CN104125174A - Data transmission method for stacked switching system - Google Patents
Data transmission method for stacked switching system Download PDFInfo
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- CN104125174A CN104125174A CN201310145142.2A CN201310145142A CN104125174A CN 104125174 A CN104125174 A CN 104125174A CN 201310145142 A CN201310145142 A CN 201310145142A CN 104125174 A CN104125174 A CN 104125174A
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Abstract
The invention provides a data transmission method for a stacked switching system. The data transmission method comprises connecting line cards of the stacked switching system with CPU integrated network ports of a main control card through a switching chip, and constructing a two-layer local area network; allocating MAC addresses for the CPU integrated network ports; and modifying data transmitting and receiving drives of the line cards and the CPU integrated network ports in the main control card, and ensuring the CPU integrated network ports can transmit and receive only data packs with MAC addresses. Compared with the prior art, the data transmission method for the stacked switching system allows business data to be transmitted from a stacked port of the switching chip, and control data and management data to be transmitted from the two-layer local area network based on the MAC addresses. On the one hand, the separation of the business data from the management and control data is fundamentally ensured, for the business data and the management and control data are transmitted via different transmission channels; and on the other hand, IP addresses that users may use are not occupied.
Description
[technical field]
The present invention relates to the data transmission method of stacked switchboard system, relate in particular to stacked switch management data and control the transmission channel implementation of data.
[background technology]
Three kinds of data of general existence in stacked switchboard system: business datum, management data, control data.Business datum is user data.Controlling data is generally protocol data.Management data is the data that pile system is managed.
At present, the transmission method of business datum, management data, control data, modal a kind of implementation is, business datum, still control data, management data and all walk exchange chip stacking opening, this implementation Shortcomings: user likely receives internal control, the management packets of stacked switchboard system operation, but user's real concern is business datum; Another implementation is, by business datum and control and management data separated transmission, business datum is walked exchange chip stacking opening, control data, management data are walked IP-based three layers of band outer net, its shortcoming is that inner three layers of band outer net take some IP addresses, and these IP address users also may need to use.
[summary of the invention]
The technical problem that the present invention need solve is to overcome above-mentioned deficiency, and a kind of data transmission method of stacked switchboard system of optimization is provided.
For solving above-mentioned technical problem, the present invention has designed a kind of data transmission method of stacked switchboard system, it comprises: Step1: the integrated network interface of CPU of each line card of stacked switchboard system and main control card is coupled together by stupid exchange chip, build two layers of local area network (LAN); Step2: distribute MAC Address to the integrated network interface of above-mentioned each CPU; Step3: revise the integrated network interface data input and data output of CPU on each line card and main control card and drive, guarantee that the integrated network interface energy of above-mentioned each CPU sending and receiving is to the packet with MAC Address only.
Further improve as the present invention, each line card and main control card are installed in the physical slot of machine frame, and the physical slot position that the MAC Address of distributing in Step2 and each line card and main control card are installed in machine frame exists one-to-one relationship.
The present invention builds two layers of local area network (LAN) by stupid exchange chip by stacked switchboard system, has realized the transmission channel of the double layered communication based on MAC Address of a band outer net (i.e. two layers of local area network (LAN)), special control, the management data of transmitting.Compared with prior art, business datum of the present invention can be walked exchange chip stacking opening transmission, and control data, management data is walked two layers of local area network (LAN)s transmission based on MAC Address.Fundamentally ensured on the one hand business datum with management, control separating of data, because they walk different transmission channels; Do not take on the other hand the IP address that user may use.
[brief description of the drawings]
Fig. 1 is the structure chart of stacked switchboard system of the present invention.
[embodiment]
Below in conjunction with drawings and embodiments, the invention will be further described.
The data transmission method that the invention provides a kind of stacked switchboard system, is applied in stacked switchboard system.Stacked switchboard system generally comprises the main control card of multiple line cards and its management role.Multiple line cards and main control card are installed in the physical slot of machine frame.
Each line card is connected by stack port with main control card, forms stackable switch system.In stacked switchboard system of the present invention, the business datum of each line card and main control card is walked stack port transmission.And management data separates with the transmission channel of control data and the transmission channel of business datum, the present invention builds two layers of local area network (LAN), realize the transmission channel of the double layered communication based on MAC Address of a band outer net (i.e. two layers of local area network (LAN)), special control, the management data of transmitting.
The inventive method realizes means and comprises: the integrated network interface of CPU of each line card of stacked switchboard system and main control card is coupled together by stupid exchange chip, build two layers of local area network (LAN); Distribute MAC Address to the integrated network interface of above-mentioned each CPU; Revise the integrated network interface data input and data output of CPU on each line card and main control card and drive, guarantee that the integrated network interface energy of above-mentioned each CPU sending and receiving is to the packet with MAC Address only.
As shown in Figure 1, be a kind of embodiment of the inventive method.Line card 1 is connected with the stack port of main control card with line card 2, is used for transmitting user data by stack port.And the integrated network interface of CPU of line card 1 and line card 2 is connected with stupid exchange chip with the integrated network interface of CPU of main control card, build two layers of local area network (LAN) (being with outer net) by stupid exchange chip.Distribute MAC Address to the integrated network interface of CPU of line card 1, line card 2, main control card, MAC Address and line card 1, line card 2, main control card are installed on the physical slot position one-to-one relationship in machine frame.Revise the integrated network interface data input and data output of CPU on each line card and main control card again and drive, the integrated network interface energy sending and receiving of guaranteeing above-mentioned line card 1, line card 2, main control card is to the packet with MAC Address only.Thereby, the management data of line card 1, line card 2 and main control card and the communications of controlling data in these two layers of local area network (LAN)s, the transmission of the double layered communication based on MAC Address.
The present invention builds two layers of local area network (LAN) by stupid exchange chip by stacked switchboard system, has realized the transmission channel of the double layered communication based on MAC Address of a band outer net (i.e. two layers of local area network (LAN)), special control, the management data of transmitting.Compared with prior art, business datum of the present invention can be walked exchange chip stacking opening transmission, and control data, management data is walked two layers of local area network (LAN)s transmission based on MAC Address.Fundamentally ensured on the one hand business datum with management, control separating of data, because they walk different transmission channels; Do not take on the other hand the IP address that user may use.
Above-described is only embodiments of the present invention, it should be pointed out that for the person of ordinary skill of the art at this, without departing from the concept of the premise of the invention, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (2)
1. a data transmission method for stacked switchboard system, is characterized in that, the method comprises the following steps:
Step1: the integrated network interface of CPU of each line card of stacked switchboard system and main control card is coupled together by stupid exchange chip, build two layers of local area network (LAN);
Step2: distribute MAC Address to the integrated network interface of above-mentioned each CPU;
Step3: revise the integrated network interface data input and data output of CPU on each line card and main control card and drive, guarantee that the integrated network interface energy of above-mentioned each CPU sending and receiving is to the packet with MAC Address only.
2. the data transmission method of a kind of stacked switchboard system according to claim 1, is characterized in that,
Each line card and main control card are installed in the physical slot of machine frame, and the physical slot position that the MAC Address of distributing in Step2 and each line card and main control card are installed in machine frame exists one-to-one relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310145142.2A CN104125174A (en) | 2013-04-24 | 2013-04-24 | Data transmission method for stacked switching system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310145142.2A CN104125174A (en) | 2013-04-24 | 2013-04-24 | Data transmission method for stacked switching system |
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| CN104125174A true CN104125174A (en) | 2014-10-29 |
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| CN201310145142.2A Pending CN104125174A (en) | 2013-04-24 | 2013-04-24 | Data transmission method for stacked switching system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104320359A (en) * | 2014-11-24 | 2015-01-28 | 上海斐讯数据通信技术有限公司 | Data package transmission method and system of stack-based exchanger |
| CN104363189A (en) * | 2014-12-05 | 2015-02-18 | 上海斐讯数据通信技术有限公司 | Universal protocol debugging method and universal protocol debugging system of stacking switch |
| CN107342958A (en) * | 2017-06-29 | 2017-11-10 | 迈普通信技术股份有限公司 | Distributed communication equipment and interplate communication method |
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| CN101159583A (en) * | 2007-08-28 | 2008-04-09 | 华为技术有限公司 | Inter-plate communication method, system and device |
| CN101488862A (en) * | 2009-02-23 | 2009-07-22 | 中兴通讯股份有限公司 | Distributed Ethernet switch and internal MAC address maintaining method thereof |
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Patent Citations (5)
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| CN1490978A (en) * | 2003-08-18 | 2004-04-21 | 北京港湾网络有限公司 | Scheme with external channels |
| CN1909559A (en) * | 2006-08-30 | 2007-02-07 | 杭州华为三康技术有限公司 | Interface board based on rapid periphery components interconnection and method for switching main-control board |
| CN101052013A (en) * | 2007-05-22 | 2007-10-10 | 杭州华三通信技术有限公司 | Method and system for realizing network equipment internal managing path |
| CN101159583A (en) * | 2007-08-28 | 2008-04-09 | 华为技术有限公司 | Inter-plate communication method, system and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104320359A (en) * | 2014-11-24 | 2015-01-28 | 上海斐讯数据通信技术有限公司 | Data package transmission method and system of stack-based exchanger |
| CN104363189A (en) * | 2014-12-05 | 2015-02-18 | 上海斐讯数据通信技术有限公司 | Universal protocol debugging method and universal protocol debugging system of stacking switch |
| CN104363189B (en) * | 2014-12-05 | 2018-07-31 | 上海斐讯数据通信技术有限公司 | The protocol debugging universal method and system of stacked switch |
| CN107342958A (en) * | 2017-06-29 | 2017-11-10 | 迈普通信技术股份有限公司 | Distributed communication equipment and interplate communication method |
| CN107342958B (en) * | 2017-06-29 | 2020-06-09 | 迈普通信技术股份有限公司 | Distributed communication equipment and inter-board communication method |
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Application publication date: 20141029 |