7-CentOS-网络配置详解

# ip link sHOW # 显示网络接口信息# ip link Set eth0 upi # 开启网卡# ip link set eth0 down # 关闭网卡# ip link set eth0 promisc on # 开启网卡的混合模式# ip link set eth0 promisc offi # 关闭网卡的混个模式# ip link set eth0 txqueuelen 1200 # 设置网卡队列长度# ip link set eth0 mtu 1400 # 设置网卡最大传输单元# ip addr show # 显示网卡IP信息# ip addr add 192.168.0.1/24 dev eth0 # 设置eth0网卡IP地址192.168.0.1# ip addr del 192.168.0.1/24 dev eth0 # 删除eth0网卡IP地址# ip route list # 查看路由信息# ip route add 192.168.4.0/24 via 192.168.0.254 dev eth0 # 设置192.168.4.0网段的网关为192.168.0.254,数据走eth0接口# ip route add default via 192.168.0.254 dev eth0 # 设置默认网关为192.168.0.254# ip route del 192.168.4.0/24 # 删除192.168.4.0网段的网关# ip route del default # 删除默认路由