NTP Synchronisation between VC members
master shows “NTP CLOCK” and the backup shows “LOCAL CLOCK” as Time source in the output >show system uptime
It is expected that the master shows “NTP CLOCK” and the backup shows “LOCAL CLOCK” as Time source in the output >show system uptime, this is because the master switch synchronizes with NTP servers to get the time, but the other members, including the backup member, synchronizes the time with its master. Hence, the time source for the Backup is displayed as "Local clock" instead of NTP clock as Time Source.
You can confirm the master switch synchronization with NTP server over below outputs.
> show ntp status
> show ntp associations
In the below output we can see that FPC1 is the master hence it shows as NTP clock and FPC0,2,3 are other members of VC hence show as Local clock
run show system uptime fpc0: -------------------------------------------------------------------------- Current time: 2023-11-26 02:48:38 IST Time Source: LOCAL CLOCK System booted: 2023-09-24 16:20:27 IST (8w6d 10:28 ago) Last configured: 2023-11-25 10:40:20 IST (16:08:18 ago) by <User-id> 2:48AM up 62 days, 10:28, 0 users, load averages: 0.63, 0.63, 0.67 fpc1: -------------------------------------------------------------------------- Current time: 2023-11-26 02:48:39 IST Time Source: NTP CLOCK System booted: 2023-09-24 16:20:35 IST (8w6d 10:28 ago) Protocols started: 2023-09-24 16:26:07 IST (8w6d 10:22 ago) Last configured: 2023-11-25 10:40:26 IST (16:08:13 ago) by <User-id> 2:48AM up 62 days, 10:28, 2 users, load averages: 1.27, 1.26, 1.11 fpc2: -------------------------------------------------------------------------- Current time: 2023-11-26 02:48:40 IST Time Source: LOCAL CLOCK System booted: 2023-09-24 16:20:30 IST (8w6d 10:28 ago) Last configured: 2023-11-25 10:40:18 IST (16:08:22 ago) by <User-id> 2:48AM up 62 days, 10:28, 0 users, load averages: 0.55, 0.44, 0.43 fpc3: -------------------------------------------------------------------------- Current time: 2023-11-26 02:48:40 IST Time Source: LOCAL CLOCK System booted: 2023-09-24 16:20:30 IST (8w6d 10:28 ago) Last configured: 2023-11-25 10:40:18 IST (16:08:22 ago) by <User-id> 2:48AM up 62 days, 10:28, 0 users, load averages: 0.35, 0.38, 0.39
Please note that the master FPC will show as localre instead of the FPC number ID as shown below:
run show system uptime fpc0: -------------------------------------------------------------------------- Current time: 2023-11-26 02:48:38 IST Time Source: LOCAL CLOCK System booted: 2023-09-24 16:20:27 IST (8w6d 10:28 ago) Last configured: 2023-11-25 10:40:20 IST (16:08:18 ago) by <User-id> 2:48AM up 62 days, 10:28, 0 users, load averages: 0.63, 0.63, 0.67 localre: -------------------------------------------------------------------------- Current time: 2023-11-26 02:48:39 IST Time Source: NTP CLOCK System booted: 2023-09-24 16:20:35 IST (8w6d 10:28 ago) Protocols started: 2023-09-24 16:26:07 IST (8w6d 10:22 ago) Last configured: 2023-11-25 10:40:26 IST (16:08:13 ago) by <User-id> 2:48AM up 62 days, 10:28, 2 users, load averages: 1.27, 1.26, 1.11