VPN Disconnect

Unanswered Question
May 14th, 2008

We have been using VPN Client (version 4.8 and 5.0) for about 5 years. One user keeps getting disconnected from the VPN (he has never had an issue in the past), with the following error message in the log. Marking IKE SA for deletion ... reason = DEL_REASON_RESET_SADB. Anyone know what that means?

I have this problem too.
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hadbou Tue, 05/20/2008 - 05:51

The reason for that disconnection might be one of the following:

1) You reached an idle timeout.Increase the idle timeout value.

2) Someone cleared the tunnel.check for the tunnel configuration.

3) Your SA has a very short lifetime.

check if isakmp nat-t is enabled.If not enable the same and check for the issue and if TunnelEstablished Registry key is set to 0 which is the right one.

Refer the following url for more info on troubleshooting VPN issue:

http://www.cisco.com/en/US/products/ps6120/products_tech_note09186a00807e0aca.shtml#isalife

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