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Time Protocols
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
TimeP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
SNTP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Selecting a Time Synchronization Protocol or Turning Off Time
Protocol Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
General Steps for Running a Time Protocol on the Switch: . . . . . . . . 8-3
Disabling Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
SNTP: Viewing, Selecting, and Configuring . . . . . . . . . . . . . . . . . . . . . 8-4
Menu: Viewing and Configuring SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
CLI: Viewing and Configuring SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
TimeP: Viewing, Selecting, and Configuring . . . . . . . . . . . . . . . . . . . . 8-14
Menu: Viewing and Configuring TimeP . . . . . . . . . . . . . . . . . . . . . . . . 8-15
CLI: Viewing and Configuring TimeP . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17
SNTP Unicast Time Polling with Multiple SNTP Servers . . . . . . . . 8-22
Address Prioritization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22
Adding and Deleting SNTP Server Addresses . . . . . . . . . . . . . . . . . . . 8-22
Menu: Operation with Multiple SNTP Server Addresses Configured 8-24
SNTP Messages in the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24
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