Method and device for processing hash collisions and switching equipment

A technology of hash conflict and processing method, which is applied in the field of network communication, can solve the problem of modifying hardware cost, etc., and achieve the effect of increasing hardware cost and alleviating hash conflict

Active Publication Date: 2018-03-06
ZTE CORP
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  • Abstract
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Problems solved by technology

[0009] The embodiment of the present invention proposes a hash conflict processing method, device and switching equipment

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  • Method and device for processing hash collisions and switching equipment
  • Method and device for processing hash collisions and switching equipment
  • Method and device for processing hash collisions and switching equipment

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[0047] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0048] The embodiment of the present invention provides a hash conflict processing method, by detecting and determining the MAC address where the hash conflict occurs, and storing the address in a user-defined forwarding table other than the MAC address hardware table in the switch chip, in the next time When receiving a message with the MAC address as the destination address, it can query the information in the user-defined forwarding table to forward the message. figure 1 is a flowchart of a hash collision processing method according to an embodiment of the present invention, such as figure 1 As shown, the hash collision processing method includes the following processing steps:

[0049] Step S102, determining the MAC address of the media access control where the hash collision occurs;

[0050] Step S104, storing t...

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Abstract

The invention provides a method and device for processing hash collisions and switching equipment. The method comprises the following steps: determining a media access control MAC address that has thehash collisions; storing table entry information of the MAC address in a user-defined forwarding table L2-USER-ENTRY of a switching chip; and when a message which takes the MAC address as a destination address is received, forwarding the message by querying the table entry information of the MAC address from the L2-USER-ENTRY table. The method for processing the hash collisions provided by the invention solves the problems that the prior art needs to modify hardware design and the cost is increased in response to the hash collisions, and can effectively alleviate the hash collisions of the MAC address without modifying the hardware design and increasing the hardware cost.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a processing method, device and switching equipment for MAC address hash conflicts. Background technique [0002] MAC address (Media Access Control Address), also known as physical address or hardware address. It is a fixed serial number associated with network hardware, written inside the hardware when it is manufactured by the network equipment manufacturer. The forwarding of switches or other Layer 2 devices is based on the MAC address table. It establishes a forwarding table including source MAC address, VLAN ID (virtual local area network identification number), and PORT (device port number), and realizes message forwarding according to the forwarding table. [0003] The MAC address table initially uses a sequential table structure to store MAC addresses. When the MAC address changes, that is, when a MAC address is added or deleted, in order to maintain the o...

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Application Information

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IPC IPC(8): H04L12/743
CPCH04L45/7453
Inventor 简福建焦赵云
Owner ZTE CORP
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