路由器之基本维护经验( 二 )


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

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