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Lan-to-lan tunnel drops every time after several days

We have configured a lan-to-lan tunnel between a vpn 3005 concentrator and a 836 router. The tunnel works fine, except for the fact that the tunnel drops after several days. A router reload is neccessary to get the tunnel back up again. In the smnp log I get the following message:

Removing peer from correlator table failed, no match!

I Cannot find an explaination for this error message anywhere. Does anyone know what this error message means?

Thanks!

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Re: Lan-to-lan tunnel drops every time after several days

Unexpected tunnel drops is covered by bug CSCds86626 ' Tunnel may drop during rekey when IKE configured to rekey on both'. You will need to upgrade the software on your concentrator. If you are running into this bug, you are probably using an old version of the concentrator software and upgrading would be a good idea. Another possibility is that your configuration is such that IKE and IPSEC both rekeying at the same time. That has the potential for causing problems. The IKE rekey time should generally be more than the IPSec rekey time.

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