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"ntpq -q" Fails with "Request timed out" When IPv6 Is Enabled on Loopback (Doc ID 2655206.1)

Last updated on APRIL 06, 2020

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86
Linux x86-64

Symptoms

The following ntpq command fails on NTP client:
# ntpq -p
localhost: timed out, nothing received
***Request timed out

However, the ntpupdate command still works.

# ntpdate -u <HOSTNAME>
1 Jan 00:00:39 ntpdate[<PID>]: adjust time server <IP> offset -0.000020 sec

# ntpdate -d <HOSTNAME>
1 Jan 00:00:51 ntpdate[<PID>]: ntpdate <VERSION>
Looking for host <HOSTNAME> and service ntp
host found : <HOSTNAME>
transmit(<IP>)
receive(<IP>)
transmit(<IP>)
receive(<IP>)
transmit(<IP>)
receive(<IP>)
transmit(<IP>)
receive(<IP>)
server <IP>, port <PORT>
stratum 3, precision -17, leap 00, trust 000
refid [<IP>], delay 0.02580, dispersion 0.00000
transmitted 4, in filter 4
reference time: e22df6ca.fe6e9000 Wed, Jan 1 2020 13:05:14.993
originate timestamp: e22df72b.de9b8000 Wed, Jan 1 2020 13:06:51.869
transmit timestamp: e22df72b.de967cef Wed, Jan 1 2020 13:06:51.869
filter delay: 0.02586 0.02580 0.02580 0.02580
0.00000 0.00000 0.00000 0.00000
filter offset: -0.00005 -0.00003 -0.00004 -0.00004
0.000000 0.000000 0.000000 0.000000
delay 0.02580, dispersion 0.00000
offset -0.000037

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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