Comtrend Corporation CT-500S User Manual
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Comtrend Corporation CT-500S User Manual

Comtrend Corporation CT-500S User Manual

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CT-500S

ADSL Router

User's Manual
Version F1.0
8/19/2002
261031-002P

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Summary of Contents for Comtrend Corporation CT-500S

  • Page 1: Adsl Router

    CT-500S ADSL Router User’s Manual Version F1.0 8/19/2002 261031-002P...
  • Page 2 Preface This manual is written for the following software version: AD6489 0814. It is written for Web management. It is designed to provide information to network administrators. It covers the installation, operation and applications of the ADSL router. Version Notes This software was upgraded from software Version 0725, the following default settings have been added: 1.

  • Page 3: Table Of Contents

    Table of Contents Part 1: Overview........1 Chapter 1 Introduction ............1 Product Overview ..............1 Features ................1 Application ................. 2 Front Panel LED Indicators............ 2 Chapter 2 Hardware Installation........3 Preparing for Installation ............3 Installation ................. 4 Part 2: Console Management ....5 Chapter 3 Access by Console..........
  • Page 4 Chapter 6 Advanced Configuration........27 ADSL Mode............... 27 NAPT (Port Translation) ............28 6.2.1 Add a NAPT ..............29 6.2.2 Flush NAPT Entries ............30 DHCP................30 6.3.1 Enable DHCP ..............30 6.3.2 Disable the DHCP .............. 31 Boot P/DHCP Relay ............31 SNMP ................
  • Page 5 System statistics ............... 54 7.2.1 Interface Statistics ............54 7.2.2 TCP-IP ................55 7.2.3 DHCP-Lease ..............56 ATM statistics ..............56 7.3.1 AAL5 ................56 7.3.2 Encapsulation ..............57 Chapter 8 Diagnostics ............58 OAM Loopback ..............58 Ping ................59 Chapter 9 Adding a PVC ...........

  • Page 7: Part 1: Overview

    Part 1: Overview Chapter 1 Introduction This chapter introduces the ADSL Router. It includes a product overview, description of the products features and applications, and explains the functions of the Front panel LED indictors. Product Overview The ADSL Router utilizes an ADI chipset to meet the specific needs of multiple users at small/home offices and remote /branch offices.

  • Page 8: Application

    Application Figure 1-1 shows a possible application of the router. PSTN Micro filter ADSL (G.DMT) ADSL Router POTS splitter shelf POTS splitter ADSL Router DSLAM Figure 1-1 Application Front Panel LED Indicators Mode Function Color Indicator Power is supplied to the router Power Green Power is not supplied...

  • Page 9: Chapter 2 Hardware Installation

    Chapter 2 Hardware Installation Preparing for Installation Installation requires the following equipment: A VT-100 compatible terminal – This terminal is essential to perform the initial configuration of the router. 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.

  • Page 10: Installation

    Installation Figure 2-2 illustrates connections to the router backplane connectors. Figure 2-1 Installation Caution: Always disconnect all telephone lines from the telephone wall-outlet before servicing or disassembling this device. STEP 1 Connect the power adapter to the power jack of the device, and then plug the power adapter into the wall outlet.

  • Page 11: Part 2: Console Management

    Part 2: Console Management Chapter 3 Access by Console This chapter will introduce console management, if you wish to use the web to manage your device you should see Part 3 of this manual. The web section can also be referenced for more complete explanation of some parameters and procedures.

  • Page 12: Console Access

    2. Values in square brackets represent the range of permissible values. For example, [8~35], indicates that a value from 8 to 35 may be entered. Pop-up messages You are likely to see the following pop-up messages (messages are highlighted) Mandatory, Enter Valid Value This message indicates that a parameter must be entered.

  • Page 13: Saving Parameters/ Rebooting

    STEP 4 The first screen of the console interface will now display. Saving Parameters/ Rebooting After changing parameters, in order to ensure that they are retained after rebooting or re-powering the router, you must save the parameters to flash memory. These procedures can be performed by completing the following steps: 1.
  • Page 14 4. Upon completion, you will see the Success message displayed.

  • Page 15: Part 3: Web Management

    Part 3: Web Management This section describes how to manage the router via a Web browser from the remote end. You can use a web browser such as Microsoft Internet Explorer, or Netscape Navigator. It is best to set your display resolution to 1024 x 768. To change the resolution you can go to the Microsoft Windows control panel and click on the Display icon, and change the display settings.
  • Page 16 STEP 2: Click OK to submit the settings. STEP 3: Start your Internet browser with the default IP address 192.168.1.1.

  • Page 17: Login Procedure

    Login Procedure To log on to the system from the Web browser, follow the steps below: STEP1: Start your Internet browser. STEP 2: Type the IP address for the router in the Web address field. For example, if the IP address is 192.168.1.1, type http://192.168.1.1 STEP 3: You will be prompted to enter your user name and password.

  • Page 18: Chapter 5 Basic Configuration

    Chapter 5 Basic Configuration From the Basic menu bar you can change passwords, configure the WAN/LAN interfaces, set-up routing, save settings, reboot the device, and retrieve the factory default settings. Change the Password To modify the password, click Change Password from the menu bar. Type the old password and type the new password twice.

  • Page 19: Adsl Link Status

    ADSL Link Status To view the ADSL link status, click Link Status from the tool bar. The page includes the following information: ADSL Line Status Shows the current status of the ADSL line ADSL Mode Shows the ADSL standard that is currently configured. The MULTI, T1.413, G.DMT, and G.LITE.

  • Page 20: Wan Setup

    WAN Setup Click WAN Setup from the tool bar and configure the WAN interface for these services: RFC1483 Bridged, RFC1483 Routed, PPPoE, PPPoA, and MER. The following are the common settings to set up these services. VPI and VCI LLC Encapsulation: With LLC encapsulation, a link control header is added to the Ethernet packet that identifies the protocol type (Ethernet).
  • Page 21 To modify an entry, complete the following steps: STEP 1: Select the entry from the Current ATM PVC List, at the bottom of the WAN Setup page. The current values of the selected entry will display in the upper section of the page. STEP 2: Change the parameters.

  • Page 22: Rfc 1483 Routed

    5.3.2 RFC 1483 Routed To set up the RFC 1483 Routed, configure the common settings on the top of the page, click RFC 1483 Routed and configure the specific settings (WAN IP address and WAN subnet mask). Click the Add button to add the entry. To modify an entry, complete the following steps: STEP 1: Select the entry from the Current ATM PVC List, at the bottom of the WAN Setup page.

  • Page 23: Pppoe

    5.3.3 PPPoE PPPoE provides service providers similar billing and access control as present in dial-up services. And with direct support to Ethernet it provides a low cost solution to supporting multiple hosts at the customer premises. PPPoE provides session authentication using either Password Authentication Protocol (PAP) or Challenge Handshake Authentication Protocol (CHAP).
  • Page 24 To set up PPPoE, click PPPoE (NAT Enabled), configure the common fields on the top of the page and the following fields. Click the Add button to add the entry. User name/Password: used for the remote customers to login during dialup.

  • Page 25: Pppoa

    5.3.4 PPPoA To set up PPPoA, click PPPoA, configure the common fields and the following fields. Click the Add button to add the entry. User name and Password: used for remote customers to login upon dialup. PPPoA is manually activated by entering startup commands from the page: Advanced>Configure PPPoA.

  • Page 26: Mer

    5.3.5 MER MAC Encapsulation Routing (MER) implements router features over RFC1483 bridged link. MER enables the ATU-R to send and receive IP packets encapsulated as bridged frames with MAC address. The ATU-R runs with full router functions, including NAPT, virtual server, RIP, DHCP, and so on. MER utilizes network address translation (NAT) to allow multiple PCs with different private IP addresses on the LAN to share a public IP addresses.

  • Page 27: Lan Ip Address

    STEP 2: Change the parameters. STEP 3: Click Modify. To delete an entry, Select it from the Current ATM PVC List, at the bottom of the WAN Setup page, and click the Delete button. LAN IP Address Click LAN Setup from the menu bar to configure the LAN IP address. Type the IP address and subnet mask.

  • Page 28: Routing

    Routing Click Routing Setup from the menu bar to configure the routing functions. Routing functions includes RIP and static routing. You can display the RIP information by clicking the RIP information button. The default static routes table has three static routes: Network ID Subnet Mask Next hop IP...

  • Page 29: Enable Rip

    5.5.1 Enable RIP To enable the RIP, complete the following steps: STEP 1: Click Routing Setup from the menu bar STEP 2: Select On in the Rip Status field. STEP 3: Select a RIP Version (Version 1 or Version 2) from the Version field. STEP 4: Click Apply to submit the settings.
  • Page 30 Add: To add a static route complete the following steps: STEP 1: Click Routing Setup from the menu bar STEP 2: Enter parameters for Destination Network ID, Subnet Mask, Next Hop IP STEP 3: Click the ADD button Modify: To modify a static route complete the following steps: STEP 1: Select the entry you wish to modify from the List of Static Routes STEP 2: Change the parameters STEP 3: Click the Modify button...

  • Page 31: Save

    Save To save the settings to Flash, click Save & Reboot from the menu bar. In the main pane, click Save. Reboot To reboot the router, click Save & Reboot from the menu bar. In the main pane, click on Reboot.

  • Page 32: Retrieve Default Settings

    Retrieve default settings To retrieve the default settings, click Erase & Reboot from the menu bar. In the main pane, click Erase.

  • Page 33: Chapter 6 Advanced Configuration

    Chapter 6 Advanced Configuration ADSL Mode There are four ADSL modes: MULTI, T1.413, G.DMT, and G.LITE. The default ADSL mode is MULTI. MULTI mode enables the device to auto-adjust its mode to match the remote CO DLSAM. You can specify an ADSL mode on this page, and click the Apply button to submit the settings.

  • Page 34: Napt (Port Translation)

    NAPT (Port Translation) The discussion in this section is for port translation. For IP address translation, refer to Section 17.1.2 WAN Interface. NAPT, also called overloading, is a form of NAT that maps multiple Private IP addresses to a single Public IP address. PAT allows several virtually addressed workstations to share a single global address.

  • Page 35: Add A Napt

    6.2.1 Add a NAPT To add a NAPT, complete the following steps: STEP 1: Click NAPT from the Advanced menu bar STEP 2: Click Add. STEP 3: Enter the following parameters: Public Port Enter the public port number. Any packet whose IP header contains the specified destination port will be mapped or redirected.

  • Page 36: Flush Napt Entries

    6.2.2 Flush NAPT Entries To flush (delete) all NAPT entries click the Flush button on the NAPT screen. DHCP The Dynamic Host Configuration Protocol (DHCP) provides a centralized approach to allocating IP addresses. It allows IP addresses to be dynamically assigned on an as needed basis, from a pool of addresses.

  • Page 37: Disable The Dhcp

    6.3.2 Disable the DHCP STEP 1: Click DHCP from the menu bar to configure the DHCP parameters. STEP 2: Click Disable. STEP 3: Click Apply. Boot P/DHCP Relay The DHCP packet format is based on a BootP packet. As a result, DHCP uses the BootP relay agent to forward DHCP packets.

  • Page 38: Snmp

    STEP 3: Enter the IP Address of a numbered network interface that you want to receive BOOTREQUEST or DHCP packets from clients. STEP 4: Click on the Apply button. SNMP SNMP is a software entity that responds to information and action request messages sent by a network management station.

  • Page 39: Modifying Snmp Parameters

    6.5.1 Modifying SNMP Parameters To modify the SNMP parameters, click the Modify button at the bottom of the screen. Click Apply to submit the settings.

  • Page 40: Configure

    Configure From this page you can configure LAN and WAN interfaces, VCC, PPPoE, PPPoA, DNS & Default Gateway, and NAT. 6.6.1 Configure Interface To configure an interface, select it by clicking in the round-box on the left in the screen. Then click on the Configure Interface button at the bottom of the screen. Note the following: Interfaces: Interface mer0 usage is reserved;...
  • Page 41 Interfaces pppo to ppp7 display the interfaces configured for PPPoE or PPPoA. Parameters: Dynamic IP address from DHCP: Selects the IP address to be assigned by the DHCP server. Static IP address: Selects the IP address to be statically assigned. Interface: The name of the interface currently selected.

  • Page 42: Dns & Default Gateway

    The following is a screen shot for the ATM interface. 6.6.2 DNS & Default Gateway: To configure the DNS and default gateway, complete the following steps: STEP 1: Click on Configure in the menu bar. STEP 2: Click on DNS and default gateway at the bottom of the configuration page.

  • Page 43: Nat

    STEP 4: Submit the settings by clicking Apply. 6.6.3 NAT When NAT is enabled for a WAN interface, all private addresses are mapped to the IP address of the specified WAN interface. To enable or disable NAT on an ATM interface complete the following steps: STEP 1: Click on Configure in the menu bar.

  • Page 44: Vcc

    This screen lists all current VCC entries in the middle of the screen. From this screen you can also: List IPoA, Delete Encapsulation, Add a VCC, Delete a VCC, and Show VCC quality.

  • Page 45: List Ipoa

    6.7.1 List IPoA To list IP over ATM information click on the IPoA button at the bottom-left of the screen. The IPoA entry is set up from Advanced>Configure>VCC。 Click the Add button on the List of VCC screen.

  • Page 46: Delete Encapsulation

    6.7.2 Delete Encapsulation To delete encapsulation first select a VCC entry and then click the Delete Encap button. 6.7.3 Add a VCC To add a VCC entry, complete the following steps: STEP 1: Click on the Add VCC button, the VCC screen will appear. STEP 2: Enter values for the parameters (explained below).
  • Page 47 Ubr Unspecified Bit Best effort service that does not require tightly constrained delay and delay variation. UBR provides no specific quality Rate: of service or guaranteed throughput.

  • Page 48: Delete A Vcc

    6.7.4 Delete a VCC To delete a VCC entry, select the entry from the list of VCCs and then click on the delete button, at the bottom-right of the page. 6.7.5 Show VCC quality To view information regarding the VCC quality, click on the Show VCC Quality button, at the bottom-right of the page.

  • Page 49: Pppoa

    PPPoA This section will describe how to start, stop, delete, and set a default PPPoA entry. To configure a PPPoA entry in more detail, refer to Chapter 9 Add A VC. The PPPoA page can be accessed by clicking on Configure in the Advanced menu bar.

  • Page 50: Igmp

    6.10 IGMP IGMP (Internet Group Membership Protocol) is a protocol used by IP hosts to report their multicast group memberships to any immediately neighboring multicast routers. 6.10.1 Add an IGMP entry To add an IGMP proxy, complete the following steps: STEP 1: Select IGMP Proxy, from the menu bar.

  • Page 51: Delete An Igmp Entry

    6.10.2 Delete an IGMP entry To delete an entry, select an entry from the list, and click Delete. 6.11 Bridging 6.11.1 Bridge The Bridge window displays the configured Bridging PVC entries of the interfaces. There are four buttons at the bottom of the main-pane: Group Info, Add PVC, Flush, and Disable.
  • Page 52 GroupInfo: This configures the LAN packets that will travel through the LAN interface to the selected WAN interfaces. If you wish to change the interfaces that are configured you must first click on the Flush button (to remove the current ocnfiguration), and then click on the Group Info button, select the group interfaces and then click the Apply button.
  • Page 53 AddPVC: You can add a PVC to the ATM interface. From the Bridging screen, select an ATM interface Vpi, Vci and Encapsulation type and then click Apply. Flush: Selecting this command from the Bridging screen, will flush all PVC entries. Disable: Selecting this command from the Bridging screen, will disable the PVCs but retain the parameters, so that they can be enabled at a later point.

  • Page 54: Spanning Tree

    6.11.2 Spanning tree To access the spanning tree menu click the Spanning Tree tab, located at the top of the Bridging screen. 6.11.3 View STP parameters To view the STP parameters, click the STP parameters tab, located at the bottom of the Spanning Tree screen.

  • Page 55: To Configure Stp Parameters

    6.11.4 To configure STP parameters STEP 1: click the Spanning Tree tab, located at the top of the Bridging screen. STEP 2: Click the Configure Port button. STEP 3: Configure the parameters. STEP 4: Click the Apply button. 6.11.5 Enable/Disable STP If you wish to Enable/Disable a STP entry, select the entry and then click the Enable or Disable Button, which is located at the bottom-right of the Spanning Tree screen.

  • Page 56: Filtering

    6.12 Filtering Filtering is a type of firewall that is useful to increase network security or to limit unwanted traffic. Filters for this device are based on MAC addresses. The page opens with a list of the currently configured filter entries. From this page, you can also view Filter Parameters, add a filter, delete a filter, modify a filter, or flush filter parameters.

  • Page 57: Add A Filter Entry

    6.12.2 Add a filter entry To add a filtering entry, complete the following steps: STEP 1: Click the Add button at the bottom of the Filters page. STEP 2: Enter the MAC address STEP 3: Set the Frame to forward to forward packets which match the MAC address, or Drop, to drop matching packets.

  • Page 58: Modify A Filter Entry

    6.12.4 Modify a filter entry To modify a filter select the entry and then click the Modify button at the bottom of the Filters page. 6.12.5 Flush filter entries To flush all the filtering entries, click the Flush button at the bottom of the Filters page.

  • Page 59: Chapter 7 Performance Monitoring

    Chapter 7 Performance monitoring ADSL Link Status To view the ADSL link status, click Link Status on the tool bar. ADSL Line Status Shows the current status of the ADSL line ADSL Mode Shows the ADSL standard that is currently configured. The MULTI, T1.413, G.DMT, and G.LITE.

  • Page 60: System Statistics

    System statistics To view the system statistics, click on the System Statistics button located near the bottom of the menu-bar. Statistics are recorded regarding Interfaces, TCP-IP, and DHCP-Lease. 7.2.1 Interface Statistics To display the interface statistics, click the Interface tab, located at the top-left of the System Statistics screen.

  • Page 61: Tcp-Ip

    7.2.2 TCP-IP To view TCP-IP statistics click on the TCP-IP tab at the top of the System Statistics page. The TCP-IP page displays the IP statistics, UDP statistics, TCP statistics, and ICMP statistics.

  • Page 62: Dhcp-Lease

    7.2.3 DHCP-Lease To view TCP-IP statistics click on the DHCP-Lease tab at the top of the System Statistics page. The DHCP-Lease page shows the PCs that obtained an IP address from the DHCP pool. ATM statistics Click on ATM Statistics on the menu-bar to display the ATM Statistics. The ATM Statistics page monitors information for AAL5 and Encapsulation.

  • Page 63: Encapsulation

    7.3.2 Encapsulation Click on the SNDCP tab to display encapsulation statistics. This page displays the VCs that are running. (SNDCP stands for sub-network dependency convergency protocol).

  • Page 64: Chapter 8 Diagnostics

    Chapter 8 Diagnostics To access the Diagnostics screen, click the Diagnostics button, which is located on the menu bar. The Diagnostics screen has two test functions: OAM Loopback and Ping test. OAM Loopback STEP 1: click the Diagnostics button, on the menu bar. STEP 2: Click the Loopback tab on the Diagnostics screen.

  • Page 65: Ping

    Ping A Ping test is used to verify the status of a network connection after the RIP or static route function is enabled. Ping sends a request message to the host and waits for a return message. This diagnostic function can verify if the remote host is reachable.

  • Page 66: Chapter 9 Adding A Pvc

    Chapter 9 Adding a PVC STEP 1: Click Configure from the Advanced menu bar. STEP 2: Click the VCC tab.
  • Page 67 STEP 3: Click Add STEP 4: Configure the parameters on this page and click Apply to submit the settings. STEP 5: Save the settings and reboot the device.
  • Page 68 STEP 6: Click Bridging on the Advanced menu bar. STEP 7: Click the GroupInfo button. STEP 8: Specify the interfaces that data will be transmitted to the Internet from the LAN port (eth0). The item eth0 must be checked, and also check the ATM interface (s) that data can be forwarded from the LAN interface.
  • Page 69 STEP 10: Return to the previous page and click AddPVC. STEP 11: Type the VPI and VCI values that were established in Step 4, and select an Encapsulation type. Click Apply to submit the settings. STEP 12: Return to the previous page and select an bridging entry from the List of entries, and click Enable to enable the PVC.

  • Page 70: Appendix A: Specifications

    Appendix A: Specifications WAN interface (one ADSL port) Item Specifications ADSL standard G.DMT data rate Downstream: 8 Mbps Upstream: 1 Mbps ATM attributes Item Specifications PPP over AAL5 RFC2364 Multi-protocol over AAL5 RFC2684 (1483) AAL type AAL5 ATM service class UBR/CBR/VBR ATM UNI support UNI 3.1 PVC...
  • Page 71 Local interface (1 port Ethernet Switch) Item Specifications Standard IEEE 802.3 10/100BaseT Transparent bridging and learning Routing functions Item Specifications IP static route RIP and RIPv2 Network functions Item Specifications DNS, NAT/PAT, DHCP/BOOTP PAP, CHAP Power supply Item Specifications Power source 110 VAC or 220 VAC (50 or 60 Hz) Environmental conditions Item...

  • Page 72: Appendix B: Pin Assignments

    Appendix B: Pin Assignments Console Port (RS232 DB9) Pin number Definition Pin number Pin Assignments of the Console Port Line port (RJ11) Definition Definition ADSL_TIP ADSL_RING Pin Assignments of the RJ11 Port LAN Port (RJ45) Pin number Definition Pin number Definition Transmit data+ Transmit data-...

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