HP (Hewlett-Packard) 2520 Switch User Manual


 
9
Time Protocols
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
TimeP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
SNTP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Selecting a Time Synchronization Protocol or Turning Off Time
Protocol Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
General Steps for Running a Time Protocol on the Switch: . . . . . . . . 9-3
Disabling Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
SNTP: Viewing, Selecting, and Configuring . . . . . . . . . . . . . . . . . . . . . 9-4
Menu: Viewing and Configuring SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
CLI: Viewing and Configuring SNTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8
Viewing the Current SNTP Configuration . . . . . . . . . . . . . . . . . . . . 9-8
Configuring (Enabling or Disabling) the SNTP Mode . . . . . . . . . 9-10
TimeP: Viewing, Selecting, and Configuring . . . . . . . . . . . . . . . . . . . . 9-16
Menu: Viewing and Configuring TimeP . . . . . . . . . . . . . . . . . . . . . . . . 9-17
CLI: Viewing and Configuring TimeP . . . . . . . . . . . . . . . . . . . . . . . . . . 9-18
Viewing the Current TimeP Configuration . . . . . . . . . . . . . . . . . . 9-19
Configuring (Enabling or Disabling) the TimeP Mode . . . . . . . . 9-20
SNTP Unicast Time Polling with Multiple SNTP Servers . . . . . . . . 9-25
Displaying All SNTP Server Addresses Configured on the Switch . . 9-25
Adding and Deleting SNTP Server Addresses . . . . . . . . . . . . . . . . . . . 9-26
Menu: Operation with Multiple SNTP Server Addresses
Configured . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-26
SNTP Messages in the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-26
9-1