So if an IPSEC tunnel on ASA is down, only traffic I see in logs show IKE Receiver received on (IP of our local FW) from the (Peer IP of tunnel) but no IKE Response messages are sent back from our Firewall. Shouldn't I see this type of traffic in the logs?
Hi, Are you referring to the IKE debug logs? Can you upload for review please? Has VPN been configured on this firewall before? Could it be that IKE (v1 or v2) has not been enabled on the outside interface, therefore it would not respond.
No, referring to Real-Time Log Viewer when viewing in ASDM. Yes VPN always works but then stopped. IKEv2
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