Chained RDP over chained VPN
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Posted by Frank Winkler on June 19, 2008, 8:47 am
Please log in for more thread options One of my colleagues has a very strange problem. He asked me to help him as I'm the infrastructure and networking guy but I'm quite sure that this is not a Cisco problem but rather a Billy-OS one. From home, he RDPs to a machine in the company LAN over a VPN tunnel. There he opens a second VPN connection (onboard PPTP) to a customer site, and as soon as he tries to start a second RDP session to a customer machine, the Cisco VPN tunnel breaks down. The same thing worls without the first VPN tunnel, i.e. from a client inside our LAN. Any ideas? TIA fw | |||||||||||||||||||||||||
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Posted by artie lange on June 19, 2008, 9:02 am
Please log in for more thread options On the properties of the PPTP connection, goto the networking tab, double click the TCP/IP option, goto the advanced option, and ensure the use default gateway on remote network is unchecked. | |||||||||||||||||||||||||
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Posted by Frank Winkler on June 19, 2008, 10:08 am
Please log in for more thread options artie lange wrote:
>On the properties of the PPTP connection, goto the networking tab,
>double click the TCP/IP option, goto the advanced option, and ensure the >use default gateway on remote network is unchecked. We'll try that - I forgot to mention that I have no clue of Billy-OS ;) ... But what's the connection between the default route on the "hop" system and the breaking VPN tunnel? Regards fw | |||||||||||||||||||||||||
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Posted by artie lange on June 19, 2008, 10:26 am
Please log in for more thread options Frank Winkler wrote:
> artie lange wrote:
> > >On the properties of the PPTP connection, goto the networking tab,
> >double click the TCP/IP option, goto the advanced option, and ensure the > >use default gateway on remote network is unchecked. >
> We'll try that - I forgot to mention that I have no clue of Billy-OS ;) ... > > But what's the connection between the default route on the "hop" system > and the breaking VPN tunnel? > > Regards > > fw By enabling the default route on the PPTP connection, all traffic is routed over the VPN ,thus breaking your IPSEC VPN. Google split tunneling. | |||||||||||||||||||||||||
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Posted by Frank Winkler on June 20, 2008, 4:02 am
Please log in for more thread options artie lange wrote:
>By enabling the default route on the PPTP connection, all traffic is
>routed over the VPN ,thus breaking your IPSEC VPN. > >Google split tunneling. Aaah, of course, I know spilt tunneling - but I didn't fully understand the wording of that option and what it does in fact. If M$ called it "split tunneling", I would have known what's going on :) ... Other good news: it works now. And now that the above clarified, things make sense. Thanks for your hint! Regards fw | |||||||||||||||||||||||||
| Similar Threads | Posted |
| Chained RDP over chained VPN | June 19, 2008, 8:47 am |
>
> One of my colleagues has a very strange problem. He asked me to help him
> as I'm the infrastructure and networking guy but I'm quite sure that
> this is not a Cisco problem but rather a Billy-OS one.
>
> From home, he RDPs to a machine in the company LAN over a VPN tunnel.
> There he opens a second VPN connection (onboard PPTP) to a customer
> site, and as soon as he tries to start a second RDP session to a
> customer machine, the Cisco VPN tunnel breaks down. The same thing worls
> without the first VPN tunnel, i.e. from a client inside our LAN.
>
> Any ideas?
>
> TIA
>
> fw