Configuration Example For Ntp Broadcast Mode With Authentication - HPE FlexFabric 5700 Series Network Management And Monitoring Configuration Manual

Reference time: d0c62687.ab1bba7d
# Verify that an IPv4 NTP association has been established between Device B and Device A.
[DeviceB] display ntp-service sessions
********************************************************************************
[1245]1.0.1.11
Notes: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured.
Total sessions: 1
Configuration example for NTP broadcast mode with
authentication
Network requirements
As shown in
network segments and synchronizes the time among multiple devices. Switch A and Switch B
authenticate the reference source.
•
Configure Switch C's local clock as a reference source, with the stratum level 3.
•
Configure Switch C to operate in broadcast server mode and send out broadcast messages
from VLAN-interface 2.
•
Configure Switch A and Switch B to operate in broadcast client mode and receive broadcast
messages through VLAN-interface 2.
•
Enable NTP authentication on Switch A, Switch B, and Switch C.
Figure 16 Network diagram
Switch A
NTP broadcast client
Configuration procedure
1. Set the IP address for each interface, and make sure Switch A, Switch B, and Switch C can
reach each other, as shown in
2. Configure Switch A:
# Enable the NTP service.
<SwitchA> system-view
[SwitchA] ntp-service enable
# Enable NTP authentication on Switch A. Configure an NTP authentication key, with the key ID
of 88 and key value of 123456. Input the key in plain text, and specify it as a trusted key.
source reference
127.127.1.0
Figure 16, Switch C functions as the NTP server for multiple devices on different
Vlan-int2
3.0.1.31/24
Vlan-int2
3.0.1.30/24
Vlan-int2
3.0.1.32/24
Wed, Dec 29 2010 21:28:39.668
stra reach poll
2
Switch C
NTP broadcast server
Switch B
NTP broadcast client
Figure 16. (Details not shown.)
40
now offset
1 64 519 -0.0 0.0065
delay disper
0.0