# 网络管理

## 常见的网络接口

eth0 以太网接口 lo 本地环回接口\
br0 桥接接口 （虚拟交换机） vnet0 KVM虚拟机网卡接口

## 查看网络信息

```
ip addr //查看IP、掩码、MAC...
ip addr show eth0 //只显示eth0的信息
ip route //查看本机路由表
cat /etc/resolv.conf //查看DNS
```


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