Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method and device for media access control forced forwarding of address resolution protocol (ARP) message

A technology for media access control and ARP packets, which is applied in the field of media access control forcibly forwarding ARP packets, which can solve the problems of sacrificing IP addresses and conflict detection functions, and achieve the effect of avoiding ARP spoofing attacks and improving security.

Active Publication Date: 2013-04-03
XINHUASAN INFORMATION TECH CO LTD
View PDF1 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In fact, this conflict does not necessarily exist. Existing MFF equipment can solve the problem of misjudgment of IP address conflicts, but sacrifices the detection function of IP address conflicts.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and device for media access control forced forwarding of address resolution protocol (ARP) message
  • Method and device for media access control forced forwarding of address resolution protocol (ARP) message
  • Method and device for media access control forced forwarding of address resolution protocol (ARP) message

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0055] In order to make the purpose, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0056] refer to figure 2 , which shows a flow chart of Embodiment 1 of a method for forcibly forwarding an ARP message by media access control according to an embodiment of the present invention, which may specifically include:

[0057] Step 201, receiving an ARP request message;

[0058] Step 202, when the ARP request message is not an ARP message requesting a gateway or server, transform the sender MAC address of the ARP request message into a gateway MAC address, and broadcast and send the transformed ARP request message;

[0059] Step 203, create a session table entry, and record the sender IP, sender MAC address and target IP of the ARP request message in the session table entry;

[0060] The embodiment of the present invention ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a method and a device for media access control forced forwarding of an address resolution protocol (ARP) message. The method specifically includes that when an ARP request message is not an ARP message of a request gateway or a server, a sending end media access control (MAC) of the ARP request message is transformed to be a gateway MAC, and the ARP request message is sent in a broadcast mode; entries of a session table are established, and information of the ARP request message is recorded in the entries of the session table; and a sending end internet protocol (IP) and a target IP of an ARP response message are matched with a target IP and a sending end IP in the entries of the session table, when the matching result is successful and the ARP response message is not an ARP message of a response gateway or a server, a sending end MAC of the ARP response message is transformed to be a gateway MAC and a target MAC of the ARP response message is transformed to be a sending end MAC in the entries of the session table which is successfully matched, and the ARP response message is sent in an unicast mode. By means of the method and the device, IP address conflict in the network can be accurately and effectively detected.

Description

technical field [0001] The invention relates to the technical field of Ethernet forwarding, in particular to a method and device for forwarding ARP messages forcibly by media access control. Background technique [0002] MFF (Media Access Control Forced Forwarding) is a solution that can take full advantage of the broadcast domain advantages of Ethernet without wasting IP addresses and limiting scale. [0003] The MFF-enabled device (hereinafter referred to as the MFF device) intercepts the client's ARP (Address Resolution Protocol, Address Resolution Protocol) request message, and through the ARP proxy mechanism, replies with an ARP reply message with the MAC address of the gateway at the sending end. In this way, the client can be forced to send all traffic (including traffic in the same subnet) to the gateway, so that the gateway can monitor data traffic, prevent malicious attacks between clients, and better ensure the security of network deployment sex. [0004] There ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/911H04L29/12
Inventor 韩冰任晓军
Owner XINHUASAN INFORMATION TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com