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gre tunnel constantly goes down

ronshuster
Level 1
Level 1

I have a gre over ipsec tunnel setup and looking at the eigrp neighbors, the tunnel goes down after about 1min 15sec.

No issues with the Internet circuit (ie. IPSEC goes over the Internet between 2 firewalls).

I ran a debug on eigrp and I get... any  idea?

*Mar 25 14:53:46.684: EIGRP: Retransmission retry limit exceeded

*Mar 25 14:53:46.693: EIGRP: Holdtime expired

*Mar 25 14:53:46.693: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 192.168.254.25

(Tunnel0) is down: retry limit exceeded

*Mar 25 14:53:46.693: Going down: Peer 192.168.254.25 total=2 stub 0, iidb-stub=0 iid-all=0

*Mar 25 14:53:46.693: EIGRP: Handle deallocation failure [0]

*Mar 25 14:53:46.693: EIGRP: Neighbor 192.168.254.25 went down on Tunnel0

*Mar 25 14:53:49.637: EIGRP: New peer 192.168.254.25

*Mar 25 14:53:49.637: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 192.168.254.25

(Tunnel0) is up: new adjacency

*Mar 25 14:53:59.662: EIGRP: Retransmission retry limit exceeded

*Mar 25 14:53:59.670: EIGRP: Holdtime expired

*Mar 25 14:53:59.670: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 192.168.254.29

(Tunnel1) is down: retry limit exceeded

*Mar 25 14:53:59.670: Going down: Peer 192.168.254.29 total=2 stub 0, iidb-stub=0 iid-all=0

*Mar 25 14:53:59.670: EIGRP: Handle deallocation failure [1]

*Mar 25 14:53:59.670: EIGRP: Neighbor 192.168.254.29 went down on Tunnel1

*Mar 25 14:54:03.277: EIGRP: New peer 192.168.254.29

*Mar 25 14:54:03.277: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 192.168.254.29

(Tunnel1) is up: new adjacency

*Mar 25 14:55:09.279: EIGRP: Retransmission retry limit exceeded

*Mar 25 14:55:09.287: EIGRP: Holdtime expired

*Mar 25 14:55:09.287: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 192.168.254.25

(Tunnel0) is down: retry limit exceeded

*Mar 25 14:55:09.287: Going down: Peer 192.168.254.25 total=2 stub 0, iidb-stub=0 iid-all=0

*Mar 25 14:55:09.287: EIGRP: Handle deallocation failure [0]

*Mar 25 14:55:09.287: EIGRP: Neighbor 192.168.254.25 went down on Tunnel0

*Mar 25 14:55:13.037: EIGRP: New peer 192.168.254.25

*Mar 25 14:55:13.037: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 192.168.254.25

(Tunnel0) is up: new adjacency              

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