Cisco ASA Series Cli Configuration Manual page 684

Configuring EIGRP
Enabling EIGRP
You can only enable one EIGRP routing process on the ASA.
To enable EIGRP, perform the following steps:
Detailed Steps
Command
Step 1
router eigrp as-num
Example:
hostname(config)# router eigrp 2
Step 2
network ip-addr [mask]
Example:
hostname(config)# router eigrp 2
hostname(config-router)# network 10.0.0.0
255.0.0.0
Enabling EIGRP Stub Routing
You can enable, and configure the ASA as an EIGRP stub router. Stub routing decreases memory and
processing requirements on the ASA. As a stub router, the ASA does not need to maintain a complete
EIGRP routing table because it forwards all nonlocal traffic to a distribution router. Generally, the
distribution router need not send anything more than a default route to the stub router.
Only specified routes are propagated from the stub router to the distribution router. As a stub router, the
ASA responds to all queries for summaries, connected routes, redistributed static routes, external routes,
and internal routes with the message "inaccessible." When the ASA is configured as a stub, it sends a
special peer information packet to all neighboring routers to report its status as a stub router. Any
neighbor that receives a packet informing it of the stub status will not query the stub router for any
routes, and a router that has a stub peer will not query that peer. The stub router depends on the
distribution router to send the correct updates to all peers.
Cisco ASA Series CLI Configuration Guide
1-4
Purpose
Creates an EIGRP routing process and enters router configuration
mode for this EIGRP process.
The as-num argument is the autonomous system number of the
EIGRP routing process.
Configures the interfaces and networks that participate in EIGRP
routing. You can configure one or more network statements with
this command.
Directly connected and static networks that fall within the defined
network are advertised by the ASA. Additionally, only interfaces
with an IP address that fall within the defined network participate
in the EIGRP routing process.
If you have an interface that you do not want to have participate
in EIGRP routing, but that is attached to a network that you want
advertised, see the "Configuring Interfaces for EIGRP" section on
page 1-7.
Chapter 1 Configuring EIGRP