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Method and system for sharing dynamic address pool in multi-vlan environment

A technology of dynamic address and MAC address, applied in transmission system, data exchange through path configuration, electrical components, etc., can solve unresolved problems such as VLAN shared address pool

Active Publication Date: 2016-02-03
FUJIAN SUNNADA NETWORK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This patent only simplifies the configuration steps, and also needs to create multiple DHCP-POOLs, which does not solve the problem of sharing address pools in different VLANs on the same device

Method used

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  • Method and system for sharing dynamic address pool in multi-vlan environment
  • Method and system for sharing dynamic address pool in multi-vlan environment
  • Method and system for sharing dynamic address pool in multi-vlan environment

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Embodiment Construction

[0047] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0048] see figure 1 , which is a system for sharing a dynamic address pool under a multi-VLAN environment provided according to an embodiment of the present invention, the system includes: a DHCP server, a DHCP access interface interface-x-y corresponding to the DHCP server, and the DHCP access interface interface -x-y corresponds to an IP address pool; a super-bridge super-bridge-x-y connected with the DHCP access interface interface-x-y; at least one sub-bridge connected with the super-bridge super-bridge-x-y, such as As shown in the figure, two sub-bridges son-bridge-x and sub-bridge son-bridge-y are connected under the super-bridge super-bridge-x-y, and the sub-bridges are used to connect VLAN clients (vlan-x , vlan-y), each sub-bridg...

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Abstract

The invention dislcoses a method and a system for sharing a dynamic address pool in a multi-virtual local area network (VLAN) environment. The method comprises the following steps that a VLAN client side transmits a dynamic host configuration protocol discover (DHCP DISCOVER) message carrying a VLAN identification (ID) to any sub-bridge in a virtual local area network; the message uplinks, and is transmitted to a DHCP server after being processed by a sub bridge and a super bridge; the DHCP server receives and processes the DHCP DISCOVER message and transmits a DHCP response message to the VLAN client side according to a recorded message entrance; and the VLAN client side receives and processes the DHCP response message and acquires an internet protocol (IP) address. By the technical scheme, through configuration, a plurality of VLAN client sides are appointed to be simultaneously related to the same address pool to acquire the IP; and the aim of sharing the address pool is fulfilled according to the VLAN-ID of a user.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and a system for sharing a dynamic address pool in a multi-VLAN environment in a wireless local area network system. Background technique [0002] Virtual LAN is a technology that divides a physical network into multiple logical LANs, and each VLAN has a virtual LAN identifier (VLANID). Using VLAN technology, network managers can logically divide users in the same physical LAN into different broadcast domains according to actual application needs, so that users with the same needs are in the same broadcast domain, and users with different needs are in different broadcast domains. Each VLAN is logically like an independent local area network, and has the same attributes as a physically formed LAN. All broadcast and unicast traffic in the same VLAN are restricted to this VLAN and will not be forwarded to other VLANs. [0003] Dynamic Host Assignment Protocol (DHCP), its executi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L12/46
Inventor 林煜
Owner FUJIAN SUNNADA NETWORK TECH CO LTD
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