On 2010-06-17, Marcelo Pimenta <marcelopiment...@gmail.com> wrote:

> Yes, I agree. But we were talking about NTP using Ethernet, so... that's
> impossible

Here's a snapshot of my "main" system showing an offset of 340us
(0.340ms) from it's sys_peer over a switched GigE LAN ...

     remote       refid  st t when poll reach delay offset jitter
=================================================================
 6g-ntp          .ACST.  16 a    -   64    0  0.000  0.000  0.001
*fe80::200:24ff: .CHU1.   1 u   56 1024  377  1.130  0.340  0.017
+fe80::2a0:ccff: 241.24   4 u  865 1024  377  0.759  0.405  1.899
+fe80::240:5ff:f 18.26.   2 u  856 1024  377  0.649  0.441  0.374

A summary of today's peerstats file (w/ peer.awk):

       ident     cnt    mean    rms    max  delay    dist    disp
=================================================================
fe80::200:24ff:  198   0.563  0.436  1.087  1.037  17.633   3.433
fe80::240:5ff:f  155   0.489  0.525  1.655  0.947  20.904   4.886
fe80::2a0:ccff:   93  -0.117  0.841  2.986  1.885  23.916   8.841

(ntp-dev 4.2.7p34 on a quad core Debian system)

-- 
Steve Kostecke <koste...@ntp.org>
NTP Public Services Project - http://support.ntp.org/

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