[ntp:questions] help needed for ntpd ipv6 setup
Marc-Andre Alpers
m-a.alpers at web.de
Mon Nov 15 12:07:45 UTC 2010
Steve Kostecke wrote:
> Is the ipv6 module loaded?
IPv6 is build into the kernel.
> Do any of your network interfaces hae IPv6 addresses?
Yes, i can tracert IPv6 hosts.
traceroute to www.heise.de (2a02:2e0:3fe:100::7), 30 hops max, 40 byte packets
1 2001:41d0:2:1aff:ff:ff:ff:ff 7.345 ms * *
2 2001:41d0::792 16.711 ms * *
3 2001:7f8::3012:0:1 9.224 ms 9.153 ms 9.146 ms
4 2a02:2e0:1::1e 9.691 ms 9.586 ms 9.580 ms
5 2a02:2e0:3fe:100::7 9.964 ms 9.932 ms 9.852 ms
#
And i can reach my server via IPv6 on SSH and HTTP.
> Do you have IPv6 connectivity to your remote time servers?
I have ipv6.remco.org in my config. But NTP will connect with this server.
# ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
*213.251.128.249 .GPS. 1 u 10 64 377 0.538 -0.029 0.091
+192.87.106.2 .GPS. 1 u 9 64 377 11.162 2.495 0.158
+192.87.36.4 .GPS. 1 u 7 64 377 14.561 2.473 0.171
-193.67.79.202 .PPS. 1 u 5 64 377 13.194 -0.902 0.096
-193.79.237.14 .PPS. 1 u 2 64 377 12.219 -0.883 0.122
-80.127.4.179 .GPS. 1 u 5 64 377 22.266 4.001 0.179
2001:888:1031:: .INIT. 16 - - 64 0 0.000 0.000 0.000
#
But ntpdate works fine.
#ntpdate -q ipv6.remco.org
server 2001:888:1031::1, stratum 1, offset 0.002860, delay 0.05827
15 Nov 12:34:07 ntpdate[6869]: adjust time server 2001:888:1031::1 offset
0.002860 sec
#
Best regards
Marc-Andre Alpers
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