Ntp Broadcast Mode Configuration - H3C S5600 series Operation Manual

Operation Manual – NTP
H3C S5600 Series Ethernet Switches-Release 1510
Peer dispersion: 10.93 ms
Reference time: 07:55:07.172 UTC Apr 25 2006(C7F8545B.2C41FEA8)
The output information indicates that the S5600 series switch is synchronized to H3C3
and the stratum of its local clock is 2, one stratum higher than H3C3.
# View the information about the NTP sessions of the S5600 series switch and you can
see that a connection is established between the S5600 series switch and H3C3.
[S5600] display ntp-service sessions
source
*************************************************************************
[2]3.0.1.32
note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured

1.7.3 NTP Broadcast Mode Configuration

I. Network requirements
H3C3 sets its local clock to be an NTP master clock, with the stratum being 2. NTP
packets are broadcast through VLAN interface 2.
Configure S5600-1 and S5600-2 to listen broadcast packets through their VLAN
interface 2.
Note:
This example assumes that H3C3 is a switch that supports the local clock being the
master clock.
II. Network diagram
Vlan Vlan
S5600-2 S5600-2 S5600-2 S5600-2
Figure 1-8 Network diagram for the NTP broadcast mode configuration
reference
LOCL
1.0.1.31/24 1.0.1.31/24
- -interface 2 -interface 2 - -interface 2 -interface 2
H3C 4 H3C 4
stra reach poll
1 47 64
3.0.1.31/24 3.0.1.31/24 3.0.1.31/24 3.0.1.31/24 3.0.1.31/24 3.0.1.31/24
Vlan-int Vlan-int - - - - - - - - - - erface 2 erface 2
H3C 3 H3C 3
3.0.1.32/24 3.0.1.32/24 3.0.1.32/24 3.0.1.32/24 3.0.1.32/24 3.0.1.32/24
Vlan-int Vlan-int - - - - - - - - - - erface 2 erface 2
S5600-1 S5600-1 S5600-1 S5600-1
1-16
Chapter 1 NTP Configuration
now offset delay disper
39 -13.7 32.2 1.4