分类:
2012-12-12 15:58:23
有五种:
serial number is administratively down, line protocol is down
该接口被shutdown。
serial number is down, line protocol is down
表示该接口没有被激活或物理层没有转为up状态。
serial number is up, line protocol is up(spoofing)
表示该接口是拨号口,但还未呼通。
serial number is up, line protocol is up
表示该接口已可以进行数据传输。
serial number is up, line protocol is down
表示该接口已激活,但链路协商仍没有通过。
故障之三:链路UP,且LCP、IPCP的状态均为opened,但无法ping通对端。