[Openswan Users] 2 DSL Connections

Sebastian Haas haas at ems-wuensche.com
Thu Dec 23 09:21:40 CET 2004


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Hello List,

we have 2 DSL connections (both have a dynamic IP):
PPP0 (VPN Connection)
PPP1 (Internet Connection, default gateway)

We use a Dynamic DNS service. I've configured OpenSWAN to use PPP0 for
VPN. But the tunnel couldn't be established, it hangs in MAIN. It looks
like the other end of the tunnel (is also an OpenSWAN) is not responding.

If i set the default gateway to PPP0 everything works fine, but if PPP1
is the default gateway it didn't work. But in the logs there is
something like "sending XYbytes through PPP0". If i setup a route where
i use the IP of the peer as destination and interface PPP0 it works, but
thats not are solution.

Our network setup looks like:

NETWORK ONE (OpenSWAN Linux2.4)      Network TWO (OpenSWAN Linux2.6)
~             PPP0 <--->              <---> PPP0
~                          Internet
~             PPP1 <--->

Any ideas?

Thanks in advance,
Sebastian Haas
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