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A user isolation method and switch

A switch and user technology, applied in the field of user isolation methods and switches, which can solve the problem that BUM traffic cannot be isolated.

Active Publication Date: 2020-08-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a user isolation method and a switch, which can solve the problem that BUM traffic cannot be isolated between tenants

Method used

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  • A user isolation method and switch
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  • A user isolation method and switch

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0047] In VLAN, each VLAN corresponds to a network segment or subnet, which can reduce the number of servers in the same broadcast domain and reduce unnecessary broadcast traffic. Such as figure 1 As shown, multiple users connected to the switch correspond to different VLANs. User equipment corresponding to user 1, user 2, and user 3 belong to VLAN 10, user equipment corresponding to user 4 and user 5 belong to VLAN 20, and BUM traffic between VLAN 10 and VLAN 20 ...

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Abstract

Embodiments of the present invention provide a user isolation method and a switch, which relate to the communication field and can solve the problem that BUM traffic cannot be isolated between tenants. The method is as follows: the switch monitors the information carried in the first message sent when the first user goes online, the switch determines that the first user belongs to the first EPG according to the correspondence between the information carried in the first message and the EPG identifier, and Determining that the first user corresponds to the first IP multicast address according to the identification of the first EPG and the correspondence between the identification of the EPG and the IP multicast address, and determining that the first user belongs to the multicast group corresponding to the first IP multicast address, and then , the switch adds the first user to the multicast group. When the switch receives the first BUM traffic sent by the first user, the switch encapsulates the first BUM traffic into the first multicast traffic of the multicast group. The first multicast traffic includes The first IP multicast address, so that the first multicast traffic is forwarded to other users of the multicast group. The embodiment of the present invention is used for user isolation in VXLAN.

Description

technical field [0001] The invention relates to the communication field, in particular to a user isolation method and a switch. Background technique [0002] A virtual local area network (Virtual Local Area Network, VLAN) is a group of logical devices and users. These devices and users are not limited by physical locations. They can be organized according to factors such as functions, departments, and applications. The communication is similar to being in the same network segment, hence the name virtual local area network. VLAN works on Layer 2 and Layer 3 of the Open System Interconnection (OSI) reference model. [0003] In a computer network, a Layer 2 network can be divided into multiple different broadcast domains, and a broadcast domain corresponds to a specific tenant. By default, these different broadcast domains are isolated from each other. If you want to communicate between different broadcast domains, you need to forward the communication through one or more rou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/761H04L12/741H04L12/46H04L45/16H04L45/74
Inventor 顾勤丰程璞
Owner HUAWEI TECH CO LTD
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