[ntp:questions] Re: NTP Time Server for LAN: Broadcasting or Not?

Danny Mayer mayer at gis.net
Tue Oct 5 02:40:45 UTC 2004


"W. D." <NewsGroups at US-Webmasters.com> wrote in message news:<416106CE.6E4E at US-Webmasters.com>...
> Hi Folks,
> 
> I've got a FreeBSD - NTP time server configured on my small LAN.  Here's
> some output:
> 
> ntpq> pe
>      remote           refid       st t when poll reach   delay   offset 
> jitter
> ===============================================================================     
> +navobs1.wustl.e .USNO.            1 u   41   64  333  178.181  -51.694
> 131.381
> +india.colorado. .ACTS.            1 u   37   64  377  192.120   84.779 
> 45.140
> *navobs1.oar.net .USNO.            1 u  106   64  376  191.750  114.124
> 110.657
> +now.cis.okstate .PSC.             1 u   40   64  377  192.337  118.809 
> 53.212
>  192.168.2.255   .BCST.           16 u    -   64    0    0.000    0.000
> 4000.00
>  
> ntpq> rv
> status=06e4 leap_none, sync_ntp, 14 events, event_peer/strat_chg,
> version="ntpd 4.2.0 at 1.1161-r Sat Oct  2 18:23:29 CDT 2004 (1)",
> processor="i386", system="FreeBSD/4.9-RELEASE", leap=00, stratum=2,
> precision=-17, rootdelay=190.042, rootdispersion=208.241, peer=46454,
> refid=navobs1.oar.net,
> reftime=c50b792b.ab128f86  Mon, Oct  4 2004  2:24:27.668, poll=6,
> clock=c50b7a1e.c01e94b3  Mon, Oct  4 2004  2:28:30.750, state=4,
> offset=-23.313, frequency=-432.127, jitter=165.282, stability=110.396
> 
> How does one tell if this server is broadcasting properly?  
> 
You look at the clients.

> How often does it broadcast? 
> 

I'd like to know that myself. Looks like I'm going to have to dig
into the code to find that out.

> Is there a way to control how often it broadcasts?
> 

Unlikely without changing the source code.

> Also, the '*' and '+' tend to disappear and reappear.  Is this
> possibly due to network congestion?
> 

It could be because of any number of factors. network congestion is
just one possibility.

Danny

> Thanks for your assistance!



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