如何将自己的arp信息广播出去?

believe_dou

目的:在linux的一个接口eth0下发广播，告诉底下的客户端，“我的ip是xxx.xxx.xxx.xxx，我的mac是123412341234，请更新你们的arp缓存”;
原因:有些客户机病毒作怪，冒充网关去欺骗其它的客户机，造成有的客户机可以上网有些不能上网；
因为久受次arp病毒困扰，所以才出此下策，在网关上强制发arp广播.

解决:
# arping
Usage: arping [-fqbDUAV] [-c count] [-w timeout] [-I device] [-s source] destination
  -f : quit on first reply
  -q : be quiet
  -b : keep broadcasting, don't go unicast
  -D : duplicate address detection mode
  -U : Unsolicited ARP mode, update your neighbours
  -A : ARP answer mode, update your neighbours
  -V : print version and exit
  -c count : how many packets to send
  -w timeout : how long to wait for a reply
  -I device : which ethernet device to use (eth0)
  -s source : source ip address
  destination : ask for what ip address
所以使用方式...
CODE:
arping -A your_address
這樣就可以了......


本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u1/42083/showart_327133.html