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OSPF Redistribution

Posted on 2014-01-17
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How do I get a route to redistribute into OSPF 100 from OSPF 1?  And how to I create a route-map?
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Question by:Evolutionzz
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Expert Comment

by:Soulja
ID: 39789491
On the ASBR that has both OSPF processes

conf t

router ospf 100
redistribute ospf 1 subnets

router ospf 1
redistribute ospf 100 subnets


For the route-map


access-list 1 permit x.x.x.x 0.0.0.x

route-map Filter permit 10
match ip address 1     ***matches the network or host you put in the above ACL.

You can add this to the redistribute to determine what you want to filter.


Example:

router ospf 100
redistribute ospf 1 subnets router-map Filter
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Author Comment

by:Evolutionzz
ID: 39789674
how can I set up the access list using extended access list?
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Author Comment

by:Evolutionzz
ID: 39789677
this is what I had.  Where's the mistake?

router ospf 100
 redistribute ospf 1 subnets route-map ospf1-to-ospf100
^Z
wr mem

conf t
route-map ospf1-to-ospf100
route-map ospf1-to-ospf100 permit    (not sure what goes here)

WA2-DATA-CORE-1#
conf t
ip access-list extended ospf1-to-ospf100
permit ip 10.0.0.0 0.255.255.255 any
permit ip 172.16.24.0 0.0.7.255 any                          
permit ip 172.16.128.0 0.0.7.255 any
deny ip any any
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Accepted Solution

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Soulja earned 2000 total points
ID: 39789702
route-map ospf1-to-ospf100
route-map ospf1-to-ospf100 permit    (not sure what goes here)

should be

route-map ospf1-to-ospf100 permit 10
match ip address ospf1-to-ospf100

I believe your acl needs to be a standard acl not extended.
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