Ii. network diagram, Iii. configuration procedure – H3C Technologies H3C S3100 Series Switches User Manual
Page 476

Operation Manual – NTP
H3C S3100-52P Ethernet Switch
Chapter 1 NTP Configuration
1-14
Note:
H3C1 is a switch that allows the local clock to serve as the NTP master clock.
An S3100-52P Ethernet switch considers H3C1 as the NTP server and operates in
client mode, while H3C1 operates in server mode automatically.
II. Network diagram
H3C 1
S3100-52P
1.0.
1.0.1.11/24
1.12/24
H3C 1
S3100-52P
1.0.
1.0.1.11/24
1.12/24
n
Figure 1-6
Network diagram for the NTP server mode configuratio
III. Configuration procedure
Perform the following configurations on the S3100-52P switch.
# View the NTP status of the S3100-52P switch before synchronization.
Clock status: unsynchronized
Clock stratum: 16
Reference clock ID: none
Nominal frequence: 99.8562 Hz
Actual frequence: 99.8562 Hz
Clock precision: 2^7
Clock offset: 0.0000 ms
Root delay: 0.00 ms
Root dispersion: 0.00 ms
Peer dispersion: 0.00 ms
Reference time: 00:00:00.000 UTC Jan 1 1900 (00000000.00000000)
# Set H3C1 to the NTP server of the S3100-52P switch.
[S3100-52P] ntp-service unicast-server 1.0.1.11
# (After the above configurations, the S3100-52P switch is synchronized to H3C1.)
View the NTP status of the S3100-52P switch.
[S3100-52P] display ntp-service status
Clock status: synchronized
Clock stratum: 3
Reference clock ID: 1.0.1.11
Nominal frequence: 250.0000 Hz