Configuring Ntp Multicast Mode - HP 6125G Configuration Manual

Clock status: synchronized
Clock stratum: 3
Reference clock ID: 3.0.1.31
Nominal frequency: 64.0000 Hz
Actual frequency: 64.0000 Hz
Clock precision: 2^7
Clock offset: 0.0000 ms
Root delay: 31.00 ms
Root dispersion: 8.31 ms
Peer dispersion: 34.30 ms
Reference time: 16:01:51.713 UTC Sep 19 2005 (C6D95F6F.B6872B02)
The output shows that Switch A has synchronized to Switch C because it has a higher stratum than
Switch C.
# Display NTP session information for Switch A.
[SwitchA-Vlan-interface2] display ntp-service sessions
**************************************************************************
[1234] 3.0.1.31
note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured
Total associations :
The output shows that an association has been set up between Switch A and Switch C.

Configuring NTP multicast mode

Network requirements
As shown in
Configure Device C to operate in multicast server mode and send multicast messages from
•
VLAN-interface 2.
Configure Device A and Device D to operate in multicast client mode and receive multicast
•
messages through VLAN-interface 3 and VLAN-interface 2 respectively.
Figure 14 Network diagram
source reference
127.127.1.0
1
Figure 14, configure Device C as a reference source, with the stratum level 2.
stra reach poll
2 254 64 62
26
now offset delay
-16.0 32.0
disper
16.6