Bug#289267: [pkg-ntp-maintainers] Bug#289267: [debian-ntp] Bug#289267: ntp: NTP on ifup

[Kurt Roeckx]

On Mon, Dec 11, 2006 at 12:32:52PM +0100, Tore Anderson wrote:
> * Ingo Oeser
> 
> > The proposed solution of using /etc/networking/if-up.d/ works
> > without any problem for most of your users. Actually unbuntu
> > "Dapper Drake" is just doing it this way and I never had any problems.
> > We fixed it for our customers the same way.
> 
>   This is scary.  I just had a rather unpleasant experience with this
>  behaviour on a router box here.  Time was a little bit out of sync,
>  upped an interface, and then the time was stepped, something that made
>  OSPF die in horror as it can't quite cope with the situation where
>  time goes backwards (no wonder).

Can I suggest you run ntpd with the -x option in that case?

Both ntpdate and ntpd will by default slew the time if it's smaller the
< 128 ms, and step when it's bigger.


Kurt