I am getting some problems with a Site to Site VPN from the last two weeks. In some occasions it stops to send traffic through the VPN without any apparent reason. I have other VPNs that continue working fine. While it is failing I have run the command "show crypto isakmp sa" and I have found that I have two entries for the peer that is failing:
9 IKE Peer: x.x.x.x
Type: L2L Role: responder
Rekey: no State: AM_REKEY_DONE_H2
10 IKE Peer: x.x.x.x
Type: L2L Role: initiator
Rekey: yes State: MM_ACTIVE_REKEY
Any idea about what is happening?
On the other hand at the moment the only way to solve this has been using the command "clear crypto isakmp sa" but the problem is that this command clear all the entries and I lose the connectivity in all the other tunnels until the are established again. Is there any way to clear only the tunnel that has problems?