Comtrend Corporation CT-510 User manual

CT-510
ADSL Router
User Manual
Version A3.0, June 3, 2003
261028-002

i
Preface
This manual is designed to provide information to network administrators. It
covers the installation, operation and applications of the CT-510 ADSL router.
The reader is presumed to have a basic understanding of telecommunications.
For product updates, new product releases, manual revisions, software
upgrades, and technical support visit Comtrend Corporation at
http:\\www.comtrend.com.tw
Copyright
Copyright© 2000 Comtrend Corporation. All rights reserved. The information
and messages contained herein are proprietary to Comtrend Corporation. No
part of this guide may be translated, transcribed, reproduced, in any form, or
by any means without prior written permission by Comtrend Corporation.

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Table of Content
CHAPTER 1 INTRODUCTION .........................................................6
1.1 Overview............................................................................ 6
1.2 Features ............................................................................ 7
1.3 Application ......................................................................... 8
CHAPTER 2 HARDWARE INSTALLATION .......................................9
2.1 Front Panel LED Indicators .................................................... 9
2.1.1 Rear Panel Connectors ....................................................... 10
2.2 Preparing Installation......................................................... 11
2.3 Installation ....................................................................... 13
CHAPTER 3 MANAGEMENT ..........................................................14
3.1 Getting Started ................................................................. 14
3.2 How to access CT-510 ........................................................ 15
3.2.1 Console............................................................................ 15
3.2.2 Telnet.............................................................................. 16
3.2.3 Web ................................................................................ 18
3.3 General Configuration Steps in Console/Telnet ....................... 19
3.3.1 Configuration Steps ........................................................... 19
3.3.2 Menu Layout..................................................................... 21
3.3.3 Keyboard Operations ......................................................... 22
CHAPTER 4 INITIAL CONFIGURATION (CONSOLE/TELNET) ........23
4.1 Initial Setup ..................................................................... 23
4.1.1 Bridge and Router Mode ..................................................... 23
4.1.2 CO Chipset ....................................................................... 23
4.1.3 ADSL Physical Mode........................................................... 24
4.1.4 Console Password Check .................................................... 24

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4.1.5 Console Session Timeout .................................................... 24
4.1.6 Login Name & Passwords.................................................... 24
4.2 Quick Configuration ........................................................... 25
4.2.1 LAN Interface ................................................................... 25
4.2.2 ATM Interface ................................................................... 26
4.2.3 ATM VC Parameters ........................................................... 27
4.2.4 ISP.................................................................................. 28
4.2.5 ADSL Retrain .................................................................... 29
4.3 Basic Configuration............................................................ 29
4.4 ADSL Characteristics Parameters ......................................... 30
CHAPTER 5 BRIDGING................................................................31
5.1 Overview.......................................................................... 31
5.2 Static Bridging Configuration............................................... 31
5.2.1 Add A Static MAC Entry ...................................................... 31
5.2.2 Delete a Static MAC Address ............................................... 32
5.2.3 List Static Bridging Parameters............................................ 32
5.3 Spanning Tree Protocol....................................................... 32
5.4 Forwarding Table ............................................................... 32
CHAPTER 6 IP ROUTING.............................................................33
6.1 RIP Configuration .............................................................. 33
6.2 Static Route Configuration .................................................. 34
6.2.1 Add a Static Route............................................................. 34
6.2.2 Delete a Static Route ......................................................... 34
6.2.3 List Static Routes .............................................................. 34
6.3 Routing Table.................................................................... 34
6.4 Ping Test Utility ................................................................. 35
CHAPTER 7 NETWORK & PORT ADDRESS TRANSLATION.............................36
7.1 Overview.......................................................................... 36

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7.2 Enable PAT/NAT................................................................. 36
7.3 PAT Virtual Server ............................................................. 37
7.3.1 Add Virtual Server Entry..................................................... 37
7.3.2 Delete Virtual Server.......................................................... 38
7.3.3 List Virtual Server Entry ..................................................... 38
7.4 Configure NAT/PAT IP Pools................................................. 38
7.4.1 Private IP Address ............................................................. 39
7.4.2 Global IP Address .............................................................. 39
7.4.3 Private/Global IP Pool Mapping ............................................ 39
Add a Pool Translation ........................................................ 39
Delete a NAT/PAT Pool Translation........................................ 40
List NAT/PAT Pool Translation .............................................. 40
7.4.4 Fixed NAT IP Mapping ........................................................ 40
Add a Fixed IP Address Mapping .......................................... 40
Delete a Fixed IP Address Mapping....................................... 40
List Fixed IP Mappings........................................................ 40
CHAPTER 8 DNS PROXY..............................................................41
8.1 Overview.......................................................................... 41
8.2 Configure DNS Proxy ......................................................... 41
CHAPTER 9 DHCP .......................................................................42
9.1 Overview.......................................................................... 42
9.2 Configure DHCP ................................................................ 42
CHAPTER 10 SNMP .......................................................................43
10.1 Community....................................................................... 43
10.2 Trap ................................................................................ 43
10.2.1 Add a Trap Destination Entry .............................................. 43
10.2.2 Delete a Trap Destination Entry ........................................... 44
10.2.3 List Trap Destination Entries ............................................... 44
10.3 ILMI ................................................................................ 44
CHAPTER 11 MAINTENANCE .........................................................45

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11.1 Load Factory Default Values ................................................ 45
11.2 Write System Configurations ............................................... 45
11.3 Reboot System.................................................................. 46
11.4 Software Upgrade.............................................................. 46
11.5 Configuration Backup and Restoration .................................. 47
11.5.1 Configuration Backup ......................................................... 47
11.5.2 Configuration Restoration ................................................... 47
11.6 ADI Firmware Upgrade ....................................................... 48
11.7 Homepage Upgrade ........................................................... 48
11.8 Performance Monitoring...................................................... 49
11.8.1 ADSL Status Monitor .......................................................... 49
11.8.2 ATM Interface Monitor........................................................ 50
11.8.3 ADSL Performance Statistics ............................................... 50
11.8.4 Interface Performance Monitor ............................................ 51
CHAPTER 12 WEB CONFIGURATION .............................................52
12.1 Logging on to the Web ....................................................... 52
12.2 Operation......................................................................... 54
12.2.1 Quick Setup...................................................................... 55
12.2.2 Basic Configuration............................................................ 56
12.2.3 Advance Configuration ....................................................... 56
12.2.4 Utilities ............................................................................ 58
12.2.5 Monitor ............................................................................ 58
12.2.6 Incorrect Setting ............................................................... 58
APPENDIX..........................................................................................59
Index of Console/Telnet ...................................................................... 59
Specifications .................................................................................... 66
Trouble Shooting ............................................................................... 68

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Chapter 1 Introduction
This manual provides information about the features, installation, and operation
of CT-510 ADSL router. The following topics are covered.
 Chapter 1-2: the features and physical installation of the device.
 Chapter 3-10: operation and configuration via console and Telnet.
 Chapter 11: maintenance via console and Telnet.
 Chapter 12: operation & configuration via Web.
1.1 Overview
The CT-510 ADSL router uses the ADI chipset to satisfy the needs of multiple
users for small office/home office and remote office/branch office applications.
The router has an integrated 4-port 10-BaseT, half-duplex Ethernet hub. It can
access the Internet, Corporate LAN or Video on demand over one ordinary
telephone line at speeds 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.

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1.2 Features
 Compact and high performance standalone unit
 Bridge/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 10BaseT Ethernet hub, half-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/RIP v2 routing function
 Dynamic IP assignment and Network Address Translation
 POTS splitter and micro filter available

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1.3 Application
The following diagrams a possible application of CT-510. It can be used for
G.lite and G.DMT applications.
Figure 1-1 Application of CT-510
ANSI T1.413
ADSL
ADSL (G.lite)
POTS splitter shel
f
A
TM
PSTN
Micro filter
POTS splitter
CT-510
CT-510

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Chapter 2 Hardware Installation
2.1 Front Panel LED Indicators
There are 12 LED indicators on the front panel (Fig.2-1). The description of
each LED is given in the table below.
DATA
TX LINKHIGH
MID
LOW ALERTCOL4X2X1X 3X POWER
HUBCT-510
LED Color Mode Function
On 12VAC power input is supplied to this unit
POWER Green Off Power is not connected
Off Normal status
On An alarm has been detected
ALERT Red
Flash Software downloading or self-testing
On Collision occurs over Ethernet
COL Yellow
Off No collision is detected
On The physical connection between Ethernet port (1x,
2x, 3x, or 4x) and LAN device is established
Off Ethernet connection is not made
1X~ 4X Green
Flash Receive data
On The physical ADSL link between RJ11 and telephone
line is established
Flash ADSL link is training
LINK Green
Off ADSL link not established
HIGH Red On
The ratio of downstream data traffic to downstream
ADSL link bandwidth is larger than 50% and less
than 75%.
MID Yellow On
The utilization ratio is larger than 25% and less than
50%.
LOW Green On
The utilization ratio is larger than 0% and less than
25%.
On Transmit data over ADSL link
DATA TX Green Off No data is transmitted over ADSL link