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Method for realizing PPPOE packaged multicast protocol message handling

A protocol message and multicast protocol technology, which is applied in branch offices providing special services, data exchange details, data exchange through path configuration, etc. It can solve the problem that multicast protocol messages cannot be controlled and processed.

Inactive Publication Date: 2015-04-01
SHANGHAI GONGJIN COMM TECH
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  • Summary
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, in a home router, if the set-top box on the LAN side uses PPPOE dial-up to obtain an IP address, the packets sent in this situation will be processed as unicast and forwarded through the router. At this time, the multicast protocol packets cannot be accurately control processing

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  • Method for realizing PPPOE packaged multicast protocol message handling
  • Method for realizing PPPOE packaged multicast protocol message handling

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Embodiment Construction

[0024] In order to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.

[0025] Such as figure 1 Shown, in order to realize above-mentioned purpose of the invention, the realization of the present invention to the method for the multicast protocol message processing of PPPOE encapsulation comprises the following steps:

[0026] (1) The router determines whether to offset and extract the message according to the protocol type of the protocol message;

[0027] (2) The router judges whether the protocol packet is a multicast protocol packet.

[0028] In a preferred implementation manner, the router determines whether to offset the extracted message according to the protocol type of the protocol message, specifically:

[0029] After the router determines the protocol type of the protocol message, it directly extracts the IP-encapsulated protocol message or extracts the offset leng...

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Abstract

The invention relates to a method for realizing PPPOE packaged multicast protocol message handling. The method comprises the following steps: judging the type of a protocol of a protocol message by a route; then, directly extracting the lengths of offset PPPOE headers of an IP packaged protocol message or a PPPOE packaged protocol message; judging whether the protocol message is a multicast protocol message by the route according to a transmission target. By adopting the method for realizing the PPPOE packaged multicast protocol message handling, a layer-by-layer stripping analysis way on a LAN side data message is carried out when the data message is received in an inner core drive; based on the layer-by-layer analysis from a data link layer to an internet layer, the multicast protocol message handling on the PPPOE header is added in the route, so that the phenomenon that the PPPOE packaged multicast protocol message is directly used as a unicast data package to be forwarded when the multicast protocol message passes through the route is avoided, and the multicast protocol message is accurately controlled; therefore, the method has a wider application range.

Description

technical field [0001] The invention relates to the technical field of routers, in particular to the technical field of IPTV services of routers, and specifically refers to a method for realizing the processing of multicast protocol messages encapsulated by PPPOE. Background technique [0002] In routers, common multicast protocol packets do not have PPPOE (Point-to-Point Protocol over Ethernet, point-to-point protocol over Ethernet) headers, and are purely multicast packets. The destination Mac and destination IP are both multicast types. of. However, in actual use, in order to meet the needs of security authentication, set-top boxes used in some areas adopt the method of PPPOE dial-up to obtain IP. It is directly forwarded as a unicast packet. Therefore, in a home router, if the set-top box on the LAN side uses PPPOE dial-up to obtain an IP address, the packets sent in this situation will be processed as unicast and forwarded through the router. At this time, the multica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/18
Inventor 黄海进
Owner SHANGHAI GONGJIN COMM TECH
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