[c-nsp] OSPF point-to-point vs dr/bdr

[sthaug at nethelp.no]

> > These are all good points, and makes me wonder - if it's *known* that an
> > Ethernet link will be used as a point to point link between two routers,
> > why doesn't everybody configure it explicitly as a point to point link?
> > I know we always do...
>
> The benefit/cost ratio is low. You aren't saving much be eliminating DR/BDR 
> election, and it's just one more unnecessary tweak to keep track of. IMHO.

Funny, we look at it exactly the opposite way. We're a service provider,
and a large majority of the Ethernet links where we run an IGP are point
to point links. So we have the point to point configuration as part of
our standard config template, nothing extra to keep track of.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no