Debug IP EIGRP Command on CISCO Router/Switch

Command

Debug IP EIGRP

Use

Shows all EIGRP routing messages.

Syntax

Router#debug ip eigrp

Example

In this example, debug ip eigrp is used to display all eigrp routing messages on R2.

R2(config-router)#do debug ip eigrp

Here are some of the debug messages shown after issuing the command.

R2(config-router)#
*Mar 1 01:53:27.015: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.1.1.1 (FastEthernet0/0) is down: manually cleared
*Mar 1 01:53:27.023: IP-EIGRP(Default-IP-Routing-Table:100): route installed for 10.4.4.0 ()
*Mar 1 01:53:27.035: IP-EIGRP(Default-IP-Routing-Table:100): route installed for 192.168.13.0 ()
R2(config-router)#
*Mar 1 01:53:27.051: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.2.2.3 (FastEthernet1/0) is down: manually cleared
*Mar 1 01:53:28.379: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.2.2.3 (FastEthernet1/0) is up: new adjacency
*Mar 1 01:53:28.399: IP-EIGRP(Default-IP-Routing-Table:100): 10.1.1.0/24 – do advertise out FastEthernet1/0
*Mar 1 01:53:28.403: IP-EIGRP(Default-IP-Routing-Table:100): Int 10.1.1.0/24 metric 28160 – 25600 2560

Debug is turned off by executing the do un all command.

R2(config-router)#do un all

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