0 debuts the support of the Enhanced Interior Gateway Routing
Protocol (EIGRP). EIGRP is a Cisco proprietary routing protocol and is available on Cisco devices only. EIGRP on
Security Appliance is supported in single mode only; it is not supported in multicontext mode.
Note
Firewall OS supports only one EIGRP routing process on the Security Appliance.
The Security Appliance can be configured as an EIGRP stub router, which helps enhance the performance by
decreasing memory and processing requirements on the Security Appliance. A firewall configured as an EIGRP
stub does not require maintaining a complete EIGRP routing table, because it forwards all nonlocal traffic to a
distribution router. The distribution router sends a default route to the stub router/firewall. In some occasions,
only specific routes are advertised from the stub router to the distribution router. When the Security Appliance
is configured as a stub router, it sends a peer information packet to all neighboring routers to report its status
as a stub router. Neighbors receiving this packet will not query the stub for routes. The stub depends on the
distribution router to send the proper updates to all peers.
Configuring EIGRP Stub Routing
The Security Appliance can be enabled as an EIGRP stub router through the following steps:
Step 1.
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