Cisco VPN Client Random Disconnects

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May 14th, 2008
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I am connecting to our ASA5510 via Cisco VPN client version 5.x. I am getting continuous disconnects at random times. I have never had a connection last more than 10 minutes. The disconnects happen when the session is idle and also when the session is active. I have had the connection drop on me in the middle of a file transfer even. I have set the session timeout to unlimited but no help. Does anyone have any ideas?



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smahbub Tue, 05/20/2008 - 05:57
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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.

check if TunnelEstablished Registry key is set to 0 which is the right one.

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


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