CN103684860A - System ID managing method and device - Google Patents
System ID managing method and device Download PDFInfo
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- CN103684860A CN103684860A CN201310648608.0A CN201310648608A CN103684860A CN 103684860 A CN103684860 A CN 103684860A CN 201310648608 A CN201310648608 A CN 201310648608A CN 103684860 A CN103684860 A CN 103684860A
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Abstract
The invention discloses a system ID managing method and device. The method comprises the steps that a network device receives LSP messages carrying System ID; if the System ID carried by the LSP messages is the same as the System ID of the network device, the LSP messages are not LSP messages generated by the network device, the network device generates System ID again, and the System ID of the network device is replaced by the newly-generated System ID. In an embodiment of the invention, network devices with the same System ID in a network can be avoided, and the management maintaining complexity is reduced.
Description
Technical field
The present invention relates to communication technical field, relate in particular to management method and the equipment of a kind of System ID.
Background technology
IS-IS(Intermediate System-to-Intermediate System, Intermediate System-to-Intermediate System) agreement is a kind of dynamic routing protocol, is widely used in IP network.One of Intermediate System to Intermediate System has the features such as wide accommodation, fast convergence rate, loop free, the classification of support route, so Intermediate System to Intermediate System is the IGP(interior Gateway Protocols being most widely used at present, Interior Gateway Protocol) agreement.
Intermediate System to Intermediate System is by System ID(system banner, 6 byte lengths) carry out independent network equipment of unique identification.In existing realization, the configuration of System ID and change are all by manually operated, are manually each network equipments configuration System ID.In real network, especially in large-scale network environment, larger due to the quantity of the network equipment and is-is process quantity, artificial like this while being each network equipments configuration System ID, System ID that may be identical for different network equipments configuration.Further, once there is the network equipment that System ID is identical on network, can cause LSP(Link State Protocol Data Unit, Link State Protocol Data Unit, be called for short LSP) message disorder, network traffics increase, and cause network congestion and route mistake in computation.
Summary of the invention
The embodiment of the present invention provides management method and the equipment of a kind of System ID, to avoid there is the network equipment that System ID is identical in network, solves the collision problem of artificial configuration System ID.
In order to achieve the above object, the embodiment of the present invention provides the management method of a kind of system banner System ID, is applied to comprise in the network of a plurality of network equipments, said method comprising the steps of:
Network equipment receiving link status protocol Data Unit LSP message, has carried System ID in described LSP message;
If the System ID carrying in described LSP message is identical with the System ID of present networks equipment, and described LSP message is not the LSP message that present networks equipment generates, the described network equipment regenerates System ID, and by the System ID regenerating, replaces the System ID of present networks equipment.
In described LSP message, also carry system banner type lengths values TLV, and in described system banner TLV, carried the medium access control MAC Address of the network equipment that generates described LSP message; The described network equipment determines that described LSP message is not the LSP message that present networks equipment generates, and specifically comprises:
When the System ID carrying in described LSP message is identical with the System ID of present networks equipment, the described network equipment obtains the MAC Address of carrying in the system banner TLV of described LSP message;
If the MAC Address of carrying in described system banner TLV is identical with the MAC Address of present networks equipment, the described network equipment determines that described LSP message is the LSP message that present networks equipment generates;
If the MAC Address of carrying in described system banner TLV is different from the MAC Address of present networks equipment, the described network equipment determines that described LSP message is not the LSP message that present networks equipment generates.
In described LSP message, also carry system banner TLV, and the MAC Address of having carried the network equipment that generates described LSP message in described system banner TLV; The described network equipment regenerates the process of System ID, specifically comprises:
The described network equipment obtains the MAC Address of carrying in the system banner TLV of described LSP message, and when the MAC Address of carrying in system banner TLV is less than the MAC Address of present networks equipment, the described network equipment regenerates System ID; When the MAC Address of carrying in system banner TLV is not less than the MAC Address of present networks equipment, the described network equipment does not regenerate System ID; Or,
The described network equipment obtains the MAC Address of carrying in the system banner TLV of described LSP message, and when the MAC Address of carrying in system banner TLV is greater than the MAC Address of present networks equipment, the described network equipment regenerates System ID; When the MAC Address of carrying in system banner TLV is not more than the MAC Address of present networks equipment, the described network equipment does not regenerate System ID.
The described network equipment regenerates the process of System ID, further comprises: the described network equipment utilizes the MAC Address of present networks equipment to generate random number, and using described random number as the System ID regenerating.
The described network equipment regenerates the process of System ID, further comprise: if the System ID that the described network equipment regenerates is identical with the System ID of other network equipment in network, the described network equipment continues to regenerate System ID, until the System ID regenerating is different from the System ID of other network equipment in network.
The embodiment of the present invention provides the management equipment of a kind of system banner System ID, as the network equipment, is applied to comprise that in the network of a plurality of network equipments, the described network equipment specifically comprises:
Receiver module, for receiving link status protocol Data Unit LSP message, and has carried System ID in described LSP message;
Processing module, identical with the System ID of present networks equipment for the System ID carrying when described LSP message, and when described LSP message is not the LSP message of present networks equipment generation, regenerate System ID, and by the System ID regenerating, replace the System ID of present networks equipment.
In described LSP message, also carry system banner type lengths values TLV, and in described system banner TLV, carried the medium access control MAC Address of the network equipment that generates described LSP message;
Described processing module, when identical specifically for the System ID of the System ID that carries in described LSP message and present networks equipment, obtains the MAC Address of carrying in the system banner TLV of described LSP message; If the MAC Address of carrying in described system banner TLV is identical with the MAC Address of present networks equipment, determine that described LSP message is the LSP message that present networks equipment generates; If the MAC Address of carrying in described system banner TLV is different from the MAC Address of present networks equipment, determine that described LSP message is not the LSP message that present networks equipment generates.
In described LSP message, also carry system banner TLV, and the MAC Address of having carried the network equipment that generates described LSP message in described system banner TLV;
Described processing module, specifically for obtaining the MAC Address of carrying in the system banner TLV of described LSP message, when the MAC Address of carrying in system banner TLV is less than the MAC Address of present networks equipment, regenerates System ID; When the MAC Address of carrying is not less than the MAC Address of present networks equipment, do not regenerate System ID in system banner TLV; Or, obtain the MAC Address of carrying in the system banner TLV of described LSP message, when the MAC Address of carrying is greater than the MAC Address of present networks equipment, regenerate System ID in system banner TLV; When the MAC Address of carrying is not more than the MAC Address of present networks equipment, do not regenerate System ID in system banner TLV.
Described processing module, is further used for utilizing the MAC Address of present networks equipment to generate random number, and using described random number as the System ID regenerating.
Described processing module, be further used for when described in the System ID of the System ID that regenerates and other network equipment in network when identical, continue to regenerate System ID, until the System ID regenerating is different from the System ID of other network equipment in network.
Compared with prior art, the embodiment of the present invention at least has the following advantages: in the embodiment of the present invention, the network equipment is after receiving LSP message, if the System ID carrying in LSP message is identical with the System ID of the network equipment, and LSP message is not the LSP message that the network equipment generates, regenerate System ID, and by the System ID of the System ID alternative networks equipment that regenerates.Aforesaid way can be realized the dynamic monitoring of System ID and on-the-fly modify, avoid existing in network the network equipment that System ID is identical, solve the collision problem of artificial configuration System ID, reduce management maintenance complexity, and it is disorderly to solve LSP message, network traffics increase, the problems such as network congestion and route mistake in computation.
Accompanying drawing explanation
Fig. 1 is the management method schematic flow sheet of a kind of System ID of providing of the embodiment of the present invention;
Fig. 2 is the structural representation of a kind of network equipment of providing of the embodiment of the present invention.
Embodiment
For problems of the prior art, the embodiment of the present invention provides the management method of a kind of System ID, and the method is applied at least comprise in the network of a plurality of network equipments, as comprises in the IS-IS network of a plurality of network equipments, as shown in Figure 1, the method can comprise the following steps:
In the embodiment of the present invention, each network equipment all can generate the LSP message of the System ID that carries present networks equipment, and sends this LSP message to other network equipment.Based on this, each network equipment can be received LSP message, and in this LSP message, has carried the System ID of the network equipment that generates this LSP message.
In the embodiment of the present invention, at the existing TLV(Type-Length-Value of Intermediate System to Intermediate System, type lengths values) basis on newly-increased a kind of new TLV type, this TLV type is called system banner TLV.Based on this, in the LSP message that each network equipment generates, also carry system banner TLV, and in this system banner TLV, carried the MAC(Media Access Control of the network equipment that generates this LSP message, medium access control) address.Further, in the LSP message that the network equipment is received, also carry system banner TLV, and the MAC Address of having carried the network equipment that generates this LSP message in this system banner TLV.
In system banner TLV, the type field is the type field of system banner TLV, and as represented by 0xFE, current TLV is system banner TLV.Length field is the length of Value field in this system banner TLV.The MAC Address of carrying the network equipment that generates LSP message in Value field, this MAC Address is the MAC Address that has arbitrarily MAC Address interface enabling, and accounts for 6 byte lengths.
In the embodiment of the present invention, can increase a control command newly, to allow user to select whether to carry out the technical scheme that the embodiment of the present invention provides.If user selects not carry out the technical scheme that the embodiment of the present invention provides, by existing procedure, to process, this processing does not repeat them here.If user selects to carry out the technical scheme that the embodiment of the present invention provides, the network equipment, after receiving LSP message, judges that the System ID carrying in LSP message is the System ID of local is-is process with the System ID(of present networks equipment) whether identical; If different, process ends, the network equipment does not regenerate System ID; If identical, the network equipment judges whether this LSP message is the LSP message that present networks equipment generates; If so, process ends, the network equipment does not regenerate System ID; If not, the network equipment regenerates System ID, replaces the System ID of present networks equipment by the System ID regenerating.
The network equipment determines that LSP message is not in the process of the LSP message that generates of present networks equipment, when the System ID carrying in LSP message is identical with the System ID of present networks equipment, the network equipment obtains the MAC Address of carrying in the system banner TLV of LSP message; If the MAC Address of carrying in system banner TLV is identical with the MAC Address of present networks equipment, the network equipment determines that LSP message is the LSP message that present networks equipment generates; If the MAC Address of carrying in system banner TLV is different from the MAC Address of present networks equipment, the network equipment determines that LSP message is not the LSP message that present networks equipment generates.
In the embodiment of the present invention, the System ID carrying in LSP message is identical with the System ID of present networks equipment, and when LSP message is not the LSP message of present networks equipment generation, illustrate and on network, have the System ID of the System of other network equipment ID and present networks equipment to clash, now need the dynamic process of conflicting, to eliminate the conflict of System ID.For this reason, the network equipment need to regenerate System ID, and by the System ID regenerating, replaces the System ID of present networks equipment.
The network equipment regenerates the process of System ID, specifically comprise: the network equipment obtains the MAC Address of carrying in the system banner TLV of LSP message, when the MAC Address of carrying in system banner TLV is less than the MAC Address of present networks equipment, the network equipment regenerates System ID; When the MAC Address of carrying in system banner TLV is not less than the MAC Address of present networks equipment, the network equipment does not regenerate System ID.Or the network equipment obtains the MAC Address of carrying in the system banner TLV of LSP message, when the MAC Address of carrying in system banner TLV is greater than the MAC Address of present networks equipment, the network equipment regenerates System ID; When the MAC Address of carrying in system banner TLV is not more than the MAC Address of present networks equipment, the network equipment does not regenerate System ID.
In regenerating the process of System ID, the network equipment regenerates the process of System ID, further comprise: the network equipment utilizes the MAC Address of present networks equipment to generate random number, and using this random number as the System ID regenerating, be that the network equipment is used the value of the MAC Address of present networks equipment to generate random number as seed, and using this random number as the System ID regenerating.
In the embodiment of the present invention, the network equipment regenerates the process of System ID, further comprise: if the System ID that the network equipment regenerates is identical with the System ID of other network equipment in network, the network equipment continues to regenerate System ID, until the System ID regenerating is different from the System ID of other network equipment in network.Wherein, the network equipment is after regenerating System ID, by the System ID regenerating and LSDB(Link State Data Base, LSD) in all System ID compare; If the System ID that the System ID in LSDB regenerates with this is identical, the System ID that network equipment regenerates is identical with the System ID of other network equipment in network; If the System ID that the System ID in LSDB regenerates from this is different, the System ID that network equipment regenerates is different from the System ID of other network equipment in network.
In the embodiment of the present invention, the network equipment is regenerating System ID, and after replacing the System ID of present networks equipment by the System ID regenerating, the network equipment can also point out the System ID of user's present networks equipment that dynamically change occurs, and carried the MAC Address of present networks equipment in this information, so that the network equipment that usertracking location System ID dynamically updates.
In sum, in the embodiment of the present invention, realize the dynamic monitoring of System ID and on-the-fly modify, avoid having the network equipment that System ID is identical in network, solve the collision problem that artificial configuration System ID causes, reduce management maintenance complexity, by information, be convenient to the network equipment that user locates conflict, and it is disorderly to solve LSP message, network traffics increase, the problems such as network congestion and route mistake in computation.
Inventive concept based on same with said method, also provides the management equipment of a kind of system banner System ID in the embodiment of the present invention, as the network equipment, be applied to comprise that, in the network of a plurality of network equipments, as shown in Figure 2, the described network equipment specifically comprises:
In described LSP message, also carry system banner type lengths values TLV, and in described system banner TLV, carried the medium access control MAC Address of the network equipment that generates described LSP message;
Described processing module 12, when identical specifically for the System ID of the System ID that carries in described LSP message and present networks equipment, obtains the MAC Address of carrying in the system banner TLV of described LSP message; If the MAC Address of carrying in described system banner TLV is identical with the MAC Address of present networks equipment, determine that described LSP message is the LSP message that present networks equipment generates; If the MAC Address of carrying in described system banner TLV is different from the MAC Address of present networks equipment, determine that described LSP message is not the LSP message that present networks equipment generates.
In described LSP message, also carry system banner TLV, and the MAC Address of having carried the network equipment that generates described LSP message in described system banner TLV;
Described processing module 12, specifically for obtaining the MAC Address of carrying in the system banner TLV of described LSP message, when the MAC Address of carrying in system banner TLV is less than the MAC Address of present networks equipment, regenerates System ID; When the MAC Address of carrying is not less than the MAC Address of present networks equipment, do not regenerate System ID in system banner TLV; Or, obtain the MAC Address of carrying in the system banner TLV of described LSP message, when the MAC Address of carrying is greater than the MAC Address of present networks equipment, regenerate System ID in system banner TLV; When the MAC Address of carrying is not more than the MAC Address of present networks equipment, do not regenerate System ID in system banner TLV.
Described processing module 12, is further used for utilizing the MAC Address of present networks equipment to generate random number, and using described random number as the System ID regenerating.
Described processing module 12, be further used for when described in the System ID of the System ID that regenerates and other network equipment in network when identical, continue to regenerate System ID, until the System ID regenerating is different from the System ID of other network equipment in network.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can separatedly dispose.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential general hardware platform by software and realize, can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. a management method of system banner System ID, is applied to comprise in the network of a plurality of network equipments, it is characterized in that, said method comprising the steps of:
Network equipment receiving link status protocol Data Unit LSP message, has carried System ID in described LSP message;
If the System ID carrying in described LSP message is identical with the System ID of present networks equipment, and described LSP message is not the LSP message that present networks equipment generates, the described network equipment regenerates System ID, and by the System ID regenerating, replaces the System ID of present networks equipment.
2. the method for claim 1, is characterized in that, also carries system banner type lengths values TLV in described LSP message, and in described system banner TLV, has carried the medium access control MAC Address of the network equipment that generates described LSP message; The described network equipment determines that described LSP message is not the process of the LSP message of present networks equipment generation, specifically comprises:
When the System ID carrying in described LSP message is identical with the System ID of present networks equipment, the described network equipment obtains the MAC Address of carrying in the system banner TLV of described LSP message;
If the MAC Address of carrying in described system banner TLV is identical with the MAC Address of present networks equipment, the described network equipment determines that described LSP message is the LSP message that present networks equipment generates;
If the MAC Address of carrying in described system banner TLV is different from the MAC Address of present networks equipment, the described network equipment determines that described LSP message is not the LSP message that present networks equipment generates.
3. the method for claim 1, is characterized in that, in described LSP message, also carries system banner TLV, and the MAC Address of having carried the network equipment that generates described LSP message in described system banner TLV; The described network equipment regenerates the process of System ID, specifically comprises:
The described network equipment obtains the MAC Address of carrying in the system banner TLV of described LSP message, and when the MAC Address of carrying in system banner TLV is less than the MAC Address of present networks equipment, the described network equipment regenerates System ID; When the MAC Address of carrying in system banner TLV is not less than the MAC Address of present networks equipment, the described network equipment does not regenerate System ID; Or,
The described network equipment obtains the MAC Address of carrying in the system banner TLV of described LSP message, and when the MAC Address of carrying in system banner TLV is greater than the MAC Address of present networks equipment, the described network equipment regenerates System ID; When the MAC Address of carrying in system banner TLV is not more than the MAC Address of present networks equipment, the described network equipment does not regenerate System ID.
4. the method as described in claim 1 or 3, it is characterized in that, the described network equipment regenerates the process of System ID, further comprises: the described network equipment utilizes the MAC Address of present networks equipment to generate random number, and using described random number as the System ID regenerating.
5. the method as described in claim 1 or 3, it is characterized in that, the described network equipment regenerates the process of System ID, further comprise: if the System ID that the described network equipment regenerates is identical with the System ID of other network equipment in network, the described network equipment continues to regenerate System ID, until the System ID regenerating is different from the System ID of other network equipment in network.
6. a management equipment of system banner System ID, is applied to comprise in the network of a plurality of network equipments as the network equipment, and it is characterized in that, the described network equipment specifically comprises:
Receiver module, for receiving link status protocol Data Unit LSP message, and has carried System ID in described LSP message;
Processing module, identical with the System ID of present networks equipment for the System ID carrying when described LSP message, and when described LSP message is not the LSP message of present networks equipment generation, regenerate System ID, and by the System ID regenerating, replace the System ID of present networks equipment.
7. equipment as claimed in claim 6, is characterized in that,
In described LSP message, also carry system banner type lengths values TLV, and in described system banner TLV, carried the medium access control MAC Address of the network equipment that generates described LSP message;
Described processing module, when identical specifically for the System ID of the System ID that carries in described LSP message and present networks equipment, obtains the MAC Address of carrying in the system banner TLV of described LSP message; If the MAC Address of carrying in described system banner TLV is identical with the MAC Address of present networks equipment, determine that described LSP message is the LSP message that present networks equipment generates; If the MAC Address of carrying in described system banner TLV is different from the MAC Address of present networks equipment, determine that described LSP message is not the LSP message that present networks equipment generates.
8. equipment as claimed in claim 6, is characterized in that,
In described LSP message, also carry system banner TLV, and the MAC Address of having carried the network equipment that generates described LSP message in described system banner TLV;
Described processing module, specifically for obtaining the MAC Address of carrying in the system banner TLV of described LSP message, when the MAC Address of carrying in system banner TLV is less than the MAC Address of present networks equipment, regenerates System ID; When the MAC Address of carrying is not less than the MAC Address of present networks equipment, do not regenerate System ID in system banner TLV; Or, obtain the MAC Address of carrying in the system banner TLV of described LSP message, when the MAC Address of carrying is greater than the MAC Address of present networks equipment, regenerate System ID in system banner TLV; When the MAC Address of carrying is not more than the MAC Address of present networks equipment, do not regenerate System ID in system banner TLV.
9. the equipment as described in claim 6 or 8, is characterized in that,
Described processing module, is further used for utilizing the MAC Address of present networks equipment to generate random number, and using described random number as the System ID regenerating.
10. the equipment as described in claim 6 or 8, is characterized in that,
Described processing module, be further used for when described in the System ID of the System ID that regenerates and other network equipment in network when identical, continue to regenerate System ID, until the System ID regenerating is different from the System ID of other network equipment in network.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105991447A (en) * | 2015-02-10 | 2016-10-05 | 中兴通讯股份有限公司 | Segmented routing identification SID processing method and apparatus thereof |
| CN112286712A (en) * | 2020-12-25 | 2021-01-29 | 成都数联铭品科技有限公司 | Fault-tolerant repair method based on unique ID |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3112160B2 (en) * | 1997-09-29 | 2000-11-27 | 日本電気株式会社 | Automatic detection method of network address duplicate device |
| CN102655462B (en) * | 2012-04-09 | 2016-02-03 | 深圳市佳信捷技术股份有限公司 | The method of batch upgrade Embedded Network Device and device |
| CN102710500A (en) * | 2012-05-10 | 2012-10-03 | 中兴通讯股份有限公司 | Method for processing conflict of identifiers of device groups in network, and route bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105991447A (en) * | 2015-02-10 | 2016-10-05 | 中兴通讯股份有限公司 | Segmented routing identification SID processing method and apparatus thereof |
| CN112286712A (en) * | 2020-12-25 | 2021-01-29 | 成都数联铭品科技有限公司 | Fault-tolerant repair method based on unique ID |
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