On Thu, 24 Oct 2002 11:17:59 +0200
"Oleg Kobets" <[EMAIL PROTECTED]> wrote:
> maybe it has something to do with MPPE ? As far as I understood,you need
> mppe enabled pptp and some kernel module ?
No, the problem solved by loading ip_gre module on both (!) ends of
connection. Strange that I don't need it to connect to/from Windows.
Now for much more interesting question:
Let's say I have four computers (A,B,C,D) in four different networks and
want to organize a VPN between them. I can make VPN from one computer
(A) to three others (B,C,D) and I can even use the same IP for all
three connections on originating computer (A). I can even use it as
router between all four. But - if this computer fails - all my VPN
network fail because I have a single point of failure here.
Solution that seems to be right - make additional VPN connections between
three remaining computers (maybe using same IPs as in the first three
connection) and use those connections as backup. But now I have a routing
problem. In first setup VPN IP of A was router for C,B,D to get to VPN
network. Now I have more than one path to get from D to B for example.
Perfect solution would allow switch to another route if first one failed.
What solution to the routing problem would be right ? Some kind of
dynamic routing over the VPN connection ? Something (hopefully)
simpler ?
Thanks.
Michael.
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