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MAC (Multimedia Access Control) address table item updating method and apparatus

A MAC address table and MAC address technology, applied in the field of MAC address table entry updating methods and devices, capable of solving problems such as network interruption and inability to receive

Inactive Publication Date: 2016-11-09
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, after the terminal device roams from AP1 to AP2, since the switches connected to AP1 and AP2 do not know that the terminal device has roamed from AP1 to AP2, the switches connected to AP1 and AP2 will not perform MAC entry Update, if there is downlink data sent to the terminal device at this time, it will still be forwarded by the switch connected to AP1 according to the original MAC entry, but because the terminal device has roamed from AP1 to AP2, the terminal device cannot receive it. The downlink data, which in turn leads to network interruption

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  • MAC (Multimedia Access Control) address table item updating method and apparatus
  • MAC (Multimedia Access Control) address table item updating method and apparatus
  • MAC (Multimedia Access Control) address table item updating method and apparatus

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Embodiment Construction

[0019] In order to make the purpose, technical solution and advantages of the present application clearer, the solution of the present application will be further described in detail below with reference to the accompanying drawings.

[0020] In practical applications, when a terminal device accesses an AP for the first time, it usually saves the authentication information for accessing the AP, such as a Wifi (Wireless Fidelity, wireless network technology) key, so that the next time it is in the network environment covered by the AP, The terminal device can directly access the AP according to the saved authentication information, without the user needing to manually input the authentication information.

[0021] In a place where APs are densely deployed, such as in a large-scale enterprise, the terminal device may store the authentication information of multiple APs in close proximity. The device can access the AP with the strongest signal strength according to the stored aut...

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Abstract

The invention provides an MAC (Multimedia Access Control) address table item updating method and apparatus. The method comprises the steps of after detecting that terminal equipment is switched into an AP (Access Point), according to an MAC address of the terminal equipment, generating an ARP (Address Resolution Protocol) request message of which a source MAC address is the MAC address of the terminal equipment; sending the ARP request message to a switch, so that the switch updates a prestored MAC address table item according to the ARP request message. According to the MAC address table item updating method and apparatus provided by the invention, after roaming occurs to the terminal equipment, service communication carried out previously can be guaranteed not to be interrupted.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for updating MAC (Media Access Control, Media Access Control) address entry. Background technique [0002] Currently, in order to facilitate network communication for users, APs (Access Points, Access Points) are deployed more and more densely. For example, in a large enterprise, multiple APs are usually deployed for use by employees. When many APs are deployed, if the location of the terminal device held by the user changes, for example, the terminal device moves from the network coverage of AP1 to the network coverage of AP2, the terminal device will roam from the currently connected AP1 to AP2, that is: The terminal device switches from the network currently connected to AP1 to the network connected to AP2. [0003] However, after the terminal device roams from AP1 to AP2, since the switches connected to AP1 and AP2 do not know that the term...

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Application Information

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IPC IPC(8): H04W40/24H04L12/755H04L12/741H04L45/74
CPCH04L45/021H04L45/74H04W40/248
Inventor 赵明晓
Owner NEW H3C TECH CO LTD