HP 5500 EI Series Configuration Manual page 43

Figure 16 Network diagram
Configuration procedure
1. Set the IP address for each interface as shown in
2. Configure Device A:
# Configure the Device A to operate in NTP broadcast client mode and receive NTP broadcast
messages on VLAN-interface 2.
<DeviceA> system-view
[DeviceA] interface vlan-interface 2
[DeviceA-Vlan-interface2] ntp-service broadcast-client
3. Configure Device B:
# Enable NTP authentication on Device B. Configure an NTP authentication key, with the key ID
88 and key value 123456, and specify the key as a trusted key.
<DeviceB> system-view
[DeviceB] ntp-service authentication enable
[DeviceB] ntp-service authentication-keyid 88 authentication-mode md5 123456
[DeviceB] ntp-service reliable authentication-keyid 88
# Configure Device B to operate in broadcast client mode and receive NTP broadcast messages
on VLAN-interface 2.
[DeviceB] interface vlan-interface 2
[DeviceB-Vlan-interface2] ntp-service broadcast-client
4. Configure Device C:
# Configure Device C to operate in NTP broadcast server mode and use VLAN-interface 2 to send
NTP broadcast packets.
[DeviceC] interface vlan-interface 2
[DeviceC-Vlan-interface2] ntp-service broadcast-server
[DeviceC-Vlan-interface2] quit
# Display NTP service status information on Device A.
[DeviceA-Vlan-interface2] display ntp-service status
Clock status: synchronized
Figure 16. (Details not shown.)
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