prefix list not filtering type 3 lsa on ASA

Unanswered Question
May 26th, 2007
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Hi all


i am unable to filter type 3 lsa using the prefix list. scenario is as shown below :


r1 >> in - asa - out >> r2


r1 is configured with two loopbacks 10.1.1.1/24 and 10.1.2.1/24. it is connecing to asa on the inside with ip of 1.1.1.1/24.

r2 is on the outside.


i am running ospf process 10 on the loopback interfaces of r1 and on the inside of asa.

the loopbacks are in area1 and the f0/0 of r1 and e0/0 of asa are in area 0.


ospf process 20 is running on the ouside of asa and r2.

since r1 is an ABR, i am summarizing the 10.1.1.0/24 and 10.1.2.0/24 routes o 10.1.0.0/16. asa learns abou this summarized route.


now when i try to filter this type 3 lsa on the asa it does not wrk.


the config on r1 is :


router ospf 10

net 10.1.1.1 0.0.0.0 a 1

net 10.1.2.1 0.0.0.0 a 1

net 1.1.1.1 0.0.0.0 a 0

area 1 range 10.1.0.0 255.255.0.0


the config on the asa is as follows:


int e0/0

nameif inside

ip add 1.1.1.2 255.255.255.0


int e0/1

nameif outside

ip add 2.1.1.2 255.255.255.0


prefix-list 10 deny 10.1.0.0/16


rouer ospf 10

net 1.1.1.2 0.0.0.0 a 0

area 0 filer-list prefix 10 in ---- (i believe this shud filter out the 10.1.0.0/16 network- but i still see the route for 10.1.0.0/16 in the routing able of asa)


router ospf 20

net 2.1.1.2 0.0.0.0 a 0


can somebody please explain me where i am going wrong with this scenario.


waiting for reply.


thanks

kiri.


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