Static Routing and Distance Vector Routing Protocols - CCIE Routing and Switching Exam Certification Guide - page 340

Example Network Figure 7-5

Router9 Router10

172.16.4.0/24

.1

.1

.2

.1

172.16.2.0/24

172.16.1.0/24

.2

.1

Router8

172.16.3.0/24

Example 7-18 shows the configuration for Router8. IGRP 100 is enabled with the router igrp
100 command. The network 172.16.0.0 specifies that all interfaces on this router with an IP
address within 172.16.0.0 are part of the IGRP process.

Example 7-18 IGRP Configuration for Router8

hostname Router8
!
interface Ethernet0
ip address 172.16.1.2 255.255.255.0
!
interface TokenRing0
ip address 172.16.3.1 255.255.255.0
ring-speed 16
!
router igrp 100
network 172.16.0.0

Example 7-19 shows the configuration for Router9. IGRP 100 is enabled with the router igrp
100 command. The network 172.16.0.0 specifies that all interfaces on this router with an IP
address within 172.16.0.0 are part of the IGRP process.

Example 7-19 IGRP Configuration for Router9

hostname Router9
!
interface Ethernet0
ip address 172.16.1.1 255.255.255.0
!
interface Serial0
ip address 172.16.4.1 255.255.255.0
!
router igrp 100
network 172.16.0.0