We use IS-IS dual-stack in the core, and OSPFv2+OSPFv3 in the datacenters. Roughly 100 routers in the IS-IS core, and less than 2000 routers in the OSPFv2+OSPFv3 datacenters.
Matt On Tue, Jun 9, 2015 at 5:59 PM, Victor Kuarsingh <vic...@jvknet.com> wrote: > > I/we (Philip and I) attempted to keep the question as generic as possible, > allowing folks to state the IGPs they use, in whichever combination or in > some cases (as we can see), more complex deployments. > > I would agree with statements form Joel earlier with respect to cases where > early vendor support may have influenced some network zones (inside a given > AS) to support a different IGP (his case of OSPFv3 for devices which lacked > IS-IS support is one I did face a few years back as well in the DC with > respect to Load balancing and Firewall devices). > > The merger one was a new one for me, but it seems to reflect some peoples > reality. > > > regards, > > Victor K > > > > > On 2015-06-09 7:41 PM, Joe Abley wrote: >> >> Hi Randy, >> >> On Jun 9, 2015, at 18:08, Randy Bush <ra...@psg.com> wrote: >> >>>> Routers makes more sense to me than networks (IGP, so one network, >>>> right?) >>> >>> so you are thinking of a network where half the routers run is-is one >>> quarter ospf/ospfv2 and one quarter ospf/ripv3. right. >> >> No, not at all. I thought Victor was asking "what IGP" and "how many >> routers use it in your network". I assumed he was interested in >> whether the size of the network influenced the IGP choice. >> >> Perhaps I misunderstood, because apparently I was the only one who >> read it that way. >> >> >> Joe > >
