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Date: Mon, 31 Mar 2008 16:04:15 +0900
From: Randy Bush <randy@psg.com>
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Cc: Garance A Drosihn <drosih@rpi.edu>, hubs@freebsd.org
Subject: Re: IPv6 and cvsup servers
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>> E.g:  "It looks like cvsup4.freebsd.org is refusing connections
>>        on ipv6 despite it having an AAAA record."
>>
>> Is this expected?
> 
> Yes; for now.

then perhaps that particular name should not have a AAAA rr?

> Because the mirror *.freebsd.org hostnames are in fact CNAME's; in
> cvsup4's case it's pointed to freebsd.isc.org, which has the A & AAAA
> records, and we do offer IPv6 for www5 and ftp4.

ahhh.  then perhaps cvsup4 should not be a cname for the nonce?
assuming ipv4 fallback turns out to be a bit optimistic i fear. :(

randy