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Collaborator

After the VPN client dials in for a period of time, the interruption occurs automatically

Hi,Engineers, I'd like to ask you a question

After the VPN client dials in for a period of time, the connection is often interrupted about two hours later.What caused the connection to fail

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6 Replies
Admin
Admin

Please describe in detail what you mean by "interruption."
I'm guessing this is when the client is asking for reauthentication from the end user, which it periodically does.
Collaborator

After using the VPN client to dial in for two hours, the client cannot dial in the VPN, so it can only dial in the VPN client by manually re-entering the password
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Admin
Admin

If your VPN goes down every two (or several, depending on IKE time-outs) hours, check that you can still reach CRL distribution point when VPN is up.

The classic case is:

1. VPN is down. IKE is established with certificates based auth. CLR is available, tunnel goes up.

2. Once keys are expired, GWs try to re-negotiate. Auth fails because CRL is no longer available. Tunnel goes down.

3. GWs retry IKE, once tunnel is down, CRL becomes reachable again, tunnel goes up.

Collaborator

Sorry, I don't quite understand
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Participant

 

What is the timeout configured in the global properties ?

timeout.PNG

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Collaborator

微信图片_20200304232201.pngIt is the same as the screenshot you sent

Are there any other screening methods?

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