The EIGRP MIB provides limited notification (TRAP) support for stuck-in-active (SIA) and neighbor authentication failure events. The snmp-server enable traps eigrp command is used to enable EIGRP notifications on a Cisco router. Support for TRAP events is not activated until a trap destination is configured with the snmp-server hostcommand and a community string is defined with the snmp-server community command. EIGRP notifications are described in Table 6.
Table 6 EIGRP Notifications
EIGRP Traps (Notifications)
When EIGRP MD5 authentication is enabled on any interface and neighbor adjacencies are formed, a notification is sent if any adjacency goes down as a result of an authentication failure. This notification will be sent once per down event. This notification includes the source IP address of the neighbor from which the authentication failure occurred.
During the query phase for a new route to a destination network, the route is placed in the active state (an alternate path is actively being sought) and a query packet is broadcast to the network. If no replies are received to the query, an SIA query packets are broadcast. If a reply is not received for the SIA queries, the neighbor adjacency is dropped, the route is declared SIA, and this notification is sent.
However, your router would have generated the pertinent syslog messages:
I just used this thread to set up my syslog messages reporting EIGRP neighbor state changes to my network monitoring server. THANKS for the help. If I could I would mark this one as 'Answered - Excellently'. thanks for your help, the EIGRP MIB, doesn't do much for me. Now my 4 WAN connected sites are being monitored properly.
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