Re: distance command under ospf

Distance should work with any routes in ospf.

Sent from handheld.

On May 17, 2009, at 6:59 PM, "Chris Breece" <cbreece1_at_gmail.com> wrote:

> Guys,
>
> I was working on a scenario today and got some results I wasn't
> expecting. I
> didn't save my exact configs, but I put together the basics of how
> it was
> setup below. If there are any typos, sorry, I did it in notepad.
>
>
> R1
> router ospf 1
> network 10.10.10.1 0.0.0.0 area 0
> redis connected route-map redis-connected metric 10 metric-type 1
> subnets
> !
> interface fa0/0
> ip address 10.10.10.1 255.255.255.0
> !
> interface fa0/1
> ip address 192.168.0.1 255.255.255.0
> !
> route-map redis-connected permit 10
> match interface fa0/1
>
>
> R2
> router ospf 1
> network 10.10.10.2 0.0.0.0 area 0
> distance 180 10.10.10.0 0.0.0.255 external-routes
> !
> int fa0/0
> ip address 10.10.10.2 255.255.255.0
> !
> ip access-list standard external-routes
> permit 192.168.0.0 0.0.0.255
>
>
> The scenario was that I wanted any routes learned by R2 from R1 that
> were
> "external" to have an AD of 180. The two routers are connected via
> their
> Fa0/0 interfaces. R1's Fa0/1 has the subnet that will be brought
> into OSPF
> as an external... and I was attempting to match this route via the
> access-list attached to the distance command under the OSPF process
> on R2.
>
> After I set this up, I looked at R2's routing table and R2 had
> learned it
> via OSPF with an AD of 110. If I changed the 192.168.0.0/24 subnet
> to be
> apart of Area 0, rather than an external it changed the AD to 180.
>
> Also, when I used "distance ospf external 180" this worked fine.
> However, it
> messed up some other requirements in the scenario, so I couldn't use
> it.
>
>
> Is this behavior normal? Does the "distance" command not work with
> externals? Or is it that I was probably just doing something wrong
> elsewhere?
>
> Chris
>
>
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Received on Sun May 17 2009 - 19:51:08 ART