HP procurve series 4100gl Management And Configuration Manual page 9

How IP Addressing Affects Switch Operation . . . . . . . . . . . . . . . . . . . . 7-9
DHCP/Bootp Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Network Preparations for Configuring DHCP/Bootp . . . . . . . . . 7-13
IP Preserve: Retaining VLAN-1 IP Addressing Across Configuration
File Downloads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
Globally Assigned IP Network Addresses . . . . . . . . . . . . . . . . . . . . . . 7-18
8 Time Protocols
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22
SNTP Messages in the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23
Contents
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