73-4
debug ntp sync
no debug ntp sync
To enable debug switch of time synchronize
information.
debug ntp events
no debug ntp events
To enable debug switch of NTP event
information.
73.3 Typical Examples of NTP Function
A client switch wanted to synchronize time with time server in network, there is two time server in network, the
one is used as host, the other is used as standby, the connection and configuration as follows (Switch A and
Switch B are the switch or route which support NTP server ):
The configuration of Switch C is as follows: (Switch A and Switch B may have the different command because
of different companies, we not explain there, our switches are not support NTP server at present)
Switch C:
Switch(config)#ntp enable
Switch(config)#interface vlan 1
Switch(Config-if-Vlan1)#ip address 192.168.1.12 255.255.255.0
Switch(config)#interface vlan 2
Switch(Config-if-Vlan1)#ip address 192.168.2.12 255.255.255.0
Switch(config)#ntp server 192.168.1.11
Switch(config)#ntp server 192.168.2.11
73.4 NTP Function Troubleshooting
In configuration procedures, if there is error occurred, the system can give out the debug information.
The NTP function disables by default, the show command can be used to display current configuration. If the
configuration is right please use debug every relative debugging command and display specific information in
procedure, and the function is configured right or not, you can also use show command to display the NTP
running information, any questions please send the recorded message to the technical service center.
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