Инструкции По Установке для 3com S7906E

 

1-28 

 

Prior to performing the following configuration, be sure you have completed MPLS VPN-related 

configurations and make sure of the reachability between CE 1 and PE 1, between PE 1 and PE 2, and 

between PE 2 and CE 3. Refer to the MPLS Volume to configure MPLS VPN. 

 

1)  Configuration on CE 1:  

# Specify the local clock as the reference source, with the stratum level of 1.  

<CE1> system-view 

[CE1] ntp-service refclcok-master 1 

2)  Configuration on CE 3:  

# Specify CE 1 in VPN 1 as the NTP server of CE 3.  

<CE3> system-view 

[CE3] ntp-service unicast-server 10.1.1.1 

# View the NTP session information and status information on CE 3 a certain period of time later. The 

information should show that CE 3 has been synchronized to CE 1, with the clock stratum level of 2.  

[CE3] display ntp-service status 

 Clock status: synchronized 

 Clock stratum: 2 

 Reference clock ID: 10.1.1.1 

 Nominal frequency: 99.9100 Hz  

 Actual frequency: 99.9100 Hz  

 Clock precision: 2^18 

 Clock offset: 0.0000 ms 

 Root delay: 47.00 ms 

 Root dispersion: 0.18 ms 

 Peer dispersion: 34.29 ms 

 Reference time: 02:36:23.119 UTC Jan 1 2001(BDFA6BA7.1E76C8B4) 

[CE3] display ntp-service sessions 

source          reference       stra reach poll  now offset  delay disper 

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

[12345]10.1.1.1       LOCL         1    7   64   15    0.0   47.0    7.8 

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

Total associations :  1     

[CE3]  display ntp-service trace 

 server 127.0.0.1,stratum 2, offset -0.013500, synch distance 0.03154            

 server 10.1.1.1,stratum 1, offset -0.506500, synch distance 0.03429            

 refid 127.127.1.0