3com SMC的switch 校時設定

3com 4210 交換器的ntp server 校時設定

<4210>system view
[4210]ntp-service unicast-server "NTP SERVER的IP"
[4210]quit
<4210>clock timezone t8 add 08:00:00 （註：t8可自訂名稱，例如taiwan,taipei等）
<4210>display clock
12:12:03 t8 Mon 01/26/2015
Time Zone : t8 add 08:00:00
<4210>display ntp-service status
 Clock status: synchronized
 Clock stratum: 12
 Reference clock ID: NTP SERVER的IP
 Nominal frequency: 100.0000 Hz
 Actual frequency: 99.9999 Hz
 Clock precision: 2^18
 Clock offset: 0.0000 ms
 Root delay: 16.06 ms
 Root dispersion: 563.47 ms
 Peer dispersion: 11.43 ms
 Reference time: 04:12:10.612 UTC Jan 26 2015(D8703D1A.9CB8E086)
<4210>

SMC 8126L2交換器校時設定
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Vty-0#configure
Vty-0(config)#sntp server 172.20.1.242
Vty-0(config)#clock timezone taiwan hours 8 minute 0 after-UTC （註：taiwan這個名稱可以自訂）
Vty-0(config)#exit
Vty-0#show sntp
Current Time:  Jul  7 21:51:35 2015
Poll Interval: 16
Current  Mode: unicast
SNTP Status:   Enabled
SNTP Server:    172.20.1.242 0.0.0.0 0.0.0.0
                                                 Current Server: 172.20.1.242
Vty-0#