I have problems with a simply preshared key based IPsec tunnel. Basically it actually runs perfect for 36 hours, well 2 times 64800 seconds and not only for 86400 as I assumed before. Afterwards it goes down.
Reloading the router is the fastest way to get the tunnel up again.
(I currently playing with e.g. lifetimes, keepalives and currently "set security-association lifetime seconds 64800" have been added for testing on both sites after testing with default values.)
config on Cisco 860
boot system flash c860-universalk9-mz.152-3.T1.bin
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