[ntp:questions] XFAC (?)

Uwe Klein uwe_klein_habertwedt at t-online.de
Wed May 12 08:32:32 UTC 2010


David J Taylor wrote:
> 
> "Laurent Archambault" <archi.laurent at gmail.com> wrote in message 

>> After many search, i has not find my answer, whay do it mean the status
>> "XFAC" (?).

> Is this in relation to NTP?  One use I found was the string ".XFAC." 
> used as reference clock source ID (I think).

Looks like, why else would laurent ask here?
> 
> In other use, you might have scaling for a graph of x-factor and 
> y-factor, so XFAC and YFAC.
Hmpf.

> 
> Cheers,
> David

grep -A1 -B2 XFAC $(find .  -type f)

./ntp-4.2.6p2-RC3/ntpd/ntp_peer.c-              if (peer->dstadr != piface && !(peer->cast_flags &
./ntp-4.2.6p2-RC3/ntpd/ntp_peer.c-                  MDF_ACAST) && peer->pmode != MODE_BROADCAST)
./ntp-4.2.6p2-RC3/ntpd/ntp_peer.c:                      peer_clear(peer, "XFAC");
./ntp-4.2.6p2-RC3/ntpd/ntp_peer.c-
--
./ntp-4.2.6p2-RC3/CommitLog-  use (peer->pmode == MODE_BROADCAST) rather than
./ntp-4.2.6p2-RC3/CommitLog-    (peer->castflags & MDF_BCLNT) to detect ephemeral broadcastclient
./ntp-4.2.6p2-RC3/CommitLog:    associations to exempt from peer_clear("XFAC")
./ntp-4.2.6p2-RC3/CommitLog-
--
./ntp-4.2.6p2-RC3/CommitLog-    use (peer->pmode == MODE_BROADCAST) rather than
./ntp-4.2.6p2-RC3/CommitLog-      (peer->castflags & MDF_BCLNT) to detect broadcastclient
./ntp-4.2.6p2-RC3/CommitLog:      associations to exempt from peer_clear("XFAC"), suggested
./ntp-4.2.6p2-RC3/CommitLog-      by Frank Kardel.
--
./ntp-4.2.6p2-RC3/CommitLog-
./ntp-4.2.6p2-RC3/CommitLog-  ntpd/ntp_peer.c at 1.122, 2009-10-15 03:30:55+00:00, 
davehart at shiny.ad.hartbrothers.com +1 -1
./ntp-4.2.6p2-RC3/CommitLog:    Do not peer_clear("XFAC") manycast server associations or they will
./ntp-4.2.6p2-RC3/CommitLog-      never regain their ACST refid.

now what kind of peer would be tagged "XFAC" ??

inquisitive minds want to know ;-)

uwe




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