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OSPF intra area filtering
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
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