[ntp:questions] ipv6 linklocal address support

Danny Mayer mayer at ntp.isc.org
Fri Aug 10 12:41:19 UTC 2007


keisuke_fukushima at kyoceramita.co.jp wrote:
> Hello,
> 
> I want to connect my local ntp server which is ipv6 linklocal address.
> 
> 1.download ntp-4.2.4p3
> 2.execute ntpdate command
>   (ntpdate fe80::xx:xx:xx)
>     -> ntpdate command failed to connect server,
>        "no server suitable for synchronization found" message was shown.
> 
>  #if i tryed to connect my local ntp server which is ipv6 global unicast 
> address, ntpdate command succeeded.
> 
> ntpdate command supports IPv6 linklocal address?
> 

ntpdate is deprecated so there is no guarantees at all that it works
with link-local IPv6 addresses. I'm not sure why it wouldn't unless the
server is dropping ntp packets on the link-local address which it
shouldn't. Can you use ntpq -p fe80::... on that address and does it
succeed?

Danny

> 
> thanks
> 
> Keisuke Fukushima



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