HP VPN Firewall Appliances System Management and Maintenance Configuration Guide

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Figure 56 Configuring Device A as the NTP server of Device B
3. Verify the configuration:
The output shows that the current system time displayed on the System Time page is the same for Device
A and Device B.
Configuring NTP at the CLI
NTP configuration task list
Task Remarks
Configuring NTP operation modes Required.
Configuring the local clock as a reference source Optional.
Configuring optional parameters for NTP Optional.
Configuring access-control rights Optional.
Configuring NTP authentication Optional.
Configuring NTP operation modes
Devices can implement clock synchronization in one of the following modes:
• Client/server mode—Configure only clients.
• Symmetric mode—Configure only symmetric-active peers.
• Broadcast mode—Configure both clients and servers.
• Multicast mode—Configure both clients and servers.