From: Hansang Bae (hbae@xxxxxxxxxx)
Date: Sun Oct 28 2001 - 22:55:07 GMT-3
>Can someone help with this OSPF <-> EIGRP redistribution lab exercise.
>
>Router B has 2 serial 0, serial 1 & Ethernet 0
>interfaces. The serials are running OSPF on them &
>they lead to OSPF IP cloud. The e0 is running EIGRP
>on it & they leads to EIGRP IP cloud. All IP subnet
>addresses have prefix of 180.99.X.X.
>
>The problem is when EIGRP is configured it grapes
>all 180.99.X.X interfaces (including the s0 & s1 IP
>subnets) & sends them out. The requirement is to
>have OSPF on 2 serials ONLY (this is easy since OSPF
>network command is granular) & EIGRP is to run on e0
>ONLY (this is where I need help since EIGRP network
>command is NOT granular). I tried a distribute list
>(distribute-list 99 out e0 with ACL denying the 2
>serial subnets). But this stops OSPF to EIGRP
>redistribution of these 2 subnets.
You can't stop EIGRP from running on the interface since the wildcard mask
is out of the question (not in earlier IOSes) So you would have to make
the AD much higher so that it won't show up in the routing table - or more
accurately, not show up via EIGRP.
So how about something like this:
eigrp 1
network 180.99.0.0
distance 200 180.99.12.0 0.0.254.255 1
access-list 1 permit 180.99.12.0
access-list 1 permit 180.99.13.0
And if you wanted to play with the E2/E1 routes of OSPF, you could use a
route-map with
"match route-type external"
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