From: Jaeheon Yoo (kghost@xxxxxxxxxxxx)
Date: Thu Feb 07 2002 - 13:08:08 GMT-3
Sherry,
Well, I didn't notice what you posted is from my own posting last year!
I'm quite embarassed. At first I was happy to see someone who have the same con
fusion about that ASBR.
But ....
Anyway, I hope you will get any help from my updated understanding.
Jaeheon,
(Sorry for this off-topic posting)
----- Original Message -----
From: "sherry huies" <cholscurry@yahoo.co.kr>
To: <ccielab@groupstudy.com>
Sent: Thursday, February 07, 2002 10:43 PM
Subject: Choosing among multiple intra-area ASBR routers
>
> Hi, all
> According to rfc2328. p.175, when we have multiple
> intra-area paths to ASBR,
> a intra-area path using non-backbone area should be
> chosen over one using
> backbone area.
> But I always have opposite result. doesn't Cisco's
> implementation yet
> conform to rfc2328 in this respect?
>
> Here's from my cisco 2501 router.
>
> r2#sh ip ospf data
> -------------------------------------------------omitted
> Type-5 AS External Link States
>
> Link ID ADV Router Age Seq#
> Checksum Tag
> 131.108.0.0 192.168.40.3 324 0x80000003
> 0xE930 0
> r2#
> r2#sh ip ospf border
>
> OSPF Process 10 internal Routing Table
>
> Codes: i - Intra-area route, I - Inter-area route
>
> i 192.168.40.3 [74] via 172.16.2.2, Serial0, ABR/ASBR,
> Area 0, SPF 7
> i 192.168.40.3 [1562] via 172.16.30.33, Serial1,
> ABR/ASBR, Area 6, SPF 5
>
> r2#sh ip route
> -----------------omitted
> O E2 131.108.0.0/16 [110/20] via 172.16.2.2, 00:03:38,
> Serial0
> r2#
>
> Could somebody explain this to me?
> Thanks in advance.
>
>
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