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List:       zebra
Subject:    [zebra 5905] ospf aggregation does weird stuff?
From:       Lennert Buytenhek <buytenh () gnu ! org>
Date:       2000-11-27 20:04:41
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Hi,

I'm happily using zebra 0.89a on an area border router here, but there is
one little thing that annoys me. When I try to aggregate the subnets
132.229.230.0/24 and 132.229.231.0/24 I advertise onto the backbone
(132.229.8.0/24) into 132.229.230.0/23, I start getting this kind of
stuff:

Nov 27 17:00:45 mathgate zebra[787]: ospf route delete 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:00:45 mathgate zebra[787]: ospf route add 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:00:45 mathgate zebra[787]: netlink_talk error: Invalid argument
Nov 27 17:00:55 mathgate zebra[787]: ospf route delete 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:00:55 mathgate zebra[787]: ospf route add 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:00:55 mathgate zebra[787]: netlink_talk error: Invalid argument
Nov 27 17:02:45 mathgate zebra[787]: ospf route delete 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:02:45 mathgate zebra[787]: ospf route add 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:02:45 mathgate zebra[787]: netlink_talk error: Invalid argument
Nov 27 17:04:48 mathgate zebra[787]: ospf route delete 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:04:48 mathgate zebra[787]: ospf route add 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:04:48 mathgate zebra[787]: netlink_talk error: Invalid argument
Nov 27 17:20:31 mathgate zebra[787]: ospf route delete 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:20:31 mathgate zebra[787]: ospf route add 132.229.230.0/23 via 127.0.0.1 ifindex 1
Nov 27 17:20:31 mathgate zebra[787]: netlink_talk error: Invalid argument
[ad infinitum]

I've turned off the aggregation for now, but is this good or bad? :-)

Another thing I noticed is that the LSA for the aggregate has ID
132.229.231.255.. is that's what the ID is supposed to be?

OS is linux 2.2.17 with dozens of patches.


cheers,
Lennert

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