OfficeConnect Remote Sdsl Router User’s Guide
 3Com Corporation 5400 Bayfront Plaza Santa Clara, California
 About this Guide
 System Administration
 Configuring IP Routing
 Configuring Bridging
 Configuring Dhcp
 Upgrading Operational Software for the Officeconnect Remote
 Configuring Filters
 Troubleshooting
 Bridging and Routing
 Using the CLI Guide
 Technical Support
Page
 About this Guide
Introduction
 Guide
Conventions
 Text Convention
 About this Guide
 3Com Year 2000 web
Year
Compliance
 About this Guide
 Overview
Introduction
 Remote 840?
What Is
OfficeConnect
 What is an Sdsl
What is ATM?
What is Frame
Modem?
 4CHAPTER 1 Overview
 What is a Remote Site?
 3Connection with Three Virtual Circuits VCs
 What is RFC 1490?
 Smart Mode?
What is Dhcp
NAT and PAT can be configured for each remote site
 What Is Default
Bridge Mode?
Getting Started
Quickly
 OfficeConnect Remote
Features
Remote 840 Panel
 5OfficeConnect Remote 840 Back Panel
 DIP Switch Modes
 Configuration
Local Site LAN, Remote Site WAN, and Global configuration.
Following shows the areas of configuration for each
Overview
 Test the network accessibility
Check the routing tables on configured protocols
Remote
Ping a remote site
 Manager Menus
Starting
Manager
 Using OfficeConnect Remote Manager
Header Quick Link Area Main Area
 Where to Find More Configuration Information
 18CHAPTER 1 Overview
 System Administration
Performing System Administration Tasks
 Select the login name to be deleted Click Delete
Adding a Login
Deleting a Login
 Restoring Factory
Defaults
Administrator System screen
 Using
Manager to Restore
Access
Updating
 Controlling Snmp Access
 6CHAPTER 2 System Administration
 Assigning Snmp
Trap Managers
Send an unsolicited message to a Snmp manager
Instructions
 8CHAPTER 2 System Administration
 Remote Site Management
Remote Site
Divided into the following parts
Connection and communication to the remote site
 Adding a Remote Site Profile
Managing a
Remote Site Profile
 Modifying a Remote Site Profile
Deleting a Remote Site Profile
 Configuring Network Service Information PPP / RFC 1483 / RFC
This will access the Remote Sites General Modify Screen
 Select Network Service to either PPP over Frame Relay or RFC
Frame Relay
 Configuring ATM
Check the Enable Remote Site box
Information
ATM Modify Screen
 Configuring ATM Information
 Configuring
Protocol Parameters
Monitoring Remote
Site Connections
 Configuring IP Routing
Overview
 Access the IP Screen through Configuration Global IP IP
 Select Configuration Local Site LAN IP
 Network
 Configuring IP RIP
On the LAN
Necessary
Advanced RIP
 Resetting Parameters
 Configuring IP for
Configuring IP
Connection
Parameters for
 Local WAN IP Address
Network Information
Complete the following entries
 Remote WAN IP Address
 On a Remote Site
Sites IP
 Configuring IP
Site Select Configuration Remote Sites WAN
Static and Framed
Routes
 IP Route
 Using IP Address Validation
 Monitoring
 Ping timeout waiting for reply from IP Address
Ping Responses IPAddress is alive
Ping no route to host
Ping host unreachable
 An example script of a successful ping is
 IP Testing Ping
 18CHAPTER 4 Configuring IP Routing
 Configuring Bridging
 To set up bridging on the OfficeConnect Remote 840, you must
For more information on bridging, see Appendix A, Bridging
 Select Configuration Local Site LAN Bridge
Bridging for
Monitor Networks Network Status table
Adding a Bridge
 Profile, and then you modify the profile to enable bridging
Connections
To that remote site
Monitor Network Network Status table
 Bridging IP Traffic
 6CHAPTER 5 Configuring Bridging
 Check the Enable MAC Encapsulated Routing box to enable MAC
OfficeConnect Remote 840 can be configured for simultaneous
Bridge Firewall
Encapsulated Routing for this remote site
 Forward Broadcast/Unicast Packets All
Discard Routed Protocols Discard
Forward Unicast Packets Only Unicast
 Advanced Bridging Options
 Default Bridge Mode
 Testing Bridging
Monitoring Bridging
Viewing Bridge
From the addresses
 12CHAPTER 5 Configuring Bridging
 Network Address Translation Using the Officeconnect Remote
Selecting Address Translation
Page
 Configuring Static
Data Protocol UDP button to access the static port tables
PAT Port Entries
Press the Modify button to set the address
Page
 Each entry will have the same public address
Port number, and the value of the inactivity timer
Networks NAT/PAT Port Assignments screen. Only those
Page
 Configuring Dhcp
Dhcp Overview
Responds with
An IP address for the workstation
 2CHAPTER 7 Configuring Dhcp
 Dhcp Server
 Dhcp Smart Mode
Access the Monitor Networks Dhcp Dhcp leases screen
Dhcp Relay
Monitoring Dhcp
 Dhcp
 6CHAPTER 7 Configuring Dhcp
 Configuring DNS
DNS Overview
 Two servers may be specified per domain name
Remote DNS
Servers
 Click Add
 DNS Host Entries
 Configuring IPX Routing
IPX packet based on the destination IPX network number
 Adding a Local IPX To add a Local IPX network
 Information, such as IPX addresses and IPX routing
Configuring IPX for
Remote Sites
 Configure Remote Site IPX Network Information
 Configuring IPX
Check the Enable IPX checkbox
Both
Established
 Select the remote site to modify, and click Modify
Click Framed Routes
 Services
Services include file servers and printers
Real-time via SAP packet exchange between routers
Associated remote site is active
 Adding a Static IPX To add a static IPX Service to a LAN
Select Configuration Global IPX IPX Services
 Click Framed Services
 Select Configuration Local Site IPX
 RIP and SAP
Modify screen
 IPX Testing
Monitoring IPX
 IPX Testing
 14CHAPTER 9 Configuring IPX Routing
 Software
Obtaining Updated
Upgrading Operational Software for Officeconnect Remote
 Installing
Operational
Software to
Remote 840 Unit
Page
 Execute the batch file with the following command dl 115 ms
Wait for the download to complete
 Monitoring Officeconnect Remote
IPX
 11-2CHAPTER 11 Monitoring the Officeconnect Remote
 Ethernet Interface
Throughput Graphs
 11-4CHAPTER 11 Monitoring the Officeconnect Remote
 Interface Status
 Information in the Monitor Sdsl Transceiver Status screen
 Remote Site Connection
ATM Site Counters
 Frame Relay VC Site Counters
Sites Remote Site Status
Page
 Dhcp
 Address Translation
 11-12CHAPTER 11 Monitoring the Officeconnect Remote
 IPX
 Bridge
 Events Logs
Connection to the WAN or whenever a critical event happens
 11-16CHAPTER 11 Monitoring the Officeconnect Remote
 Configuring Filters
Filtering Overview
 Filtering
Capabilities
 2Advertisement Filters
 Creating Filters Overview
Creating Filters
Traffic
Bridge filter in this example
 Creating Filters Using the OfficeConnect Remote 840 Manager
 12-6CHAPTER 12 Configuring Filters
 Filter Screens Filter Index
Filter Status
Filter Create/Modify
Filter Summary
 Condition Screens
3Basic IP Condition
 5Basic IPX Condition
 Delete Filter/Add Condition screen
 Delete Filter /Add Condition
Filter Delete/Modify
 12-12CHAPTER 12 Configuring Filters
 Go to Configuration Global Filters
Filter Using
Disable the filter by unchecking the Enable Filter checkbox
Direction/location
 12-14CHAPTER 12 Configuring Filters
 Troubleshooting
Bridge Connection Problems
 Configuration problems are covered
Guide for more information
 LAN Connection Problems
IP Wizard and Web Browser Problems
 Specified address, configure
 IP Wizard and Web Browser Problems
 WAN Connection Problems
 General Network Connection Problems
Symptom Possible Cause Correction Action
 Error test Remote network ATM cells are being
 IP Network Connection Problems
Save the current configuration and reboot
 Symptom Possible Cause
 My video application
 IPX Network Connection Problems
IPX is not enabled over both the LAN and the WAN
 Bridge Connection Problems
Bridging is not enabled over both the LAN and the WAN
 13-14CHAPTER 13 Troubleshooting
 Bridging and Routing
Routing Concepts
Decide
Terrestrial and satellite links
 2APPENDIX a Bridging and Routing
 How Bridges Learn A-3
 4APPENDIX a Bridging and Routing
 How Bridges Learn A-5
 Network
Organization
Structure,
Physical Layout
 Network Organization, Structure, and Physical Layout A-7
 8APPENDIX a Bridging and Routing
 RIP. RIP is also known as a distance vector protocol
IP Routing
Information the router uses to make these assessments is
 10APPENDIX a Bridging and Routing
 Administrators that are new to the IP protocol
IP Addressing
Introduction to IP
Addressing
 Subnets of Class C networks
Mask Binary Subnets Hosts/Subnet
 IP Addressing Basics
 Remote
 Add ip network houston address 192.75.202.99/23
 6APPENDIX B IP Addressing
 176 248
Table B-2IP Addresses
 Figure B-1Numbered WAN Interfaces
 IP Addressing Basics
 10APPENDIX B IP Addressing
 Address Translation Tutorial
Becoming more scarce
 2APPENDIX C Address Translation Tutorial
 Figure C-1 NAT Example
 Port Address
Translation PAT
Static NAT
PAT Example
 Figure C-2 PAT Example
 6APPENDIX C Address Translation Tutorial
 Using the CLI Guide
Accessing the CLI
Documentation
From
 2APPENDIX D Using the CLI Guide
 Instructions for
Configuration NON -SETUP
Internet Access
 Set Network Service to PPP over Frame Relay or RFC
 Instructions for Internet Access
 Only
 Instructions for Internet Access
Page
 Planning Form from of the Installation Guide by entering
Information from your remote site network administrator
Telecommuting
Remote Office
 Enter the Dlci
 Instructions for Telecommuting / Remote Office Access E-9
 Remote Site IP Otherwise, press Next
 Instructions for Telecommuting / Remote Office Access E-11
 Remote site configuration
Then press the Save Configuration button
 Configuration Audit
Audit
Local IPX Network These steps
Follow these steps
 Testing
Saving
 Online Technical
Support from Your
Network Supplier
World Wide Web Site
 Country Telephone Number Fax Number
 Numbers
 Configuring ATM information
 Default Bridge Mode
 Critical Event Log 11
 Filtering Advertisement filters
 Networks
 Monitoring the OfficeConnect Remote
 Defined
 Snmp
 Storms a Structure
 WAN
Page
 3Com Corporation Limited Warranty
 Warranties Exclusive
 FCC Class B Statement