> On Tue, 23 Mar 1999, Tom wrote:
>
> > 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.
> >
>
> I see this same problem from a different perspective: In a PM-3/PM-2
> environment (both running OSPF) where the PM-3 is (PRI) inbound only and
> the PM-2 has ISDN lines. When you ask the PM-2 to make an outbound
> connection there is no way to prioritize which link the traffic flows on.
> In this case the outbound traffic goes via the PM-2 and the inbound traffic
> via the PM-3. Not very helpful when you've dialing a client router
> probably to troubleshoot a problem!
I don't understand how that could be caused by intra-area vs external 2
routes.
> Regards,
>
> Al Hopper Logical Approach Inc, Plano, TX. al@logical-approach.com
> Voice: 972-379-2133 Fax: 972-379-2134
>
Tom
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