Redistributing from OSPFv3 into EIGRP with a distribute-list

[ST Green]

I was working on a lab to redistribute routes from OSPFv3 into EIGRP.
First part of the lab required redistributing all OSPFv3 IPv4 routes into EIGRP.  The commands below worked.

router eigrp CISCO
   address-family ipv4 unicast autonomous-system 100
      topology base
         redistribute ospfv3 10 metric 1500 1 255 100 1500

Second part of the lab required filtering the redistributed OSPFv3 routes.  Only the following routes should be redistributed:

172.16.11.0/30
172.16.12.0/24
172.16.41.0/24
172.16.42.0/24
172.16.43.0/24
172.16.44.0/24
192.168.11.0/24

The following routes should be filtered out/NOT redistributed into EIGRP.

10.10.41.0/24
10.10.42.0/24
10.10.43.0/24
10.10.44.0/24

The following config did not work properly.  EIGRP routers still learned 10.10.x.x routes that had been redistributed from OSPFv3.

access-list 1 permit 172.16.11.0/30
access-list 1 permit 172.16.12.0/24
access-list 1 permit 172.16.41.0/24
access-list 1 permit 172.16.42.0/24
access-list 1 permit 172.16.43.0/24
access-list 1 permit 172.16.44.0/24
access-list 1 permit 192.168.11.0/24

router eigrp CISCO
   address-family ipv4 unicast autonomous-system 100
      topology base
         redistribute ospfv3 10 metric 1500 1 255 100 1500
         distribute-list 1 out ospf 10

But when I used this config, it worked fine:

router eigrp CISCO
   address-family ipv4 unicast autonomous-system 100
      topology base
         redistribute ospfv3 10 metric 1500 1 255 100 1500
         distribute-list 1 out Ethernet0/0

Ethernet0/0 is the interface the ASBR used to connect to its EIGRP peer.
Just wondering why using distribute list on all ospf 10 routes did not work.  Any thoughts?
Is it because I did not use ospfv3 10?
There was no option to use ospfv3 10.  There's no ospfv3 keyword when I ran the redistribute command in the EIGRP topology config level.

[paul driver]

Hello

@ST Green wrote:
Is it because I did not use ospfv3 10?

There was no option to use ospfv3 10.  There's no ospfv3 keyword when I ran the redistribute command in the EIGRP topology config level.

I would expect you need to enable ipv6 routing first to obtain that option OSPFv3 and then you could filter your redistribution in conjunction with a route-map that is then calling either an access/prefilx-list, 

[M02@rt37]

Hello @ST Green 

distribute-list out command is used to filter routes being advertise out of EIGRP to its neighbors...so with this command distribute-list 1 out ospf 10  you’re not redistribute EIGRP into OSPF.