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Bug 101094 - ntp multicast client is not working correctly
Summary: ntp multicast client is not working correctly
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Server (show other bugs)
Hardware: All Linux
: High normal (vote)
Assignee: SpanKY
Depends on:
Reported: 2005-08-02 07:10 UTC by Konstantin Agouros
Modified: 2005-10-28 17:59 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Konstantin Agouros 2005-08-02 07:10:25 UTC
I tried to play around with ntpd and multicast client settings.
What I found is the following:

The ntpd initially does nothing. When it receives the first multicast packet it does what it is supposed 
to, starts syncing with the sender of the packet. After this has happened for each multicast packet 
sent,I see a poll of the multicast sender

ntpdc -s tells me it is synced to the sender with local address set to the machine instead of
I used ntpd -m -b -A -c none as well as a ntp.conf with a multicastclient entry.
The same settings work on OSX, Solaris8 and a RedHat machine 

Package is the current ntp-

I use ipv6 which might be the only relevant of the items I found in IUSE
Comment 1 SpanKY gentoo-dev 2005-08-02 10:34:14 UTC
try the other versions of ntp in portage starting with
Comment 2 Konstantin Agouros 2005-08-02 10:35:58 UTC
what is the order anyway? 20050303 and then -r2 or is 20050303 the newest?
Comment 3 SpanKY gentoo-dev 2005-08-02 12:10:17 UTC
last i checked 20050303 > 20040617
Comment 4 Konstantin Agouros 2005-08-03 01:09:07 UTC
I updated to 20050303 still does not work TCPDump shows:

10:06:54.968467 IP > NTPv4 bcast, strat 4, poll 6, prec -20
10:06:55.300424 IP > NTPv4 client, strat 0, poll 6, prec -20
10:06:55.300561 IP > NTPv4 server, strat 4, poll 6, prec -20
 in a repeating pattern

ntpdc -s shows

     remote           local      st poll reach  delay   offset    disp
*         4   64   77 0.00027 -0.005249 0.66238

On the other systems the local entry is
Comment 5 SpanKY gentoo-dev 2005-10-28 17:59:00 UTC
can you file a bug upstream please ?