Re: Looking for information on IGP choices in dual-stack networks

[Christopher Morrow <morrowc.lists () gmail com>]

On Tue, Jun 9, 2015 at 4:36 PM, Joe Abley <jabley () hopcount ca> wrote:
> On 9 Jun 2015, at 16:23, Christopher Morrow wrote:
>
> > On Tue, Jun 9, 2015 at 3:21 PM, Randy Bush <randy () psg com> wrote:
> > > > If you have a production dual-stack network, then we would like to know
> > > > which IGP you use to route IPv4 and which you use to route IPv6.
> > >
> > > in one network, both ospfs.  in another is-is.  i recommend the latter.
> > >
> > > > We would also like to know roughly how many routers are running this
> > > > combination.
> >
> > why is the question /routers/ and not /networks/ ?
>
> Routers makes more sense to me than networks (IGP, so one network, right?)

that confuses me, the logic I mean...

I suppose in a single network I'd expect to see one igp for an address
family (ospf or ospfv3). Not "eastcoast devices do ospf (stodgy
bastards!) and westcoast goes isis!"