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Update ip.md

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小弟调调™ 2017-09-19 22:08:11 -05:00 committed by GitHub
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@ -36,8 +36,24 @@ help：显示网络对象支持的操作命令的帮助信息。
### 实例
```bash
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 show # 显示系统路由
ip route add default via 192.168.1.254 # 设置系统默认路由
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
ip route delete 192.168.1.0/24 dev eth0 # 删除路由
```