H3C S3610-28P Operation Manual page 1207

S3610 & s5510 series

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Operation Manual – NTP

H3C S3610&S5510 Series Ethernet Switches

[SwitchA-Vlan-interface3] ntp-service multicast-client

# View the NTP status of Switch A after clock synchronization.

[SwitchA] display ntp-service status

Clock status: synchronized

Clock stratum: 3

Reference clock ID: 3.0.1.31

Nominal frequency: 100.0000 Hz

Actual frequency: 100.0000 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 Apr 20 2007 (C6D95F6F.B6872B02)

As shown above, 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] display ntp-service sessions

**************************************************************************

[1234] 3.0.1.31

note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured

Total associations :

Refer to the Multicast Protocol part of the manual for detailed description of the

multicast function.

1.8.5 Configuring NTP Server/Client Mode with Authentication

I. Network requirements

The local clock of Device A is to be configured as a reference source, with the

stratum level of 2.

Device B works in the 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 for Device A and Device B at the same time.

Chapter 1 NTP Configuration

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