Configuring Ntp Broadcast Mode - H3C S7500E Series Operation Manual

Operation Manual – NTP
H3C S7500E Series Ethernet Switches
Nominal frequency: 100.0000 Hz
Actual frequency: 100.0000 Hz
Clock precision: 2^7
Clock offset: -21.1982 ms
Root delay: 15.00 ms
Root dispersion: 775.15 ms
Peer dispersion: 34.29 ms
Reference time: 15:22:47.083 UTC Apr 25 2007 (C6D95647.153F7CED)
As shown above, Switch B has been synchronized to Switch C, and the clock stratum
level of Switch B is 2, while that of Switch C is 1.
# View the NTP session information of Switch B, which shows that an association has
been set up between Switch B and Switch C.
[SwitchB] display ntp-service sessions
source
**************************************************************************
[245] 3.0.1.31
[1234] 3.0.1.33
note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured
Total associations :

1.8.3 Configuring NTP Broadcast Mode

I. Network requirements
Switch C's local clock is to be used as a reference source, with the stratum level of
2.
Switch C works in the broadcast server mode and sends out broadcast messages
from VLAN-interface 2.
Switch D and Switch A work in the broadcast client mode and listen to broadcast
messages through their respective VLAN-interface 2.
reference stra
127.127.1.0 2
LOCL 1
2
1-22
Chapter 1 NTP Configuration
reach poll now
15 64 24 10535.0
14 64 27 -77.0
offset delay disper
19.6 14.5
16.0 14.8