EIGRP msg in the log

Answered Question
Mar 30th, 2010

i'm getting these lines in my switch log and i'm not sure whether to be worried about or what?

034389: Mar 30 02:28:25 central: IP-EIGRP(Default-IP-Routing-Table:100): Neighbor 10.30.13.10 not on common subnet for Vlan306
034390: Mar 30 02:30:46 central: IP-EIGRP(Default-IP-Routing-Table:100): Neighbor 10.30.13.10 not on common subnet for Vlan306

Thanks

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Correct Answer by Jon Marshall about 6 years 9 months ago

garyrivers wrote:

i'm getting these lines in my switch log and i'm not sure whether to be worried about or what?

034389: Mar 30 02:28:25 central: IP-EIGRP(Default-IP-Routing-Table:100): Neighbor 10.30.13.10 not on common subnet for Vlan306
034390: Mar 30 02:30:46 central: IP-EIGRP(Default-IP-Routing-Table:100): Neighbor 10.30.13.10 not on common subnet for Vlan306

Thanks

Gary

It means that there are 2 EIGRP neigbors on vlan 306 but they have been configured with a different IP/subnet mask. Check the IP address and subnet of every interface on the L3 switches/routers that connect to vlan 306.

Jon

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Correct Answer
Jon Marshall Tue, 03/30/2010 - 09:13

garyrivers wrote:

i'm getting these lines in my switch log and i'm not sure whether to be worried about or what?

034389: Mar 30 02:28:25 central: IP-EIGRP(Default-IP-Routing-Table:100): Neighbor 10.30.13.10 not on common subnet for Vlan306
034390: Mar 30 02:30:46 central: IP-EIGRP(Default-IP-Routing-Table:100): Neighbor 10.30.13.10 not on common subnet for Vlan306

Thanks

Gary

It means that there are 2 EIGRP neigbors on vlan 306 but they have been configured with a different IP/subnet mask. Check the IP address and subnet of every interface on the L3 switches/routers that connect to vlan 306.

Jon

Cisco are currently donating money to the Haiti earthquake appeal for every rating so please consider rating all helpful posts.

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