查看网口0 是否连接 port 0
1. swconfig dev switch0 port 0 show
接上网线,状态如下
Port 0:
disable: 0
doubletag: 1
untag: 1
led: 5
lan: 1
recv_bad: 0
recv_good: 488
tr_bad: 0
tr_good: 70
pvid: 0
link: port:0 link:up speed:100baseT full-duplex
拔掉网线
root@Widora:~# swconfig dev switch0 port 0 show
Port 0:
disable: 0
doubletag: 1
untag: 1
led: 5
lan: 1
recv_bad: 0
recv_good: 676
tr_bad: 0
tr_good: 74
pvid: 0
link: port:0 link:down