Bug ID 622874: ntp leap flag remains at 11 even after clock is synced with NTP server

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Opened: Oct 15, 2016

Severity: 1-Blocking

Symptoms

Even when the system clock is synced with an NTP server, the leap flag continues to show 11. Furthermore, the status of leap insertion is reported as "ntp_adjtime() returns code 5 (ERROR)".

Impact

ntptime command does not function and returns an error on leap second insertion.

Conditions

Running 12.0.0 base build and using an NTP proxy

Workaround

This issue was not observed on 12.0.0 HF4, so install 12.0.0 HF4 or beyond.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips