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Cisco Bug: CSCsy90101 - DMVPN natted ESP traffic causing lost packet during rekey

Last Modified

Feb 08, 2019

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

EIGRP is flapping during rekey of ipsec phase 2
The tunnel recovers by itself

Mar 16 15:51:43.826: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor (Tunnel7) is down: holding time expired
Mar 16 15:51:52.726: ISAKMP: set new node 678721127 to QM_IDLE
[..] Reconnection done
Mar 16 15:52:02.582: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor (Tunn

Spoke running 12.4.24T
During rekey of IPsec phase 2
NAT enabled on the spoke without specifying to deny esp traffic
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