Cisco 1003 - 1003 Router Manual de usuario descargar pdf (Pagina 18)

11-18 Internetwork Design Guide

Dial-on-Demand Routing

For information about optimizing AppleTalk connections over ISDN, see the sections “Tariff

Management” and “Performance,” later in this chapter.

Conﬁguring IPX DDR over ISDN

In Figure 11-6, Router A connects to Router B and Router B connects to Router A over ISDN using

IPX DDR.

Figure 11-6 Sample IPX over ISDN Topology

IPX Addressing

Use the ipx network interface conﬁguration command to assign the same IPX network address to

each ISDN interface. You can use the ipx route command to create static IPX routes. Creating static

IPX routes is not necessary if a dynamic routing protocol, such as RIP/SAP or NLSP), is in use.

IPX Routing

The ipx routing global conﬁguration command enables IPX routing on the router. The default IPX

routing protocol is RIP/Service Advertisement Protocol (SAP). Routers running Cisco IOS Software

Release 10.3 or later can conﬁgure NetWare Link Services Protocol (NLSP) instead of RIP/SAP.

Although NLSP has its advantages, it might be preferable to run RIP/SAP over ISDN, because

snapshot routing can control RIP/SAP updates and help to keep the ISDN link down. Snapshot

routing does not support NLSP.

Router A Router B

IPX network number: AB449EB8

IPX network number: C0962AB0

IPX routing: 0000.0c00.9F80 IPX routing: 0000.0c0c.227c

IPX network number: AB449EA8

IPX network number: AB449EB8

NetWare 4.1

Darkstar

IPX internal network number: 2F6DD0C0C2

E0 E0

ISDN

S4443

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Cisco 1003 - 1003 Router Manual de usuario Pagina 18