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HP A3100-8 v2 EI Configuration Manual: Configuring Ntp Client/server Mode With Authentication

A3100 v2 switch series.
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[SwitchB-Vlan-interface3] igmp enable
[SwitchB-Vlan-interface3] igmp static-group 224.0.1.1
[SwitchB-Vlan-interface3] quit
[SwitchB] interface ethernet 1/0/1
[SwitchB-Ethernet1/0/1] igmp-snooping static-group 224.0.1.1 vlan 3
Configure Switch A:
5.
<SwitchA> system-view
[SwitchA] interface vlan-interface 3
# Configure Switch A to work in multicast client mode and receive multicast messages on VLAN-interface
3.
[SwitchA-Vlan-interface3] ntp-service multicast-client
# View the NTP status of Switch A after clock synchronization.
[SwitchA-Vlan-interface3] display ntp-service status
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: 40.00 ms
Root dispersion: 10.83 ms
Peer dispersion: 34.30 ms
Reference time: 16:02:49.713 UTC Sep 19 2005 (C6D95F6F.B6872B02)
The output shows that Switch A has been synchronized to Switch C, and the clock stratum level of Switch
A is 3, while that of Switch C is 2.
# View the NTP session information of Switch A, which shows that an association has been set up
between Switch A and Switch C.
[SwitchA-Vlan-interface3] display ntp-service sessions
source
**************************************************************************
[1234] 3.0.1.31
note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured
Total associations :

Configuring NTP client/server mode with authentication

Network requirements
As shown in
and Device A and ensure network security as follows:
The local clock of Device A is to be configured as a reference source, with the stratum level of 2.
Device B works in client mode and Device A is to be used as the NTP server of Device B, with Device
B as the client.
NTP authentication is to be enabled on both Device A and Device B.
reference
127.127.1.0
1
Figure
27, perform the following configurations to synchronize the time between Device B
stra
reach
poll
2
255
64
68
now
offset
delay
26
-16.0
40.0
disper
16.6

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