CN101695028B - Method and device for configuring simple network management protocol - Google Patents
Method and device for configuring simple network management protocol Download PDFInfo
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Abstract
The invention discloses a method and a device for configuring a SNMP, which are applied to a network system consisting of a network management station (NMS) and a proxy device. The method comprises the following steps: the NMS sends a configuration message of the SNMP to the proxy device and receives a response message of the proxy device to the configuration message of the SNMP, wherein a plurality of configuration items in the configuration message of the SNMP are independent and have no business dependency relationship; the NMS judges whether the configuration corresponding to the configuration message of the SNMP is successful or not according to the response message, if so, the configuration result is informed to a user, if not, the configuration message of the SNMP is corrected according to the error information in the response message, and the corrected configuration message of the SNMP is sent to the proxy device until the received response message indicates that the configuration is successful or the corrected configuration message of the SNMP has no configuration items. By using the invention, the configuration efficiency of the SNMP is improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of Simple Network Management Protocol collocation method and device.
Background technology
Along with the expansion of development of internet technology and web influence, SNMP (Simple NetworkManagement Protocol, Simple Network Management Protocol) as a kind of method of service of simplifying Network Management and maintenance, receives increasing concern.Many software kits relevant with network and hardware device comprise switch, router, fire compartment wall and the network printer, all simplify the management and the Data Acquisition of equipment in the catenet through SNMP.
SNMP is by IETF (Internet Engineering Task Force; The Internet engineering duty group) one of definition cover is based on SGMP (Simple Gateway Monitor Protocol; Simple gateway monitoring protocol) NMP; Can be used as the rule of communication between NMS in the network (Network Management Station, NMS) and Agent (agency) equipment.NMS can all support the Agent equipment of SNMP through the SNMP telemanagement, comprise the network state of keeping watch on Agent equipment, revise the Agent configuration of devices, and receive from the network event warning of Agent equipment etc.
SNMP adopts the communication character string of acquiescence to obtain facility information usually and revises configuration, and this communication character string mainly comprises Get (obtaining) order and Set (configuration) order.Wherein, the Set order is used to be provided with some parameter and the function of Agent equipment, as closes certain network interface and revise router parameter etc., can be used as NMS and sends the mode that message is set to Agent equipment.Through using the SNMPSet operation of Set order, NMS can change the association attributes and the running status of Agent equipment, thereby Agent equipment is effectively controlled.
Particularly, NMS sends SNMP Set message to Agent equipment, and Agent equipment carries out the Set operation according to the Set message that receives, and returns response message according to the Set operating result to NMS.If Set operates successfully, comprise Set operation successful information and configuration result in the response message that Agent equipment returns, Set is operated successful information to NMS and configuration result returns to caller with the prompting user; If Set operation failure; Comprise Set operation failure information in the response message that Agent equipment returns; After NMS receives the response message that comprises Set operation failure information; Stop the Set operation, no longer issue data, but configuration result and error message are returned to caller with the prompting user to Agent equipment.Need to prove; When having multinomial content possibly cause the Set operation failure in the SNMP Set message; Agent equipment is when finding that each content causes the Set operation failure; Promptly in the response message that returns, comprise Set operation failure information, and only carry the corresponding error message of a content that causes the Set operation failure at every turn.
Therefore, the shortcoming of prior art scheme is that NMS can not attempt revising the mistake that causes the Set operation failure, and only the user informed in error message behind SNMP Set operation failure, waits for next step operation of user, lacks flexibility and intelligent.
Summary of the invention
The invention provides a kind of SNMP collocation method and device, be used to improve the efficient of SNMP configuration.
The invention provides a kind of SNMP collocation method, be applied to comprise in the network system of NMS NMS and agent equipment, said method comprising the steps of:
Said NMS sends the SNMP configuration message to said agent equipment; And receive the response message of said agent equipment to said SNMP configuration message; Be mutually independent, do not exist professional dependence between a plurality of configuration items in the wherein said SNMP configuration message, the error message in the said response message comprises error-status field and error index field;
Said NMS judges the whether success of the corresponding configuration operation of said SNMP configuration message according to said response message, if success then notify the user with configuration result; Otherwise revise the configuration item in the said SNMP configuration message according to the error message in the said response message; And said amended SNMP configuration message sent to said agent equipment, in response message indication configuration operation success that receives or said amended SNMP configuration message, there is not configuration item.
Preferably; Said NMS revises the configuration item in the SNMP configuration message according to the error message in the response message, and comprising: said NMS reads the error-status field in the said error message, judges whether said error condition is that protocol package is too big; If not; Then read the error index field in the said error message, obtain the errors present index, delete in the variable binding field of said SNMP configuration message and the corresponding configuration item of said errors present index.
Said NMS revises the configuration item in the SNMP configuration message according to the error message in the response message, also comprises:
When judging that said error condition is protocol package when too big, then to the processing of unpacking of said SNMP configuration message corresponding protocols bag.
Preferably, said NMS obtains after the errors present index, also comprises:
Said NMS stores said errors present index corresponding configuration item and error condition.
Preferably, do not have also to comprise after the configuration item in response message indication configuration operation success that said NMS receives or the amended SNMP configuration message:
Corresponding configuration item and the error condition of said errors present index that said NMS will store shows.
Preferably, said NMS judges that according to response message whether the corresponding configuration operation of SNMP configuration message is successful, specifically comprises:
Said NMS reads the error-status field in the said response message, and whether the misjudgment state is noError, if then judge said configuration operation success; Otherwise judge said configuration operation failure.
The present invention also provides a kind of NMS NMS device that is applied to said method, comprises transceiver module, judge module and processing module, wherein,
Said transceiver module; Electrically connect with said judge module; Be used for sending the SNMP configuration message to agent equipment; And receive the response message of said agent equipment to said SNMP configuration message, and being mutually independent, not existing professional dependence between a plurality of configuration items in the wherein said SNMP configuration message, the error message in the said response message comprises error-status field and error index field;
Said judge module electrically connects with said processing module, is used for judging the whether success of the corresponding configuration operation of said SNMP configuration message according to said response message, if success then indicate said processing module to notify the user with configuration result; Otherwise indicate said processing module to revise said SNMP configuration message;
Said processing module; Electrically connect with said transceiver module; Be used for when said judge module is judged the configuration operation failure; The configuration item in the said SNMP configuration message is revised in error message in the response message that receives according to said transceiver module, and notifies said transceiver module that said amended SNMP configuration message is sent to said agent equipment; When said judge module is judged the configuration operation success according to said response message, notify the user with configuration result;
Preferably, said processing module specifically is used for reading the error-status field of said error message; Judge whether said error condition is that protocol package is too big, if not, then read the error index field in the said error message; Obtain the errors present index; Delete in the variable binding field of said SNMP configuration message and the corresponding configuration item of said errors present index, notify said transceiver module that said amended SNMP configuration message is sent to said agent equipment
Said processing module specifically also is used for when judging that said error condition is protocol package when too big, to the processing of unpacking of said SNMP configuration message corresponding protocols bag.
Preferably, said processing module also is used to store said errors present index corresponding configuration item and error condition.
Preferably, said processing module also is used for when the configuration operation success, and configuration item and error condition that the said errors present index of storage is corresponding show.
Preferably, said judge module specifically is used for reading the error-status field of said response message, and whether the misjudgment state is noError, if judge said configuration operation success; Otherwise judge said configuration operation failure.
Compared with prior art; The present invention has the following advantages: the present invention is when the SNMP configuration failure; Revise the SNMP configuration message according to the error message in the response message that receives, and send amended SNMP configuration message, can correct the mistake of the configuration item in the SNMP configuration message automatically to agent equipment; Improve the chance of success of SNMP configuration, simplified configuration operation.
Description of drawings
Fig. 1 is a kind of SNMP collocation method flow chart among the present invention;
Fig. 2 is the Set operating process sketch map in the application scenarios of the present invention;
Fig. 3 is SNMP configuration flow figure in the application scenarios of the present invention;
Fig. 4 is the structural representation of SNMP inking device in the application scenarios of the present invention.
Embodiment
In the technical scheme provided by the invention; Its core concept is when SNMP Set operation failure; NMS obtains the error message in the response message that receives; Revise the SNMP configuration message according to this error message, separate between a plurality of configuration items in the wherein said SNMP configuration message, do not have professional dependence, and amended SNMP configuration message is sent to agent equipment; In response message indication configuration operation success that receives or amended SNMP configuration message, do not have configuration item, thereby correct the mistake of the configuration item in the SNMP configuration message automatically.
To combine the accompanying drawing among the present invention below; Technical scheme of the present invention is carried out clear, intactly description, as shown in Figure 1, be a kind of SNMP collocation method flow chart among the present invention; Be applied to comprise in the network system of NMS and agent equipment, said method comprising the steps of:
Particularly, NMS reads the error-status field in the response message, and whether the misjudgment state is noError, if then judge said configuration operation success; Otherwise judge said configuration operation failure.
Step 104, NMS revises the SNMP configuration message according to the error message in the response message.
Particularly; Error message in the response message comprises error-status field and error index field; Error-status field in the NMS read error information; Whether the misjudgment state is protocol package too big (tooBig), too big if error condition is a protocol package, then to the processing of unpacking of SNMP configuration message corresponding protocols bag; If it is too big that error condition is not a protocol package, then the error index field in the read error information obtains the errors present index, the configuration item corresponding with the errors present index in the variable binding field of deletion SNMP configuration message.
In addition, corresponding configuration item and the error condition of all right storage errors location index of NMS supplies the user to check; NMS does not have configuration item in response message indication configuration operation success that receives or amended SNMP configuration message after, configuration item and error condition that the errors present index of storage is corresponding show.
Below in conjunction with application scenarios, the SNMP collocation method among the present invention is carried out detailed, concrete description.Should be operating as example with SNMPv1 Set with scene, need to prove that technical scheme of the present invention is not limited to SNMPv1 Set operation, be equally applicable to SNMPv2c Set operation and SNMPv3 Set operation.In addition, technical scheme provided by the invention only is applied to application scenarios separate between a plurality of configuration items in the SNMP configuration message, that do not have professional dependence.
As shown in Figure 2, be the Set operating process sketch map in the application scenarios of the present invention, NMS sends SNMP configuration message 1,3,5 and 7 to agent equipment, and agent equipment returns above-mentioned SNMP configuration message corresponding response message 2,4,6,8 to NMS.Above-mentioned content of message, as shown in table 1.Wherein, VARIABLEBINDINGS (variable binding) field representes that NMS is configured the content of configuration item in the corresponding SNMP configuration message of when operation to agent equipment; Comprise the one or more variablees and the corresponding Configuration Values of each variable of agent equipment, for example configuration item (A:a) expression is configured to a with the variables A in the agent equipment configuration; ErrorStatus (error condition) field representes that NMS is configured the error condition of operation to agent equipment; ErrorIndex (error indexes) field is represented the error indexes that error condition is corresponding, and the position of configuration item in VARIABLE BINDINGS field of configuration operation failure promptly takes place.Error Status field in the response message and Error Index field can only be represented the error message of single configuration item; For SNMP configuration message 1,3,5 and 7, these two fields of Error Status that it comprises and Error Index are 0.
Table 1SNMP configuration message and corresponding response message contents table
For operating process sketch map shown in Figure 2, concrete SNMP configuration flow figure is as shown in Figure 3, may further comprise the steps in the application scenarios of the present invention:
Step 301, NMS sends SNMP configuration message 1 to agent equipment, and receives the response message 2 that agent equipment returns.
Need to prove that NMS can store the SNMP configuration message that sends to agent equipment, so that revise this SNMP configuration message according to the follow-up response message that receives.
Step 302; NMS reads error-status field and the error index field in the response message 2; Obtain error condition and errors present index and be respectively badValue (bad value) and 2; Then NMS deletes second configuration item (B:b) of corresponding errors present index in the variable binding field of SNMP configuration message 1, and the configuration item (B:b) of storage deletion and corresponding error condition badValue.For the configuration item that the variable binding field in the response message is carried, NMS can not resolve and handle.
Step 303, NMS according to amended SNMP configuration message 1 as SNMP configuration message 3, and this SNMP configuration message 3 sent to agent equipment, and receives the response message 4 that agent equipment returns.
Step 304; NMS reads error-status field and the error index field in the response message 4; Obtain error condition and errors present index and be respectively noSuchName (not having corresponding title) and 3; Then NMS deletes the 3rd configuration item (D:d) of corresponding errors present index in the variable binding field of SNMP configuration message 3, and the configuration item (D:d) of storage deletion and corresponding error condition noSuchName.
Step 305, NMS as SNMP configuration message 5, and sends to agent equipment with this SNMP configuration message 5 with amended SNMP configuration message 3, receives the response message 6 that agent equipment returns.
Step 306; NMS reads error-status field and the error index field in the response message 6; Obtain error condition and errors present index and be respectively genErr (makeing mistakes) and 4; Then NMS deletes the 4th configuration item (F:f) of corresponding errors present index in the variable binding field of SNMP configuration message 5, and the configuration item (F:f) of storage deletion and corresponding error condition genErr.
Step 307, NMS as SNMP configuration message 7, and sends to agent equipment with this SNMP configuration message 7 with amended SNMP configuration message 5, receives the response message 8 that agent equipment returns.
Step 308; NMS reads the error-status field in the response message 8; Obtaining error condition is noError (not having mistake), and configuration result is shown to the user, prompting user's configuration item (A:a), (C:c), (E:e) and (G:g) configuration successful and configuration item (B:b), (D:d) and (F:f) configuration failure; And provide the corresponding error state, for example:
Configuration item (B:b), corresponding error condition is badValue;
Configuration item (D:d), corresponding error condition is noSuchName;
Configuration item (F:f), corresponding error condition is genErr.
Need to prove; If the response message that receives continues the failure of prompting configuration operation; When in amended SNMP configuration message, not having configuration item; NMS no longer sends the SNMP configuration message to agent equipment, but configuration item and error condition that the errors present index of storage is corresponding are shown to the user.
NMS among the present invention is behind the SNMP configuration failure; Revise the SNMP configuration message according to the error message in the response message that receives; And continue to send amended SNMP configuration message to agent equipment; Can correct the mistake of the configuration item in the SNMP configuration message automatically, make NMS possess self-fault-tolerant ability, improve the chance of success of SNMP configuration and the form of compatibility NMS binds to(for) multivariable.For example; When NMS supports multivariable binding form is the Set operation of a, b, c, d; Device A supports that multivariable binding form is the Set operation of a, b, c, d, and equipment B supports that multivariable binding form is the Set operation of a, b, d, when equipment C supports that multivariable binding form is the Set operation of a, d; The multivariable of NMS is bound the Set operation can successfully act on device A, equipment B and equipment C simultaneously, thereby has significantly reduced the adaptive workload of NMS for the multivariable binding form of distinct device.In addition; NMS does not carry out any mutual with the user in the whole process of revising configuration item; The user only checks the final result of SNMP configuration after the SNMP configuration successful, comprise the configuration item and corresponding error condition of makeing mistakes, and has improved the flexibility of NMS and intelligent.
The present invention provides SNMP collocation method and application scenarios in the above-described embodiment, and correspondingly, the present invention also provides the device of using above-mentioned SNMP collocation method.
As shown in Figure 4, for SNMP inking device structural representation in the application scenarios of the present invention, comprise transceiver module 410, judge module 420 and processing module 430, wherein,
Transceiver module 410 electrically connects with judge module 420, is used for sending the SNMP configuration message to agent equipment, and receives the response message of said agent equipment to said SNMP configuration message.
Wherein, be mutually independent, do not exist professional dependence between a plurality of configuration items in the said SNMP configuration message.
Judge module 420; Electrically connect with processing module 430; Be used to resolve the response message that transceiver module 410 receives; Judge the whether success of the corresponding configuration operation of said SNMP configuration message according to this response message, when the configuration operation success, then indicate processing module 430 to notify the user configuration result; When configuration operation was failed, indication processing module 430 was revised said SNMP configuration message.
Above-mentioned judge module 420 specifically is used for reading the error-status field of said response message, and whether the misjudgment state is noError, when said error condition is noError, judges said configuration operation success; When said error condition is not noError, judge said configuration operation failure.
Processing module 430; Electrically connect with transceiver module 410; Be used for when judge module 420 is judged the configuration operation failure; Obtain the error message in the response message that transceiver module 410 receives, revise the configuration item in the said SNMP configuration message, and notice transceiver module 410 sends to said agent equipment with said amended SNMP configuration message according to said error message; When judge module 420 is judged the configuration operation success according to said response message, notify the user with configuration result.
Wherein, Error message in the response message comprises error-status field and error index field; Above-mentioned processing module 430 specifically is used for reading the error-status field of said error message, judges whether said error condition is that protocol package is too big; In said error condition is protocol package when too big, to the processing of unpacking of said SNMP configuration message corresponding protocols bag; In said error condition is not that protocol package is when too big; Read the error index field in the said error message; Obtain the errors present index; Delete in the variable binding field of said SNMP configuration message and the corresponding configuration item of said errors present index, notice transceiver module 410 sends to said agent equipment with said amended SNMP configuration message.
Above-mentioned processing module 430 also is used to store said errors present index corresponding configuration item and error condition.
Above-mentioned processing module 430 also is used for when the configuration operation success, and configuration item and error condition that the errors present index of storage is corresponding show.
The present invention is when the SNMP configuration failure; Revise the SNMP configuration message according to the error message in the response message that receives; And continue to send amended SNMP configuration message to agent equipment; Can correct the mistake of the configuration item in the SNMP configuration message automatically, improve the chance of success of SNMP configuration, simplify configuration operation.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium, comprise some instructions with so that a station terminal equipment (can be mobile phone, personal computer; Server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
Claims (10)
1. a Simple Network Management Protocol SNMP collocation method is applied to comprise in the network system of NMS NMS and agent equipment, it is characterized in that, said method comprising the steps of:
Said NMS sends the SNMP configuration message to said agent equipment; And receive the response message of said agent equipment to said SNMP configuration message; Be mutually independent, do not exist professional dependence between a plurality of configuration items in the wherein said SNMP configuration message, the error message in the said response message comprises error-status field and error index field;
Said NMS judges the whether success of the corresponding configuration operation of said SNMP configuration message according to said response message, if success then notify the user with configuration result; Otherwise revise the configuration item in the said SNMP configuration message according to the error message in the said response message; And said amended SNMP configuration message sent to said agent equipment, in response message indication configuration operation success that receives or said amended SNMP configuration message, there is not configuration item;
Wherein, Said NMS revises the configuration item in the SNMP configuration message according to the error message in the response message, and comprising: said NMS reads the error-status field in the said error message, judges whether said error condition is that protocol package is too big; If not; Then read the error index field in the said error message, obtain the errors present index, delete in the variable binding field of said SNMP configuration message and the corresponding configuration item of said errors present index.
2. the method for claim 1 is characterized in that, said NMS revises the configuration item in the SNMP configuration message according to the error message in the response message, also comprises:
When judging that said error condition is protocol package when too big, then to the processing of unpacking of said SNMP configuration message corresponding protocols bag.
3. method as claimed in claim 2 is characterized in that, said NMS obtains after the errors present index, also comprises:
Said NMS stores said errors present index corresponding configuration item and error condition.
4. method as claimed in claim 3 is characterized in that, does not have also to comprise after the configuration item in response message indication configuration operation success that said NMS receives or the amended SNMP configuration message:
Corresponding configuration item and the error condition of said errors present index that said NMS will store shows.
5. method as claimed in claim 2 is characterized in that, said NMS judges that according to response message whether the corresponding configuration operation of SNMP configuration message is successful, specifically comprises:
Said NMS reads the error-status field in the said response message, and whether the misjudgment state is noError, if then judge said configuration operation success; Otherwise judge said configuration operation failure.
6. an application rights requires the NMS NMS device of 1 said method, it is characterized in that, comprises transceiver module, judge module and processing module, wherein,
Said transceiver module; Electrically connect with said judge module; Be used for sending the SNMP configuration message to agent equipment; And receiving the response message of said agent equipment to said SNMP configuration message, separate between a plurality of configuration items in the wherein said SNMP configuration message, do not have professional dependence, the error message in the said response message comprises error-status field and error index field;
Said judge module electrically connects with said processing module, is used for judging the whether success of the corresponding configuration operation of said SNMP configuration message according to said response message, if success then indicate said processing module to notify the user with configuration result; Otherwise indicate said processing module to revise said SNMP configuration message;
Said processing module; Electrically connect with said transceiver module; Be used for when said judge module is judged the configuration operation failure; The configuration item in the said SNMP configuration message is revised in error message in the response message that receives according to said transceiver module, and notifies said transceiver module that said amended SNMP configuration message is sent to said agent equipment; When said judge module is judged the configuration operation success according to said response message, notify the user with configuration result;
Wherein, said processing module specifically is used for reading the error-status field of said error message; Judge whether said error condition is that protocol package is too big; If not, then read the error index field in the said error message, obtain the errors present index; Delete in the variable binding field of said SNMP configuration message and the corresponding configuration item of said errors present index, notify said transceiver module that said amended SNMP configuration message is sent to said agent equipment.
7. device as claimed in claim 6 is characterized in that,
Said processing module specifically also is used for when judging that said error condition is protocol package when too big, to the processing of unpacking of said SNMP configuration message corresponding protocols bag.
8. device as claimed in claim 7 is characterized in that, said processing module also is used to store said errors present index corresponding configuration item and error condition.
9. device as claimed in claim 8 is characterized in that, said processing module also is used for when the configuration operation success, and configuration item and error condition that the said errors present index of storage is corresponding show.
10. device as claimed in claim 7 is characterized in that, said judge module specifically is used for reading the error-status field of said response message, and whether the misjudgment state is noError, if judge said configuration operation success; Otherwise judge said configuration operation failure.
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| CN101009580A (en) * | 2006-01-25 | 2007-08-01 | 中兴通讯股份有限公司 | A remote login implementation method based on SNMP protocol |
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| CN101009580A (en) * | 2006-01-25 | 2007-08-01 | 中兴通讯股份有限公司 | A remote login implementation method based on SNMP protocol |
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Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Patentee after: Xinhua three Technology Co., Ltd. Address before: 310053 Hangzhou hi tech Industrial Development Zone, Zhejiang province science and Technology Industrial Park, No. 310 and No. six road, HUAWEI, Hangzhou production base Patentee before: Huasan Communication Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20201016 |