Network device address resolution protocol address refreshing method and device

A technology of address resolution protocol and network equipment, which is applied to a device for address resolution protocol ARP address refresh of network equipment, and in the field of address resolution protocol ARP address refresh of network equipment. Ensure effectiveness, reduce data packet loss, and reduce operating overhead

Active Publication Date: 2014-08-13
DATANG MOBILE COMM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During this learning process, since it takes time for the network device to complete the addition of the new ARP table, some packets transmitted by the device will inevi

Method used

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  • Network device address resolution protocol address refreshing method and device
  • Network device address resolution protocol address refreshing method and device
  • Network device address resolution protocol address refreshing method and device

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Embodiment Construction

[0044] In order to make the above objects, 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.

[0045] refer to figure 2, which shows a flow chart of the steps of Embodiment 1 of a method for refreshing an address resolution protocol (ARP) address of a network device according to the present invention, the network device may include a local network device and a peer network device, and the local network device may include a local ARP table, the peer network device may include a peer ARP table, and the method may specifically include the following steps:

[0046] Step 101, when the port of the local network device fails and recovers, the local network device sends an ARP request message to the corresponding peer network device in the local ARP table;

[0047] It should be noted that when the port of the local network device...

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PUM

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Abstract

The invention provides a network device address resolution protocol address refreshing method and device. Network devices include the local network device and the opposite end network device, wherein the local network device comprises a local ARP table, and the opposite end network device comprises an opposite end ARP table. The method includes the steps that when faults happen to the port of the local network device and are eliminated, the local network device sends an ARP request message to the corresponding opposite end network device in the local ARP table, the local network device receives an ARP response message retuned by the opposite end network device for the ARP request message, and the local network device refreshes the local ARP table according to the ARP response message. According to the network device address resolution protocol address refreshing method and device, running expenses of the network devices are reduced, network management complexity is reduced, and stability of a system is improved.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for refreshing an ARP address of a network device, and a device for refreshing an ARP address of a network device. Background technique [0002] IPv4 (Internet Protocol version 4, Internet Protocol version4) is a widely used protocol that forms the cornerstone of today's Internet technology. The IPv4 ARP (Address Resolution Protocol, Address Resolution Protocol) follows the standard ARP aging process. When the aging condition is met, the network device must first delete the ARP table. refer to figure 1 A schematic diagram of an APR learning process in the prior art shown after reaching the aging condition. When the corresponding device is found by querying the routing table, ARP will not be triggered until network device 1 forwards new data to network device 2 request, and send it to network device 1, and network device 2 can add a new ARP table after netw...

Claims

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Application Information

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IPC IPC(8): H04L29/12
Inventor 张力陈魁
Owner DATANG MOBILE COMM EQUIP CO LTD
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