Technical data

368 CHAPTER 11: SYSTEM MANAGEMENT
clock precision: 2^17
clock offset: 0.0000 ms
root delay: 0.00 ms
root dispersion: 10.94 ms
peer dispersion: 10.00 ms
reference time: 20:54:25.156 UTC Mar 7 2002(C0325201.2811A112)
By this time, SW77004 has been synchronized by SW77005 and it is at stratum 2,
or higher than SW77005 by 1.
Display the sessions of SW77004 and you will see SW77004 has been connected
with SW77005.
[SW77004] display ntp-service sessions
source reference stra reach poll now offset delay
disper
********************************************************************
****** [12345]127.127.1.0 LOCAL(0) 7 377 64 57
0.0 0.0 1.0
[5]1.0.1.11 0.0.0.0 16 0 64 - 0.0
0.0 0.0
[5]128.108.22.44 0.0.0.0 16 0 64 - 0.0
0.0 0.0
note: 1 source(master),2 source(peer),3 selected,4 candidate,5
configured
Configuring NTP Broadcast Mode
On SW77003, set local clock as the NTP master clock at stratum 2, and configure
to broadcast packets from Vlan-interface2. Configure SW77004 and SW77001 to
listen to the broadcast from their Vlan-interface2. See Figure 1-2.
Configure Ethernet Switch SW77003:
1 Enter system view.
<SW77003> system-view
2 Set the local clock as the NTP master clock at stratum 2.
[SW77003] ntp-service refclock-master 2
3 Enter Vlan-interface2 view.
[SW77003] interface vlan-interface 2
4 Set it as broadcast server.
[SW77003-Vlan-Interface2] ntp-service broadcast-server