Remote VPN Access

Unanswered Question
Sep 22nd, 2009


I have created a Remote VPN in PIX 515E 7.0 and issue is we are getting connected to the VPN but not able to access the servers sometimes

When i try connecting from my home its getting connected to VPN aswell as servers but when i try from remote office iam not able to access the servers when i connected after sometimes same is connecting

why this improper responce

its may be due to Client version

Due to some ISP

and i same heard from some of my remote users

can u suggest us why this is

I have this problem too.
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Alexandro Carra... Tue, 09/22/2009 - 08:31

can you ping the remote servers when you're not able to connect? ... you may try to use transport-mode to reduce the overhead or reduce the mss on the pix.

acomiskey Tue, 09/22/2009 - 08:43

Make sure you have this command in the pix.

isakmp nat-traversal


crypto isakmp nat-traversal

If that doesn't help, post the config.

vinoth.kumar Sat, 09/26/2009 - 03:41

Thanks for your reply

yes i deployed the command and waiting for the responnce from my clients

can i know what exactly this command will do ? and

why this issue is happened without deploying this command?


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