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Layer 3 switch is reporting EIGRP Adjacency flaps from Vlan1.

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acabezas7

MIS
Mar 5, 2007
71
US
I have a C3560C switch connected to a 3750X switch via fiber. On my 3750X switch I am receiving the following messages in log. Any help would be greatly appreciated. Thanks

Alert:
VCBC-3750X 10.156.20.130 EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is down: retry limit exceeded

Logs:
.Feb 12 11:53:44.967: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is up: new adjacency
.Feb 12 11:55:04.620: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is down: retry limit exceeded
.Feb 12 11:55:04.821: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is up: new adjacency
.Feb 12 11:56:24.500: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is down: retry limit exceeded
.Feb 12 11:56:28.652: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is up: new adjacency
.Feb 12 11:57:48.347: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is down: retry limit exceeded
.Feb 12 11:57:51.828: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is up: new adjacency


I have enabled EIGRP Debug on my 3750X switch and received the following information below. My 3560C switch is currently running software version c3560c405-universalk9-mz.122-55.EX3

Feb 12 14:26:44.777: EIGRP: Retransmission retry limit exceeded
Feb 12 14:26:44.794: EIGRP: Holdtime expired
Feb 12 14:26:44.794: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is down: retry limit exceeded
Feb 12 14:26:44.794: Going down: Peer 10.156.20.131 total=1 stub 0, iidb-stub=0 iid-all=0
Feb 12 14:26:44.794: EIGRP: Handle deallocation failure [0]
Feb 12 14:26:44.794: EIGRP: Neighbor 10.156.20.131 went down on Vlan1
Feb 12 14:26:47.260: EIGRP: New peer 10.156.20.131
Feb 12 14:26:47.260: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is up: new adjacency
Feb 12 14:28:07.073: EIGRP: Retransmission retry limit exceeded
Feb 12 14:28:07.089: EIGRP: Holdtime expired
Feb 12 14:28:07.089: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is down: retry limit exceeded
Feb 12 14:28:07.089: Going down: Peer 10.156.20.131 total=1 stub 0, iidb-stub=0 iid-all=0
Feb 12 14:28:07.089: EIGRP: Handle deallocation failure [0]
Feb 12 14:28:07.089: EIGRP: Neighbor 10.156.20.131 went down on Vlan1
Feb 12 14:28:10.654: EIGRP: New peer 10.156.20.131
Feb 12 14:28:10.663: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is up: new adjacency
Feb 12 14:29:30.291: EIGRP: Retransmission retry limit exceeded
Feb 12 14:29:30.307: EIGRP: Holdtime expired
Feb 12 14:29:30.307: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is down: retry limit exceeded
Feb 12 14:29:30.307: Going down: Peer 10.156.20.131 total=1 stub 0, iidb-stub=0 iid-all=0
Feb 12 14:29:30.307: EIGRP: Handle deallocation failure [0]
Feb 12 14:29:30.307: EIGRP: Neighbor 10.156.20.131 went down on Vlan1
Feb 12 14:29:33.184: EIGRP: New peer 10.156.20.131
Feb 12 14:29:33.184: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 10.156.20.131 (Vlan1) is up: new adjacency
 
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