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Method and system of implementing different type port image

A type of port mirroring and type technology, applied in the field of data communication, can solve the problem that different types of ports cannot be used for port mirroring, and achieve the effect of saving equipment costs and improving software functions

Inactive Publication Date: 2008-04-09
ZTE CORP
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcoming that port mirroring cannot be done to heterogeneous ports in the prior art, solve the problem of heterogeneous port mirroring in the prior art, not only realize the port mirroring from the WAN type interface to the Ethernet type interface, Moreover, an auxiliary Ethernet packet header can be constructed, so that common packet capture software can analyze and process the mirrored data packet

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  • Method and system of implementing different type port image

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Embodiment Construction

[0039] The implementation of the technical solution will be further described in detail below in conjunction with the accompanying drawings.

[0040] A method for realizing heterogeneous port mirroring proposed by the present invention is based on the network system connected to the router, and its specific networking environment is as follows: figure 2 shown.

[0041] R1 and R2 are routers for interconnection between the two networks. They are connected through WAN lines. Here, the WAN interface can be E1 / CE1, T1 / CT1, POS / CPOS, etc. The WAN protocol can be PPP, Frame-Relay, or HDLC. Under normal circumstances, the communication content of these two networks is unknown. Since the wide area network protocol is used for communication, it is more difficult to monitor and analyze the communication content.

[0042] R2 is a router implemented according to the method, and the hardware part is composed of physical interface, main control board, switching backplane and forwarding si...

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Abstract

The invention provides a method for implementing the mirroring of heterotypic ports, which can monitor heterotypic ports with the aid of software based on the existing router hardware frame. The line of wide area network such as E1, CE1 or T1 is mirrored to the Ethernet type interface, and the package of data header is changed without changing the content of the data packet to convert the message header of the PPP, Frame-Relay or HDLC protocol of the data link layer into the Ethernet type message header, thereby allowing the PC accessing to the Ethernet interface to analyze the data packet by using the common packet-capturing software. The invention is implemented by updating the router software only without using the extra hardware and special analysis equipment, thereby saving the costs. Additionally, the flexible and versatile monitoring modes are realized upon the various parameter configurations of the port mirroring software.

Description

technical field [0001] The invention relates to a method and a system for realizing heterogeneous port mirroring, in particular to the port mirroring technology in the field of data communication. Background technique [0002] In the network environment of Ethernet switches and routers, it is generally possible to monitor one or more Ethernet interfaces through the port mirroring function, so that the data inside the network can be monitored and managed. When the network fails, it can be done. to a good fault location. [0003] However, at present, switches or routers that support port mirroring function are widely used to realize the monitoring of the network by configuring the switch or router to forward the data of one or more ports to a certain port. This monitoring is currently limited to the Ethernet type For the port of the WAN type, no device can support it yet. And if a professional WAN interface analysis instrument is used, the price is too high. At present, alm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/06
Inventor 林晨郑轶卢中军陈尔严孙勇
Owner ZTE CORP
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