3Com 980-000077/002 manual Bridging and IP, Configuration Options

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BRIDGING AND IP

This chapter shows how to configure units to operate as bridges, using the Internet Protocol (IP) data packets between two networks for management and control only.

Configuration steps are given for:

■Manual configuration of the central site unit.

■Quick Configuration of the remote unit.

■Remote configuration of the remote unit from the central site.

Bridging and IP

It is essential to remember that a bridged network using IP for management only, even if it consists of several segments, always has the same IP network address for each segment. If any segment of the network has a different IP network address, then data must be routed to and from that network segment.

Configuration Options

When configuring a unit to bridge IP packets using a dial-up ISDN link between a central site and one or more remote sites, it is recommended that the central site should be configured manually first.

The central site unit cannot be automatically configured using the Quick Configuration facility of the unit because this facility requires a ready-configured unit to act as a reference point.

The Quick Configuration facility should only be used at a remote site.

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Contents Getting Connected Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Index Finding Specific Information in this Guide About this GuideList conventions that are used throughout this guide ConventionsIntroduction Management System CommandsRequirements Unit Naming ConventionOne-to-one Configuration Configuration by TelephoneLeased Lines Configuration Options Bridging and IPBridging and IP Outline of Configuration Procedure Do you wish to keep IP Addresses and Isdn parameters Configure the Isdn Network Type Configure the Ethernet PortConfigure the Isdn Numbers Table Assign the Unit NameConfigure the Isdn IP Autocall Table Configuring a Remote Unit for Bridging and IPConfiguring a Unit using the Quick Configuration Utility Assign the Unit Name, IP Address and Subnet MaskConnect to an IP Network Test the Isdn Numbers and IP Autocall Tables Prior to Despatch Configuring a Remote Unit from the Central SiteConfiguring the Central Site Unit Configure the Isdn Numbers Table on the Central Site UnitConfigure the Isdn Autocall Table on the Central Site Unit Establish a Remote Management Session Configuring the Remote Site UnitConfigure the Ethernet Port Configure the Isdn Autocall Table Cancel the Manual CallClose the Remote Management Session Cancelling Isdn Calls 14CHAPTER 2 Bridging and IP Routing IP Routing IP2CHAPTER 3 Routing IP Manual Configuration of a Central Site Unit for Routing IP 4CHAPTER 3 Routing IP Unnumbered links make the best use of available IP addresses Configuring a Remote Unit to Route IP Configure IP Routing-Static Route EntriesEnable IP Routing Configuring a Remote Unit to Route IP Test the IP Autocall and Isdn Numbers Tables Test the Isdn LineLondon Disable Routing on the Central Site Unit Configure the Isdn Numbers Table on the Central Site Unit 12CHAPTER 3 Routing IP Configuring the Remote Unit 14CHAPTER 3 Routing IP Enable Routing on the Remote Unit Configure IP Routing-Static Return Route EntrySave the Remote Unit Configuration Enable Routing on the Central Site UnitCancelling Calls 18CHAPTER 3 Routing IP Novell IPX Bridging Novell IPX and Bridging2CHAPTER 4 Novell IPX and Bridging Do you wish to keep IP Addresses and Isdn parameters 4CHAPTER 4 Novell IPX and Bridging Configuring a Remote Unit for Bridging and IPX Connect to a Novell Network Test the IPX Autocall Table 8CHAPTER 4 Novell IPX and Bridging Configure the Isdn Numbers Table on the Central Site Unit 10CHAPTER 4 Novell IPX and Bridging Build the IPX Autocall Table Enable NRIP/SAP LearningNearest Server Disable NRIP/SAP LearningClose the Remote Management Session 14CHAPTER 4 Novell IPX and Bridging Novell IPX Routing Novell IPX RoutingConfiguring a Central Site Unit for Routing IPX Configuring a Central Site Unit for Routing IPX 4CHAPTER 5 Novell IPX Routing Enable Novell RIP/SAP Learning Enable IPX RoutingConfiguring a Remote Unit to Route IPX Configuring a Remote Unit to Route IPX Specific Server for Get Nearest Server Responses Manual CallNo Specific Server for GNS Responses 10CHAPTER 5 Novell IPX Routing Configure the Isdn Numbers Table on the Central Site Unit 12CHAPTER 5 Novell IPX Routing Configure the Isdn Numbers Table Submitting the new setting turns IPX routing on Enter REM to display the Remote Units screen 16CHAPTER 5 Novell IPX Routing PPP Configuration for IP 6 Connections Configuring a PPP Connection Internet 4CHAPTER 6 PPP Configuration for IP Connections Index Index 10,3-12 Index