CN106850264B - A kind of network equipment - Google Patents

A kind of network equipment Download PDF

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Publication number
CN106850264B
CN106850264B CN201611240146.9A CN201611240146A CN106850264B CN 106850264 B CN106850264 B CN 106850264B CN 201611240146 A CN201611240146 A CN 201611240146A CN 106850264 B CN106850264 B CN 106850264B
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China
Prior art keywords
switching module
time
module
data transmission
out data
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CN201611240146.9A
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Chinese (zh)
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CN106850264A (en
Inventor
郑波
张亮
叶耀文
范颖
王玲
杨博林
闵清
祁小龙
陈昊
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武汉船舶通信研究所
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Priority to CN201611240146.9A priority Critical patent/CN106850264B/en
Publication of CN106850264A publication Critical patent/CN106850264A/en
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Publication of CN106850264B publication Critical patent/CN106850264B/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/06Arrangements for maintenance or administration or management of packet switching networks involving management of faults or events or alarms
    • H04L41/0654Network fault recovery
    • H04L41/0659Network fault recovery by isolating the faulty entity
    • H04L41/0663Network fault recovery by isolating the faulty entity involving offline failover planning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing packet switching networks
    • H04L43/10Arrangements for monitoring or testing packet switching networks using active monitoring, e.g. heartbeat protocols, polling, ping, trace-route
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/55Error prevention, detection or correction
    • H04L49/555Error detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/55Error prevention, detection or correction
    • H04L49/557Error correction, e.g. fault recovery or fault tolerance

Abstract

The invention discloses a kind of network equipments, belong to redundancy technique field.The network equipment includes: AM access module, the first Switching Module, the second Switching Module and transmission module, and AM access module is connect with the first Switching Module and the second Switching Module, and transmission module is connect with the first Switching Module and the second Switching Module;AM access module includes: first acquisition unit, for obtaining the power-on time of the first Switching Module;Second acquisition unit, for obtaining the heartbeat signal of the first Switching Module;Third acquiring unit, for obtaining the power-on time of the second Switching Module;4th acquiring unit, for obtaining the power-on time of the second Switching Module;First computing unit calculates the difference of the time and power-on time that get first heartbeat signal after the second Switching Module powers on for calculating the time and the difference of power-on time that get first heartbeat signal after the first Switching Module powers on;First selecting unit, the Switching Module for selecting difference small carry out data transmission.

Description

A kind of network equipment

Technical field

The present invention relates to redundancy technique field, in particular to a kind of network equipment.

Background technique

In data communication technology, usually requires that system has very high reliability, no matter encounter catastrophic failure or lead Dynamic maintenance, all will not influence the normal operation of system.In order to improve reliability and maintainability, it is necessary to carry out disaster recovery and extensive It is multiple.For the system for having high reliability request, optimal backup scenario is exactly two-node cluster hot backup.

For Packet Transport Network (English Packet Transport Network, abbreviation PTN) equipment, in order to guarantee It is worked normally, and needs to carry out two-node cluster hot backup to Switching Module.Specifically, in the AM access module of PTN device and transmission module Between two Switching Modules are set, set one of them as main Switching Module, another is for Switching Module, when main Switching Module When failure, it is switched to standby Switching Module and carries out data transmission.

In the implementation of the present invention, inventor has found that the prior art is primarily present at least following problem:

Existing active and standby Switching Module is previously set, and does not account for the performance superiority and inferiority of two Switching Modules, if main friendship It changes module performance and is less than standby Switching Module, and main Switching Module does not break down, then the standby Switching Module for causing performance good Waste.

Summary of the invention

It is that the standby Switching Module for be easy to causeing performance good is previously set to solve active and standby Switching Module in the prior art The problem of waste, the embodiment of the invention provides a kind of network equipments.The technical solution is as follows:

The embodiment of the invention provides a kind of network equipment, the network equipment includes: AM access module, the first interchange mode Block, the second Switching Module and transmission module, the AM access module simultaneously with first Switching Module and second interchange mode Block connection, the transmission module are connect with first Switching Module and second Switching Module simultaneously;

The AM access module includes: first acquisition unit, for obtaining the power-on time of first Switching Module;Second Acquiring unit, for obtaining the heartbeat signal of first Switching Module;Third acquiring unit, for obtaining second exchange The power-on time of module;4th acquiring unit, for obtaining the heartbeat signal of second Switching Module;First computing unit, For calculating the time for getting first heartbeat signal after first Switching Module powers on and first Switching Module Power-on time difference, obtain at the first time it is poor, calculating get first heartbeat after second Switching Module powers on The difference of the power-on time of the time of signal and second Switching Module, obtained for the second time difference;First selecting unit is used for When the first time is poor is greater than second time difference, second Switching Module is selected to carry out data transmission;When described It is poor when being less than second time difference at the first time, select first Switching Module to carry out data transmission;When described first Between difference when being equal to second time difference, randomly choose one in first Switching Module and second Switching Module into The transmission of row data;

The transmission module includes: the 5th acquiring unit, for obtaining the power-on time of first Switching Module;6th Acquiring unit, for obtaining the heartbeat signal of first Switching Module;7th acquiring unit, for obtaining second exchange The power-on time of module;8th acquiring unit, for obtaining the heartbeat signal of second Switching Module;Second computing unit, For calculating the time for getting first heartbeat signal after first Switching Module powers on and first Switching Module Power-on time difference, obtain at the first time it is poor, calculating get first heartbeat after second Switching Module powers on The difference of the power-on time of the time of signal and second Switching Module, obtained for the second time difference;Second selecting unit, is used for When the first time is poor is greater than second time difference, second Switching Module is selected to carry out data transmission;When described It is poor when being less than second time difference at the first time, select first Switching Module to carry out data transmission;When described first Between difference when being equal to second time difference, randomly choose one in first Switching Module and second Switching Module into The transmission of row data.

In an implementation of the embodiment of the present invention, the first acquisition unit and the 5th acquiring unit are wrapped Include the first pin connecting with the power supply of first Switching Module, and the first detection son list of connection first pin Member, first detection sub-unit is used to detect whether first Switching Module powers on by first pin, and records Power-on time.

In another implementation of the embodiment of the present invention, the third acquiring unit and the 7th acquiring unit are equal It is single including the second pin being connect with the power supply of second Switching Module, and the second detection of the connection second pin Member, second detection sub-unit is used to detect whether second Switching Module powers on by the second pin, and records Power-on time.

In another implementation of the embodiment of the present invention, the second acquisition unit is also used to obtain described first The status signal of Switching Module;4th acquiring unit is also used to obtain the status signal of second Switching Module;It is described Status signal be used to indicate first Switching Module or second Switching Module whether failure.

In another implementation of the embodiment of the present invention, the first selecting unit is also used to when using described first When Switching Module carries out data transmission, if it exceeds the heartbeat signal of first Switching Module has not been obtained in setting time, or The status signal of first Switching Module described in person indicates the first Switching Module failure, then is switched to second Switching Module Carry out data transmission;When being carried out data transmission using second Switching Module, if it exceeds institute has not been obtained in setting time The status signal of the heartbeat signal or second Switching Module of stating the second Switching Module indicates the second Switching Module event Barrier, then be switched to first Switching Module and carry out data transmission.

In another implementation of the embodiment of the present invention, the 6th acquiring unit is also used to obtain described first The status signal of Switching Module;8th acquiring unit is also used to obtain the status signal of second Switching Module;It is described Status signal be used to indicate first Switching Module or second Switching Module whether failure.

In another implementation of the embodiment of the present invention, second selecting unit is also used to when using described first When Switching Module carries out data transmission, if it exceeds the heartbeat signal of first Switching Module has not been obtained in setting time, or The status signal of first Switching Module described in person indicates the first Switching Module failure, then is switched to second Switching Module Carry out data transmission;When being carried out data transmission using second Switching Module, if it exceeds institute has not been obtained in setting time The status signal of the heartbeat signal or second Switching Module of stating the second Switching Module indicates the second Switching Module event Barrier, then be switched to first Switching Module and carry out data transmission.

In another implementation of the embodiment of the present invention, first Switching Module and second Switching Module connect It connects.

In another implementation of the embodiment of the present invention, the AM access module, which is also used to work as, receives first friendship It changes the mold when second Switching Module is not detected powers on after the preset time of the heartbeat signal of block, using first interchange mode Block carries out data transmission;Described first is not detected after receiving the preset time of heartbeat signal of second Switching Module When Switching Module powers on, carried out data transmission using second Switching Module.

In another implementation of the embodiment of the present invention, the transmission module, which is also used to work as, receives first friendship It changes the mold when second Switching Module is not detected powers on after the preset time of the heartbeat signal of block, using first interchange mode Block carries out data transmission;Described first is not detected after receiving the preset time of heartbeat signal of second Switching Module When Switching Module powers on, carried out data transmission using second Switching Module.

Technical solution provided in an embodiment of the present invention has the benefit that

In the network equipment for being provided with mutually redundant first Switching Module and the second Switching Module, AM access module and biography Defeated module by comparing two Switching Module power-on times and its send the time difference between first heartbeat signal, then compare The size of two obtained time differences selects Switching Module corresponding to the smaller time difference to carry out data transmission, without setting in advance Determine master backup Switching Module, and time difference short Switching Module starting up speed is faster, performance may relatively preferably, therefore, selection Time difference short Switching Module carries out data transmission, and avoids the waste of the relatively good Switching Module of performance, guarantees data Transmission speed.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is a kind of block diagram of network equipment provided in an embodiment of the present invention.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.

Fig. 1 is a kind of structural schematic diagram of network equipment provided in an embodiment of the present invention, and referring to Fig. 1, the network equipment includes: AM access module 100, the first Switching Module 200, the second Switching Module 300 and transmission module 400, AM access module 100 is simultaneously with the One Switching Module 200 and the connection of the second Switching Module 300, transmission module 400 are exchanged with the first Switching Module 200 and second simultaneously Module 300 connects.

AM access module 100 includes: first acquisition unit 101, for obtaining the power-on time of the first Switching Module 200.The Two acquiring units 102, for obtaining the heartbeat signal of the first Switching Module 200.Third acquiring unit 103, for obtaining second The power-on time of Switching Module 300.4th acquiring unit 104, for obtaining the heartbeat signal of the second Switching Module 300.First Computing unit 105 is handed over for calculating the time for getting first heartbeat signal after the first Switching Module 200 powers on and first The difference for changing the mold the power-on time of block 200, it is poor at the first time to obtain, and calculates the got after the second Switching Module 300 powers on The difference of the power-on time of the time of one heartbeat signal and the second Switching Module 300, obtained for the second time difference.First choice list Member 106, for when at the first time it is poor be greater than for the second time difference when, select the second Switching Module 300 carry out data transmission;When first When time difference is less than the second time difference, the first Switching Module 200 is selected to carry out data transmission;When first time is poor is equal to second Between difference when, one randomly choosed in the first Switching Module 200 and the second Switching Module 300 carries out data transmission.

Transmission module 400 includes: the 5th acquiring unit 401, for obtaining the power-on time of the first Switching Module 200.The Six acquiring units 402, for obtaining the heartbeat signal of the first Switching Module 200.7th acquiring unit 403, for obtaining second The power-on time of Switching Module 300.8th acquiring unit 404, for obtaining the heartbeat signal of the second Switching Module 300.Second Computing unit 405 is handed over for calculating the time for getting first heartbeat signal after the first Switching Module 200 powers on and first The difference for changing the mold the power-on time of block 200, it is poor at the first time to obtain, and calculates the got after the second Switching Module 300 powers on The difference of the power-on time of the time of one heartbeat signal and the second Switching Module 300, obtained for the second time difference.Second selection is single Member 406, for when at the first time it is poor be greater than for the second time difference when, select the second Switching Module 300 carry out data transmission;When first When time difference is less than the second time difference, the first Switching Module 200 is selected to carry out data transmission;When first time is poor is equal to second Between difference when, one randomly choosed in the first Switching Module 200 and the second Switching Module 300 carries out data transmission.

Wherein, heartbeat signal is worked normally for Tag Switching module, and heartbeat signal may include the basic of Switching Module Information, such as including module id, slot number.First Switching Module 200 and the second Switching Module 300 in addition to include for into It further include the unit for issuing heartbeat signal outside row data exchange and the unit of transmission.

The present invention accesses mould in the network equipment for being provided with mutually redundant first Switching Module and the second Switching Module Block and transmission module by comparing two Switching Module power-on times and its send the time difference between first heartbeat signal, so The size for two time differences compared afterwards selects Switching Module corresponding to the smaller time difference to carry out data transmission, is not necessarily to Be previously set master backup Switching Module, and time difference short Switching Module starting up speed is faster, performance may relatively preferably, because This, the Switching Module for selecting the time difference short carries out data transmission, and avoids the waste of the relatively good Switching Module of performance, protects Demonstrate,prove data transmission bauds.

In embodiments of the present invention, AM access module 100 realizes the number with user side equipment for connecting with user side equipment According to interaction, AM access module 100 includes user network side interface (English User Network Interface, abbreviation UNI).Transmission Module 400 realizes the data interaction with network side equipment, 400 Network Side Interface of transmission module for connecting with network side equipment (English Network to Network Interface, abbreviation NNI).

In embodiments of the present invention, it is connected between the first Switching Module 200 and the second Switching Module 300.First interchange mode Status signal and heartbeat signal can be mutually transmitted between block 200 and the second Switching Module 300, are realized and are synchronized.That is, In the embodiment of the present invention, the first Switching Module 200 and the second Switching Module 300 are in addition to AM access module 100 and transmission module 400 It issues outside heartbeat signal, also mutually issues heartbeat signal.

In the network equipment provided in an embodiment of the present invention, two Switching Modules (the first Switching Module 200 and the second exchanges Module 300) it is connect between AM access module 100 and transmission module 400 using double star bus topology.In transmission process, two A Switching Module is mutually backups, and two in double star bus star bus is also mutually backups.AM access module 100 and transmission module 400 carry out being switched fast for transmission channel by switching switch.

In embodiments of the present invention, the structure of first acquisition unit 101 and the 5th acquiring unit 401 can be identical.Specifically Ground, first acquisition unit 101 and the 5th acquiring unit 401 include that first connect with the power supply of the first Switching Module 200 is drawn Foot, and the first detection sub-unit of the first pin of connection, the first detection sub-unit are used to hand over by the first pin detection first Whether mold changing block 200 powers on, and records power-on time.When the first Switching Module 200 does not power on, the first pin is low level, When the first Switching Module 200 powers on, the first pin is high level;First detection sub-unit is according to the level of the first pin height Determine whether the first Switching Module 200 powers on.

In embodiments of the present invention, the structure of third acquiring unit 103 and the 7th acquiring unit 403 can be identical.Specifically Ground, third acquiring unit 103 and the 7th acquiring unit 403 include that second connect with the power supply of the second Switching Module 300 is drawn Foot, and the second detection sub-unit of connection second pin, the second detection sub-unit are used to hand over by second pin detection second Whether mold changing block 300 powers on, and records power-on time.When the second Switching Module 300 does not power on, second pin is low level, When the second Switching Module 300 powers on, second pin is high level;Second detection sub-unit is according to the level of second pin height Determine whether the second Switching Module 300 powers on.

Further, second acquisition unit 102 are also used to obtain the status signal of the first Switching Module 200.4th obtains Unit 104 is also used to obtain the status signal of the second Switching Module 300.Wherein, status signal is used to indicate the first Switching Module Or second Switching Module whether failure.Further, in failure, status signal can also further indicate its fault type. Specifically, faulty detection function can be set in the first Switching Module 200 and the second Switching Module 300, when the first interchange mode When 300 failure of block 200 and the second Switching Module (not including the interface fault of the transmission state signal between AM access module 100), Status signal is generated according to failure detection result, and is sent to AM access module 100.

Further, first selecting unit 106 is also used to when being carried out data transmission using the first Switching Module 200, such as Fruit is more than the status signal that heartbeat signal or the first Switching Module 200 to the first Switching Module 200 has not been obtained in setting time It indicates 200 failure of the first Switching Module, is then switched to the second Switching Module 300 and carries out data transmission;When using the second interchange mode When block 300 carries out data transmission, if it exceeds the heartbeat signal to the second Switching Module 300, Huo Zhe has not been obtained in setting time The status signal of two Switching Modules 300 indicates 300 failure of the second Switching Module, then is switched to the first Switching Module 200 and is counted According to transmission.

I.e. in the Switching Module failure currently transmitted, data are switched on another Switching Module and are passed It is defeated.

In addition, the present invention uses irrevocable design, even if being switched to another Switching Module when a Switching Module failure After transmitting data, if the Switching Module of failure restores normal by maintenance, the Switching Module is also no longer switched back into, to subtract Few switching times.

Further, the 6th acquiring unit 402 is also used to obtain the status signal of the first Switching Module 200.8th obtains Unit 404 is also used to obtain the status signal of the second Switching Module 300;Status signal is used to indicate the first Switching Module or Two Switching Modules whether failure.

Further, the second selecting unit 406 is also used to when being carried out data transmission using the first Switching Module 200, such as Fruit is more than the status signal that heartbeat signal or the first Switching Module 200 to the first Switching Module 200 has not been obtained in setting time It indicates 200 failure of the first Switching Module, is then switched to the second Switching Module 300 and carries out data transmission;When using the second interchange mode When block 300 carries out data transmission, if it exceeds the heartbeat signal to the second Switching Module 300, Huo Zhe has not been obtained in setting time The status signal of two Switching Modules 300 indicates 300 failure of the second Switching Module, then is switched to the first Switching Module 200 and is counted According to transmission.

In embodiments of the present invention, when first selecting unit 106 and the second selecting unit 406 can use different settings Between be used as Rule of judgment.

Further, AM access module 100 is also used to the preset time when the heartbeat signal for receiving the first Switching Module 200 After when the second Switching Module 300 be not detected powering on, carried out data transmission using the first Switching Module 200;When receiving second When the first Switching Module 200 being not detected after the preset time of the heartbeat signal of Switching Module 300 powering on, using the second interchange mode Block 300 carries out data transmission.

In inventive embodiments, two Switching Modules may not power on simultaneously or power up in have an interchange mode Block failure, then directly selects the Switching Module for having completed to power on to carry out data transmission at this time, avoids data transmission Delay.

Further, transmission module 400 is also used to the preset time when the heartbeat signal for receiving the first Switching Module 200 After when the second Switching Module 300 be not detected powering on, carried out data transmission using the first Switching Module 200;When receiving second When the first Switching Module 200 being not detected after the preset time of the heartbeat signal of Switching Module 300 powering on, using the second interchange mode Block 300 carries out data transmission.

In embodiments of the present invention, first selecting unit 106 and the second selecting unit 406 can using it is different default when Between be used as Rule of judgment.

Further, AM access module 100 and transmission module 400 can also select to swap cutting for module according to user It changes, is carried out data transmission with the Switching Module using user's selection.

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of network equipment, which is characterized in that the network equipment includes: AM access module, the first Switching Module, the second exchange Module and transmission module, the AM access module is connect with first Switching Module and second Switching Module simultaneously, described Transmission module is connect with first Switching Module and second Switching Module simultaneously;
The AM access module includes: first acquisition unit, for obtaining the power-on time of first Switching Module;Second obtains Unit, for obtaining the heartbeat signal of first Switching Module;Third acquiring unit, for obtaining second Switching Module Power-on time;4th acquiring unit, for obtaining the heartbeat signal of second Switching Module;First computing unit, is used for It calculates and gets the upper of time of first heartbeat signal after first Switching Module powers on and first Switching Module The difference of electric time, it is poor at the first time to obtain, and calculating gets first heartbeat signal after second Switching Module powers on Time and second Switching Module power-on time difference, obtained for the second time difference;First selecting unit, for working as institute It is poor when being greater than second time difference at the first time to state, and second Switching Module is selected to carry out data transmission;When described first When time difference is less than second time difference, first Switching Module is selected to carry out data transmission;It is poor when the first time When equal to second time difference, one randomly choosed in first Switching Module and second Switching Module is counted According to transmission;
The transmission module includes: the 5th acquiring unit, for obtaining the power-on time of first Switching Module;6th obtains Unit, for obtaining the heartbeat signal of first Switching Module;7th acquiring unit, for obtaining second Switching Module Power-on time;8th acquiring unit, for obtaining the heartbeat signal of second Switching Module;Second computing unit, is used for It calculates and gets the upper of time of first heartbeat signal after first Switching Module powers on and first Switching Module The difference of electric time, it is poor at the first time to obtain, and calculating gets first heartbeat signal after second Switching Module powers on Time and second Switching Module power-on time difference, obtained for the second time difference;Second selecting unit, for working as institute It is poor when being greater than second time difference at the first time to state, and second Switching Module is selected to carry out data transmission;When described first When time difference is less than second time difference, first Switching Module is selected to carry out data transmission;It is poor when the first time When equal to second time difference, one randomly choosed in first Switching Module and second Switching Module is counted According to transmission.
2. the network equipment according to claim 1, which is characterized in that the first acquisition unit and the described 5th obtains list Member includes the first pin connecting with the power supply of first Switching Module, and the first detection of connection first pin Subelement, first detection sub-unit are used to detect whether first Switching Module powers on by first pin, and Record power-on time.
3. the network equipment according to claim 1, which is characterized in that the third acquiring unit and the described 7th obtains list Member includes the second pin connecting with the power supply of second Switching Module, and the second detection of the connection second pin Subelement, second detection sub-unit are used to detect whether second Switching Module powers on by the second pin, and Record power-on time.
4. the network equipment according to claim 1-3, which is characterized in that the second acquisition unit is also used to Obtain the status signal of first Switching Module;4th acquiring unit is also used to obtain second Switching Module Status signal;The status signal be used to indicate first Switching Module or second Switching Module whether failure.
5. the network equipment according to claim 4, which is characterized in that the first selecting unit is also used to when using described When first Switching Module carries out data transmission, if it exceeds the heartbeat letter of first Switching Module has not been obtained in setting time Number or the status signal of first Switching Module indicate the first Switching Module failure, then be switched to described second and hand over Mold changing block carries out data transmission;When being carried out data transmission using second Switching Module, if it exceeds setting time does not obtain Get status signal instruction second exchange of the heartbeat signal or second Switching Module of second Switching Module Module failure is then switched to first Switching Module and carries out data transmission.
6. the network equipment according to claim 1-3, which is characterized in that the 6th acquiring unit is also used to Obtain the status signal of first Switching Module;8th acquiring unit is also used to obtain second Switching Module Status signal;The status signal be used to indicate first Switching Module or second Switching Module whether failure.
7. the network equipment according to claim 6, which is characterized in that second selecting unit is also used to when using described When first Switching Module carries out data transmission, if it exceeds the heartbeat letter of first Switching Module has not been obtained in setting time Number or the status signal of first Switching Module indicate the first Switching Module failure, then be switched to described second and hand over Mold changing block carries out data transmission;When being carried out data transmission using second Switching Module, if it exceeds setting time does not obtain Get status signal instruction second exchange of the heartbeat signal or second Switching Module of second Switching Module Module failure is then switched to first Switching Module and carries out data transmission.
8. the network equipment according to claim 1-3, which is characterized in that first Switching Module and described The connection of two Switching Modules.
9. the network equipment according to claim 1-3, which is characterized in that the AM access module is also used to when reception When second Switching Module is not detected after to the preset time of the heartbeat signal of first Switching Module powering on, using institute The first Switching Module is stated to carry out data transmission;It is not examined after receiving the preset time of heartbeat signal of second Switching Module When measuring first Switching Module and powering on, carried out data transmission using second Switching Module.
10. the network equipment according to claim 1-3, which is characterized in that the transmission module is also used to work as and connect It receives when second Switching Module is not detected after the preset time of the heartbeat signal of first Switching Module powering on, uses First Switching Module carries out data transmission;After receiving the preset time of heartbeat signal of second Switching Module not When detecting that first Switching Module powers on, carried out data transmission using second Switching Module.
CN201611240146.9A 2016-12-28 2016-12-28 A kind of network equipment CN106850264B (en)

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