As a result of the mutual redistribution the subnets in question look better over the OSPF Metro E with an admin distance of 110. Networks redistributed into EIGRP have an admin distance of 170.
Why not run a single routing protocol for one homogonous routing domain?
You could use then ‘distance’ command under EIGRP or OSPF to make specific routes in question look more attractive over the tunnel network. You could also use the ‘distance eigrp’ command to change the admin distance for EIGRP globally. These two options don’t generally scale well but they are effective.
Loc_A receives routes for Loc_C from Loc_B and Loc_C but prefers Loc_B.
Can I get help on influence the traffic flow.
#sh ip route eigrp
D EX 192.168.88.0/24 [170/10496000] via 172.20.1.2, 00:06:51, Tunnel4
show ip route 192.168.88.0 Routing entry for 192.168.88.0/24 Known via "ospf 1", distance 110, metric 20, type extern 2, forward metric 3 Redistributing via eigrp 2 Advertised by eigrp 2 Last update from 172.16.1.1 on FastEthernet0/1, 00:07:23 ago Routing Descriptor Blocks: * 172.16.1.1, from 172.20.0.9, 00:07:23 ago, via FastEthernet0/1 Route metric is 20, traffic share count is 1
This prevents routes from back feeding into the originating protocol. It will also set OSPF external routes to type 1. The metric of a type 1 route will increase as it’s propagated throughout the network. This should be helpful in this topology. If you still have sub-optimal pathing after this change adjusting the OSPF metrics should fix it.
We are pleased to announce availability of Beta software for 16.6.3.
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