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Configuring IP Unicast Routing
Configuring EIGRP
DETAILED STEPS
Use the no forms of these commands to disable the feature or return the setting to the default value.
EXAMPLE
The following example configures EIGRP autonomous system 1 and establishes neighbors through networks 172.16.0.0
and 192.168.0.0:
Switch(config)# router eigrp 1
Switch(config-router)# network 172.16.0.0
Switch(config-router)# network 192.168.0.0
Configuring EIGRP Interfaces
Other optional EIGRP parameters can be configured on an interface basis.
Command Purpose
1. configure terminal Enter global configuration mode.
2. router eigrp autonomous-system Enable an EIGRP routing process, and enter router
configuration mode. The AS number identifies the routes
to other EIGRP routers and is used to tag routing
information.
3. network network-number Associate networks with an EIGRP routing process. EIGRP
sends updates to the interfaces in the specified networks.
4. eigrp log-neighbor-changes (Optional) Enable logging of EIGRP neighbor changes to
monitor routing system stability.
5. metric weights tos k1 k2 k3 k4 k5 (Optional) Adjust the EIGRP metric. Although the defaults
have been carefully set to provide excellent operation in
most networks, you can adjust them.
Caution: Setting metrics is complex and is not
recommended without guidance from an experienced
network designer.
6. offset list [access-list number | name] {in
| out} offset [type number]
(Optional) Apply an offset list to routing metrics to
increase incoming and outgoing metrics to routes learned
through EIGRP. You can limit the offset list with an access
list or an interface.
7. no auto-summary (Optional) Disable automatic summarization of subnet
routes into network-level routes.
8. ip summary-address eigrp
autonomous-system-number address
mask
(Optional) Configure a summary aggregate.
9. end Return to privileged EXEC mode.
10. show ip protocols Verify your entries.
For NSF awareness, the output shows:
*** IP Routing is NSF aware ***
EIGRP NSF enabled
11. copy running-config startup-config (Optional) Save your entries in the configuration file.
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