAC or 220 VAC 50 or 60 Hz 12 to 14 VAC Specifications
69. ufacture and used in PAT protocols Medium Access Control a protocol for determining which device has access to the network at any one time Megabits per second One megabit is 1 048 576 10242 bits Multi Commercial Unit A commercial building or complex with multiple tenants Multi Dwelling Unit A residential building with multiple tenants MIB Release 2 An update of the MIB standard defined by RFC 1213 Management Information Base A database of managed objects used by network management protocols to provide network management information and device control Modulator Demodulator A device used to convert a digital signal into an analog signal and vice versa so that data can be transmitted over a telephone line The process of varying the amplitude frequency or phase of a carrier wave to form data transmissions The ability of a network node to send the same data to multiple endpoints 62 multiframe NAT An ordered functional sequence of frames on a multiplexed digital circuit Network Address Translation is a transparent routing function that translates a Private IP address on a PAT into a Public address that can be used in a public network network address The network portion of an IP address network protocol Network protocols encapsulate and forward data packets NIC node noise PAP PAT ping Plug and Play from one interface to another A Network Interface Card is a card
70. up to 11 Mbps In addition it supports up to 16 virtual concurrent connections to multiple destinations It also has full routing capabilities to segment route IP protocol and is capable of bridging other protocols 1 2 Features Compact and high performance standalone unit Bridge and routing function Fast ADSL up to 11 Mbps ANSI T1 413 G DMT G lite Auto negotiation rate adaptation AAL5 for ATM over ADSL UBR CBR VBR ATM services VC based and LLC multiplexing Up to 16 VCs 4 port 10 100BaseT Ethernet switch half full duplex One console port for local management Embedded SNMP agent and ADSL Forum TR 006 ADSL Line MIB Web based management Configuration backup and restoration OAM F4 F5 Static route RIP RIPv2 routing function Dynamic IP assignment and network address translation POTS splitter and micro filter available 1 3 Application Figure 1 1 shows a possible application of the CT 511 It can be used for G lite and G DMT applications Micro filter ANSIT1 413 ADSL G DMT t POTS splitter shelf POTS splitter n CT 511 Figure 1 1 Application of the CT 511 1 4 Front Panel LED Indicators There are eight LED indicators on the front panel Figure 1 2 These LEDs indicate power status data activity and physical links The description of each LED is given in Table 1 1 s COMTREND POWER 8 LED Indicator POWER Power is not connected Ethernet link a backplane LA
71. wn the Ctrl S keys to delete the mapping List Fixed IP Mappings To display the Fixed IP Mappings enter the MAIN CONF NAT FIXED LIST menu 36 Chapter 8 DNS Proxy 8 1 Overview A Domain Name Server DNS provides an IP address to a host computer for an applied Domain Name The CT 511 supports the DNS proxy feature which receives and attempts to find an entry in its local tables and when one is not found forwards the request to a remote server 8 2 Configure DNS Proxy The default setting for DNS Proxy is disabled To enable it follow the procedure below Step 1 Enter the MAIN CONF DNS menu Step 2 Enter a parameter in each field DNS proxy Enabled Disabled factory default disabled a Primary Server IP address Enter the primary server IP address This is the priority 1 choice m Secondary Server IP address Enter the secondary server IP address that will be used immediately when the primary server IP address fails or is not available Step 3 Hold down the Ctrl S keys to save the parameters 37 Chapter 9 DHCP 9 1 Overview The Dynamic Host Configuration Protocol DHCP provides a centralized approach to configuring the IP address and parameters When a workstation is configured for automatic IP address assignments it broadcasts a request to the LAN The CT 511 acts as the DHCP server and responds with An IP address and subnet mask for the workstation The Domain name which is the same as that in MA

CT-511 ADSL Router User`s Manual

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