How to Configure NTP on Aruba Switch | Sync Time with Ubuntu Chrony (2025)
Step-by-step guide to configure NTP on Aruba AOS-CX switches and set up a Chrony NTP server on Ubuntu Server. Ensure accurate time sync across your network devices. Perfect for sysadmins and network engineers working with Aruba switches and Linux servers.
0:00 Configure Aruba Switch NTP (GNS3 Lab)
0:46 Aruba Switch Initial Setup (Login & Interface Config)
2:32 How to Add a Local NTP Server on Aruba CX
3:49 How to Install NTP Server on Ubuntu (Chrony)
5:02 How to Configure Chrony (crony.conf)
6:16 Allow Subnet & Restart Chrony Service
7:07 Verify Ubuntu NTP Server Sync (crony c tracking)
7:28 Verify Aruba Switch NTP Sync (show ntp associations)
8:54 Test Result: Clock Automatically Re-synced
9:18 How to Set Time Zone on Aruba Switch
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