Cisco DNCS System Release 2.7 3.7 4.2 インストールガイド

 

96 

OL-31613-01 

By default, the EC is configured to use the internal clock for timing. Follow these 
instructions to configure the EC to obtain timing from an external NTP server, if 
desired.  

Note: Obtain the primary and any secondary NTP source IP addresses from the 
system operator. 
1  If necessary, open a remote terminal window on the EC. 
2  Complete the following steps to log on to the xterm window as the root user. 

a  Type 

su -

 and press Enter. The password prompt appears. 

b  Type the root password and press Enter. 

3  Type the following command and press Enter to initialize the /etc/inet/ntp.conf 

file as a server: 

/dvs/platform/libexec/install_ntp –s

  

4  Open the 

etc/inet/ntp.conf

 file in a text editor. 

5  Replace the contents of the ntp.conf file with the following: 

server [Primary Time Source IP Address] prefer

 

server [Secondary Time Source IP Address]

 

server 127.127.1.0

 

driftfile /etc/ntp.drift

 

6  Save and close the ntp.conf file. 
7  Type the following command and press Enter. 

svcs | grep ntp

 

8  Did the output from step 7 show ntp? 



 

If yes, continue with step 9. 



 

If no, type the following command and press Enter. Then, go to step 9. 

svcadm enable ntp

 

9  Type the following command and press Enter to restart the NTP service: 

svcadm restart ntp

 

10  Type the following command and press Enter to check the status of the NTP: 

ntpq -p

  

Result:  You should see output similar to the following: 

    remote      refid     st t when poll reach delay offset   
disp

 

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*PrimNTPSvr 198.51.100.44 3 u   53   64   37  0.37  -2.320 
438.31