Re: OSPF route selection

Can you please send topology as well.

On Sun, Sep 26, 2010 at 3:52 AM, Charlie <magiccharlie_at_gmail.com> wrote:

> Hi all,
>
> Need some help with this OSPF LSA selection/preference issue.
>
> It seems basic, but I'm pulling my hair out on this one. :)
>
> I have routes coming from multiple sources. They are all inter-area
> routes and I see them listed as type 3 (Summary Net Link States) in
> the OSPF database.
>
> However, no matter how I manipulate the metric (cost), it prefers one
> of the routes. They have the same prefix length.
>
> Here's a snapshot from the database and you can see the routing bit is
> set on the route with the HIGHER metric!
>
>
> Summary Net Link States (Area 6)
>
> Routing Bit Set on this LSA
> LS age: 626
> Options: (No TOS-capability, DC, Upward)
> LS Type: Summary Links(Network)
> Link State ID: 192.168.1.100 (summary Network Number)
> Advertising Router: 192.168.1.1
> LS Seq Number: 80000001
> Checksum: 0xA1EB
> Length: 28
> Network Mask: /32
> TOS: 0 Metric: 65
>
> LS age: 3396
> Options: (No TOS-capability, DC, Upward)
> LS Type: Summary Links(Network)
> Link State ID: 192.168.1.100 (summary Network Number)
> Advertising Router: 192.168.1.2
> LS Seq Number: 80000002
> Checksum: 0x7E91
> Length: 28
> Network Mask: /32
> TOS: 0 Metric: 4
>
>
>
> Any ideas? Also, I'm testing it out on dynamips...so I haven't ruled
> that possibility out yet.
>
>
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Received on Sun Sep 26 2010 - 08:36:25 ART