Method for message processing in VPLS service network and device

A service network and virtual private technology, applied in the field of edge network equipment of service providers, can solve the problem of wasting network bandwidth resources, save network bandwidth resources, reduce the pressure of message flooding and forwarding, and reduce traffic.

Inactive Publication Date: 2009-12-30
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0016] The technical problem to be solved by the embodiments of the present invention is to provide a method for processing packets in a VPLS network and a PE to reduce the flooding traffic of unknown

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  • Method for message processing in VPLS service network and device
  • Method for message processing in VPLS service network and device
  • Method for message processing in VPLS service network and device

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[0038] The present invention proposes a message processing method in a VPLS network. When a PE maintains a CE side MAC address in the MAC address forwarding table of its own VSI, if it detects that the destination MAC address from the PW is the MAC address The first message, the unicast message whose source MAC address is the MAC address is actively returned to the PW, so that the PE at the opposite end of the PW can quickly learn the MAC address without passively waiting for the message sent by the second user to reach itself After learning the MAC address, the flooding of unknown unicast packets is changed to the unicast forwarding of known unicast packets, which reduces the traffic generated by the flooding of unknown unicast packets in the VPLS network and saves network bandwidth. The purpose of the resource. In the following, the present invention will be further described through specific embodiments in conjunction with the accompanying drawings.

[0039] Still combined figu...

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Abstract

The invention provides a method for message processing in VPLS service network and a device. In the method, if monitoring a first message which comes form PW and has a target MAC address of a second MAC address, PE actively returns a unicast message whose MAC original address is a second MAC address to PW, so that PE on the opposite terminal of PW can quickly learn the second MAC address; thus, flow produced during flooding treatment to the unicast message in the VPLS network is greatly lowered so as to save network bandwidth resource.

Description

technical field [0001] The present invention relates to the field of virtual private local area network service (VPLS, Virtual Private LAN Service) network technology, in particular to a method for message processing in a VPLS network and service provider edge network equipment (PE, Provider Edge). Background technique [0002] VPLS is also called Transparent LAN Service (TLS, Transparent LAN Service) or Virtual Private Switched Network Service (Virtual Private Switched Network Service), which is a point-to-multipoint Layer 2 (data link road layer) virtual private network (VPN, Virtual Private Network) business. In the VPLS network, user sites are connected by a multi-point network, which is different from the point-to-point (P2P, Point to Point) connection service provided by the traditional VPN. VPLS actually leases a series of virtual switches created on PEs to users. The networking of virtual switches is exactly the same as that of traditional switches. In this way, us...

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Application Information

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IPC IPC(8): H04L12/56H04L12/46H04L12/947
Inventor 金小艇王茹萍
Owner NEW H3C TECH CO LTD
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