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Method for binding dynamic address analysi protocol table item automatically

A dynamic address and protocol table technology, applied in the field of data communication, can solve problems such as insufficient entries in the dynamic ARP table, potential safety hazards in the ARP table, etc., and achieve the effect of enhancing stability and improving security

Active Publication Date: 2012-09-05
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the potential safety hazards of the prior art ARP table and the deficiencies of manually binding dynamic ARP table entries, provide a method for automatically binding dynamic ARP table entries, and realize the automatic binding of dynamic ARP table entries It can effectively and quickly manage the dynamic ARP table entries in the network

Method used

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  • Method for binding dynamic address analysi protocol table item automatically
  • Method for binding dynamic address analysi protocol table item automatically
  • Method for binding dynamic address analysi protocol table item automatically

Examples

Experimental program
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Embodiment Construction

[0023] figure 1 It is a schematic diagram of the networking of the application environment of the present invention, as shown in the figure: the Ethernet switch ZXROS configures the Ethernet port fei_1 / 1 as the 10.1.1.1 / 24 network segment, and configures the Ethernet port fei_1 / 2 as the 20.1.1.1 / 24 network segment. The user host (Host) of the 10.1.1.0 / 24 network segment is connected to fei_1 / 1, and the user host of the 20.1.1.0 / 24 network segment is connected to fei_1 / 2.

[0024] figure 2 It is a composition diagram of the ARP module applying the network equipment of the present invention, wherein the functions of each module are as follows:

[0025] ARP output module: used to receive data packets and process them in the ARP module.

[0026] ARP input module: used to receive and process ARP messages from the lower layer to send and receive packets. If the current host dynamic entry has been bound, it cannot be updated by receiving ARP packets at this time, but normal commu...

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Abstract

The method includes following steps: setting up IP address for layer 3 interface in network equipment; setting up IP address for subscribers host station; making IP address of layer 3 interface have same network segment with IP address of subscribers host station; with address resolution protocol (ARP), the network equipment learns the item in dynamic ARP table in subscribers host station; the network equipment executes command to automatically binding all dynamic item in ARP table at current time, and to make it become permanence item that will not be covered, and not need to be renewed.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a dynamic entry binding technology of an address resolution protocol table (ARP table). Background technique [0002] Data packets are transmitted on the physical network, and it is necessary to know the physical addresses of the device terminal and the layer-3 network device, that is, the MAC address. The ARP table is a mapping table that reflects the correspondence between network addresses (IP addresses) and physical addresses (MAC addresses), and provides mapping from IP addresses to MAC addresses. In the three-layer network equipment (such as routers and switches), the ARP table is the basic information table to maintain the normal operation of the equipment, and ensuring the security of the ARP table is very important for the data communication system. [0003] Devices that support ARP (Address Resolution Protocol) maintain a high-speed cache for storing the newly obtaine...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/56H04L29/12H04L45/74
Inventor 王璐过仕好冯健范成法
Owner ZTE CORP
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