nanog mailing list archives
Re: IPv6 routing /48s
From: Michael Sinatra <michael () rancid berkeley edu>
Date: Tue, 18 Nov 2008 14:24:27 -0800
On 11/18/08 9:59 AM, Jeroen Massar wrote:
Michael Sinatra wrote:On 11/18/08 9:26 AM, Christopher Morrow wrote:On Mon, Nov 17, 2008 at 9:02 PM, Nathan Ward <nanog () daork net> wrote:I wish them good luck in reaching the DNS root servers. They are in "critical infrastructure" space, which is a single /32 withtraceroute6 to the ISC's v6 allocation(s) for f-root ... (from inside 701) oh, not working... traceroute6 to ipv6.google.com from inside 701, oh... not working either. vzb's v6 table is far from complete :( which is pretty painful.And it just reinforces the fear that people have against putting AAAA records in DNS for their publicly-accessible resources, especially www.Having no route is not a problem, you should get a destination unreachable directly and all is fine because IPv4 should be used as a fallback.
Not all routers send dest unreachable (yes they should). Not all firewalls pass it. And, worst of all, we have even seen OSes that don't pay any attention to dest unreachables and just wait for timeouts. :(
Fortunately those latter edge cases seem to be getting fixed, but YMMV. michael
Current thread:
- Re: IPv6 routing /48s, (continued)
- Re: IPv6 routing /48s Frank Habicht (Nov 18)
- Re: IPv6 routing /48s Nathan Ward (Nov 17)
- Re: IPv6 routing /48s Joe Maimon (Nov 18)
- Re: IPv6 routing /48s Christopher Morrow (Nov 18)
- Re: IPv6 routing /48s Michael Sinatra (Nov 18)
- Re: IPv6 routing /48s Joel Jaeggli (Nov 18)
- Re: IPv6 routing /48s Christopher Morrow (Nov 18)
- Re: IPv6 routing /48s Jack Bates (Nov 18)
- Re: IPv6 routing /48s Jeroen Massar (Nov 18)
- Re: IPv6 routing /48s Perry Lorier (Nov 18)
- Re: IPv6 routing /48s Michael Sinatra (Nov 18)
- Re: IPv6 routing /48s Florian Weimer (Nov 19)
- Re: IPv6 routing /48s Nathan Ward (Nov 19)
- Re: IPv6 routing /48s Mohacsi Janos (Nov 20)
- Re: IPv6 routing /48s Florian Weimer (Nov 21)
- Re: IPv6 routing /48s Jack Bates (Nov 21)
- RE: IPv6 routing /48s Tony Hain (Nov 25)
- Re: IPv6 routing /48s Niels Bakker (Nov 25)
- Re: IPv6 routing /48s Mark Andrews (Nov 25)
- Re: IPv6 routing /48s Niels Bakker (Nov 25)
- Re: IPv6 routing /48s Mark Andrews (Nov 25)