[c-nsp] OT: NTP windows servers

[Scott Voll]

TTL is 1 hour......... this lasted over 2 weeks before we changed from FQDN
to IP.  which corrected the problem.

On Thu, Mar 26, 2015 at 8:20 AM, Chuck Church <chuckchurch at gmail.com> wrote:

> What was the TTL of the DNS entry?  I'm assuming windows DNS respects TTLs
> and re-polls when it expires?
>
> Chuck
>
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Scott Voll
> Sent: Thursday, March 26, 2015 10:44 AM
> To: Eric Louie
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] OT: NTP windows servers
>
> we ended up changing the NTP FQDN to the IP and restarted services and it
> fixed it.  It's like the FQDN only gets resolved once and never again.  So
> after changing it to the IP I'm guessing I could change back to the FQDN.
>  we were just hoping that changing the DNS was going to fix it.
>
> Scott
>
> On Wed, Mar 25, 2015 at 4:50 PM, Eric Louie <elouie at techintegrity.com>
> wrote:
>
> > restarting the NTP service might fix the problem, although if I'm
> > reading this right, you restarted the Windows Servers after changing the
> NTP source.
> >
> > I'm assuming that you changed the C:\Program Files
> > (x86)\NTP\etc\ntp.conf file to use the new address AND removed the old
> > one.  Directions from there are to stop and start the NTP service.
> >
> >
> >
> > On Mon, Mar 16, 2015 at 12:54 PM, Scott Voll <svoll.voip at gmail.com>
> wrote:
> >
> >> I am migrating NTP from one router to another (and changing IP
> addresses).
> >>
> >> All our servers were pointing to the old router for NTP.
> >>
> >> I have changed the NTP source on those servers to the new one.
> >> restarted and if I log an ACL for NTP, I'm still seeing the servers
> >> connect to the old router.  Any ideas on how to fix that?  I'm not a
> windows server guy.
> >>
> >> TIA
> >>
> >> Scott
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> >
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