Re: (PM) OSPF: static IPs and external type 2 / intra area route

Tom (tom@sdf.com)
Tue, 23 Mar 1999 21:09:14 -0800 (PST)

On 23 Mar 1999, Miquel van Smoorenburg wrote:

> I have a POP with 12 portmasters in it and I want to put those portmasters
> in a seperate OSPF area (they're in area 0 right now), so I can summarize
> the addresses at the border router (ABR).
>
> The border router is a Cisco 7200, and it can only summarize intra-area
> routes which makes sense. The IP pools of the portmasters are advertized
> as intra-area routes, so that's OK.
>
> However for customers who have a static IP number I see their route
> announced as an "external type 2" - so I can't summarize on that yet
> I'd like to.
>
> I've actually set the range of the OSPF area on the PM3s to include
> the range from which static IPs are assigned, that should have done
> the trick. But the routes still get announced as external type 2, and
> not as intra-area.
>
> Is this a known problem? Is there a workaround? Am I doing something
> wrong ?

It is a known problem. All statically assigned addresses or routes are
always proprogated as external type 2 routes. It too found this very
annoying. I had assuming they would act the same way as dynamically
assigned addresses (which automatically become intra-area if they fall in
the range).

I currently have a open case at Lucent about this. It took about 3
different staff before I talked to someone who even knew the difference
between intra-area and external 2 routes. I will forward your message on,
and perhaps they will contact you to gather intput as well.

> Mike.
> --
> Indifference will certainly be the downfall of mankind, but who cares?
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