From: Joseph Eleazar (joseph_eleazar@hotmail.com)
Date: Sun Nov 27 2005 - 06:46:45 GMT-3
Hi Zukque,
I just happened to be finishing this similar scenario. You use the summary
address command to summarize routes external to OSPF and you would use the
area # range to summarize routes internal to OSPF.
This is what I was working on and the results:
(static routes, loopbacks not in ospf)---R1---(area1 NSSA)---R2---(area
0)---R5---(area 2)---R6
1 - on R1 I redistributed static routes and loopbacks into ospf
2 - R2 sees those redistributed routes as N2, R5 and R6 see those same
routes as E2
3 - on R2 I used summary-address <summary network> <summary mask> command
for as many summary addresses I needed to make
4 - R2 will now show the individual redistributed routes as N2 along with
the summary route to Null0 as an internal area route.
5 - R5 and R6 will now only see the summary routes as type E2.
>From: Zukque <zukque@gmail.com>
>Reply-To: Zukque <zukque@gmail.com>
>To: Cisco certification <ccielab@groupstudy.com>
>Subject: OSPF N2 Filtering
>Date: Sun, 27 Nov 2005 04:45:28 -0400
>
>Hi,
>
>I have this topology
>
>
>Statics (Router M ) ==Area 4 (NSSA)== (Router A ASBR) ==== A0 ===== (Router
>B)
>
>Router M is redistributing all statics, and I need to summarize the routes
>at Router A, is there any way to acommplish this?
>I tried summary-address, area range with no luck
>any suggestion??...
>I was think in creating 2 OSPF processes also in Router A and
>redistributing
>between them (just the internals), but this is a to hard solution for a
>production network
>Thanks for the recommendation
>
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