Configuring The Ntp Symmetric Mode - HP 5500 EI Series Configuration Manual

Clock status: synchronized
Clock stratum: 3
Reference clock ID: 1.0.1.11
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: 1.05 ms
Peer dispersion: 7.81 ms
Reference time: 14:53:27.371 UTC Sep 19 2005 (C6D94F67.5EF9DB22)
The output shows that Device B has synchronized to Device A because it has a higher stratum than
Device A.
# Display NTP session information for Device B.
[DeviceB] display ntp-service sessions
**************************************************************************
[12345] 1.0.1.11
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 Device B and Device A.

Configuring the NTP symmetric mode

Network requirements
• As shown in
Configure Device B to operate in client mode and use Device A as its NTP server.
•
Configure Device C to operate in symmetric-active mode and use Device B as its symmetric-passive
•
peer.
Figure 12 Network diagram
source reference
127.127.1.0
1
Figure 12, configure Device A as a reference source, with the stratum level 2.
stra reach poll
2 63 64
25
now offset delay
3 -75.5 31.0
disper
16.5