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Operation Manual – NTP

H3C S3600 Series Ethernet Switches-Release 1510 Chapter 1

NTP Configuration

1-18

3) Configure S3600-2

# Enter system view.

<S3600-2> system-view

[S3600-2]

# Enter Vlan-interface2 view.

[S3600-2] interface Vlan-interface 2

[S3600-2-Vlan-interface2]

# Set S3600-2 to a broadcast client.

[S3600-2-Vlan-interface2] ntp-service broadcast-client

After the above configurations, S3600-1 and S3600-2 will listen to broadcast packets

through their own Vlan-interface2, and H3C3 will send broadcast packets through

Vlan-interface2. Because S3600-2 and H3C3 do not share the same network segment,

S3600-2 cannot receive broadcast packets from H3C3, while S3600-1 is synchronized

to H3C3 after receiving broadcast packets from H3C3.

View the status of S3600-1 after synchronization.

[S3600-1] display ntp-service status

Clock status: synchronized

Clock stratum: 3

Reference clock ID: 3.0.1.31

Nominal frequency: 60.0002 Hz

Actual frequency: 60.0002 Hz

Clock precision: 2^18

Clock offset: -9.1060 ms

Root delay: 15.84 ms

Root dispersion: 3.52 ms

Peer dispersion: 29.62 ms

Reference time: 07:15:14.403 UTC Apr 25 2006(C7F84B02.6735F3D7)

The output information indicates that S3600-1 is synchronized to H3C3, with the clock

stratum level of 3, one level lower than that of H3C3.

# View the information about the NTP sessions of S3600-1 and you can see that a

connection is established between S3600-1 and H3C3.

[S3600-1] display ntp-service sessions

source reference stra reach poll now offset delay disper

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

[1]3.0.1.31 127.127.1.0 2 14 64 60 -1.0 0.0 1.6

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

H3C S3600 Series User Manual

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