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arpd

收集免费ARP信息

补充说明

arpd命令 是用来收集免费arp信息的一个守护进程,它将收集到的信息保存在磁盘上或者在需要时,提供给内核用户用于避免多余广播。

语法

arpd(选项)(参数)

选项

-l:将arp数据库输出到标准输出设备显示并退出;
-f:指定读取和加载arpd数据库的文本文件,文件的格式与“-l”输出信息类似;
-b:指定arpd数据库文件,默认的位置为“/var/lib/arpd.db”;
-a:指定目标被认为死掉前查询的次数;
-k:禁止通过内核发送广播查询;
-n:设定缓冲失效时间。

参数

网络接口:指定网络接口。

实例

启动arpd进程:

arpd -b /var/tmp/arpd.db

运行一段时间后,查看结果:

arpd -l -b /var/tmp/arpd.db
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