CN110430145A - A kind of control method of the network equipment and data communication - Google Patents
A kind of control method of the network equipment and data communication Download PDFInfo
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- CN110430145A CN110430145A CN201910703102.2A CN201910703102A CN110430145A CN 110430145 A CN110430145 A CN 110430145A CN 201910703102 A CN201910703102 A CN 201910703102A CN 110430145 A CN110430145 A CN 110430145A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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Abstract
The embodiment of the present application provides the control method of a kind of network equipment and data communication, the network equipment includes exchange chip and bottom plate, bottom plate has at least one buckle card slot, CPU buckle is installed in one buckle card slot, exchange chip is installed in bottom plate, exchange chip is respectively connected with by different interfaces and at least one buckle card slot, when monitoring in other buckle card slots in addition to the buckle card slot where master cpu buckle, there are corresponding signals in place to change, and the signal in place expression after changing is when being equipped with the first buckle card slot of CPU buckle, master cpu buckle determines the first interface being connected in exchange chip with the first buckle card slot, the interface addition instruction for carrying the interface identifier of first interface is sent to exchange chip, exchange chip is added according to interface and is instructed, addition first interface to be used for The logic interfacing that CPU buckle carries out data communication can be improved the maintainability of the network equipment in turn.
Description
Technical field
This application involves data communication technology fields, more particularly to the controlling party of a kind of network equipment and data communication
Method.
Background technique
With the fast development of computer hardware technology, it usually can integrate multiple chips in the existing network equipment,
To improve the overall performance of the network equipment.
For example, using the anti-of CPU (central processing unit, Central Processing Unit)+exchange chip mode framework
In wall with flues equipment, it can wrap containing an exchange chip and multiple CPU.Face in the bottom plate of exchange chip and the firewall box
Plate interface is connected, and exchange chip is respectively connected with above-mentioned multiple CPU.When exchange chip receives service traffics by panel interface
When, exchange chip can send service traffics to corresponding CPU progress business processing.
However, in the related technology, the number of the CPU in a network equipment is fixed and invariable, in turn, network is caused to set
Standby maintainability is lower.
Summary of the invention
The control method for being designed to provide a kind of network equipment and data communication of the embodiment of the present application, can be improved net
The maintainability of network equipment.Specific technical solution is as follows:
In a first aspect, in order to achieve the above object, the embodiment of the present application discloses a kind of network equipment, the network equipment
Including exchange chip and bottom plate, the bottom plate has at least one buckle card slot, and a buckle card slot is for installing a CPU button
Plate, a CPU buckle include a CPU, are equipped in master control in a buckle card slot at least one described buckle card slot
Central processor CPU buckle, the exchange chip are installed in the bottom plate, and the exchange chip has multiple interfaces, the friendship
Chip is changed to be respectively connected with by different interfaces and at least one described buckle card slot, in which:
The master cpu buckle, for when monitoring other in addition to the buckle card slot where the master cpu buckle
In buckle card slot, signal in place after changing and change there are corresponding signal in place indicates to be equipped with the of CPU buckle
When one buckle card slot, the first interface being connected in the exchange chip with the first buckle card slot is determined, and to the exchange
Chip sends the interface addition instruction for carrying the interface identifier of the first interface；
The exchange chip is instructed for being added according to the interface, adds the first interface to being used for and CPU buckle
Carry out the logic interfacing of data communication.
Optionally, the master cpu buckle, the buckle card slot being also used to where monitoring to remove the master cpu buckle
In other buckle card slots in addition, the signal in place after changing and change there are corresponding signal in place indicates CPU buckle
When the second buckle card slot pulled out, the second interface being connected in the exchange chip with the second buckle card slot is determined, and
The interface deletion instruction for carrying the interface identifier of the second interface is sent to the exchange chip；
The exchange chip is also used to delete instruction according to the interface for the interface identifier for carrying the second interface, from
The second interface is deleted in logic interfacing for carrying out data communication with CPU buckle.
Optionally, complex programmable logic device (CPLD) chip, the CPLD chip and institute are also equipped in the bottom plate
At least one buckle card slot is stated to be respectively connected with；
The CPLD chip for recording the corresponding signal in place of at least one described buckle card slot, and is monitoring
Into other buckle card slots in addition to the buckle card slot where the master cpu buckle, there are corresponding signals in place to occur
When the buckle card slot of variation, Xiang Suoshu master cpu buckle sends interrupt signal；
The master cpu buckle is also used to when receiving the interrupt signal that the CPLD chip is sent, described in acquisition
The corresponding signal in place of at least one buckle card slot of CPLD chip current record, and the institute obtained according to the last time
The corresponding signal in place of at least one buckle card slot is stated, determines the corresponding changed buckle card slot of signal in place.
Optionally, other CPU buckles being currently installed in the master cpu buckle and the network equipment are respectively connected with；
The master cpu buckle is also used to monitor in other CPU buckles being currently installed in the network equipment, if
In the presence of the CPU buckle for being in abnormal operation, wherein the buckle card slot where the CPU buckle in abnormal operation is made
For abnormal buckle card slot；If it does, determine the third interface being connected in the exchange chip with the abnormal buckle card slot, and
The interface deletion instruction for carrying the interface identifier of the third interface is sent to the exchange chip；
The exchange chip is also used to delete instruction according to the interface for the interface identifier for carrying the third interface, from
It is currently used in the logic interfacing for carrying out data communication with CPU buckle and deletes the third interface.
Optionally, the exchange chip is also used to receive data message, and according to assignment of traffic algorithm, from the logic
Determine that forwarding interface, the forwarding interface are connect with forwarding buckle card slot in interface；And
The data message is sent from the forwarding interface to the forwarding CPU for being mounted on the forwarding buckle card slot.
Second aspect, in order to achieve the above objectives, the embodiment of the present application also disclose a kind of control method of data communication, institute
Method is stated applied to the network equipment, the network equipment includes exchange chip and bottom plate, and the bottom plate has at least one buckle
Card slot, a buckle card slot include a CPU, at least one described buckle for installing a CPU buckle, a CPU buckle
Master central processor CPU buckle is installed, the exchange chip is installed on the bottom plate in a buckle card slot in card slot
In, the exchange chip has multiple interfaces, and the exchange chip passes through different interface and at least one described buckle card slot
It is respectively connected with, which comprises
When monitoring in other buckle card slots in addition to the buckle card slot where the master cpu buckle, there are correspondences
Signal in place change and change after signal in place expression when being equipped with the first buckle card slot of CPU buckle, the master
Control CPU buckle determines the first interface being connected in the exchange chip with the first buckle card slot, and to the exchange chip
Send the interface addition instruction for carrying the interface identifier of the first interface；
The exchange chip according to the interface add instruct, add the first interface to be used for and CPU buckle carry out
The logic interfacing of data communication.
Optionally, the method also includes:
When monitoring in other buckle card slots in addition to the buckle card slot where the master cpu buckle, there are correspondences
Signal in place change and change after signal in place indicate CPU buckle pulled out the second buckle card slot when, the master
Control CPU buckle determines the second interface being connected in the exchange chip with the second buckle card slot, and to the exchange chip
Send the interface deletion instruction for carrying the interface identifier of the second interface；
The exchange chip according to the interface for the interface identifier for carrying the second interface delete instruct, from for
The second interface is deleted in the logic interfacing of CPU buckle progress data communication.
Optionally, complex programmable logic device (CPLD) chip, the CPLD chip and institute are also equipped in the bottom plate
At least one buckle card slot is stated to be respectively connected with；
The method also includes:
The CPLD chip records the corresponding signal in place of at least one described buckle card slot, and is monitoring except institute
It states in other buckle card slots other than the buckle card slot where master cpu buckle, there are corresponding signal in place is changed
When buckle card slot, Xiang Suoshu master cpu buckle sends interrupt signal；
When receiving the interrupt signal that the CPLD chip is sent, the master cpu buckle obtains the CPLD chip
The corresponding signal in place of at least one buckle card slot of current record, and at least one according to last time acquisition
A corresponding signal in place of buckle card slot determines the corresponding changed buckle card slot of signal in place.
Optionally, other CPU buckles being currently installed in the master cpu buckle and the network equipment are respectively connected with；
The method also includes:
The master cpu buckle monitors in other CPU buckles being currently installed in the network equipment, if exists and is in
The CPU buckle of abnormal operation, wherein the buckle card slot where the CPU buckle in abnormal operation is as abnormal button
Board slot；If it does, determine the third interface being connected in the exchange chip with the abnormal buckle card slot, and to the friendship
It changes chip and sends the interface deletion instruction for carrying the interface identifier of the third interface；
The exchange chip is deleted according to the interface for the interface identifier for carrying the third interface and is instructed, from being currently used in
It carries out deleting the third interface in the logic interfacing of data communication with CPU buckle.
Optionally, the method also includes:
The exchange chip receives data message, and according to assignment of traffic algorithm, forwarding is determined from the logic interfacing
Interface, the forwarding interface are connect with forwarding buckle card slot；And
The data message is sent from the forwarding interface to the forwarding CPU for being mounted on the forwarding buckle card slot.
The embodiment of the present application provides the control method of a kind of network equipment and data communication, which includes exchange
Chip and bottom plate, bottom plate have at least one buckle card slot, and a buckle card slot is for installing a CPU buckle, a CPU button
Plate includes a CPU, is equipped with CPU buckle in a buckle card slot at least one buckle card slot, exchange chip is installed on
In bottom plate, exchange chip has multiple interfaces, and exchange chip is respectively connected with by different interfaces and at least one buckle card slot.
When monitoring in other buckle card slots in addition to the buckle card slot where master cpu buckle, there are corresponding signals in place to send out
When signal in place expression after changing and variation is equipped with the first buckle card slot of CPU buckle, master cpu buckle, which determines, to be handed over
The first interface being connected in chip with the first buckle card slot is changed, and sends the interface identifier for carrying first interface to exchange chip
Interface add instruction, exchange chip then according to interface add instruct, addition first interface to be used for and CPU buckle carry out data
The logic interfacing of communication.
As it can be seen that be used to install the buckle card slot of CPU buckle at least one in the bottom plate of the network equipment, user then can be with
New CPU buckle is installed in buckle card slot according to demand, that is, the number that can be realized the CPU installed in the network equipment is adjustable,
Improve the maintainability of the network equipment.In addition, master cpu buckle can determine the first buckle card slot for installing new CPU buckle,
And exchange chip is noticed, first interface can be then added to the logic for being used for that data communication to be carried out with CPU buckle by exchange chip
Interface can carry out business processing by the CPU newly installed in turn.
Certainly, implement the application any product or method it is not absolutely required to and meanwhile reach above all advantages.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the network equipment provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of the network equipment provided by the embodiments of the present application；
Fig. 3 is a kind of connection schematic diagram for the signal in place for realizing CPU buckle provided by the embodiments of the present application；
Fig. 4 is a kind of structural schematic diagram of the network equipment provided by the embodiments of the present application；
Fig. 5 is a kind of structural schematic diagram of the network equipment provided by the embodiments of the present application；
Fig. 6 is a kind of flow diagram of the control method of data communication provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of network equipment, which may include exchange chip and bottom plate, bottom plate
With at least one buckle card slot, a buckle card slot includes a CPU for installing a CPU buckle, a CPU buckle,
Master cpu buckle is installed in one of buckle card slot, exchange chip is installed in bottom plate, and exchange chip has multiple connect
Mouthful, exchange chip is respectively connected with by different interfaces and each buckle card slot.
When a buckle card slot of the user in other buckle card slots in addition to the buckle card slot where master cpu buckle
When installing new CPU buckle in (the first buckle card slot i.e. in the embodiment of the present application), master cpu buckle can detect first
Signal in place expression after the corresponding signal in place of buckle card slot changes and changes is equipped with CPU buckle, then, master control
CPU buckle can determine the first interface being connected in exchange chip with the first buckle card slot, and carry to exchange chip transmission
The interface of the interface identifier of first interface adds instruction.
Correspondingly, exchange chip can according to the interface add instruct, addition first interface to be used for and CPU buckle carry out
The logic interfacing of data communication.
As it can be seen that being used to install the buckle card slot of CPU buckle in the bottom plate of the above-mentioned network equipment at least one, user is then
New CPU buckle can be installed in buckle card slot mouth according to demand, that is, can be realized the number of the CPU installed in the network equipment
Mesh is adjustable, in turn, improves the maintainability of the network equipment.In addition, master cpu buckle, which can determine, installs new CPU buckle
First buckle card slot, and exchange chip is noticed, first interface can then be added to and be used to count with CPU buckle by exchange chip
According to the logic interfacing of communication, in turn, business processing can be carried out by the CPU newly installed.
Below in conjunction with specific embodiment, a kind of network equipment provided by the embodiments of the present application is carried out specifically
Bright, referring to Fig. 1, which includes exchange chip and bottom plate, and exchange chip is installed in bottom plate, and bottom plate has 4 buckles
Card slot, master cpu buckle are installed therein in a buckle card slot (i.e. buckle card slot 1), and exchange chip has multiple interfaces, are handed over
Chip is changed to be respectively connected with by different interfaces and 4 buckle card slots.
One CPU buckle includes a CPU, the processing movement that CPU buckle described in the present embodiment executes, can be with
It is interpreted as the processing movement that the CPU that CPU buckle is included is executed.
It is illustrated so that bottom plate has 4 buckle card slots as an example in the present embodiment, it in actual operation, can be according to business
The number of buckle card slot in bottom plate is arranged in demand.
Master cpu buckle, for working as other buckle card slots monitored in addition to the buckle card slot where master cpu buckle
In, the signal in place after changing and change there are corresponding signal in place indicates the first buckle card for being equipped with CPU buckle
When slot, the first interface being connected in exchange chip with the first buckle card slot is determined, and carry first to exchange chip transmission and connect
The interface of the interface identifier of mouth adds instruction.
Exchange chip, for according to interface add instruct, addition first interface to be used for and CPU buckle carry out data communication
Logic interfacing.
Wherein, the corresponding signal in place of buckle card slot is for indicating whether be equipped with CPU buckle in the buckle card slot.When with
New CPU buckle is installed at family in the buckle card slot, alternatively, when user pulls out mounted CPU buckle from the buckle card slot
When, the corresponding signal in place of the buckle card slot can change.The specific descriptions of signal in place will be detailed in subsequent embodiment
Explanation.
It can store the interface of exchange chip and the first corresponding relationship of buckle card slot in master cpu buckle, this first
Corresponding relationship includes the interface of exchange chip and the buckle card slot that is connected with the interface.
Exchange chip can be pre-configured with a logic interfacing, which is used for and the CPU that installs in the network equipment
Buckle carries out data communication, and the interface for being currently able to be used for carry out data communication with CPU buckle can be added to by exchange chip
The logic interfacing, the logic interfacing can be trunk (trunk) interface.
Master cpu buckle can be an already installed CPU buckle, master cpu buckle in the network equipment and can examine
Measure the corresponding signal in place of each buckle card slot in the network equipment.
When a buckle card slot of the user in other buckle card slots in addition to the buckle card slot where master cpu buckle
When new CPU buckle is installed in (the first buckle card slot i.e. in the embodiment of the present application), the corresponding letter in place of the first buckle card slot
Signal in place after number changing and change indicates that the first buckle card slot is equipped with CPU buckle.
Correspondingly, master cpu buckle can monitor that the corresponding signal in place of the first buckle card slot changes, and foundation
The current first buckle card slot of signal determining in place after variation is equipped with CPU buckle.Then, master cpu buckle can be according to upper
The first corresponding relationship is stated, determines the interface (first i.e. in the embodiment of the present application being connected in exchange chip with the first buckle card slot
Interface), then, the interface addition that master cpu buckle can carry the interface identifier of first interface to exchange chip transmission refers to
It enables, to indicate that exchange chip adds interface.
In a kind of implementation, master cpu buckle can be respectively connected with other buckle card slots.When user is in a buckle
When installing CPU buckle in card slot, master cpu buckle can monitor that the corresponding signal in place of the buckle card slot changes, and
New CPU buckle is mounted with according to the signal determining in place buckle card slot after variation.
After after the interface addition instruction for receiving the transmission of master cpu buckle, exchange chip can extract interface addition
The interface identifier of the first interface carried in instruction, and first interface is added to and is used to carry out data communication with CPU buckle
Logic interfacing.
In a kind of implementation, the interface of exchange chip can be serdes (SERializer DESerializer, string
Row device deserializer) interface, exchange chip is respectively connected with by different interfaces and each buckle card slot.It is understood that exchange
Chip can be by an interface, and the CPU buckle installed in buckle card slot corresponding with the interface carries out data communication.
In addition, user can also pull out mounted CPU buckle from bottom plate, optionally, master cpu buckle is also used to
When monitoring in other buckle card slots in addition to the buckle card slot where master cpu buckle, there are corresponding signals in place to send out
Changing and when the signal in place after changing indicates the second buckle card slot that CPU buckle is pulled out determines in exchange chip with the
The connected second interface of two buckle card slots, and refer to the interface deletion that exchange chip transmission carries the interface identifier of second interface
It enables.
Correspondingly, exchange chip, be also used to delete instruction according to the interface for the interface identifier for carrying second interface, from
Second interface is deleted in the logic interfacing for carrying out data communication with CPU buckle.
When user pulls out a buckle card in other buckle card slots in addition to the buckle card slot where master cpu buckle
In slot (the second buckle card slot i.e. in the embodiment of the present application) when mounted CPU buckle, the second buckle card slot is corresponding in place
Signal changes, and the signal in place after variation indicates that the second buckle card slot is not installed with CPU buckle.
Correspondingly, master cpu buckle can monitor that the corresponding signal in place of the second buckle card slot changes, and foundation
The current second buckle card slot of signal determining in place after variation is not installed with CPU buckle.Then, master cpu buckle can basis
Above-mentioned first corresponding relationship determines the interface (i.e. in the embodiment of the present application being connected in exchange chip with the second buckle card slot
Two interfaces), then, master cpu buckle can send the interface deletion for carrying the interface identifier of second interface to exchange chip
Instruction (is properly termed as the first deletion instruction), deletes interface to notice exchange chip.
It is understood that exchange chip can not then lead to when pulling out mounted CPU buckle in the second buckle card slot
It crosses the transmission that the corresponding interface of the second buckle card slot carries out service traffics and is receiving master control in order to avoid network service interruption
After the first deletion instruction that CPU buckle is sent, exchange chip can extract connecing for the second interface carried in the first deletion instruction
Mouth mark deletes second interface from the logic interfacing for being used to carry out data communication with CPU buckle, in turn, can be certain
Network service is avoided to interrupt in degree.
Optionally, referring to fig. 2, be also equipped in bottom plate CPLD (Complex Programmable Logic Device,
Complex Programmable Logic Devices) chip, which is respectively connected with each buckle card slot.
CPLD chip for recording the corresponding signal in place of at least one buckle card slot, and is being monitored except master control
In other buckle card slots other than buckle card slot where CPU buckle, there are the corresponding changed buckle cards of signal in place
When slot, interrupt signal is sent to master cpu buckle.
Master cpu buckle is also used to obtain CPLD chip when receiving the interrupt signal of CPLD chip transmission and currently remember
The corresponding signal in place of at least one buckle card slot of record, and respectively according at least one buckle card slot of last time acquisition
Corresponding signal in place determines the corresponding changed buckle card slot of signal in place.
Wherein, interrupt signal is for making master cpu buckle determine that there are the corresponding changed buckle cards of signal in place
Slot.
In a kind of implementation, register is provided in CPLD chip, record there are multiple flag bits in register, each to indicate
Position can respectively correspond the state for indicating the signal in place of each buckle card slot.CPLD chip can then exist according to each buckle card slot
The state of position signal, is updated the flag bit recorded in register.
When being equipped with CPU buckle in a certain buckle card slot, CPLD chip can then pass through the buckle card slot and installation
CPU buckle is connected.
Referring to Fig. 3, Fig. 3 is a kind of connection schematic diagram for the signal in place for realizing CPU buckle provided by the embodiments of the present application.
CPU buckle is connected by gusset plate connector with the back plane connector in bottom plate, the bottom plate in CPLD chip and bottom plate
Connector is connected, and in turn, realizes that CPU buckle is connected with CPLD chip.As it can be seen that when being not installed with CPU button in a buckle card slot
When plate, the corresponding signal in place of the buckle card slot of CPLD chip record is high level；It is detained when being equipped with CPU in the buckle card slot
When plate, the corresponding signal in place of the buckle card slot of CPLD chip record is ground signalling (i.e. low level).
In Fig. 2, record has 4 flag bits S1, S2, S3 and S4 in the register of CPLD chip, respectively indicates buckle card slot
1, the state of buckle card slot 2, buckle card slot 3 and the corresponding signal in place of buckle card slot 4.When buckle card slot 2,3 and of buckle card slot
When being not installed with CPU buckle in buckle card slot 4, S1=0, S2=S3=S4=1.At this point, for carrying out data with CPU buckle
It include the corresponding interface of buckle card slot 1 in the logic interfacing of communication.
Master cpu buckle can read the value of S2, S3 and S4 for recording in the register of CPLD chip, and in turn, determination is worked as
CPU buckle is not installed in preceding buckle card slot 2, buckle card slot 3 and buckle card slot 4.
When user installs CPU buckle in buckle card slot 2, the state of the corresponding signal in place of buckle card slot 2 becomes
To change, CPLD chip records the signal in place after the variation that buckle card slot 2 occurs, and sends interrupt signal to master cpu buckle, this
When, the S1=S2=0, S3=S4=1 of CPLD chip record.
Master cpu buckle S1=S2=0, S3=S4=1 that then available CPLD chip records, and last acquisition
S1=0, S2=S3=S4=1, master cpu buckle determine that S2 changes, and according to the S2 after variation, determine buckle card slot 2
New CPU buckle is installed.In turn, master cpu buckle can send to exchange chip and carry the corresponding interface of buckle card slot 2
Interface identifier interface add instruction.
Exchange chip receive the interface addition instruction after, the corresponding interface of buckle card slot 2 is added to be currently used in
CPU buckle carries out the logic interfacing of data communication, at this point, the logic interfacing includes the corresponding interface of buckle card slot 1 and buckle card
The corresponding interface of slot 2, subsequent exchange chip the message received can be forwarded to the CPU buckle installed on buckle card slot 1,
And/or the CPU buckle installed on buckle card slot 2.
Similarly, when installing CPU buckle in buckle card slot 3 as user, the state of the corresponding signal in place of buckle card slot 3 is sent out
Changing, CPLD chip records the signal in place after the variation that buckle card slot 3 occurs, and sends to master cpu buckle and interrupt letter
Number, at this point, the S1=S2=S3=0, S4=1 of CPLD chip record.
Master cpu buckle S1=S2=S3=0, S4=1 that then available CPLD chip records, and last acquisition
S1=S2=0, S3=S4=1, master cpu buckle determine that S3 changes, and according to the S3 after variation, determine buckle card slot 3
New CPU buckle is installed.In turn, master cpu buckle carries connecing for the corresponding interface of buckle card slot 3 to exchange chip transmission
The interface of mouth mark adds instruction.
Exchange chip receive the interface addition instruction after, the corresponding interface of buckle card slot 3 is added to be currently used in
The logic interfacing of CPU buckle progress data communication.At this point, the logic interfacing includes the corresponding interface of buckle card slot 1, buckle card slot
The message received can be forwarded to buckle card slot by 2 corresponding interfaces and the corresponding interface of buckle card slot 3, subsequent exchange chip
The CPU buckle installed on the CPU buckle, and/or buckle card slot 3 installed on the CPU buckle, and/or buckle card slot 2 installed on 1.
Then, when user, which pulls out, installs CPU buckle in buckle card slot 2, the state of the corresponding signal in place of buckle card slot 2
It changes, CPLD chip records the signal in place after the variation that buckle card slot 2 occurs, and sends and interrupt to master cpu buckle
Signal, at this point, the S1=0, S2=1, S3=0, S4=1 of CPLD chip record.
Master cpu buckle S1=0, S2=1, S3=0, S4=1 that then available CPLD chip records, and the last time is obtained
The S1=S2=S3=0 taken, S4=1, master cpu buckle determine that S2 changes, and according to the S2 after variation, determine buckle card
Slot 2 has pulled out CPU buckle.In turn, master cpu buckle carries connecing for the corresponding interface of buckle card slot 2 to exchange chip transmission
The interface of mouth mark deletes instruction.
Exchange chip is after receiving the interface and deleting instruction, by the corresponding interface of buckle card slot 2 from being currently used in and CPU
It is deleted in the logic interfacing of buckle progress data communication.At this point, the logic interfacing includes the corresponding interface of buckle card slot 1 and buckle
The corresponding interface of card slot 3.
In addition, master cpu buckle can also be according to the working condition for other CPU buckles installed in the network equipment, to friendship
It changes chip transmission interface and deletes instruction, so that exchange chip determines the interface being currently able to for carrying out data communication.
Optionally, referring to fig. 4, other CPU buckles being currently installed in master cpu buckle and the network equipment are respectively connected with.
Master cpu buckle, in other CPU buckles for being also used to be currently installed in monitoring network equipment, if exist and be in
The CPU buckle of abnormal operation；If it does, determine the third interface being connected in exchange chip with abnormal buckle card slot, to
Exchange chip sends the interface deletion instruction for carrying the interface identifier of third interface.
Exchange chip is also used to delete instruction according to the interface for the interface identifier for carrying third interface, from being currently used in
It carries out deleting third interface in the logic interfacing of data communication with CPU buckle.
Wherein, the buckle card slot where the CPU buckle in abnormal operation is as abnormal buckle card slot.
In a kind of implementation, master cpu buckle can pass through SPI (Serial Peripheral Interface, string
Row Peripheral Interface) other CPU buckles for being currently installed in interface and the network equipment are connected, and master cpu buckle can be connect by SPI
The working condition for other CPU buckles being currently installed in mouth monitoring network equipment, determines the CPU buckle for being in abnormal operation
The buckle card slot at place.
For example, other CPU buckles being currently installed in the network equipment include CPU buckle 1, CPU buckle 2 and CPU in Fig. 4
Buckle 3.CPU buckle 1, CPU buckle 2 and CPU buckle 3 are separately mounted in buckle card slot 2, buckle card slot 3 and buckle card slot 4.
It can recorde the corresponding relationship of the chip selection signal of buckle card slot and SPI interface in master cpu buckle, that is, for some button
The CPU buckle installed in board slot is able to respond chip selection signal corresponding with the buckle card slot.That is, different buckles
The CPU buckle installed in card slot is able to respond different chip selection signals.Such as: the piece that buckle card slot 2 corresponds to SPI interface selects letter
Number 1, then the CPU buckle 1 installed in buckle card slot 2 is able to respond chip selection signal 1；The piece that buckle card slot 3 corresponds to SPI interface selects
Signal 2, then the CPU buckle 2 installed in buckle card slot 3 are able to respond chip selection signal 2；Buckle card slot 4 corresponds to the piece of SPI interface
Signal 3 is selected, then the CPU buckle 3 installed in buckle card slot 4 is able to respond chip selection signal 3.
It is main when master cpu buckle determines the working condition for the CPU buckle (i.e. CPU buckle 2) installed in buckle card slot 3
The corresponding chip selection signal of buckle card slot 3 can be sent by SPI interface by controlling CPU buckle.CPU buckle 1, CPU buckle 2 and CPU button
Only have CPU buckle 2 that can respond the chip selection signal in plate 3.
If master cpu buckle does not receive the response signal of the return of CPU buckle 2, it can determine that CPU buckle 2 is in
Abnormal operation, that is, buckle card slot 3 is abnormal buckle card slot.
Then, master cpu buckle can determine the interface being connected with buckle card slot 3 (i.e. according to above-mentioned first corresponding relationship
Third interface in the embodiment of the present application), and the interface deletion for carrying the interface identifier of third interface is sent to exchange chip
It instructs (being properly termed as second deleting instruction).
It is understood that when the CPU buckle installed in abnormal buckle card slot is in abnormal operation, in order to avoid
Network service is interrupted, and exchange chip then no longer carries out the transmission of service traffics by the corresponding interface of abnormal buckle card slot.Accordingly
, when exchange chip receives second deleting instruction, exchange chip can extract the third carried in second deleting instruction and connect
Mouthful interface identifier, third interface is deleted from the logic interfacing for being used to carry out data communication with CPU buckle, in turn, can be with
Network service is avoided to interrupt to a certain extent.
Optionally, exchange chip is also used to receive data message, and according to assignment of traffic algorithm, from logic interfacing really
Determine forwarding interface, forwarding interface is connect with forwarding buckle card slot；And from forwarding interface to be mounted on forwarding buckle card slot turn
Hair CPU sends datagram.
In a kind of implementation, when exchange chip, which receives, to be sent on needs to the data message of CPU, exchange chip can be with
Based on the message information of Hash (Hash) algorithm and the data message, connect from the logic for carrying out data communication with CPU buckle
It in mouthful, determines an interface (forwarding interface i.e. in the embodiment of the present application), the buckle card slot being connected with forwarding interface is to turn
Hair clasp board slot, in turn, exchange chip can be from the forwarding interfaces determined, to the CPU buckle for being mounted on forwarding buckle card slot
In CPU (the forwarding CPU i.e. in the embodiment of the present application) send the data message.The message information of data message can be data
The triplet information of message, or, or the five-tuple information of data message.
Hash operation is a kind of hash operations mode, is exactly the input of random length (datagram in the embodiment of the present application
The message information of text) it is transformed into the output of regular length, which is denoted as cryptographic Hash.For example, exchange chip can be based on Hash
Algorithm calculates the message information of data message, obtains corresponding cryptographic Hash, and the corresponding interface of the cryptographic Hash is determined as
Forwarding interface.
It is understood that characteristic of the exchange chip based on hash algorithm, is determined from logic interfacing for sending number
According to the interface of message, it is capable of the service traffics of balanced each interface, in turn, enables exchange chip by service traffics mean allocation
It is handled to each CPU.
Referring to Fig. 5, n panel interface can be configured in bottom plate, n is positive integer.Exchange chip can pass through panel
Interface and other equipment carry out the transmission of service traffics.May exist two communication chains between exchange chip and master cpu buckle
Road, a communication link can be used for coffret and delete instruction and interface addition instruction, which can be PCIE
((Peripheral Component Interconnect Express, high speed serialization computer expansion bus standard) link,
Another communication link can be used for data message transmission.
Based on the same technical idea, referring to Fig. 6, the embodiment of the present application also provides a kind of controlling parties of data communication
Method, this method can be applied to the network equipment, which includes exchange chip and bottom plate, and bottom plate has at least one buckle
Card slot, a buckle card slot include a CPU, at least one buckle card slot for installing a CPU buckle, a CPU buckle
In a buckle card slot in CPU buckle is installed, exchange chip is installed in bottom plate, exchange chip have multiple interfaces, hand over
Chip is changed to be respectively connected with by different interfaces and at least one buckle card slot, this method comprises:
S601: when monitoring in other buckle card slots in addition to the buckle card slot where master cpu buckle, there are correspondences
Signal in place change and change after signal in place expression when being equipped with the first buckle card slot of CPU buckle, master control
CPU buckle determines the first interface being connected in exchange chip with the first buckle card slot, and carries first to exchange chip transmission
The interface of the interface identifier of interface adds instruction.
S602: exchange chip according to interface add instruct, addition first interface to be used for and CPU buckle carry out data communication
Logic interfacing.
Optionally, method further include:
When monitoring in other buckle card slots in addition to the buckle card slot where master cpu buckle, there are it is corresponding
Position signal change and change after signal in place indicate CPU buckle pulled out the second buckle card slot when, master cpu button
Plate determines the second interface being connected in exchange chip with the second buckle card slot, and carries second interface to exchange chip transmission
The interface of interface identifier deletes instruction；
Exchange chip according to the interface for the interface identifier for carrying second interface delete instruct, from for CPU buckle into
Second interface is deleted in the logic interfacing of row data communication.
Optionally, complex programmable logic device (CPLD) chip, CPLD chip and at least one button are also equipped in bottom plate
Board slot is respectively connected with；
Method further include:
CPLD chip records the corresponding signal in place of at least one buckle card slot, and is monitoring except master cpu button
In other buckle card slots other than buckle card slot where plate, when buckle card slot changed there are corresponding signal in place,
Interrupt signal is sent to master cpu buckle；
When receiving the interrupt signal of CPLD chip transmission, master cpu buckle obtains the current record of CPLD chip extremely
Few corresponding signal in place of a buckle card slot, and it is corresponding according at least one buckle card slot that the last time obtains
Signal in place determines the corresponding changed buckle card slot of signal in place.
Optionally, other CPU buckles being currently installed in master cpu buckle and the network equipment are respectively connected with；
Method further include:
In other CPU buckles being currently installed in master cpu buckle monitoring network equipment, if exist in abnormal work
The CPU buckle of state, wherein the buckle card slot where the CPU buckle in abnormal operation is as abnormal buckle card slot；Such as
Fruit exists, and determines the third interface being connected in exchange chip with abnormal buckle card slot, and carry third to exchange chip transmission
The interface of the interface identifier of interface deletes instruction；
Exchange chip is deleted according to the interface for the interface identifier for carrying third interface and is instructed, and is detained from being currently used in CPU
Plate carries out deleting third interface in the logic interfacing of data communication.
Optionally, method further include:
Exchange chip receives data message, and according to assignment of traffic algorithm, and forwarding interface, forwarding are determined from logic interfacing
Interface is connect with forwarding buckle card slot；And
It sends datagram from forwarding interface to the forwarding CPU for being mounted on forwarding buckle card slot.
As it can be seen that be used to install the buckle card slot of CPU buckle at least one in the bottom plate of the network equipment, user then can be with
New CPU buckle is installed in buckle card slot according to demand, that is, the number that can be realized the CPU installed in the network equipment is adjustable,
Improve the maintainability of the network equipment.In addition, master cpu buckle can determine the first buckle card slot for installing new CPU buckle,
And exchange chip is noticed, first interface can be then added to the logic for being used for that data communication to be carried out with CPU buckle by exchange chip
Interface can carry out business processing by the CPU newly installed in turn.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for method
Speech, since it is substantially similar to network equipment embodiment, so being described relatively simple, related place is referring to Installation practice
Part illustrates.
The foregoing is merely the preferred embodiments of the application, are not intended to limit the protection scope of the application.It is all
Any modification, equivalent replacement, improvement and so within spirit herein and principle are all contained in the protection scope of the application
It is interior.
Claims (10)
1. a kind of network equipment, which is characterized in that the network equipment includes exchange chip and bottom plate, and the bottom plate has at least
One buckle card slot, buckle card slot include a CPU for installing a CPU buckle, a CPU buckle, it is described at least
Master central processor CPU buckle is installed, the exchange chip is installed in a buckle card slot in one buckle card slot
In the bottom plate, the exchange chip has multiple interfaces, the exchange chip by different interface and it is described at least one
Buckle card slot is respectively connected with, in which:
The master cpu buckle, for working as other buckles monitored in addition to the buckle card slot where the master cpu buckle
In card slot, the signal in place after changing and change there are corresponding signal in place indicates the first button for being equipped with CPU buckle
When board slot, the first interface being connected in the exchange chip with the first buckle card slot is determined, and to the exchange chip
Send the interface addition instruction for carrying the interface identifier of the first interface；
The exchange chip, for according to the interface add instruct, add the first interface to be used for and CPU buckle carry out
The logic interfacing of data communication.
2. the network equipment according to claim 1, which is characterized in that the master cpu buckle is also used to monitor to remove
In other buckle card slots other than buckle card slot where the master cpu buckle, there are corresponding signals in place to change,
And change after signal in place indicate CPU buckle pulled out the second buckle card slot when, determine in the exchange chip with it is described
The connected second interface of second buckle card slot, and the interface identifier for carrying the second interface is sent to the exchange chip
Interface deletes instruction；
The exchange chip is also used to delete instruction according to the interface for the interface identifier for carrying the second interface, from being used for
It carries out deleting the second interface in the logic interfacing of data communication with CPU buckle.
3. the network equipment according to claim 1 or 2, which is characterized in that be also equipped with complex programmable in the bottom plate
Logic device (CPLD) chip, the CPLD chip are respectively connected with at least one described buckle card slot；
The CPLD chip for recording the corresponding signal in place of at least one described buckle card slot, and is monitoring to remove
In other buckle card slots other than buckle card slot where the master cpu buckle, there are corresponding signals in place to change
Buckle card slot when, Xiang Suoshu master cpu buckle send interrupt signal；
The master cpu buckle is also used to obtain the CPLD core when receiving the interrupt signal that the CPLD chip is sent
The corresponding signal in place of at least one buckle card slot of piece current record, and according to last time acquisition at least
The corresponding signal in place of one buckle card slot determines the corresponding changed buckle card slot of signal in place.
4. the network equipment according to claim 1, which is characterized in that in the master cpu buckle and the network equipment
Other CPU buckles being currently installed on are respectively connected with；
The master cpu buckle is also used to monitor in other CPU buckles being currently installed in the network equipment, if exist
CPU buckle in abnormal operation, wherein the buckle card slot where the CPU buckle in abnormal operation is as different
Normal buckle card slot；If it does, determine the third interface being connected in the exchange chip with the abnormal buckle card slot, and to institute
It states exchange chip and sends the interface deletion instruction for carrying the interface identifier of the third interface；
The exchange chip is also used to delete instruction according to the interface for the interface identifier for carrying the third interface, from current
The third interface is deleted in logic interfacing for carrying out data communication with CPU buckle.
5. the network equipment according to claim 1, which is characterized in that
The exchange chip is also used to receive data message, and according to assignment of traffic algorithm, determines and turn from the logic interfacing
Interface is sent out, the forwarding interface is connect with forwarding buckle card slot；And
The data message is sent from the forwarding interface to the forwarding CPU for being mounted on the forwarding buckle card slot.
6. a kind of control method of data communication, which is characterized in that the method is applied to the network equipment, the network equipment packet
Exchange chip and bottom plate are included, the bottom plate has at least one buckle card slot, and a buckle card slot is for installing a CPU button
Plate, a CPU buckle include a CPU, are equipped in master control in a buckle card slot at least one described buckle card slot
Central processor CPU buckle, the exchange chip are installed in the bottom plate, and the exchange chip has multiple interfaces, the friendship
Chip is changed to be respectively connected with by different interfaces and at least one described buckle card slot, which comprises
When monitoring in other buckle card slots in addition to the buckle card slot where the master cpu buckle, there are it is corresponding
Position signal change and change after signal in place expression when being equipped with the first buckle card slot of CPU buckle, the master control
CPU buckle determines the first interface being connected in the exchange chip with the first buckle card slot, and sends out to the exchange chip
Send the interface addition instruction for carrying the interface identifier of the first interface；
The exchange chip according to the interface add instruct, add the first interface to be used for and CPU buckle carry out data
The logic interfacing of communication.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
When monitoring in other buckle card slots in addition to the buckle card slot where the master cpu buckle, there are it is corresponding
Position signal change and change after signal in place indicate CPU buckle pulled out the second buckle card slot when, the master control
CPU buckle determines the second interface being connected in the exchange chip with the second buckle card slot, and sends out to the exchange chip
The interface for carrying the interface identifier of the second interface is sent to delete instruction；
The exchange chip is deleted according to the interface for the interface identifier for carrying the second interface and is instructed, from for detaining with CPU
The second interface is deleted in the logic interfacing of plate progress data communication.
8. method according to claim 6 or 7, which is characterized in that be also equipped with complex programmable logic in the bottom plate
Device CPLD chip, the CPLD chip are respectively connected with at least one described buckle card slot；
The method also includes:
The CPLD chip records the corresponding signal in place of at least one described buckle card slot, and is monitoring except the master
In other buckle card slots other than buckle card slot where control CPU buckle, there are the corresponding changed buckles of signal in place
When card slot, Xiang Suoshu master cpu buckle sends interrupt signal；
When receiving the interrupt signal that the CPLD chip is sent, it is current that the master cpu buckle obtains the CPLD chip
The corresponding signal in place of at least one buckle card slot of record, and at least one button according to last time acquisition
The corresponding signal in place of board slot determines the corresponding changed buckle card slot of signal in place.
9. according to the method described in claim 6, it is characterized in that, current in the master cpu buckle and the network equipment
Other CPU buckles of installation are respectively connected with；
The method also includes:
The master cpu buckle monitors in other CPU buckles being currently installed in the network equipment, if exists in abnormal
The CPU buckle of working condition, wherein the buckle card slot where the CPU buckle in abnormal operation is as abnormal buckle card
Slot；If it does, determine the third interface being connected in the exchange chip with the abnormal buckle card slot, and to the exchange core
Piece sends the interface deletion instruction for carrying the interface identifier of the third interface；
The exchange chip according to the interface for the interface identifier for carrying the third interface delete instruct, from be currently used in
The third interface is deleted in the logic interfacing of CPU buckle progress data communication.
10. according to the method described in claim 6, it is characterized in that, the method also includes:
The exchange chip receives data message, and according to assignment of traffic algorithm, forwarding interface is determined from the logic interfacing,
The forwarding interface is connect with forwarding buckle card slot；And
The data message is sent from the forwarding interface to the forwarding CPU for being mounted on the forwarding buckle card slot.
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| CN201910703102.2A CN110430145A (en) | 2019-07-31 | 2019-07-31 | A kind of control method of the network equipment and data communication |
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