Configure NTP sync for Aruba 2530 Switch

Steps to configure NTP Sync for Aruba 2530 Switch

Login to Aruba 2530 Switch via SSH and go to configuration mode

ssh [email protected]
SW#conf t

Configure Timezone (Malaysia), Date & Time manually

clock set MM/DD/YYYY
clock set HH/MM/SS
time timezone 480

Configure Aruba 2530 Switch to point to DNS Server for name resolution

ip dns server-address priority 1 192.168.10.225
ip dns server-address priority 2 192.168.10.226

Configure NTP to sync with time.windows.com

timesync ntp
ntp unicast
ntp server-name time.windows.com iburst
ntp enable 

Verify NTP sync is working fine with "show ntp status"

show ntp status

NTP Status Information

  NTP Status             : Enabled         NTP Mode        : Unicast
  Synchronization Status : Synchronized    Peer Dispersion : 0.00000 sec
  Stratum Number         : 4               Leap Direction  : 0
  Reference Assoc ID     : 0               Clock Offset    : 59.44482 sec
  Reference ID           : 52.148.114.188  Root Delay      : 0.01384 sec
  Precision              : 2**-18          Root Dispersion : 59.48707 sec
  NTP Up Time            : 0d 0h 47m       Time Resolution : 910 nsec
  Drift                  : 0.00000 sec/sec

  System Time            : Tue Feb 11 16:59:59 2020
  Reference Time         : Tue Feb 11 16:51:26 2020

Save the Configuration

wri mem