HP VPN Firewall Appliances System Management and Maintenance Configuration Guide

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Network requirements
Set the local clock of Device A to the reference clock, with the stratum level 2, and Device B to operate
in client mode, and uses Device A as the NTP server.
Figure 54 Network diagram
Configuration procedure
1. On Device A, configure the local clock as the reference clock, with the stratum level 2:
a. Select Device Management > System Time from the navigation tree.
b. Click Network Time Protocol.
The page for setting up NTP appears.
c. Select 127.127.1.1 from the Local Reference Source list.
d. Select 2 from the Stratum list.
e. Click Apply.
Figure 55 Configuring the local clock as the reference clock
2. On Device B, configure Device A as the NTP server of Device B:
a. Select Device Management > System Time from the navigation tree.
b. Click Network Time Protocol.
The page for setting up NTP appears.
c. Enter 1.0.1.11 in the NTP Server 1 box.
d. Click Apply.