Re: [v6ops] IPv6-Only Preferred DHCPv4 option
Jen Linkova <furry13@gmail.com> Mon, 09 December 2019 00:01 UTC
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From: Jen Linkova <furry13@gmail.com>
Date: Mon, 09 Dec 2019 11:01:08 +1100
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To: Ted Lemon <mellon@fugue.com>
Cc: Philip Homburg <pch-v6ops-9@u-1.phicoh.com>, V6 Ops List <v6ops@ietf.org>
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Subject: Re: [v6ops] IPv6-Only Preferred DHCPv4 option
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On Sat, Dec 7, 2019 at 1:31 AM Ted Lemon <mellon@fugue.com> wrote: > I really feel like there is some point-missing going on here. It is trivial to make this feature only activate for clients that support it. If that is done, then there is no reason to assign an address at all. The offer doesn’t even need to include that option. So any discussion of what address to send is irrelevant and unnecessary. The goal is that whatever the server does, it should be able to distinguish it from any failure scenarios and stop asking. That's the reason why we are not suggesting that the server should just ignore requests from the clients if the clients sends the option. The positive signal 'I understand the option and this network is offering IPv6-only service'. Is there any way to do it w/o sending an OFFER back? > > > On Dec 6, 2019, at 06:10, Philip Homburg <pch-v6ops-9@u-1.phicoh.com> wrote: > > > > > >> > >> "number of IPv4 addresses in the pool" comes to mind. > >> > >> Like, 80% of all hosts are fine with IPv6+NAT64, so why provision a large > >> enough subnet to cover 100% of all expected hosts if 20% will do? > >> > >> IPv4 seems to be somewhat in short supply these days. > > > > With a few exceptions, just about any DHCP pool I come across these > > days is using RFC 1918. > > > > Are you running out of RFC 1918 addresses in your pool? Or is the setup > > that you give publicly routable IPv4 addresses to all dual stack hosts > > and want to only put hosts that support NAT64 behind NAT? > > > > In that case, what's the rational for providing dual stack hosts with public > > IPv4 addresses? > > > > > > _______________________________________________ > > v6ops mailing list > > v6ops@ietf.org > > https://www.ietf.org/mailman/listinfo/v6ops > > _______________________________________________ > v6ops mailing list > v6ops@ietf.org > https://www.ietf.org/mailman/listinfo/v6ops -- SY, Jen Linkova aka Furry
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Philip Homburg
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… mohamed.boucadair
- [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bjørn Mork
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Tommy Pauly
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lencse Gábor
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Ted Lemon
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… mohamed.boucadair
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Michael Richardson
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Brian E Carpenter
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Nick Hilliard
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Fred Baker
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Fernando Gont
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Mark Smith
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… David Farmer
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… David Farmer
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Mark Smith
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Mark Smith
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Fernando Gont
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Alexandre Petrescu
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… mohamed.boucadair
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Philip Homburg
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Philip Homburg
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… mohamed.boucadair
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bjørn Mork
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… mohamed.boucadair
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Michael Richardson
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Michael Richardson
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Ted Lemon
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Roy Marples
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Simon Hobson
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Mark Smith
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Mark Smith
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Mark Smith
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… mohamed.boucadair
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Philip Homburg
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Philip Homburg
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… mohamed.boucadair
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Gert Doering
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Philip Homburg
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Gert Doering
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bernie Volz (volz)
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Philip Homburg
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Bernie Volz (volz)
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Michael Richardson
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Simon Hobson
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Mark Smith
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bernie Volz (volz)
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Fred Baker
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Gábor LENCSE
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Lorenzo Colitti
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Bernie Volz (volz)
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Tomek Mrugalski
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Tomek Mrugalski
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Tomek Mrugalski
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Ted Lemon
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Tomek Mrugalski
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Ted Lemon
- Re: [v6ops] IPv6-Only Preferred DHCPv4 option Jen Linkova
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Tomek Mrugalski
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Tomek Mrugalski
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Lorenzo Colitti
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… STARK, BARBARA H
- Re: [v6ops] [dhcwg] IPv6-Only Preferred DHCPv4 op… Ted Lemon