[102354] in North American Network Operators' Group
Re: Repotting report
daemon@ATHENA.MIT.EDU (Christopher Morrow)
Wed Feb 6 00:36:52 2008
Date: Wed, 6 Feb 2008 00:31:46 -0500
From: "Christopher Morrow" <morrowc.lists@gmail.com>
To: "Mark Andrews" <Mark_Andrews@isc.org>
Cc: nanog@merit.edu
In-Reply-To: <200802060511.m165B723061565@drugs.dv.isc.org>
Errors-To: owner-nanog@merit.edu
On Feb 6, 2008 12:11 AM, Mark Andrews <Mark_Andrews@isc.org> wrote:
>> (from me)
> >How does a cache-resolver know that it's time to issue a query with edns0?
>
> cache-resolver that support EDNS0 will make EDNS0 queries
> by default. They will fallback to plain DNS if the query
> fails or they get a response that indicated the authoritative
> server doesn't support EDNS.
>
> BIND's been making EDNS0 queries for ~8 years now. If your
> cache-resolver doesn't support EDNS it is long past time to
> upgrade.
>
excellent, thanks! (as always). Any thoughts on the possible lack of
resilence from losing 9 server names/ips in the v4 to v6 move? (and I
realize that later most/all root boxes will have both addresses)
