From: Tshon (tshon@xxxxxxxxxxx)
Date: Wed Mar 13 2002 - 03:51:43 GMT-3
I'm sorry are you attempting to redistribut in both directions. So, the
problem you are having is that you redistribut the ospf area 1
into IGRP but you must now redistribut the IGRP into OSPF and block the
route sent into IGRP from coming back into OSPF.
ying chang wrote:
> Which IOS version you are running? Just curious. From your topology,
> R3 is ASBR, R4 is ABR. area range command is used in ABR; for ASBR you
> will need to use summary-address command. My understanding is ASBR
> will take the foreign protocol's routes and summarize them into OSPF,
> while ABR can go either way - from area 0 to non backbone area or vice
> versa. I'm suprised that R5 could see the summarized route. Can you
> give us your configs and output from "show ip route" from R3, R4 and
> R5, "show ip ospf database", "debug ip igrp trans" from R3?
>
> If I'm to do this, I would create an additional loopback address on R3
> and redistribute connected/ospf and summarize it to /24 for igrp. area
> range on R4 can summarize it to /24, but the summarize route is going
> into area 0, which won't help us put the route into igrp.
>
> Thanks,
> Chang
>
>> From: EdmondsSG@aol.com
>> Reply-To: EdmondsSG@aol.com
>> To: ccielab@groupstudy.com
>> Subject: the brain has left the building - OSPF area range -
>> strange stuff
>> Date: Tue, 12 Mar 2002 16:33:59 EST
>>
>> guys and gals,
>>
>> I'm getting bogged down with the area range command in ospf:
>>
>> the scene..
>> R5
>> | igrp
>> |
>> R3 ------|area1 /29 mask
>> |
>> R4------R2
>> area 0
>>
>> the link between r3 and r4 is a frame cloud.
>> when i configure the area 1 range xxx.xxx.xxx.0 255.255.255 on R3 to
>> get the
>> /29 into R'5' routing table - it works. But on R4 I see the
>> xxx.xxx.xxx.0/29
>> as connected route (fine so far..), but also see the xxx.xxx.xxx.0/24
>> route
>> as reachable via R3 !!
>>
>> split horizon is on the interfaces but i seem to be getting some sort of
>> "feedback"
>> ......or is this normal behaviour?
>>
>> any ideas before I go potty!!!
>>
>>
>> thanks in advance
>>
>> si
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