nanog mailing list archives
Re: DHCPv6, was: Re: IPv6 Finally gets off the ground
From: "Stephen Sprunk" <stephen () sprunk org>
Date: Mon, 16 Apr 2007 18:21:20 -0500
Thus spake "Jeroen Massar" <jeroen () unfix org>
Fred Heutte wrote: > I spent a couple hours in a hotel recently trying to untangle why > using the DSL system I could see the net but couldn't get to any > sites other than a few I tried at random like the BBC, Yahoo > and Google. > > That's because they are among the few that apparently have > IPv6 enabled web systems. They don't have "IPv6 enabled web systems", a lot of people wished that they did. What your problem most likely was, was a broken DNS server, which, when queried for an AAAA simply doesn't respond.
In fact, it's one particular vendor (whose name I haven't been able to discover) of pay-for-Internet transparent proxy/NAT devices, such as those commonly used in hotels and at hotspots, that's messing the whole thing up. They return an address of 0.0.0.1 in response to any DNS query from an IPv6-capable client, and they've decided to train their service providers' tech support departments to tell customers to turn off v6 rather than fix what should be a very simple bug.
(Granted that's a passable workaround for a few months while a vendor prepares a patch, but this issue has been around for _years_.)
I know it is always fun to blame M$ but really it isn't true.
Agreed. MS is sending a proper query, and every other DNS server on the face of the planet responds correctly. There are a few random apps that still bomb when both ends have IPv6 and there's only a v4 path between them (though most have been fixed over the last few years), but the OS is working correctly.
S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a great annoyance to those of us who do."K5SSS --Isaac Asimov
Current thread:
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Fred Heutte (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Jeroen Massar (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Stephen Sprunk (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Chris L. Morrow (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Jeroen Massar (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Stephen Sprunk (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Jeroen Massar (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Paul Vixie (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Iljitsch van Beijnum (Apr 16)
- (very few) AAAA websites, was: Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Carlos Friacas (Apr 17)
- RE: (very few) AAAA websites, was: Re: DHCPv6, was: Re: IPv6 Finally gets off the ground michael.dillon (Apr 17)
- Re: (very few) AAAA websites Niels Bakker (Apr 17)
- Re: (very few) AAAA websites Jared Mauch (Apr 17)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Stephen Sprunk (Apr 16)
- Re: DHCPv6, was: Re: IPv6 Finally gets off the ground Jeroen Massar (Apr 16)