[ntpwg] [dhcwg] Re: Network Time Protocol (NTP) Optionsfor DHCPv6

[David L. Mills]

Danny,

FYI, in the current implementation it is possible to send configuration 
commands in file syntax from ntpq (mode 6). This is preferred as the 
commands and responses are in human readable ASCII. This is what 
prompted my suggestion that the DFCP NTP response could well be in the 
form or a preprogrammed mode-6 command and could be some other ASCII 
string if something other than current NTP is involved.

Dave

Danny Mayer wrote:

> Ted Lemon wrote:
>
>> On Nov 25, 2007, at 6:09 PM, Mark Andrews wrote:
>>
>>> I would think that this should be a push operation from the dhcp
>>> client rather than a pull operation.
>>
>> Sure, but it amounts to the same thing. This is trivial to do with
>> the ISC DHCP client (which I presume is the one you use). It's also
>> trivial to do on Linux with dbus. Mac OS X and Windows handle it
>> differently still, but they already have mechanisms in place for doing
>> this. So the point is that if the will exists to make it happen,
>> it's trivial to make it happen.
>
>
> It's trivial to send a private mode 7 NTP packet (along with an
> appropriate password) to the reference implementation of ntpd telling it
> to add or remove a server from its list of servers to use. As far as I
> know only ntpdc does this currently and it's not a DHC client.
>
> Danny
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