TROUBLESHOOTING NTP

There may be a number of problems with the NTP server and the client setup. A good knowledge of networking and use of proper tools can make the troubleshooting task quite easy. The following sections discuss some of the troubleshooting commands you can use to ensure that the NTP server and client setups are working properly.

If a client cannot update its time, you must first use the ping command to make sure that the server is reachable from the client. If this is true, you can use the netstat command to make sure that the server process is running on the NTP server host. You can do this with the following command:

bash-2.03# netstat -a | grep ntp 
   *.ntp         Idle 
localhost.ntp          Idle 
fana.ntp         Idle 
fana-nt.ntp         Idle 
bash-2.03#

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