[f-nsp] Exporting OSPF routes to RIP

George Bonser george at shorelink.com
Tue Feb 10 20:36:39 EST 2004


I am having a little trouble with a BigIron exporting OSPF routes to 
RIP.  Here is what I have:

router ospf
  area 0.0.0.0
  permit redistribute 1 static address 10.7.0.0 255.255.0.0
  permit redistribute 2 static address 10.6.0.0 255.255.0.0
  permit redistribute 3 connected address 10.254.7.0 255.255.255.0
  permit redistribute 4 connected address 10.254.6.0 255.255.255.0
  deny redistribute 10 all
  redistribution connected
  redistribution static

And ospf is in fact picking up the couple of connected routes and static 
  routes that I want it to.  No trouble with ospf.  Here is my RIP config:

router rip
  filter 1 permit 10.254.7.0 255.255.255.0
  filter 2 permit 10.7.0.0 255.255.0.0
  filter 63 permit any any
  filter 64 deny any any
  permit redistribute 1 ospf address 10.0.0.0 255.0.0.0 set-metric 1
  deny redistribute 64 all
  redistribution

No routes at all are being sent to the RIP neighbor. The interface 
setting is:

interface ve 101
  ip address 10.254.7.2/30
  ip rip filter-group in 1 2 64
  ip rip filter-group out 63
  ip rip v2-only

A sample chunk of my routing table looks like this:

1       10.0.0.0/8         10.255.0.6      1/1        20     O
2       10.1.0.0/16        10.255.0.6      1/1        20     O
3       10.2.0.0/16        10.255.0.6      1/1        81     O
4       10.3.0.0/16        10.255.0.6      1/1        72     O
5       10.4.0.0/20        10.255.0.6      1/1        81     O
6       10.4.254.0/24      10.255.0.6      1/1        81     O

I would expect these routes to be redistributed into RIP.

The RIP neighbor's RIP config looks like:

router rip
  filter 63 permit any any
  filter 64 deny any any

and the interface looks like this

interface ve 38
  ip address 10.254.7.1 255.255.255.252
  ip rip filter-group in 63
  ip rip filter-group out 63
  ip rip v2-only

Any idea why the neighbor is seeing none of the ospf routes via RIP?





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