CN103873299A - Equipment state polling method and device thereof - Google Patents
Equipment state polling method and device thereof Download PDFInfo
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- CN103873299A CN103873299A CN201410097734.6A CN201410097734A CN103873299A CN 103873299 A CN103873299 A CN 103873299A CN 201410097734 A CN201410097734 A CN 201410097734A CN 103873299 A CN103873299 A CN 103873299A
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Abstract
The invention provides an equipment state polling method and a device thereof. The method comprises the following steps: acquiring route information of all network equipment within the management range of network management equipment, and picking out gateway equipment according to the route directions of all network equipment; acquiring keep-alive state data from the gateway equipment to the network equipment stored on the gateway equipment; if the state between the network equipment and the gateway equipment is suspected to be inaccessible according to the keep-alive state data, transmitting an abnormity confirmation command to the gateway equipment by using the network management equipment to require the gateway equipment to detect the network equipment which is suspected to be inaccessible in order to determine whether the state between the network equipment and the gateway equipment is really inaccessible. When the number of managed equipment is increased, the influence on the network management equipment is very small, so that the network management efficiency is increased.
Description
Technical field
The present invention relates to network management technology field, relate in particular to method and the device thereof of the equipment state polling in a kind of network management procedure.
Background technology
For example, for network management device (, NM server), the most important thing is the abnormality of timely perception managed devices.This abnormality comprises two classes: a class is the unit exception that does not affect interactive communication between managed devices and network management device; An other class is the unit exception that affects interactive communication between managed devices and network management device.After Equations of The Second Kind unit exception occurs, when managed devices cannot occur as first kind unit exception, successfully report self abnormal information to network management device.
Summary of the invention
In view of this, the invention provides a kind of method and device thereof of equipment state polling, its impact in the time that managed devices number increases, network management device being caused is very little, has improved the efficiency of network management.
A kind of method that the invention provides equipment state polling, is applied to network management device, and described method comprises:
Obtain the routing iinformation of the interior all-network equipment of range of management of network management device, and point to pluck according to the route of all-network equipment and select gateway device;
Obtain the gateway device preserved on the gateway device keepalive state data to the network equipment;
As according to as described in keepalive state data determine as described in the network equipment and as described in state between gateway device be doubtful unreachable; described network management device sends and confirms that exceptional instructions requires described gateway device to survey the described doubtful unreachable network equipment to described gateway device, to determine that whether state between the described network equipment and described gateway device is for really unreachable.
Further, keepalive state data of the present invention are ARP data, comprise the IP address information of other network equipments and the current ageing time of ARP list item.
Further, the present invention is when determining that the state between the described network equipment and described gateway device is doubtful unreachable, send confirm exceptional instructions to described gateway device to determine that state between the described network equipment and described gateway device, whether for really unreachable, comprising:
Judge whether the described network equipment exists exchanges data with gateway device in polling cycle, if not, confirm that the communications status between the described network equipment and gateway device is doubtful unreachable;
Judge that whether network management device sent the confirmation exceptional instructions of the described network equipment to described gateway device;
If sent confirmation exceptional instructions, judge that communications status between the described network equipment and described gateway device is for really unreachable;
If do not send confirmation exceptional instructions, send the confirmation exceptional instructions of the described network equipment to gateway device, require gateway device to carry out accessibility detection to the described doubtful unreachable network equipment;
According to the result of detection of gateway device, whether really unreachablely judge between the described network equipment and gateway device.
The present invention also provides a kind of method of equipment state polling, is applied to gateway device, and described method comprises:
The instruction of uploading keepalive state data of receiving network managing equipment, the keepalive state data of collection network equipment and by this keepalive state data upload to network management device;
The network equipment that receiving network managing equipment sends is confirmed exceptional instructions; send probe messages to the described doubtful unreachable network equipment, and determine according to whether receiving the response probe messages that the described doubtful unreachable network equipment sends whether the keepalive state data between the described network equipment and described gateway device refresh.
Further, keepalive state data of the present invention are ARP data, comprise the IP address information of other network equipments and the current ageing time of ARP list item.
The present invention also provides a kind of device of equipment state polling, is applied to network management device, and described device comprises:
Pluck modeling piece, for pointing to according to the route of all-network equipment in range of management, pluck and select gateway device;
Acquisition module, for obtaining the gateway device of gateway device collection to the keepalive state data of the network equipment;
Judge module; for as according to as described in keepalive state data and IP address information determine as described in the network equipment and as described in state between gateway device be doubtful unreachable; send and confirm that exceptional instructions is to described gateway device, to determine that whether state between the described network equipment and described gateway device is for really unreachable.
Further, keepalive state data of the present invention are ARP data, comprise the IP address information of other network equipments and the current ageing time of ARP list item.
Further, judge module of the present invention is determining that the state between the described network equipment and described gateway device is doubtful unreachable, send confirm exceptional instructions to described gateway device to determine that state between the described network equipment and described gateway device, whether for really unreachable, is specially:
Judge whether the described network equipment exists exchanges data with gateway device in polling cycle, if not, confirm that the communications status between the described network equipment and gateway device is doubtful unreachable;
Judge that whether network management device sent the confirmation exceptional instructions of the described network equipment to described gateway device;
If sent confirmation exceptional instructions, judge that the communications status between the described network equipment and described gateway device is unreachable;
If do not send confirmation exceptional instructions, send the confirmation exceptional instructions of the described network equipment to gateway device, require gateway device to carry out accessibility detection to the described doubtful unreachable network equipment;
According to the result of detection of gateway device, whether really unreachablely judge between the described network equipment and gateway device.
The present invention also provides a kind of device of equipment state polling, is applied to gateway device, comprising:
Sending module, uploads the keepalive state data command of the network equipment for receiving network managing equipment, the keepalive state Data Concurrent of collection network equipment is given network management device;
Detecting module; the network equipment sending for receiving network managing equipment is confirmed exceptional instructions; send probe messages to the described doubtful unreachable network equipment, and determine according to whether receiving the response probe messages that the described doubtful unreachable network equipment sends whether the keepalive state data between the described network equipment and described gateway device refresh.
Further, keepalive state data of the present invention are ARP data, comprise the IP address information of other network equipments and the current ageing time of ARP list item.
Network management device of the present invention obtains the routing iinformation of all-network equipment in range of management, and then plucks and select gateway device.Passed through the communications status of keepalive state data acquisition gateway device and other network equipments by gateway device.If the communications status of gateway device and other network equipments is doubtful unreachable, sends and confirm that exceptional instructions is to described gateway device, to determine that whether state between the described network equipment and described gateway device is as unreachable.So just network management device can be distributed on each gateway device the cura generalis work of the managed network equipment, reach the object that alleviates network management device pressure, improve the efficiency of network management.
Brief description of the drawings
Fig. 1 is the method flow diagram that one embodiment of the invention realizes equipment state polling;
Fig. 2 is under certain application scenarios, and network management device of the present invention obtains the schematic diagram of the routing iinformation of all-network equipment in its range of management;
Fig. 3 is under certain application scenarios, the schematic diagram of the ARP table generating on gateway device of the present invention;
Fig. 4 is that one embodiment of the invention realizes in the method for equipment state polling and judges the flow chart whether network equipment can reach;
Fig. 5 is the method flow diagram of realizing equipment state polling in another embodiment of the present invention;
Fig. 6 is the information interaction schematic diagram of one embodiment of the invention network management device, gateway device and managed devices;
Fig. 7 is the structure drawing of device that one embodiment of the invention realizes equipment state polling;
Fig. 8 is the structure drawing of device that another embodiment of the present invention realizes equipment state polling.
Embodiment
Know managed devices extremely conventionally by following two kinds of methods: one, equipment active reporting warning information is to network management device; Two, network management device periodically sends probe messages (as ping instruction) to managed devices, according to the back message using of whether receiving managed devices, initiatively judges the state of managed devices.
In the time that the described Equations of The Second Kind of managed devices generation background technology is abnormal, because managed devices cannot successfully report self abnormal information to network management device, so that employing method one can not know that managed devices occurs is abnormal.
And in the time that network management device adopts method two to carry out equipment control, more and more due to the number of devices of required management, network management device carries out poll detection, has increased the weight of the performance pressure of network management device centralizedly.In addition, network management device initiatively sends periodic polls and surveys, and not only will be responsible for initiatively sending message, but also need to receive back message using, and will compare pairing sending message and back message using, therefore, has in design redundancy.
In sum, the method that network management device carries out equipment control still needs to improve and optimize.
Network management device of the present invention is by obtaining the routing iinformation of all-network equipment in its range of management, and then plucks and select the gateway device that network equipment route is pointed to.Uploaded the communications status of keepalive state data acquisition gateway device and described LA Management Room by gateway device.As gateway device and as described in the communications status of the network equipment be doubtful unreachable, network management device further sends and confirms that exceptional instructions is to described gateway device, require gateway device to survey the doubtful unreachable network equipment, to determine that whether state between the described network equipment and gateway device is as unreachable.By the present invention, the work of the network equipment state-detection that network management device can be managed it is distributed on each gateway device, and then can alleviate the performance pressure of network management device, has improved the efficiency of network management.
Below in conjunction with specific embodiments and the drawings, the present invention will be described.
A kind of method that the invention provides equipment state polling, is applied to network management device.Referring to Fig. 1, described method comprises:
S1, obtain the routing iinformation of all-network equipment in network management device range of management, and point to pluck according to the route of the network equipment and select gateway device.
S2, obtain the gateway device preserved on gateway device and the keepalive state data of LA Management Room.
If S3 determines that according to described keepalive state data the communications status between the described network equipment and gateway device is doubtful unreachable; described network management device sends and confirms exceptional instructions to gateway device; require gateway device to survey the described doubtful unreachable network equipment, to determine that whether communications status between the described network equipment and described gateway device is for really unreachable.
Need to illustrate, step S1-S3 of the present invention is not the restriction that the present invention performs step time sequencing, only for convenience and the numbering that each step is carried out.Meanwhile, network management device of the present invention can also be in S1 obtains range of management in the routing iinformation of all-network equipment, obtains gateway device and the keepalive state data of LA Management Room and the IP address information of the network equipment etc. in S2.
As shown in Figure 2, for network management device of the present invention is under certain application scenarios, obtain the routing iinformation example of all-network equipment in its range of management by S1.In one exemplary embodiment of the present invention, described keepalive state data are specially ARP list item, comprise the IP address information of the network equipment and the current ageing time of ARP list item.ARP(Address Resolution Protocol, address resolution protocol) be to be the ethernet mac address agreement of (or claiming physical address) by the IP address resolution of the network equipment.In actual applications, network management device can, by the mode of Simple Network Management Protocol SNMP or Command Line Interface CLI, obtain the ARP list item of the network equipment of preserving on gateway device.Network management device forms the ARP summary table on managing network device by the ARP list item that gathers all gateway devices and upload.As shown in Figure 3, under the present invention's application scenarios, the example of the ARP table generating on gateway device.In this application, in order to know in time the state variation of the network equipment, network management device need to periodically obtain the ARP list item on gateway device.In the time that certain ARP list item arrival ageing time on gateway device still can not get refreshing, will in the ARP table from this gateway device, delete.If record and be refreshed before arrival ageing time, recalculate ageing time.
For example, suppose under certain application scenarios, the overall ageing time of setting the ARP table of certain gateway device is T.The current ageing time of the ARP list item that in ARP table, network equipment M is corresponding is t, and t represents that this list item can also show the time of (survival) in ARP table.Therefore, deduct t by T and can know how long network equipment M does not carry out data interaction with gateway device, set L=T-t.The status poll cycle I of network management device operating personnel set device, wherein I is less than T, in the overall digestion period namely arranging at ARP table, need at least obtain ARP data one time.The magnitude of I is a minute rank, and network management device operating personnel can be as required for I chooses appropriate numerical value.In addition, Boolean type variable S being set records network management device and whether sent confirmation exceptional instructions to described gateway device.The default value of Boolean type variable S is 0, shows that, for this network equipment M, described network management device did not send confirmation exceptional instructions to described gateway device, sends and confirms that after exceptional instructions, Boolean type variable S becomes 1 from 0 for this network equipment M.
Further, referring to Fig. 4, for network management device of the present invention judges the detail flowchart whether network equipment can reach.Comprise the steps:
S31, judge whether the described network equipment exists exchanges data with gateway device in polling cycle, if not, carry out S32.
Particularly, I≤L, shows that described network equipment M and gateway device do not exist exchanges data in polling cycle I; I>L, shows that described network equipment M and gateway device exist exchanges data in polling cycle I, judges between the network equipment and gateway device and can reach, and upgrade the ARP list item of this network equipment on gateway device.
The present invention just carries out step S31 decision operation when only the IP address as network equipment M belongs to ARP table in specific implementation.When the IP address of network equipment M does not belong to ARP summary table, represent that the IP address free time of network equipment M exceedes ageing time, it has been removed, and directly performs step S32.
S32, confirm that the communications status between the described network equipment and gateway device is doubtful unreachable, further judge that whether network management device sent the confirmation exceptional instructions of the described network equipment to described gateway device, if so, go to step 33, otherwise, go to step 34;
If S33 network management device sent the confirmation exceptional instructions of the described network equipment to described gateway device, confirm the unreachable and process ends of the described network equipment.
Particularly, in the time that Boolean type variable S is 1, described network management device sent confirmation exceptional instructions to described gateway device for this network equipment M; Otherwise when Boolean type variable S is 0, described network management device did not send confirmation exceptional instructions to described gateway device for this network equipment M.
If S34 network management device did not send the confirmation exceptional instructions of the described network equipment to described gateway device, send the confirmation exceptional instructions of the described network equipment to gateway device, require gateway device to carry out accessibility detection to the described doubtful unreachable network equipment.
If network management device judgement did not send the confirmation exceptional instructions of the described network equipment to gateway device, there is not the reason of exchanges data in the described network equipment and gateway device in polling cycle, may be because the connection status between the network equipment and gateway device is unreachable, may in polling cycle, originally just not have data to need exchange due to the network equipment and gateway device yet.Therefore, described network management device needs the confirmation exceptional instructions that further sends this network equipment to described gateway device.Network management device is by confirming exceptional instructions, require gateway device to carry out accessibility detection to the described doubtful unreachable network equipment, to finally determine whether this doubtful unreachable network equipment and gateway device did not originally just have data to need exchange in polling cycle, thereby the connection status between definite described network equipment and gateway device is unreachablely changed into real unreachable still changing into and can reach by doubtful.
S35, according to the result of detection of gateway device, whether really unreachablely judge between the described network equipment and gateway device.
Network management device sends confirms that exceptional instructions is to gateway device, and gateway device is according to confirming that exceptional instructions sends probe messages to network equipment M, and Boolean type variable S becomes 1 from 0.Now, if the state between network equipment M and gateway device, for really unreachable, sends after probe messages to the described network equipment at gateway device, certainly will not can receive the detection response message from network equipment M.Like this, in next polling cycle, between described network equipment M and gateway device, will not have exchanges data, the ARP list item of this network equipment M in ARP table also can not be refreshed, and ageing time t will continue to increase.Come temporarily at next polling cycle, L continuous decrease or this ARP list item are directly deleted because exceeding the overall ageing time T setting.Thereby in next polling cycle, described network management device just can judge that the described network equipment is for really unreachable; Otherwise, if not really unreachable between the network equipment and gateway device, just in polling cycle, do not have data to exchange, send after probe messages to the described network equipment at gateway device so, will certainly receive the detection response message from the network equipment, the ARP list item of this network equipment on gateway device will be refreshed like this.In next polling cycle, the ARP list item of the network equipment on ARP table will be refreshed, and described like this network management device just can determine in next polling cycle that state between the described network equipment and described gateway device is for reaching.Certainly, in order to improve the accuracy of judgement, in the present invention, described network management device can also be in sending the confirmation exceptional instructions of the described network equipment to gateway device, described network management device require gateway device that accessibility is surveyed and reported in time, so that can be understood the state of this network equipment in real time.
The present invention also provides a kind of method of equipment state polling, is applied to gateway device.
Referring to Fig. 5, described method comprises:
The instruction of uploading keepalive state data of B1, receiving network managing equipment, the keepalive state data upload of the network equipment of upper preservation is to network management device.
The network equipment that B2, receiving network managing equipment send is confirmed exceptional instructions; send probe messages to the described doubtful unreachable network equipment; and according to the probe response message that whether receives the described doubtful unreachable network equipment, determine whether the keepalive state data between the described network equipment and gateway device refresh.
Further, keepalive state data of the present invention are ARP data, comprise the IP address information of other network equipments and the current ageing time of ARP list item.
Referring to Fig. 6, for one embodiment of the invention, realize from network management device and the explanation the present invention of gateway device two ends.1. network management device obtains the routing iinformation of all-network equipment in range of management.The route of the all-network equipment that 2. network management device comprises according to routing iinformation is pointed to pluck and is selected gateway device.3. network management device periodically sends and obtains keepalive state data command, obtains the keepalive state data of the network equipment of preserving on gateway device.4. gateway device, according to the keepalive state data command that obtains network management device, periodically sends to network management device by the keepalive state data of the network equipment.5. network management device periodically judges according to described keepalive state data whether the state between the described network equipment and gateway device is doubtful unreachable.6. as described in the network equipment and as described in state between gateway device be doubtful unreachable, send and confirm that exceptional instructions is to described gateway device.7. described gateway device sends the network equipment of probe messages to described doubtful inaccessible state.8. as described in the network equipment reply detection response message to as described in gateway device, determine that state between the described network equipment and described gateway device is for reaching, otherwise be unreachable.
Corresponding to said method, the present invention also provides a kind of device of equipment state polling, is applied to network management device.Described network management device at least includes CPU, internal memory, nonvolatile memory and other hardware on hardware, and referring to Fig. 7, described device logically comprises:
Pluck modeling piece, for pointing to according to the route of all-network equipment in range of management, pluck and select gateway device.
Acquisition module, for obtaining the gateway device of gateway device preservation and the keepalive state data of LA Management Room.
Judge module; for determining according to described keepalive state data whether the state between the described network equipment and gateway device is doubtful unreachable; in this way; send and confirm that exceptional instructions is to described gateway device, to determine that whether state between the described network equipment and described gateway device is as unreachable.
Further, keepalive state data of the present invention are ARP data, comprise the IP address information of other network equipments and the current ageing time of ARP list item.
Further, judge module of the present invention is determining that the state between the described network equipment and described gateway device is doubtful unreachable, send confirm exceptional instructions to described gateway device to determine that state between the described network equipment and described gateway device, whether for really unreachable, is specially:
Judge whether the described network equipment exists exchanges data with gateway device in polling cycle, if not, confirm that the communications status between the described network equipment and gateway device is doubtful unreachable;
Judge that whether network management device sent the confirmation exceptional instructions of the described network equipment to described gateway device;
If sent confirmation exceptional instructions, judge that the communications status between the described network equipment and described gateway device is unreachable;
If do not send confirmation exceptional instructions, send the confirmation exceptional instructions of the described network equipment to gateway device, require gateway device to carry out accessibility detection to the described doubtful unreachable network equipment;
According to the result of detection of gateway device, whether really unreachablely judge between the described network equipment and gateway device.
Corresponding to said method, the present invention also provides a kind of device of equipment state polling, is applied to Network Management Equipment.Described Network Management Equipment at least includes CPU, internal memory, nonvolatile memory and other hardware on hardware, and referring to Fig. 8, described device logically comprises:
Transceiver module, uploads the keepalive state data command of the network equipment for receiving network managing equipment, send the keepalive state data of the network equipment of preserving on it to network management device.
Detecting module; the network equipment sending for receiving network managing equipment is confirmed exceptional instructions; send probe messages to the described doubtful unreachable network equipment; and according to whether receiving the detection response message that the described doubtful unreachable network equipment sends, determine whether the keepalive state data between the described network equipment and described gateway device refresh.
Further, keepalive state data of the present invention are ARP data, comprise the IP address information of other network equipments and the current ageing time of ARP list item.
These are only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (10)
1. a method for equipment state polling, is applied to network management device, it is characterized in that, described method comprises:
Obtain the routing iinformation of the interior all-network equipment of range of management of network management device, and point to pluck according to the route of all-network equipment and select gateway device;
Obtain the gateway device preserved on the gateway device keepalive state data to the network equipment;
As according to as described in keepalive state data determine as described in the network equipment and as described in state between gateway device be doubtful unreachable; described network management device sends and confirms that exceptional instructions requires described gateway device to survey the described doubtful unreachable network equipment to described gateway device, to determine that whether state between the described network equipment and described gateway device is for really unreachable.
2. the method for claim 1, is characterized in that, described keepalive state data are ARP data, comprises the IP address information of other network equipments and the current ageing time of ARP list item.
3. method according to claim 1, it is characterized in that, when determining that the state between the described network equipment and described gateway device is doubtful unreachable, send confirm exceptional instructions to described gateway device to determine that state between the described network equipment and described gateway device, whether for really unreachable, comprising:
Judge whether the described network equipment exists exchanges data with gateway device in polling cycle, if not, confirm that the communications status between the described network equipment and gateway device is doubtful unreachable;
Judge that whether network management device sent the confirmation exceptional instructions of the described network equipment to described gateway device;
If sent confirmation exceptional instructions, judge that communications status between the described network equipment and described gateway device is for really unreachable;
If do not send confirmation exceptional instructions, send the confirmation exceptional instructions of the described network equipment to gateway device, require gateway device to carry out accessibility detection to the described doubtful unreachable network equipment;
According to the result of detection of gateway device, whether really unreachablely judge between the described network equipment and gateway device.
4. a method for equipment state polling, is applied to gateway device, it is characterized in that, described method comprises:
The instruction of uploading keepalive state data of receiving network managing equipment, the keepalive state data of collection network equipment and by this keepalive state data upload to network management device;
The network equipment that receiving network managing equipment sends is confirmed exceptional instructions; send probe messages to the described doubtful unreachable network equipment, and determine according to whether receiving the response probe messages that the described doubtful unreachable network equipment sends whether the keepalive state data between the described network equipment and described gateway device refresh.
5. method as claimed in claim 5, is characterized in that, described keepalive state data are ARP data, comprises the IP address information of other network equipments and the current ageing time of ARP list item.
6. a device for equipment state polling, is applied to network management device, it is characterized in that, described device comprises:
Pluck modeling piece, for pointing to according to the route of all-network equipment in range of management, pluck and select gateway device;
Acquisition module, for obtaining the gateway device of gateway device collection to the keepalive state data of the network equipment;
Judge module; for as according to as described in keepalive state data and IP address information determine as described in the network equipment and as described in state between gateway device be doubtful unreachable; send and confirm that exceptional instructions is to described gateway device, to determine that whether state between the described network equipment and described gateway device is for really unreachable.
7. device as claimed in claim 6, is characterized in that, described keepalive state data are ARP data, comprises the IP address information of other network equipments and the current ageing time of ARP list item.
8. device according to claim 7, it is characterized in that, described judge module is determining that the state between the described network equipment and described gateway device is doubtful unreachable, send confirm exceptional instructions to described gateway device to determine that state between the described network equipment and described gateway device, whether for really unreachable, is specially:
Judge whether the described network equipment exists exchanges data with gateway device in polling cycle, if not, confirm that the communications status between the described network equipment and gateway device is doubtful unreachable;
Judge that whether network management device sent the confirmation exceptional instructions of the described network equipment to described gateway device;
If sent confirmation exceptional instructions, judge that the communications status between the described network equipment and described gateway device is unreachable;
If do not send confirmation exceptional instructions, send the confirmation exceptional instructions of the described network equipment to gateway device, require gateway device to carry out accessibility detection to the described doubtful unreachable network equipment;
According to the result of detection of gateway device, whether really unreachablely judge between the described network equipment and gateway device.
9. a device for equipment state polling, is applied to gateway device, it is characterized in that, comprising:
Sending module, uploads the keepalive state data command of the network equipment for receiving network managing equipment, the keepalive state Data Concurrent of collection network equipment is given network management device;
Detecting module; the network equipment sending for receiving network managing equipment is confirmed exceptional instructions; send probe messages to the described doubtful unreachable network equipment, and determine according to whether receiving the response probe messages that the described doubtful unreachable network equipment sends whether the keepalive state data between the described network equipment and described gateway device refresh.
10. device as claimed in claim 9, is characterized in that, described keepalive state data are ARP data, comprises the IP address information of other network equipments and the current ageing time of ARP list item.
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| CN106033206A (en) * | 2015-03-16 | 2016-10-19 | 佛山市顺德区美的电热电器制造有限公司 | Self-checking method used for cooking utensil, self-checking system and the cooking utensil |
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