A private network vlan information management method and device

An information management and private network technology, applied in the field of private network VLAN information management, which can solve the problems of low ARP entry learning efficiency and affect service performance, and reduce VLAN configuration operations.

Active Publication Date: 2016-01-20
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

If the VLAN ID corresponding to the requested ARP entry is exactly VLAN4094, it takes more than 3 minutes for the core switch to learn the ARP entry, and the learning efficiency of the ARP entry is low, which affects service performance.

Method used

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  • A private network vlan information management method and device
  • A private network vlan information management method and device
  • A private network vlan information management method and device

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Embodiment Construction

[0035] The embodiment of the present invention can be applied to the RoutingQinQ networking, and is used for dynamic discovery and updating of the inner VLANTag of the RoutingQinQ. The embodiment of the present invention introduces an interactive process for querying and reporting private network VLAN information between the access switch and the core switch, so that the core switch can detect the private network VLAN of the user equipment and dynamically maintain the private network VLAN entry, thereby Simplifies the configuration operation of specifying the private network VLAN on the core switch. Even if the VLAN on the port on the user device is changed or the VLAN is deleted, the private network VLAN entry can be dynamically and automatically updated on the core switch.

[0036] On the other hand, when there is external traffic sent to the user equipment, but the destination IP address does not have a corresponding ARP entry on the core switch, the core switch sends the in...

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PUM

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Abstract

The invention discloses a private network VLAN information management method and device, which is applied to QinQ network. The private network VLAN table entry is maintained according to the private network VLAN information carried in the exchanged messages, and compared with the prior art, the QinQ VLAN configuration operation on the core switching device is reduced.

Description

technical field [0001] The invention relates to the communication field, in particular to a private network VLAN information management method and equipment applied to QinQ networking. Background technique [0002] A large number of VLANs (VirtualLocalAreaNetwork, virtual local area network) are required in large-scale networks. Due to the limited number of VLANs, only 4K VLANs are supported. Therefore, it is necessary to expand VLANs by using QinQ technology with double-layer VLANTag (VLAN tags) to achieve 4K ×4K user distinctions. QinQ is the abbreviation of 802.1Qin802.1Q, also known as VLAN secondary encapsulation, which is used to encapsulate the user's private network VLANTag in the public network VLANTag, so that the packet can pass through the carrier's backbone network (public network) with two layers of VLANTag. [0003] figure 1 QinQ is a networking method. Each user device belongs to a private network VLAN. User traffic is connected to the aggregation layer swi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/771H04L12/773H04L45/60
Inventor 郑萍萍蒋益群孙策
Owner XINHUASAN INFORMATION TECH CO LTD
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