路由器常见网络故障分析及排除
1 路由器常用测试命令
show interfaces serial Command
显示指定端口的状态
Extended ping Tests
测试两点间线路状态
2 路由器传输故障排除方法
检查端口及线路协议的状态 (Interface and Line Protocol Status)
端口及线路协议的状态共有以下六种
Serial x is up, line protocol is up
Serial x is down, line protocol is down
Serial x is up, line protocol is down
Serial x is up, line protocol is up (looped)
Serial x is administratively down, line protocol is down
下表给出解决方案
