Command:

debug eigrp


Mode:

Router#

Syntax:

debug ip eigrp {fsm | neighbors | packet}

no debug eigrp {fsm | neighbors [static] | packet}

Syntax Description:

fsm Displays debugging information about EIGRP feasible successormetrics (FSM).
neighbors Display neighbors discovered by EIGRP. 
packet Displays general debugging information, including packets transmitted and received.


Command Description:


The debug eigrp commands can be used to troubleshoot or monitor live EIGRP processes.


Example:

Router#debug eigrp fsm
DUAL:
dual_rcvupdate(): 172.25.166.0 255.255.255.0 via 0.0.0.0 metric 750080/0
DUAL: Find FS for dest 172.25.166.0 255.255.255.0. FD is 4294967295, RD is 42949
67295 found
DUAL: RT installed 172.25.166.0 255.255.255.0 via 0.0.0.0
DUAL:
dual_rcvupdate(): 192.168.4.0 255.255.255.0 via 0.0.0.0 metric 4294967295/
4294967295
DUAL: Find FS for dest 192.168.4.0 255.255.255.0. FD is 2249216, RD is 2249216
DUAL:   0.0.0.0 metric 4294967295/4294967295not found Dmin is 4294967295
DUAL: Dest 192.168.4.0 255.255.255.0 not entering active state.
DUAL: Removing dest 192.168.4.0 255.255.255.0, nexthop 0.0.0.0
DUAL: No routes. Flushing dest 192.168.4.0 255.255.255.0
  

Misconceptions:

None

Related Commands:
debug all

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