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# **arp**
## 说明
**arp命令** 用于操作主机的arp缓冲区，它可以显示arp缓冲区中的所有条目、删除指定的条目或者添加静态的ip地址与MAC地址对应关系
## 选项
```markdown
-a display (all) hosts in alternative (BSD) style
-e display (all) hosts in default (Linux) style
-s, --set set a new ARP entry
-d, --delete delete a specified entry
-v, --verbose be verbose
-n, --numeric don't resolve names
-i, --device specify network interface (e.g. eth0)
-D, --use-device read <hwaddr> from given device
-A, -p, --protocol specify protocol family
-f, --file read new entries from file or from /etc/ethers
```
## 实例
```bash
