Category:Cisco Systems -> Routing and Switching
Diagram:
Output:
R3(config)#interface VLAN600
R3(config-if)# ip authentication mode eigrp 100 md5
R3(config-if)# ip authentication key-chain eigrp 100 COMPANY
R3(config-if)#key chain COMPANY
R3(config-keychain)# key 1
R3(config-keychain-key)# key-string fDfE2$dk&34;
R3(config-keychain-key)# exit
R3(config-keychain)#
*Mar 1 02:15:59.339: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.1.0.1 (Vlan600) is down: authentication mode changed
R5#
*Mar 1 02:16:01.943: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.1.0.2 (Vlan600) is down: Interface Goodbye received
R5(config)#interface VLAN600
R5(config-if)# ip authentication mode eigrp 100 md5
R5(config-if)# ip authentication key-chain eigrp 100 COMPANY
R5(config-if)#key chain COMPANY
R5(config-keychain)# key 1
R5(config-keychain-key)# key-string fDfE2$dk&34;
R5(config-keychain-key)# exit
R5(config-keychain)#
*Mar 1 02:16:56.915: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.1.0.2 (Vlan600) is up: new adjacency
R3#
*Mar 1 02:16:54.355: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.1.0.1 (Vlan600) is up: new adjacency
