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vpn client on Linux machines with e1000 NIC

 
 
Mogens Kjaer
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      12-13-2006
I've installed the vpn client:

vpnclient-linux-x86_64-4.8.00.0490-k9.tar.gz

on several Linux machines without any problems.

However, if the machine has an Intel NIC (e1000 driver), it doesn't
work. The tunnel is established, I can ping through
the tunnel, but nothing comes back.

On the same machine, it works in Windows 2000.

On the same machine, it works using the opensource
vpnc client in Linux.

I would rather not use the open source vpn client as the performance
is not as good as the cisco client.

Any suggestions what to look for? I've tried to reduce
the MTU on the client, but this makes no difference.

Mogens
--
Mogens Kjaer, Carlsberg A/S, Computer Department
Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark
Phone: +45 33 27 53 25, Fax: +45 33 27 47 08
Email: http://www.velocityreviews.com/forums/(E-Mail Removed) Homepage: http://www.crc.dk
 
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Mogens Kjaer
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      02-12-2007
Mogens Kjaer wrote:
> I've installed the vpn client:
>
> vpnclient-linux-x86_64-4.8.00.0490-k9.tar.gz
>
> on several Linux machines without any problems.
>
> However, if the machine has an Intel NIC (e1000 driver), it doesn't
> work. The tunnel is established, I can ping through
> the tunnel, but nothing comes back.


Thanks to SN, who sent me a private email regarding this
problem. I'll post the solution here in case someone else
runs into this problem:

The problem is fixed by upgrading the e1000 driver to
the latest release. This is currently 7.3.20. The new
driver is available at: http://sourceforge.net/projects/e1000
This needs to be rebuild after every kernel upgrade.

Mogens

--
Mogens Kjaer, Carlsberg A/S, Computer Department
Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark
Phone: +45 33 27 53 25, Fax: +45 33 27 47 08
Email: (E-Mail Removed) Homepage: http://www.crc.dk
 
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