CN101958888A - Configuration method of port negotiation capacity, communication port and communication device - Google Patents
Configuration method of port negotiation capacity, communication port and communication device Download PDFInfo
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- CN101958888A CN101958888A CN2010101883507A CN201010188350A CN101958888A CN 101958888 A CN101958888 A CN 101958888A CN 2010101883507 A CN2010101883507 A CN 2010101883507A CN 201010188350 A CN201010188350 A CN 201010188350A CN 101958888 A CN101958888 A CN 101958888A
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Abstract
The invention discloses a configuration method of port negotiation capacity, a communication port and a communication device. The method comprises the following steps of: acquiring state information of a communication cable connected with the port; and configuring the negotiation capacity of the port according to the state information of the communication cable. The collocation method of the port negotiation capacity, the communication port and the communication device can automatically configure the negotiation capacity of the port according to the state information of the communication cable and improve the connection stability and the connection reliability of the port.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of collocation method, communication port and communication equipment of port negotiation ability.
Background technology
Ethernet is a kind of standardization local area network (LAN) interconnection technique, (Institute of Electrical and Electronics Enginners IEEE) defines among Fa Bu the normative document IEEE 802.3 its major technique standard in U.S. electric and Electronic Engineering Association.Wherein, it is dissimilar Ethernet can be divided into 10M, 100M, 1000M etc. according to the difference of transmission rate, and the transmission rate of Ethernet relies on ethernet port and transmission medium to guarantee, because the ethernet port of different transmission rates normally coexists at present, be the needs of same ethernet port applicable to the network of different transmission rates, therefore, ethernet port generally is provided with the ability to work of supported transmission rate, so that hold consultation between the different port, realize the transfer of data of specific transmission rate.
Wherein, IEEE 802.3 has stipulated that the mechanism of auto-negotiation is can interconnect normally between the port that guarantees different rates, wherein, for unshielded twisted pair (Unshielded Twisted Paired, UTP) port of form, its auto-negotiation is mutual by being called fast link pulse FLP signal, determine the high workload ability that the port both sides all support, with this as the operating rate between the communication port, and after the transmission rate between both sides determine, communication port both sides need be by continual opposite end active data or the idle message signals of receiving, Idle frame for example is to keep connection stable between the communication port.
At present, general all is to configure its required ability to work in advance by the user on ethernet port, and this required ability to work generally is to be the supported all working ability of port, when connecting between two ports, can be according to the regulation of IEEE802.3, automatically consult to set up the connection of supported high workload ability between the both sides, so that can communicate according to the transmission rate of setting between the ethernet port at two ends.For example, when the highest common territory of the ethernet port at two ends was the defeated ethernet standard 1000BASE-T of gigabit electricity oral instructions, the ethernet port at two ends will connect by 1000BASE-T by automatic negotiation.
But, if cable breaks down or when making that because of other reason the transmission rate of cable can't be supported to consult the ability to work of both sides' port, between the two-port if still according to the connection of holding consultation of user configured ability to work, the then two-port trial that will constantly reconnect, and can't set up stable connection all the time, thereby cause communication unstable, perhaps cause garble.
Summary of the invention
The invention provides a kind of collocation method, communication port and communication equipment of port negotiation ability, can be effectively the negotiation ability of port be disposed automatically, between port, set up stable connection, guarantee the stability and the reliability of communication.
The invention provides a kind of collocation method of port negotiation ability, comprising:
Obtain the state information of the communications cable that is connected with port;
According to the state information of the described communications cable, dispose the negotiation ability of described port.
The invention provides a kind of communication port, comprising:
The information acquisition module is used to obtain the state information of the communications cable that is connected with port;
The ability configuration module is used for the state information according to the described communications cable, disposes the negotiation ability of described port.
The invention provides a kind of communication equipment, comprise above-mentioned described communication port.
The collocation method of port negotiation ability provided by the invention, communication port and communication equipment, by state according to the communications cable that is connected with port, the negotiation ability of automatic configured port, make that port can negotiation ability and other port negotiation of configuration connect automatically according to this, because the negotiation ability of port of configuration is with the state matches of the communications cable, therefore, stable, reliable based on the connection between the port of this negotiation ability foundation, can effectively guarantee the stability and the reliability that communicate to connect, guarantee the accuracy of communication.
Description of drawings
Fig. 1 is the schematic flow sheet of the collocation method embodiment one of port negotiation ability of the present invention;
Fig. 2 is the schematic flow sheet of the collocation method embodiment two of port negotiation ability of the present invention;
Fig. 3 is the structural representation of communication port embodiment one of the present invention;
Fig. 4 is the structural representation of communication port embodiment two of the present invention;
Fig. 5 is the structural representation of ability configuration module among the communication port embodiment of the present invention;
Fig. 6 is the structural representation of communication equipment embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the schematic flow sheet of the collocation method embodiment one of port negotiation ability of the present invention.As shown in Figure 1, the present embodiment method comprises the steps:
Present embodiment can be applicable in the connection of ethernet port, so as can to set up between the ethernet port stable, communicate to connect reliably.Particularly, present embodiment can be by obtaining the state of the communications cable that is connected with port, negotiation ability with automatic configured port, make port to connect according to negotiation ability and other port negotiation of configuration, because this negotiation ability is according to the state configuration of cable, therefore, can effectively guarantee connection stability and reliability.
To sum up, present embodiment is by the state according to the communications cable that is connected with port, the negotiation ability of automatic configured port, make that port can negotiation ability and other port negotiation of configuration connect automatically according to this, because the negotiation ability of port of configuration is with the state matches of the communications cable, therefore, the connection between the port of setting up based on this negotiation ability is stable, reliable, can effectively guarantee the stability and the reliability that communicate to connect, guarantee the accuracy of communication.
Fig. 2 is the schematic flow sheet of the collocation method embodiment two of port negotiation ability of the present invention.Present embodiment can be applicable in the connection of ethernet port, particularly, can be applicable to the port of switch, so that establish a communications link with other port, as shown in Figure 2, present embodiment can comprise the steps:
In this step, can be by the communications cable be detected, obtain the length of cable of the communications cable, the state informations such as impedance matching situation that cable connects logarithm and cable, in the present embodiment, can pass through domain reflectometer (Time Domain Reflectometer, TDR) communications cable is monitored, obtain the state information of the communications cable, the state information of the communications cable comprises that length of cable, cable connect the state informations such as impedance matching situation of logarithm and cable.
Particularly, when detecting, can calculate the state informations such as impedance matching situation of length of cable, cable connection logarithm and cable according to the reflected signal strength of the signal pulse that sends by domain reflectometer.
In addition, in the present embodiment, also can be by Digital Signal Processing (Digital Signal Processor is set, DSP) calculate, to realize the detection of more information, for example can detect cable the return loss parameter, insert loss and information such as crosstalk, particularly, can be according to the applying detection proper state information of reality, to improve accuracy and the reliability that cable detects.
Because cable is when damage or other fault, possibly can't satisfy the various abilities to work of user's configured in advance, therefore, behind the state of the communications cable that detects the port connection, can judge whether the present communications cable can satisfy user configured ability to work according to the state of the communications cable.For example, the user is provided with the ability to work of 1000BASE-T, but detect by cable, cable when finding cable work connects logarithm and has only 2 pairs, and perhaps length of cable is greater than 100 meters, at this moment, the ability to work of the 1000BASE-T that the user is provided with can't be met, if and port when connecting with other port negotiation, can't be set up stable, reliable connection still according to the ability of this user configured 1000BASE-T.
In this step, in the time can't satisfying the ability to work of user's configured in advance according to the present cable of the condition judgement of the communications cable, the then statement of the negotiation ability of reconfigurable port, reconfigure the ability to work of port, and the ability to work that reconfigures should be no more than user configured peak work capacity scope, the unsupported maximum capacity of present cable can be got rid of to get final product.
In this step, in the time can satisfying the ability to work of user's configured in advance, then can be directly be configured by the ability to work of user's configured in advance negotiation ability to port according to the present cable of the condition judgement of the communications cable.
In the present embodiment, can be at system boot, after perhaps the user is configured the ability to work of port, carry out above-mentioned step 201, detect with the communications cable that port is connected, whether the state of obtaining communication cable supports the ability to work of user's configured in advance to determine present cable, with the negotiation ability of configured port.
In the present embodiment, after the negotiation ability to port is configured, can hold consultation according to negotiation ability and the Peer-Port of configuration, being connected between foundation and the Peer-Port is and at port successful connection (link
Ok) after, enter normal operating state.
In the present embodiment, after the port operate as normal, when if port enters connection inefficacy (link down) state from the normal operating conditions disengaging, communications cable fault or other state change, therefore, then can re-execute step 201, the communications cable that port is connected detects, to reconfigure the negotiation ability of port, can set up stable connection to guarantee port.
It will be understood by those skilled in the art that, the negotiation ability of the port described in the present embodiment promptly is meant the ability to work when port is set up stable the connection, port can be supported the peak work capacity that is provided with on the port when this negotiation ability and other port connect.
In summary it can be seen, present embodiment detects by the communications cable that port is connected, can obtain the state of the communications cable that is connected with port, and can determine the negotiation ability of port according to the state of the communications cable, so that when the communications cable is not supported the ability to work of user's setting in advance, reconfigure the negotiation ability of port, so that port is under the negotiation ability that reconfigures, stablize, be connected reliably with other port foundation, guarantee communication accuracy and reliability.
Fig. 3 is the structural representation of communication port embodiment one of the present invention.Particularly, as shown in Figure 3, the present embodiment device can comprise information acquisition module 1 and ability configuration module 2, wherein,
Present embodiment can be applicable in the connection of ethernet port, so as can to set up between the ethernet port stable, communicate to connect reliably.Its specific implementation process can not repeat them here with reference to the explanation among the invention described above method embodiment.
Present embodiment is by the state according to the communications cable that is connected with port, the negotiation ability of automatic configured port, make that port can negotiation ability and other port negotiation of configuration connect automatically according to this, because the negotiation ability of port of configuration is with the state matches of the communications cable, therefore, connection between the port of setting up based on this negotiation ability is stable, reliable, can effectively guarantee the stability and the reliability that communicate to connect, guarantees the accuracy of communication.
Fig. 4 is the structural representation of communication port embodiment two of the present invention.On the basis of above-mentioned technical scheme embodiment illustrated in fig. 3, present embodiment information acquisition module 1 specifically can be used for the communications cable that is connected with port is detected, and obtains the state information with the communications cable; Ability configuration module 2 specifically can be used for the state information according to the communications cable, determine whether the communications cable can satisfy the pre-configured ability to work of user, if the communications cable can't satisfy the pre-configured ability to work of user, then reconfigure the ability to work of port, and the ability to work that reconfigures port is no more than the scope of the pre-configured ability to work of user.
Wherein, information acquisition module 1 specifically can be monitored the communications cable by domain reflectometer TDR, obtain the state information of the described communications cable, and the state information of the described communications cable can comprise that length of cable, cable connect the state informations such as impedance matching situation of logarithm and cable.
In the present embodiment, as shown in Figure 4, also can comprise negotiation module 3, be used for the negotiation ability configuration of port after, hold consultation being connected between foundation and the Peer-Port according to negotiation ability and the Peer-Port of configuration.
Fig. 5 is the structural representation of ability configuration module among the communication port embodiment of the present invention.Particularly, as shown in Figure 5, ability configuration module 2 specifically can comprise ability determining unit 21, first dispensing unit 22 and second dispensing unit 23 in the present embodiment, wherein:
The present embodiment device is specifically as follows the communication port of switch, particularly, as shown in Figure 4, the present embodiment device also can comprise data processing chip interface module 4, coding/modular converter 5 and signal transmitting and receiving module 6, wherein, data processing chip interface module 4 can send to the data message that receives from port data processor and handle, and perhaps the message that data processor is sent sends from port; Coding/modular converter 5 can be converted into the manageable message of data processor to the message that receives, and perhaps the message of data processor is changed into the message of physical layer transmission agreement; Signal transmitting and receiving module 6 is used to carry out the reception of data message, can be digital signal with the analog signal conversion that receives, and the digital signal that needs are sent converts analog signal to, with reception or the transmission of carrying out message.The concrete structure of data processing chip interface module 4, coding/modular converter 5 and signal transmitting and receiving module 6 is identical or similar with the communication port of existing switch with function, does not repeat them here.
The present embodiment device can be on the basis of the communication port of existing switch, configuration information acquisition module 1 and ability configuration module 2, to realize detection to the communications cable, the state of obtaining communication cable, and the port negotiation ability is provided with automatically, improve port connection stability and reliability purpose thereby reach, guarantee the accuracy of communication.
Present embodiment can be applicable in the connection of port, state by the communications cable that port is connected detects, the state information of obtaining communication cable, and can be according to the negotiation ability of the state configuration port of the communications cable, to guarantee port connection stability and reliability, its specific implementation process can not repeat them here with reference to the explanation of the invention described above method embodiment two.
Fig. 6 is the structural representation of communication equipment embodiment of the present invention.The present embodiment communication equipment is specifically as follows switch, comprise communication port, so that establish a communications link by communication port and other port, particularly, as shown in Figure 6, the present embodiment communication equipment specifically can comprise: central processing unit 10, data processor 20 and communication port 30, wherein, but central processing unit 10 run user programs realize and user interface configuration communication port and data processor etc.; Data processor 20 can carry out the processing of data message, as functions such as data exchange, routes; Communication port 30 can be made of physical chip, connects to be implemented in physical layer, and correct data message is sent or receives in physical layer.
In the present embodiment, communication port 30 specifically also can comprise described each functional module of the invention described above communication port embodiment, it can be by the state of obtaining communication cable, the negotiation ability of automatic configured port, so that when communication equipment is connected with the communication port of miscellaneous equipment, can effectively guarantee the stability and the reliability that communicate to connect, its concrete structure and function can not repeat them here with reference to the explanation of the invention described above communication port embodiment.
Present embodiment can be by the state of obtaining communication cable, the negotiation ability of automatic configured port, make that port can negotiation ability and other port negotiation of configuration connect automatically according to this, because the negotiation ability of port of configuration is with the state matches of the communications cable, therefore, connection between the port of setting up based on this negotiation ability is stable, reliable, can effectively guarantee the stability and the reliability that communicate to connect, guarantees the accuracy of communication.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the collocation method of a port negotiation ability is characterized in that, comprising:
Obtain the state information of the communications cable that is connected with port;
According to the state information of the described communications cable, dispose the negotiation ability of described port.
2. the collocation method of port negotiation ability according to claim 1 is characterized in that, the described state information of obtaining the communications cable that is connected with port comprises:
The described communications cable that is connected with described port is detected, obtain state information with the described communications cable.
3. the collocation method of port negotiation ability according to claim 2 is characterized in that, described the described communications cable that is connected with described port is detected, and the state information of obtaining with the described communications cable comprises:
TDR monitors the communications cable by domain reflectometer, obtains the state information of the described communications cable, and the state information of the described communications cable comprises: length of cable, cable connect the impedance matching situation of logarithm and cable.
4. according to the collocation method of the arbitrary described port negotiation ability of claim 1～3, it is characterized in that, described state information according to the described communications cable, the negotiation ability that disposes described port comprises:
According to the state information of the described communications cable, determine whether the described communications cable can satisfy the pre-configured ability to work of user;
If the described communications cable can't satisfy the pre-configured ability to work of user, then reconfigure the ability to work of port, and the described ability to work that reconfigures port is no more than the scope of the pre-configured ability to work of user;
If the described communications cable satisfies the pre-configured ability to work of user, then port is configured according to the pre-configured ability to work of user.
5. the collocation method of port negotiation ability according to claim 1 is characterized in that, also comprises:
After the configuration of the negotiation ability of port, hold consultation being connected between foundation and the Peer-Port according to negotiation ability and the Peer-Port of configuration.
6. a communication port is characterized in that, comprising:
The information acquisition module is used to obtain the state information of the communications cable that is connected with port;
The ability configuration module is used for the state information according to the described communications cable, disposes the negotiation ability of described port.
7. communication port according to claim 6 is characterized in that, described information acquisition module specifically is used for the described communications cable that is connected with described port is detected, and obtains the state information with the described communications cable.
8. according to claim 6 or 7 described communication port, it is characterized in that described ability configuration module comprises:
Ability determining unit is used for the state information according to the described communications cable, determines whether the described communications cable can satisfy the pre-configured ability to work of user;
First dispensing unit is used for then reconfigure the ability to work of port, and the described ability to work that reconfigures port being no more than the scope of the pre-configured ability to work of user if the described communications cable can't satisfy the pre-configured ability to work of user;
Second dispensing unit is used for then according to the pre-configured ability to work of user port being configured if the described communications cable satisfies the pre-configured ability to work of user.
9. communication port according to claim 6 is characterized in that, also comprises:
Negotiation module, be used for the negotiation ability configuration of port after, hold consultation being connected between foundation and the Peer-Port according to negotiation ability and the Peer-Port of configuration.
10. a communication equipment is characterized in that, comprises the arbitrary described communication port of claim 6～9.
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| CN2010101883507A CN101958888A (en) | 2010-05-21 | 2010-05-21 | Configuration method of port negotiation capacity, communication port and communication device |
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| CN2010101883507A CN101958888A (en) | 2010-05-21 | 2010-05-21 | Configuration method of port negotiation capacity, communication port and communication device |
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| CN102215067A (en) * | 2011-07-11 | 2011-10-12 | 福建星网锐捷网络有限公司 | Port auto negotiation method and device |
| CN103222251A (en) * | 2012-11-29 | 2013-07-24 | 华为技术有限公司 | Ether port auto-negotiation and communication equipment |
| CN103795557A (en) * | 2012-10-31 | 2014-05-14 | 杭州华三通信技术有限公司 | Method, device, and system for synchronizing port modes between devices |
| WO2017202241A1 (en) * | 2016-05-23 | 2017-11-30 | 中兴通讯股份有限公司 | Crosstalk detection method and apparatus, and operation maintenance server |
| CN108243036A (en) * | 2016-12-26 | 2018-07-03 | 华为技术有限公司 | Interface fault processing method, equipment and system |
| CN109818877A (en) * | 2019-01-22 | 2019-05-28 | 深圳市网是科技有限公司 | A method of the data transmission distance that automatically prolongs is realized by Port detecting algorithm |
| CN112269753A (en) * | 2020-10-23 | 2021-01-26 | 苏州浪潮智能科技有限公司 | PCIE link management method, system and related assembly |
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| CN102215067A (en) * | 2011-07-11 | 2011-10-12 | 福建星网锐捷网络有限公司 | Port auto negotiation method and device |
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| CN107426044A (en) * | 2016-05-23 | 2017-12-01 | 中兴通讯股份有限公司 | One kind is being got lines crossed detection method, device and Operation and Maintenance server |
| CN108243036A (en) * | 2016-12-26 | 2018-07-03 | 华为技术有限公司 | Interface fault processing method, equipment and system |
| CN109818877A (en) * | 2019-01-22 | 2019-05-28 | 深圳市网是科技有限公司 | A method of the data transmission distance that automatically prolongs is realized by Port detecting algorithm |
| CN112269753A (en) * | 2020-10-23 | 2021-01-26 | 苏州浪潮智能科技有限公司 | PCIE link management method, system and related assembly |
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Application publication date: 20110126 |