Frame Relay and Policy Routing

From: Doug Calton (dcalton@fuse.net)
Date: Mon Dec 09 2002 - 18:40:47 GMT-3


I am working on a training scenario where we are to route traffic destined for
a specific IP subnet through a Frame Relay partially meshed network, by using
the "set interface" command of the route-map subcommand. The router to which
the policy is applied uses subinterfaces, and the subinterface that I am
setting in route-map is a multipoint interface acting as the hub to a frame
relay subnet.

When configured normally, the routing policy works, but the packet is dropped
because of encapsulation failure leaving the frame relay subint. I can get
the configuration to "work" by configuring a frame-relay map statement for a
destination IP address in the target subnet, but this is not an ideal
solution. Is there an more generalized way to encapsulate the exiting traffic
to the appropriate dlci, or possibly another approach to allowing this traffic
to traverse the frame-relay network? Thanks!
.



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