Date: Thu, 6 Dec 2001 14:49:45 +0700 From: Victor Sudakov <sudakov@sibptus.tomsk.ru> To: questions@freebsd.org Subject: ntp duplicate broadcasts - ntpd weird behavior Message-ID: <20011206144944.A52337@sibptus.tomsk.ru>
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Hello.
What can be the reason that ntpd on FreeBSD 4.4-RELEASE sends two
broadcasts a minute, instead of just one?
$ tcpdump broadcast and port ntp
tcpdump: listening on lnc0
09:17:08.102506 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:17:08.102545 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:18:12.106080 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:18:12.106115 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:19:18.109521 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:19:18.109559 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:20:22.103185 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:20:22.103223 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:21:28.106558 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
09:21:28.106598 parabel.sibptus.tomsk.ru.ntp > 172.16.138.175.ntp: v3 bcast strat 3 poll 6 prec -26 [tos 0x10]
$ ifconfig -au
lnc0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
inet 172.16.138.161 netmask 0xfffffff0 broadcast 172.16.138.175
ether 00:20:35:b1:20:79
cx0: flags=c051<UP,POINTOPOINT,RUNNING,LINK2,MULTICAST> mtu 1500
inet 172.16.138.250 --> 172.16.138.249 netmask 0xffff0000
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
$ cat /etc/ntp.conf
server ntp.sibptus.tomsk.ru
server ntp2.sibptus.tomsk.ru
driftfile /etc/ntp.drift
broadcast 172.16.138.175 version 3
Thanks in advance for any input.
--
Victor Sudakov, VAS4-RIPE, VAS47-RIPN
2:5005/149@fidonet http://vas.tomsk.ru/
PGP key: finger vas@mpeks.tomsk.su
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