Redistributing Fun

From: Luca Hall (lhall@setnine.com)
Date: Thu May 22 2008 - 09:40:36 ART


R2 mutually redistributes RIP<->OSPF
R4 mutually redistributes EIGRP<->OSPF

            [R1]
        e0/0 |
             R
             I
             P
             | e0/0
      s0/0 -[R2]- s0/1
           | |
           O R
           S I
           P P
           F |
           | |
       s0/0 \ / s0/1
[R6]-EIGRP--[R4]--RIP--[R5]
  e0/0 e0/0 e0/1 e0/0

R1 is sending 10 routes to R2, R2 then sends them
via RIP, redistributes them into OSPF and sends via OSPF.

You want full reachability, my solution is set the RIP routes
on R4 learned by R2 to AD 109 (distance exact match)
to keep them in their own domain; then on R2 summarize them via OSPF
so R4 wont set their AD set to 109, the summaries will be
put into R4's routing table then redistributed into EIGRP.

Is there any other/better ways to do this?



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