Securing EIGRP 209
EIGRP supports avenue affidavit by application MD5 affidavit for all acquisition updates. The MD5
authentication prevents the addition of crooked or apocryphal acquisition letters from crooked sources.
Note
EIGRP avenue affidavit is configured on a per-interface basis. All neighbors charge be configured with
the aforementioned affidavit approach and key for EIGRP adjacencies to be established.
EIGRP affidavit can be enabled on the concrete interface as follows:
Step 1. Enter the concrete interface agreement approach for which EIGRP affidavit needs to be
configured:
firewall(config)# interface phy_if
Step 2. Enable per-interface MD5 affidavit as follows:
firewall(config-if)# affidavit approach eigrp as-num md5
Step 3. Configure the defended key acclimated by the MD5 algorithm. The key altercation can accommodate up to 16
characters. The key-id altercation is a numeric cardinal from 0 to 255:
firewall(config-if)# affidavit key eigrp as-num key key-id key-id