HP 4108GL - 8 Time Protocols; Chapter Contents

8-1
Time Protocols
8
Time Protocols
Chapter Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
TimeP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8- 2
SNTP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Overview: 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
Viewing the Current SNTP Configuration . . . . . . . . . . . . . . . . . . . . 8-8
Configuring (Enabling or Disabling) the SNTP Mode . . . . . . . . . . 8-9
TimeP: Viewing, Selecting, and Configuring . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Menu: Viewing and Configuring TimeP . . . . . . . . . . . . . . . . . . . . . . . . 8-14
CLI: Viewing and Configuring TimeP . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16
Viewing the Current TimeP Configuration . . . . . . . . . . . . . . . . . . 8-16
Configuring (Enabling or Disabling) the TimeP Mode . . . . . . . . 8-17
SNTP Unicast Time Polling with Multiple SNTP Servers . . . . . . . . . . . . . 8-20
Address Prioritization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
Adding and Deleting SNTP Server Addresses . . . . . . . . . . . . . . . . . . . 8-21
Menu Interface Operation with Multiple SNTP Server Addresses Configured
8-23
SNTP Messages in the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23