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[OSPF] ospf passive interface and redistribute ospf

Fredrik Liljegren <fredrik.liljegren@ericsson.com> Tue, 21 April 2015 16:03 UTC

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From: Fredrik Liljegren <fredrik.liljegren@ericsson.com>
To: "ospf@ietf.org" <ospf@ietf.org>
Thread-Topic: ospf passive interface and redistribute ospf
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Date: Tue, 21 Apr 2015 16:03:07 +0000
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Subject: [OSPF] ospf passive interface and redistribute ospf
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Hi!

I have a scenario where I run two OSPF instances (AS) on the same router, and intend to share some routing information between them. One instance attaches locally connected networks, and one instance facing the external world.

The locally connected networks are included into OSPF as passive networks, and are supposed to be redistributed into the "external" OSPF instance with redistribute OSPF. This does not work, and I can't find any documentation regarding this use case. Other OSPF networks are redistributed as expected, but the passive networks seems to be considered as connected even though they are included into with the passive feature. Are passive networks to be considered as any other locally connected OSPF network when it comes to redistribute OSPF, or is there some difference in this regards? I thought they would be treated the same, and am trying to convince some designers that it is, but I better make sure first that it actually is the case or did I misunderstand the passive feature?

Thanks and regards
Fredrik

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