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Unable to support 2x VPN simultaneously

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16 Jan 2012 18:19 #70804 by agf
Hi,

I have a 2830n (dual band) and have setup 2 LAN-LAN VPN tunnels, one to the office running L2TP with an IPSec policy and the other out to a cloud based VPN service running PPTP with MPPE, this is set as the default route.

Went I originally set this configuration up last year it worked fine, but now I am not able to have both VPN tunnels running at the same time, if I try to bring up a second tunnel the first drops after less than two minutes and can not reconnect.

I have tried reflashing the firmware and loading a config backup from before the problem occurred, but nothing seems to solve the problem.

Any ideas anyone?

Regards Alex

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17 Jan 2012 10:23 #70810 by lozstlouis
Replied by lozstlouis on topic Re: Unable to support 2x VPN simultaneously
Different subnets? You say you had them working before - just not at the same time. So is one similar in someway to the other & there is a conflict?

www.alits.co.uk

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17 Jan 2012 12:02 #70812 by agf

lozstlouis wrote: Different subnets? You say you had them working before - just not at the same time. So is one similar in someway to the other & there is a conflict?



Originally they both worked simultaneously, but now it is one or the other. The office VPN is for a specific network, the default route VPN is for all Internet traffic, the network for the house is 192.168.1.0 the office network is 192.168.0.0 and the other is everything else.

Maybe I will log a ticket and see if they have a newer firmware that fixes the problem.

Regards Alex

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20 Jan 2012 17:16 #70863 by agf
I think I have solved the problem, hopefully :)

When I originally setup the VPNs I was using a firmware with the recommended standard UK modem code, then I changed to the same firmware version with a different modem code and all the firmware versions I have tried since have not been the original modem code that I had used when setting up the configuration file which I have been using.

I have changed back to a firmware with the same modem code I was running when I created the configuration and both VPNs seem to be staying up simultaneously now.

Regards Alex

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20 Jan 2012 18:20 #70866 by agf
Posted too soon, this modem code firmware just holds the initial VPN connection for longer before dropping and then can't reconnect.

SEG tech support next week I think.

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