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Method, device and system for transparently transmitting protocol data unit bpdu message

A protocol data unit and message encapsulation technology, applied in the field of communication, can solve the problems such as the inability to guarantee the stability and fast convergence of the MSTP protocol, and the transmission risk of transparent transmission of BPDU messages, so as to ensure stability, versatility and security. , the effect of improving the ability of wide application

Inactive Publication Date: 2015-12-16
ZTE CORP
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Problems solved by technology

[0006] The main purpose of the present invention is to provide a method, device and system for transparent transmission of protocol data unit BPDU messages, to solve the problem that the transparent transmission of BPDUs in the prior art is realized by hardware, and can only be run in a broadcast mode, resulting in transparent transmission BPDU messages have limitations and transmission risks, which cannot guarantee the stability and fast convergence of MSTP protocol

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  • Method, device and system for transparently transmitting protocol data unit bpdu message

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Embodiment Construction

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] The invention provides a method, device and system for transparently transmitting a protocol data unit BPDU message.

[0028] figure 2 It is a topology diagram of BPDU processing in a network system according to an embodiment of the present invention. Such as figure 2 As shown, the BPDU transparent transmission channel is opened between the core routers of the network, that is, between at least two aggregation layer devices. The present invention creates a transparent transmission channel through the label distribution technology of the labe...

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Abstract

The invention discloses a method, device and system for transparently transmitting a protocol data unit BPDU message. Wherein, the method includes: using the label distribution protocol LDP to create one or more transparent transmission channels on the first device, and setting an external tunnel label for each transparent transmission channel; the BPDU message on the first device is transparently transmitted The channel is forwarded to the second device. Through the present invention, user requirements can be better realized, the stability, versatility and security of the spanning tree protocol can be guaranteed, and the extensive application capability of the spanning tree protocol in actual networking can be improved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method, device and system for transparently transmitting BPDU messages. Background technique [0002] The amount of data processed by the current network is increasing. With the increase of community users year by year, the demand for low-end access layer equipment is increasing. In order to avoid the broadcast storm of the second layer, multiple spanning trees are generally enabled in low-end equipment manufacturers. Protocol (Multiple Spanning Tree Protocol, referred to as MSTP). [0003] MSTP prunes the loop network into a ring-free tree network, avoids the infinite loop of packets in the network, and also provides multiple redundant paths for data forwarding, and can realize load balancing of VLAN data, and can provide Millisecond-level protection switching, the existing MSTP technology is based on multiple instances, each instance can be mapped to multiple VLANs, and its...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04L29/06H04L45/50
Inventor 沈树华
Owner ZTE CORP
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