Cisco 路由器ntp服务配置

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Cisco 路由器ntp服务配置

拓扑图
实验拓扑图如上图所示:
Router0 为ntp的服务端, Router1为ntp的客户端.
实验配置如下:

Router0>enRouter0# clock set 16:19:55 Nov 11 2017Router0#conf tEnter configuration commands, one per line. End with CNTL/Z.Router0(config)#int s0/0/0Router0(config-if)#ip add 172.28.34.1 255.255.255.0Router0(config-if)#no shutdown %LINK-5-CHANGED: Interface Serial0/0/0, changed state to downRouter0(config)#clock timezone CST 8Router0(config)#ntp master 1Router0(config)# ntp source Serial0/0/0Router0#show clock 16:23:49.085 china Fri Nov 17 2017Router1>enRouter1#conf tEnter configuration commands, one per line. End with CNTL/Z.Router1(config)#int s0/0/0Router1(config-if)#ip add 172.28.34.2 255.255.255.0Router1(config-if)#no shutdown %LINK-5-CHANGED: Interface Serial0/0/0, changed state to downRouter1(config)#ntp server 172.28.34.1Router1(config)#clock timezone CST 8Router1#show clock 16:23:54.155 china Fri Nov 17 2017

注:在服务端配置时需要加上ntp source Serial0/0/0命令,否则可能导致实验结果不正确