[nsp] policy-routing GRE tunnel packets

Alexander Bochmann bochmann at FreiNet.de
Tue Aug 19 12:42:19 EDT 2003


we're trying to policy-route packets from two 
different GRE tunnels on a router to two different 
gateways (there are two physical interfaces, and 
packets belonging to Tunnel0 with the first interface 
as source interface should be sent out through 
that one and packets belonging to Tunnel1 with 
the second interface as source should be sent out
through the other one).

I had assumed that the Tunnel packets would be 
subject to local policy routing, but that doesn't 
seem to work - according to packet debugging, the 
traffic for both GRE tunnels are sent out following 
the default route.

Is something like that just not possible with an 
IOS 12.3.1a box, or has anyone managed to make a
similar setup work?


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