[ntp:questions] Does an IPV6 address work with NTPD?
Harlan Stenn
stenn at ntp.org
Thu Nov 27 22:19:58 UTC 2014
"Charles Elliott" writes:
> The U.S. Government (NIST) has a new time server (time-d.nist.gov)
> whose address is 2610:20:6F15:15::27. When I put that address into
> ntp.conf the Meinberg Time Server Monitor indicates "Unknown clock
> type" in the Type column and Reach remains 000. However, when
> 2610:20:6F15:15::27 is pinged the return is "General failure".
>
> (Dr.) Judah Levine, Time and Frequency Division, NIST Boulder, says
> 2610:20:6F15:15::27 works as far as he can tell. So, do IPV6 addresses
> result in anything useful when used in NTPD?
Works for me:
stenn at psp-fb1> sntp 2610:20:6F15:15::27
27 Nov 22:14:24 sntp[23486]: Started sntp
2014-11-27 22:14:24.982440 (+0000) +0.00180 +/- 0.010162 secs
stenn at psp-fb1>
and we use IPv6 in general:
stenn at psp-fb1> ntpq -p psp2
remote refid st t when poll reach delay offset
jitter
==============================================================================
ff05::101 .ACST. 16 u - 64 0 0.000 0.000
0.001
*149.20.68.1 216.218.254.202 2 u 1010 1024 377 0.151 -0.698
0.500
lists.ntp.org 149.20.68.1 3 u 117 1024 377 0.226 -0.593
0.591
mail1.ntp.org 149.20.68.1 3 u 657 1024 377 0.339 -0.431
0.516
2001:4f8:fff7:1 149.20.68.1 3 u 373 1024 377 0.341 -0.574
0.586
ns1.ntp.org 149.20.68.1 3 u 382 1024 377 0.321 -0.425
0.476
psp3.ntp.org 149.20.68.1 3 u 897 1024 377 0.363 -0.401
0.532
fe80::225:90ff: 149.20.68.1 3 u 98 1024 377 5.061 -2.941
0.389
2001:4f8:fff7:1 149.20.68.1 3 u 266 1024 377 0.174 -0.478
0.132
stenn at psp-fb1>
H
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