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Method for reducing learning of media accessing control address in network

A technology of media access control and address learning, applied in the field of network communication, to achieve the effects of reducing MAC address learning, increasing equipment capacity, and reducing occupancy

Inactive Publication Date: 2006-03-08
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0014] The purpose of the present invention is to provide a method for reducing the learning of media access control addresses in the network, so as to overcome the drawbacks of switches learning a large number of MAC addresses in the prior art and the problems caused by MAC addresses exceeding specifications, and reduce the learning of MAC addresses. Improve network speed and scalability

Method used

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  • Method for reducing learning of media accessing control address in network
  • Method for reducing learning of media accessing control address in network
  • Method for reducing learning of media accessing control address in network

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Embodiment Construction

[0067] The core of the present invention is to determine whether to learn the MAC address according to the number of ports in the VLAN, and reduce the number of VLAN ports in the network as much as possible, so that only the VLAN information related to the port is reserved on each port in the network equipment. When the number of ports in the VLAN is reduced to 2, set the network device not to learn the MAC address, and broadcast the received data packets in the VLAN. Further, in order to reduce more MAC address learning, examine the topology of the network and the actual needs of message forwarding, reduce the VLAN on the port of the network device as much as possible, and from the other hand, reduce the number of ports in the VLAN so that The number of ports in more VLANs is reduced to 2. The number of ports in a VLAN can be reduced by static configuration or dynamic aging of VLAN information.

[0068] The static configuration method means that the number of ports in each V...

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Abstract

The method includes steps: network device checks-up number of port in underling virtual local area network (VLAN); when number of port in VLAN is less or equal to 2, not learning media access (MAC) control address, broadcasting received data message in VLAN. The invention can reduce learning MAC address, raises user capacity of device, operating speed of network and extended performance.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for reducing learning of media access control addresses in a network. Background technique [0002] The layer 2 switch has fast switching function and belongs to the data link layer device. It can identify the MAC address information in the data packet, forward it according to the MAC address, and record these MAC addresses and corresponding ports in an internal address table. . The specific workflow is as follows: [0003] (1) When the switch receives a data packet from a certain port, it first reads the source MAC address in the packet header and records it in the address table, so as to know which port the device with the source MAC address is connected to; [0004] (2) Read the destination MAC address in the packet header again, and look up the corresponding port in the address table; [0005] (3) If there is a port corresponding to the purpose MAC a...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/46H04L29/06H04L29/12
Inventor 黄晓雯汪洪远张伟
Owner NEW H3C TECH CO LTD
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