Configure Ntp Broadcast Mode - H3C S9500 Series Operation Manual

Operation Manual – NTP
H3C S9500 Series Routing Switches
Clock stratum: 2
Reference clock ID: 3.0.1.31
Nominal frequency: 60.0002 Hz
Actual frequency: 60.0002 Hz
Clock precision: 2^17
Clock offset: -9.8258 ms
Root delay: 27.10 ms
Root dispersion: 49.29 ms
Peer dispersion: 10.94 ms
Reference time: 19:21:32.287 UTC Oct 24 2004(C5267F3C.49A61E0C)
By this time, H3C 4 has been synchronized by H3C 5 and it is at stratum 2, or higher
than H3C 5 by 1.
Display the sessions of H3C 4 and you will see H3C 4 has been connected with H3C 5.
[H3C4] display ntp-service sessions
source
********************************************************************
[12345]3.0.1.33
note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured

1.4.3 Configure NTP Broadcast Mode

I. Network requirements
On H3C 3, set local clock as the NTP master clock at stratum 2 and configure to
broadcast packets from VLAN-interface 2. Configure H3C 4 and H3C 1 to listen to the
broadcast from their VLAN-interface 2 respectively. (Note: H3C 3 supports to configure
the local clock as the master clock)
II. Network diagram
Figure 1-4 Network diagram for NTP configuration
III. Configuration procedure
Configure Switch H3C 3:
# Enter system view.
reference stra reach poll
LOCAL(0) 2 377
1-13
Chapter 1 NTP Configuration
now offset delay disper
64 16 0.0 0.0 0.9