Re: [Idr] Mirja Kühlewind's No Objection on draft-ietf-idr-ix-bgp-route-server-11: (with COMMENT)
Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com> Wed, 15 June 2016 05:00 UTC
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References: <20160613132809.12486.44511.idtracker@ietfa.amsl.com> <575EB839.3050303@foobar.org> <0DE7AB8E-4CFD-44C5-898F-47F48B542599@kuehlewind.net> <575F2704.3050509@foobar.org> <CAKKJt-dUUyzR5M84hEK1vr9zUdbZx65cUyAbtcx4wP3GgRn2aw@mail.gmail.com> <3402d769-1683-5854-fdcb-295421a06f30@bogus.com>
From: Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>
Date: Wed, 15 Jun 2016 00:00:11 -0500
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To: joel jaeggli <joelja@bogus.com>
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Cc: idr@ietf.org, idr-chairs@ietf.org, "Mirja Kuehlewind (IETF)" <ietf@kuehlewind.net>, The IESG <iesg@ietf.org>, Susan Hares <shares@ndzh.com>, draft-ietf-idr-ix-bgp-route-server@ietf.org
Subject: Re: [Idr] Mirja Kühlewind's No Objection on draft-ietf-idr-ix-bgp-route-server-11: (with COMMENT)
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Joel, On Tue, Jun 14, 2016 at 11:29 PM, joel jaeggli <joelja@bogus.com> wrote: > On 6/14/16 9:19 PM, Spencer Dawkins at IETF wrote: > > Hi, Nick, > > > > On Mon, Jun 13, 2016 at 4:35 PM, Nick Hilliard <nick@foobar.org > > <mailto:nick@foobar.org>> wrote: > > > > Mirja Kuehlewind (IETF) wrote: > > > Great! Thanks! > > > > this is now changed as follows: > > > > > > > > https://github.com/fooelisa/draft-jasinska-ix-bgp-route-server/commit/5fd0508 > > > > Nick > > > > > > I had the same question as Mirja, but balloted No Objection because the > > discussion was already taking place in this thread. > > > > I've looked at > > > https://github.com/fooelisa/draft-jasinska-ix-bgp-route-server/commit/5fd0508 > , > > but I'm still confused. > > > > The document defines a route server as "not a router", because it > > doesn't forward packets - the text is > > > > Although a route server uses BGP to exchange reachability information > > with each of its clients, it does not forward traffic itself and is > > > > therefore not a router. > > > > If the route server does prepend its own AS number to the AS_PATH, won't > > it then receive packets that it can't forward? > > Nah, the AS path only counts for path selection. What matters as far as > forwarding goes is what the nexthop on the route is. > > In a normally functioning exchange the routeserver will never set itself > to be the nexthop of a learned so the nexthop route will remain the > originator of the route which is another router on the same (connected) > subnet. Since the router(s) peering with the route-server all have the > subnet/netmask configured on their connected interface, they can resolve > all of the nexthops learned from the routeserver via arp. > > > Can you help me understand what I'm missing here? > > Probably that does it. Thanks - it does. Spencer > > Thanks! > > > > Spencer > > >
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Nick Hilliard
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Nick Hilliard
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Marco Marzetti
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Robert Raszuk
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Niels Bakker
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Jeffrey Haas
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Mirja Kuehlewind (IETF)
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Christopher Morrow
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Marco Marzetti
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Spencer Dawkins at IETF
- Re: [Idr] Mirja Kühlewind's No Objection on draft… joel jaeggli
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Spencer Dawkins at IETF
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Robert Raszuk
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Marco Marzetti
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Nick Hilliard
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Christopher Morrow
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Nick Hilliard
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Nick Hilliard
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Nick Hilliard
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Robert Raszuk
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Christopher Morrow
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Christopher Morrow
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Randy Bush
- [Idr] Mirja Kühlewind's No Objection on draft-iet… Mirja Kuehlewind
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Nick Hilliard
- Re: [Idr] Mirja Kühlewind's No Objection on draft… Mirja Kuehlewind (IETF)