multi redistribution between ospf , eigrp , ripv2

From: Weidong Xiao (Weidong.Xiao@vi.net)
Date: Wed Nov 26 2003 - 10:05:58 GMT-3

R1----R2
| |
| | EIGRP
R3----R4 ----------
| | OSPF
| |
R5----R6

Hi group,

In the above topology, R1, R2, R3 and R4 are running EIGRP, R3, R4, R5 and R6 are running OSPF, R3 and R4 are doing mutual redistribution.

Can some guru confirm that without any route filtering, tagging or twisting of distance, routing loop or unoptimal routes will not happen?

If this is the case, then if I swap OSPF with RIPv2, or swap EIGRP with RIPv2 (on R3 and R4 set distance of external ospf to 130), no routing loop will happen even if I do nothing special?

Thanks,
Weidong

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