Well imagine I am building DMZ with two gateways and a firewall connected to L2 switch. I run IGP between them so my iBGP next hops can resolve.
Later I may perhaps add third and fourth gateway. I can not normally set it as p2p IGP day one, but it could operate fine for the first few years as such. Thx, R. On Wed, Apr 3, 2019 at 8:10 PM Les Ginsberg (ginsberg) <ginsb...@cisco.com> wrote: > > > If you want a way to more easily enable P2P mode by default – speak to > your favorite vendor. That is a feature – not a protocol extension. > > > > Completely disagree. To detect how many IGP peers are on the interface > and to do the switchover gracefully between 2 vs N or N vs 2 protocol > extension is needed. It is not a single side local hack. > > > > *[Les:] You are saying that customers today need to deploy circuits on > which they are uncertain whether they will connect two nodes or more than > two nodes?* > > *This is the first I have heard of such a requirement.* > > > > *If this really is a deployment requirement then such an extension could > be considered. But since the extension isn’t trivial and isn’t backwards > compatible I would not take this on without justification.* > > *Be interested to hear if anyone else on the deployment side of things > believes this is needed.* > > > > * Les* > > > > Thx, > > R. > > > _______________________________________________ > Lsr mailing list > Lsr@ietf.org > https://www.ietf.org/mailman/listinfo/lsr >
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