[ntp:questions] ✘interface/nic

Gary E. Miller gem at rellim.com
Mon Apr 3 21:54:50 UTC 2017

Yo Marco!

On Mon, 3 Apr 2017 17:12:50 +0200
Marco Marongiu <brontolinux at gmail.com> wrote:

> On 31/03/17 22:39, Gary E. Miller wrote:
> > Quick question, does anyone use either of these in ntp.conf?
> > 
> > interface[listen | ignore | drop] [all | ipv4 | ipv6 | wildcard |
> > name | address[/prefixlen]] nic[listen | ignore | drop] [all | ipv4
> > | ipv6 | wildcard | name | address[/prefixlen]]
> > 
> > If so, how and why?  Is 'name' the name of the interface?  
> I used interface ignore and then bound ntpd to specific interfaces on
> LVS servers. This was because virtual interfaces were continuously
> created and destroyed on those servers, ntpd had to continuosly run
> after the change and sometimes it got... "confused" and eventually
> stopped serving time.

Interesting.  That is new data.  Maybe file a bug?

> Since I wanted the service to be provided only on specific addresses,
> I forced ntpd to ignore all interfaces but the loopback and the ones
> where those addresses were bound to.

Yeah, I get the address thing, but using nic/interface as a workaround
to a bug in enlightening.

> Hope this helps. Why do you want to know exactly?

A friend of mine has been looking at the code and scratching his head
about it.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588

	    Veritas liberabit vos. -- Quid est veritas?
    "If you can’t measure it, you can’t improve it." - Lord Kelvin
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