H3C Technologies H3C SecBlade NetStream Cards - Manual (Page 214)

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Displaying and maintaining NTP
To do… Use the command… Remarks
Display information about NTP
service status
display ntp-service status Available in any view
Display information about NTP
sessions display ntp-service sessions
[ verbose ]
Available in any view
Display the brief information about
the NTP servers from the local
device back to the primary
reference source
display ntp-service trace Available in any view
NTP configuration examples
Configuring NTP client/server mode
Network requirements
Perform the following configurations to synchronize the time between SecBlade and Device:
• As shown in Figure 61 , the local clock of Device is to be used as a reference source, with the stratum
level of 2.
• SecBlade works in client/server mode and Device is to be used as the NTP server of SecBlade.
Figure 61 Network diagram for NTP client/server mode configuration
Configuration procedure
1. Set the IP address for each interface as shown in Figure 61 , and add interfaces to the same VLAN.
The configuration procedure is omitted.
2. Configuration on Device:
# Specify the local clock as the reference source, with the stratum level of 2.
system-view
[Device] ntp-service refclock-master 2
3. Configuration on SecBlade:
# View the NTP status of SecBlade before clock synchronization.
display ntp-service status
Clock status: unsynchronized
Clock stratum: 16
Reference clock ID: none
Nominal frequency: 64.0000 Hz