Bug 126981 - Broadcast client broken in 4.2
Summary: Broadcast client broken in 4.2
Alias: None
Product: Fedora
Classification: Fedora
Component: ntp   
(Show other bugs)
Version: 2
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Jiri Ryska
QA Contact:
URL: http://bugzilla.ntp.org/show_bug.cgi?...
Depends On:
TreeView+ depends on / blocked
Reported: 2004-06-30 00:28 UTC by Charles Gillet
Modified: 2007-11-30 22:10 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2005-01-22 00:25:13 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

Description Charles Gillet 2004-06-30 00:28:27 UTC
Description of problem:

Broadcast client broken

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Set up a box to broadcast NTP time on your net
2. Set up another client as broadcastclient in /etc/ntp.conf
3. Note no time sync!
Actual results:

ntpq -p returns no associations

Expected results:

ntpq -p should show your broadcasting time server

Additional info:

I rely on broadcasts so I only have to manually configure ip addresses
 in step-tickers, and make use of broadcasts to keep sync over time. 
Posting the bug so it gets on the Fedora radar.

Comment 1 Harald Hoyer 2004-08-31 12:11:35 UTC
please attach your ntp.conf

Comment 2 Charles Gillet 2004-08-31 17:01:29 UTC
A file with only one line is needed:


/etc/sysconfig/ntpd has:

# Drop root to id 'ntp:ntp' by default.  Requires kernel >= 2.2.18.
OPTIONS="-U ntp -p /var/run/ntpd.pid"

I tried removing "-U ntp" so the daemon would run as root, in case
root is needed to listen to broadcasts, but it didn't help.

Comment 3 Henning Schmiedehausen 2004-12-26 16:27:03 UTC

disable auth

Then it works. Same for multicast.

Comment 4 Charles Gillet 2005-01-02 22:00:34 UTC
Progress I guess.  Now I get a different error.

bind() fd 10, family 2, port 123, addr, in_classd=0
flags=8 fails: Address already in use

This looks like the ntp.org bug 267, i.e. not figuring out how to
treat the broadcast address properly.  Henning, can you post your
happily-running broadcastclient ntp.conf ?

Comment 5 Charles Gillet 2005-01-22 00:25:13 UTC
Ok, I was able to get everything working with disable auth.  Thanks 

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