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PVLAN implementation method of trunking port isolation

An implementation method and technology of aggregation ports, which are applied in the field of network communication and can solve the problems of not being able to isolate VLANs from broadcast domains, and can only be divided into the same VLAN.

Active Publication Date: 2010-01-20
KYLAND TECH CO LTD
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AI Technical Summary

Problems solved by technology

Its shortcoming is that most of the network construction methods are aggregation mode, that is, multiple user data are uplinked to the same aggregation point, so if multiple users want to communicate with the uplink aggregation port, they can only be divided into the same VLAN Therefore, broadcast domain isolation and VLAN isolation cannot be achieved well

Method used

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  • PVLAN implementation method of trunking port isolation
  • PVLAN implementation method of trunking port isolation

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] figure 1 Indicates the PVLAN port domain division diagram, where VLAN 100 is a shared port domain, and VLAN 200 and VLAN 300 are isolated port domains. Require:

[0016] Shared port domain 100 can communicate with isolated port domain 200

[0017] Shared port domain 100 can communicate with isolated port domain 300

[0018] Isolated port domain 200 cannot communicate with isolated port domain 300

[0019] In order to complete the above functions, first configure the shared port domain 100;

[0020] 1. VLAN100 configuration;

[0021] (1). Create VLAN 100

[0022] #kyland(config)#vlan 100

[0023] (2). Add UNTAG port

[0024] #kyland(config-vlan-100)#add port 1 UNTAG priority 1

[0025] #kyland(config-vlan-100)#add port 2 UNTAG priority 1

[0026] (3). Add Tag port

[0027] #kyland(config-vlan-100)#add port 3 tag pvlan enable

[0028] #kyland(config-vl...

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Abstract

The invention discloses a PVLAN implementation method of trunking port isolation, which aims at providing a technology related to trunking port isolation of virtual local area network (VLAN). The technical schemes of the method adopts the following key points: calling a port collocated in a PVLAN region as a PVLAN port, and dividing the port into two equivalence classes in the PVLAN port: shared port regions and isolated port regions; adding an upstream port into the shared port regions in a UNTAG way; adding a downstream port into each isolated port region in a UNTAG way; adding the ports into the isolated port regions into the shared port region in a UNTAG way; adding ports of all shared port regions into the isolated port regions in a UNTAG way; and correcting a learning mode of an MAC address into a shared VLAN learning mode. The invention is suitable for solving the technical difficulties of trunking port VLAN isolation, realizes the network optimization and solves the problem of communication safety.

Description

technical field [0001] The present invention relates to the technical field of network communication, and more specifically, relates to the technology of virtual local area network aggregation port isolation. Background technique [0002] VLAN is a way to logically (note, not physically) divide local area network (LAN) devices into network segments (or smaller local area network LANs), so as to realize data exchange of virtual workgroups (units). technology. The 802.1Q-based VLAN implementation can isolate broadcast domains and group users. Its shortcoming is that most of the network construction methods are aggregation mode, that is, multiple user data are uplinked to the same aggregation point, so if multiple users want to communicate with the uplink aggregation port, they can only be divided into the same VLAN Therefore, broadcast domain isolation and VLAN isolation cannot be achieved well. Contents of the invention [0003] The purpose of the present invention is to...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L29/06
Inventor 李延瑞马化一张国刚陈凡民薛百华
Owner KYLAND TECH CO LTD
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