| 摘要 |
<p>A method and apparatus for implementing ARP broadcasting limitation are provided. The method comprises: (a) a network device creating and maintaining a mapping table of IP address and bridge port according to a dynamic IP address assignment related message and information of the bridge port into which a dynamic IP address assignment request message enters, said mapping table of the IP address and the bridge port comprising several pieces of mapping table records; (b) the network device extracting an ARP request, and querying said mapping table to acquire the corresponding bridge port according to a destination IP address in said ARP request; (c) the network device unicasting said ARP request to said bridge port. The method and apparatus of the present invention can implement the unicast of the ARP request to prevent attack by hackers effectively.</p> |
