Configuration Example: EIGRP

Figure 10-1 shows the network topology for the configuration that follows, which shows how to configure EIGRP using the commands covered in this chapter.

Figure 10-1. Network Topology for EIGRP Configuration

Note:

The host name, password, and interfaces have all been configured as per the configuration example in Chapter 6, "Configuring a Single Cisco Router."

Boston Router

Boston>en
Boston#config t
Boston(config)#router eigrp 100	Enables EIGRP routing
Boston(config-router)#no auto-summary	Disables auto summarization
Boston(config-router)#eigrp log-neighbor-changes	Changes with neighbors will be displayed
Boston(config-router)#network 172.16.0.0	Advertises directly connected networks (classful address only)
Boston(config-router)#exit
Boston(config)#exit
Boston#copy run start

Buffalo Router

Buffalo>en
Buffalo#config t
Buffalo(config)#router eigrp 100	Enables EIGRP routing
Buffalo(config-router)#no auto-summary	Disables auto summarization
Buffalo(config-router)#eigrp log-neighbor-changes	Changes with neighbors will be displayed
Buffalo(config-router)#network 172.16.0.0	Advertises directly connected networks (classful address only)
Buffalo(config-router)#	Exits back to privileged mode
Buffalo#copy run start

Bangor Router

Bangor>en
Bangor#config t
Bangor(config)#router eigrp 100	Enables EIGRP routing
Bangor(config-router)#no auto-summary	Disables auto summarization
Bangor(config-router)#eigrp log-neighbor-changes	Changes with neighbors will be displayed
Bangor(config-router)#network 172.16.0.0	Advertises directly connected networks (classful address only)
Bangor(config-router)#	Exits back to privileged mode
Bangor#copy run start