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Method for extending port number and switch

A technology for extending ports and switches, which is applied in the field of extending port numbers, methods and switches, and can solve problems such as insufficient port numbers of the STP protocol

Active Publication Date: 2019-05-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a method and a switch for expanding port numbering, thereby solving the problem of insufficient numbering of STP protocol ports in the case of a large number of ports in a super virtual switching network

Method used

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  • Method for extending port number and switch
  • Method for extending port number and switch
  • Method for extending port number and switch

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Embodiment Construction

[0025]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] figure 2 A flow chart of a method for extending port numbering provided by an embodiment of the present invention, wherein the method is applicable to the scenario of a data link layer switching network using the STP protocol, and the execution subject of the method is the first switch, and the port numbering is extended The specific ...

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Abstract

The present invention provides a method for extending port numbers and a switch, wherein the method includes: the first switch determines the bits used to identify the first switch in the media access control MAC address in the specified bridge ID; The switch calculates the bits used for the extended port number according to the bits used to identify the first switch; the first switch combines the bits used for the extended port number with the bits originally used for the designated port Bit to get the new bit for the specified port. Therefore, the problem of insufficient numbering of STP protocol ports is solved in the case of a large number of ports in the super virtual switching network.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a method for extending port numbering and a switch. Background technique [0002] In the data link layer switching network, when the switch is transmitting messages, once there is a loop in the network, some messages will continue to proliferate and circulate infinitely in the loop network, which will cause the switch to repeatedly receive the same message As a result, the packet processing capability is reduced. [0003] In order to avoid the above problems, the Spanning Tree Protocol (English: Spanning Tree Protocol, referred to as: STP) came into being. This protocol is established according to the Institute of Electrical and Electronics Engineers (English: Institute of Electrical and Electronics Engineers, referred to as: IEEE) It is used to summarize and eliminate physical loops at the data layer in the LAN. Switches running this protocol discover loops in the netwo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/935H04L49/111
CPCH04L69/22H04L2101/604H04L2101/622H04L61/00H04L45/48H04L69/322H04L49/70
Inventor 周庆松吴光锐
Owner HUAWEI TECH CO LTD