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Need to limit traffic from one router to travel over another

I have a router in a remote city that has a Frame Relay connection to the entire corporate network. The remote city is adding another circuit that connects to a frame network of a partner company. The remote users have to access both systems, but traffic from the second frame cannot go to the main frame relay system. Can anyone offer some suggestions?


Re: Need to limit traffic from one router to travel over another


Use access-lists to deny the other companys subnet (frame address) from going out the other frame interface on that router and permit just you're networks. Also, if you're using a routing protocol use filters (distribute-lists, route-maps, etc) to deny the route updates from going across that other frame interface and vice-versa if needed. If you're using IGRP/EIGRP, OSPF, etc you can use a seperate process/AS # for that interface so the routing protocols are completely seperate. If you're redistributing between routing protocols then use distribute-lists, route-maps to filter whats needed.

You also may want to disable CDP going toward them, and use some of the Firewall features depending on what your needs.

Regards, Erick