[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.

RGDS
GARY
---------------------------------------------------------------------------
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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