Re: DHCPv6 - does it have gateway option
Ralph Droms <rdroms@cisco.com> Tue, 18 September 2007 14:36 UTC
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From: Ralph Droms <rdroms@cisco.com>
Date: Tue, 18 Sep 2007 10:35:59 -0400
To: "Leino, Tammy" <tammy_leino@mentor.com>
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Cc: Iljitsch van Beijnum <iljitsch@muada.com>, ipv6@ietf.org, Bill Manning <bmanning@ISI.EDU>
Subject: Re: DHCPv6 - does it have gateway option
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Well...I have to respectfully disagree about the reasoning behind the decision. There is no IPv6 default router option in DHCPv6 because that information is given to hosts in RAs. The assumption is that, if there is a router willing to act as a default router on a link, it's presence will be announced through RAs. A host that receives no RAs can infer that there is no default router (which is a deployment scenario the dhc WG certainly understands and can imagine encountering in practice); if the host receives configuration from DHCPv6 in this scenario, there is no need for a default router option. - Ralph On Sep 18, 2007, at Sep 18, 2007,9:18 AM, Leino, Tammy wrote: > I had this same discussion with the DHCP working group a few weeks > back. > The end result was that there should always be an IPv6 router on-link > configured to transmit RAs. They could not fathom why an IPv6 network > would not have an IPv6 router on-link. That is why there is > intentionally no DHCPv6 option for distributing the gateway. > > Best Regards, > Tammy > > > > > -----Original Message----- > From: Iljitsch van Beijnum [mailto:iljitsch@muada.com] > Sent: Tuesday, September 18, 2007 9:11 AM > To: Bill Manning > Cc: ipv6@ietf.org > Subject: Re: DHCPv6 - does it have gateway option > > > On 18-sep-2007, at 8:02, Bill Manning wrote: > >> presume the absense of a router. > > It almost seems like the DHCPv6 designers did... > > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > ipv6@ietf.org > Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- > > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > ipv6@ietf.org > Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
- DHCPv6 - does it have gateway option Anjali Gajendragadkar
- Re: DHCPv6 - does it have gateway option John Jason Brzozowski
- Re: DHCPv6 - does it have gateway option Bill Manning
- RE: DHCPv6 - does it have gateway option Bernie Volz (volz)
- Re: DHCPv6 - does it have gateway option Mark Smith
- Re: DHCPv6 - does it have gateway option Iljitsch van Beijnum
- RE: DHCPv6 - does it have gateway option Leino, Tammy
- Re: DHCPv6 - does it have gateway option Ralph Droms