[c-nsp] dueling OSPF routes

[Scott Keoseyan]

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Fedorov, Konstantin wrote:
> Hi,
> 
> Try change metric type to 2 on both of this routes.
> 
> Or just on route from OSPF process 2.
> 
> This is accomplished on routers which redistribute this external routes.
> 
> -----------------------
> Sincerely Yours,
> Konstantin Fedorov
> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Oliver Boehmer
> (oboehmer)
> Sent: Tuesday, November 14, 2006 9:44 AM
> To: Ed Ravin
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] dueling OSPF routes
> 
> cisco-nsp-bounces at puck.nether.net <> wrote on Tuesday, November 14, 2006
> 6:48 AM:
> 
>> I have a 7500-series router running IOS 12.something.S with two
>> OSPF processes, 1 and 2.  I am receiving the same route from both
>> processes.  I want to always prefer the route from OSPF 2 if it
>> exists. 
> 
> router ospf 2
>  distance 109
> 
> (or "distance 101" in ospf 1). OSPF's default distance is 110. 
> 
> When the RIP needs to discriminate between different processes (static,
> connected is a process in this context as well) presenting the same
> route, it uses the admin distance as the protocols' metric is not
> necessarily comparable..
> see http://www.cisco.com/warp/public/105/admin_distance.html
> 
> 	oli
> 
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> 
> 
> 
> _______________________________________________
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Actually... you might want to take a look at this from the puck archive
last January...

https://puck.nether.net/pipermail/cisco-nsp/2006-January/027678.html

"...OSPF does not do any OSPF route selection between processes (for
instance, OSPF metrics and route types are not taken into account, when
deciding the route of which process should be installed into the routing
table)."


- --
Scott A. Keoseyan (scott at labyrinth.org)
(704) 604-3381
Homepage : http://www.labyrinth.org/homepages/scott
Blogpage : http://www.labyrinth.org/wp1
PGP Keys : http://www.labyrinth.org/homepages/scott/pgp.html

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