IP tunnel through two nodes (in both directions)?

Dan Forsberg (dforsber@niksula.hut.fi)
Fri, 27 Nov 1998 13:27:17 +0200 (EET)


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Hi,

I would like establish two way ipip tunnel (bi-directional) from one host
(Home Agent) to an other (Mobile Node) through third one (Foreign Agent).
Just to test how it works (ping). Is it possible to do this without
patching the kernel (only ipip module)?

I'm working with the 2.1.128 kernel and planned to use iproute2
(iproute2-2.1.99-now-ss980827) from Alexey Kuznetsov. Is it possible to
use ifconfig/route/arp instead of the iproute2 package to achieve the same
goal?

One of the problems is how to route all packets incoming from tunnel to an
another tunnel (redirect in FA). Source routing is possible, but how to do
that?

Other one is how to route all packets coming from tunnel (HA as router for
the tunnel)? Do I have to cofigure the HA as a router or is there a simple
"ip route ..." command to do that.

Cheers,

- --
Dan.Forsberg@iki.fi Student & Admin HUT/CS
http://www.iki.fi/Dan.Forsberg
finger dforsber@niksula.cs.hut.fi

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