检查维护系统的时候,经常会要查看服务器的网络端口是多大的,所以需要用到Linux的一个命令。
如何查看CentOS的网络带宽出口多大?可以用下面的命令来查看。
# ethtool eth0
前面是命令,后面跟的是设备名,如果对外连接的网络设备是eth1,那就需要改成:ethtool eth0
[root@localhost ~]# ethtool eth0
Settings for eth0:
Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Speed: 1000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: internal Auto-negotiation: on MDI-X: Unknown Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes