arp命令

最新推荐文章于 2025-01-04 10:22:59 发布

置顶 George-Yao

最新推荐文章于 2025-01-04 10:22:59 发布

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分类专栏： Software 编程拾碎文章标签： translation interface internet network table delete

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本文详细介绍了ARP命令的使用方法，包括显示和修改IP到物理地址转换表。解释了如何添加静态条目、删除条目及查看当前ARP表。适用于网络管理和故障排查。

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arp -help

Displays and modifies the IP-to-Physical address translation tables used by
address resolution protocol (ARP).

ARP -s inet_addr eth_addr [if_addr]
ARP -d inet_addr [if_addr]
ARP -a [inet_addr] [-N if_addr]

-a            Displays current ARP entries by interrogating the current
                protocol data. If inet_addr is specified, the IP and Physical
                addresses for only the specified computer are displayed. If
                more than one network interface uses ARP, entries for each ARP
                table are displayed.
-g            Same as -a.
inet_addr     Specifies an internet address.
-N if_addr    Displays the ARP entries for the network interface specified
                by if_addr.
-d            Deletes the host specified by inet_addr. inet_addr may be
                wildcarded with * to delete all hosts.
-s            Adds the host and associates the Internet address inet_addr
                with the Physical address eth_addr. The Physical address is
                given as 6 hexadecimal bytes separated by hyphens. The entry
                is permanent.
eth_addr      Specifies a physical address.
if_addr       If present, this specifies the Internet address of the
                interface whose address translation table should be modified.
                If not present, the first applicable interface will be used.
Example:
> arp -s 157.55.85.212   00-aa-00-62-c6-09 .... Adds a static entry.
> arp -a                                    .... Displays the arp table.