[c-nsp] ospf network type

[Peter Rathlev]

On Sat, 2008-10-25 at 23:23 -0700, Bruce Pinsky wrote:
> Brian Spade wrote:
> > If the link goes down, the missing ethernet keepalive should signal a
> > topology change before the dead timer interval expires.  Therefore, I'm
> > not clear on how the difference in hello timers would impact convergence. 
> 
> It's not about the hello timers, it's about eliminating the DR/BDR election.

And it simplifies the SPF graph, so for large networks the routers spend
less time calculating the results.

If you're using Ethernet as point-to-point, and you'll only ever have
two routers on a segment, the links should be marked "point-to-point"
for any SPF algorithm.

Regards,
Peter