From: mark.2.johnson@bt.com
Date: Tue Jan 06 2009 - 10:44:32 ARST
Hi Sergei,
You could try LSA type-3 filtering using a prefix list either into area
0 or out of area 1.
Hth.
Regards,
Mark Johnson
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Sergei Udovenko
Sent: 06 January 2009 12:35
To: ccielab
Subject: OSPF intra area filtering
Hello to all CCIE candidates!
I've the following topology:
lo:1.1.1.x->R1---R2----R3
R1 - area 1
R2 - ABR
R3 - area 0
The issue that I want that 1.1.1.x will not be advertised to the R2(ABR)
and all other routers int area 0. So the problem here is that I want to
find workaround to filter route in intra- area and not on ABR with area
1 range 1.1.1.0 255.255.255.0 not-advertise command. Also because there
are about 20 routers in area 0 that shouldn't receive 1.1.1.x and I
don't want to use distribute-list x in on each router in area 0 to
filter the local routing table on each router.
May be some of you have any suggestion how to get this workaround?
--------------------
Best regards,
Sergei
Blogs and organic groups at http://www.ccie.net
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