This is a discussion on ntpdsim problems in ntp-4.2.2.p3 - NTP ; This is a repost, the first attempt having appeared to fail. I am having difficulty getting ntpdsim to run correctly in 4.2.2.p3. The simulated ntp clock does not synchronize. At the end of a run with ntpdsim -A -C .001 ...
This is a repost, the first attempt having appeared to fail.
I am having difficulty getting ntpdsim to run correctly in 4.2.2.p3.
The simulated ntp clock does not synchronize. At the end of a run with
ntpdsim -A -C .001 -T 400 -W 1 -c ./ntp.conf
the last line output is:
T T+ERR T+ERR+NTP
86400.000000 34513621.245209 86400.000000
By adding -d -d -d to the argument list, and some extra debug output
messages I found that the clock_select() function always gets 0x400
failure return from peer_unfit(), which is a Test 11 failure, root
distance too large.
A typical line of rawstats has
15020 63118.000 126.96.36.199 188.8.131.52 63117.000000000
22742575.719312813 22742575.720312811 63117.019083045.
It seems that the client packet is sent with transmit time from
ntp_time, but srvr_rply() sets its time stamps from clk_time. Because
the server is never accepted by clock_select, ntp_time is never adjusted.
I got this version in downloaded of ntp-4.2.2p3, ran configure.guess to
create a directory for sparc-sun-solaris2.8, ran configure to create the
with gnu tools, and created a simple ntp.conf:
server time.nist.gov iburst
filegen loopstats file loopstats type day enable
filegen peerstats file peerstats type day enable
filegen clockstats file clockstats type day enable
filegen rawstats file rawstats type day enable
filegen sysstats file sysstats type day enable
and ran with:
ntpdsim $* -A -C .001 -T 400 -W 1 -c ./ntp.conf
Only peerstats and rawstats are created.
Any ideas or suggestions are greatly appreciated.
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