[ntp:questions] Testing IPv6 code
Dan Geist
dan at polter.net
Tue Jan 17 15:39:30 UTC 2017
Robert, that host doesn't look to have a v6 record:
[dan at shell ~]$ host time-d.nist.gov
time-d.nist.gov has address 129.6.15.27
Obviously, you're getting the ipv4 address correctly, though.
Here's a good primer on IPv6 application porting:
http://long.ccaba.upc.edu/long/045Guidelines/eva/ipv6.html
Dan
----- Original Message -----
> From: "Robert Scott" <no-one at notreal.invalid>
> To: "questions" <questions at lists.ntp.org>
> Sent: Tuesday, January 17, 2017 10:25:17 AM
> Subject: Re: [ntp:questions] Testing IPv6 code
> Perhaps the problem is with my understanding of socket coding. I
> found "time-d.nist.gov" that is supposed to have an IPv6 address of
> 2610:20:6F15:15::27, but when I get its address info, it always says
> IPv4, 129:6:15:27. I see the 15 and 27, so there is some translation
> going on that I don't understand. My getaddrinfo is apparently
> returning the IPv4 mapped equivalent. Does anyone know how to force
> just IPv6 addresses?
>
> -Robert Scott
> Hopkins, MN
>
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--
Dan Geist dan(@)polter.net
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