Have a vpn tunnel to another branch always on.
Nromally when I run show crypto session. The tunnels are UP-ACTIVE, as of late I'm seeing them as UP-NO-IKE. Data is still traversing the tunnels as far as I can tell however when they are in this state I'm getting reports of slower branch to branch speeds. Show crypto isakmp sa, will show no active SAs. I'm at a total loss why all the sudden the SAs are dropping. Clear crypto session resolves the issue for a few hours and the process repeats.
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