CN102082710A - Method and system for implementing detection on network topology fault of nodes in network - Google Patents
Method and system for implementing detection on network topology fault of nodes in network Download PDFInfo
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Abstract
The invention provides a method, device and system for implementing detection on network topology fault of nodes in a network, wherein the method comprises the steps of: initiating a link layer discovery protocol, and obtaining current topological neighbor information through a topological neighbor discovery process; comparing the current topological neighbor information with pre-stored reference topological neighbor information, and giving an alarm prompt regarding topological error if the current topological neighbor information and the reference topological neighbor information are inconsistent.
Description
Technical field
The present invention relates to the communications field, relate in particular to method, the Apparatus and system of node realization network topology fault detect in a kind of network.
Background technology
Along with the continuous expansion of network size, the maintenance and management difficulty of network also constantly increases, in a single day the complicated link of equipment room connects makes mistakes, and only relies on base line topology figure to go contrast to search very difficulty of fault, inefficiency.How quick and precisely connection error in the fixer network topology, faults such as redundant and disconnection are problem demanding prompt solutions.
Summary of the invention
The invention provides a kind of detection method, device and system of network topology fault, can fast detecting have the fault of network topology.
For solving the problems of the technologies described above, the invention provides following technical scheme:
Node is realized the method for network topology fault detect in a kind of network, comprising:
Open Link Layer Discovery Protocol, obtain current topological neighbor information by topological neighbor discovery process;
The base line topology neighbor information of current topological neighbor information and preservation is in advance compared, and current as described topological neighbor information and described base line topology neighbor information are inconsistent, carry out the wrong alarm prompt of topology.
Preferably, described method also has following characteristics: also comprise after opening Link Layer Discovery Protocol:
Obtain current topological neighbor information by topological neighbor discovery process first, current topological neighbor information is reported network management system, after network management system is confirmed, described current topological neighbor information is preserved as the base line topology neighbor information.
Preferably, described method also has following characteristics:
Described with current topological neighbor information and the comparison of base line topology neighbor information, regularly carry out.
Preferably, described method also has following characteristics: the base line topology neighbor information of current topological neighbor information and preservation is in advance compared, and current as described topological neighbor information and described base line topology neighbor information are inconsistent, also comprise:
Point out to the network management system report and alarm; And,
Report current topological neighbor information to described network management system, perhaps report in the current topological neighbor information and the inconsistent topological relation information of base line topology neighbor information.
Preferably, described method also has following characteristics: carry out also comprising after the wrong alarm prompt of topology:
As receive and then the base line topology neighbor information is updated to current topological neighbor information by the indication information that the base line topology neighbor information is updated to current topological neighbor information that network management system issues.
Node is realized the system of network topology fault detect in a kind of network, comprising:
First device is used to open Link Layer Discovery Protocol, obtains current topological neighbor information by topological neighbor discovery process;
Second device is used for the base line topology neighbor information of current topological neighbor information and preservation is in advance compared, and current as described topological neighbor information and described base line topology neighbor information are inconsistent, carry out the wrong alarm prompt of topology.
Preferably, described method also has following characteristics:
First device also is used for obtaining current topological neighbor information by topological neighbor discovery process first, and the report network management system after network management system is confirmed, is preserved described current topological neighbor information as the base line topology neighbor information.
Preferably, described method also has following characteristics: described second device compares current topological neighbor information and base line topology neighbor information, regularly carries out.
Preferably, described method also has following characteristics: described system also comprises:
The 3rd device is used for pointing out to the network management system report and alarm when described current topological neighbor information and described base line topology neighbor information are inconsistent; And, report current topological neighbor information to described network management system, perhaps report in the current topological neighbor information and the inconsistent topological relation information of base line topology neighbor information.
Preferably, described method also has following characteristics: described system also comprises:
The 4th device, be used for receive that network management system issues the base line topology neighbor information is updated to the indication information of current topological neighbor information the time, then the base line topology neighbor information is updated to current topological neighbor information.
One or more embodiment provided by the invention opens Link Layer Discovery Protocol, will preserve as the base line topology neighbor information by the topological neighbor information that topological neighbor discovery process first obtains; Obtain current topological neighbor information by new topological neighbor discovery process again; Current topological neighbor information and base line topology neighbor information are compared, inconsistent as both, carry out the wrong alarm prompt of topology, reach the purpose that quicklook ground sensing network topology connects fault, can help the attendant accurately and timely to recover network topology and connect.
Description of drawings
Fig. 1 is the schematic flow sheet that node is realized the method embodiment of network topology fault detect in the network provided by the invention;
Fig. 2 is the structural representation that node is realized the system embodiment of network topology fault detect in the network provided by the invention;
Fig. 3 is another structural representation of system shown in Figure 2 embodiment;
Fig. 4 is another structural representation of system shown in Figure 2 embodiment.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Node in the embodiment of the invention is all enabled Link Layer Discovery Protocol (Link Layer DiscoveryProtocol, LLDP), wherein this LLDP agreement is a kind of contiguous agreement of finding, it is an ethernet network device, as switch, router and wireless local network connecting point etc. have defined a kind of method of standard, make its can be in network the existence of other nodes announcements self, and preserve the discovery information of each nearby device, and all storing the information of definition oneself on each port of all devices, can send updating message to the nearby device with them if desired, contiguous equipment can be with information stores in the SNMPMIBs of standard (management information bank).Network management system can inquire the connection situation of the current second layer from MIB.
Enable under the scene of LLDP agreement with node in the network below method embodiment provided by the invention described:
Fig. 1 is the schematic flow sheet that node is realized the method embodiment of network topology fault detect in the network provided by the invention.Method embodiment shown in Figure 1 comprises:
Step 101, open Link Layer Discovery Protocol, will preserve as the base line topology neighbor information by the topological neighbor information that topological neighbor discovery process first obtains;
Wherein a node can obtain the information that exists that other nodes send in the network; Wherein this exists information to be used for representing that the transmit leg of this information exists at network, for example, the information representation node A that exists that node A sends exists in network, and, obtain the described node network topology relation of topological neighbor discovery process first according to the described annexation that exists information to determine other nodes in this node and the described network;
Wherein this node is receiving the information that exists of a certain node, illustrate that this node and this node have annexation, and then, determine that there are annexation in this node and which node, obtain the topological relation of current network according to the information that exists that has received which node.
Need to prove that wherein this base line topology neighbor information also can be by network manager's manual configuration.
Step 102, obtain current topological neighbor information by new topological neighbor discovery process;
Step 103, relatively with current topological neighbor information and base line topology neighbor information, inconsistent as both, carry out the wrong alarm prompt of topology.
If both are inconsistent, represent that variation has taken place the network topology of this this node, then need to carry out the wrong alarm prompt of topology.
Wherein said with current topological neighbor information and the comparison of base line topology neighbor information, regularly carry out.
Optionally, after step 103, described method embodiment also comprises:
Step 104, report current topological neighbor information, perhaps report in the current topological neighbor information and the inconsistent topological relation information of base line topology neighbor information to network management system.
Step 105, the indication information that the base line topology neighbor information is updated to current topological neighbor information as receiving that network management system issues then are updated to the base line topology neighbor information current topological neighbor information.
Should be with in the example, adopt the content of LLDP agreement, need not additional protocol realizes, by comparing with the static network topological relation that sets in advance, help quicklook ground sensing network topology to connect fault, comprise problems such as connection error, redundancy and disconnection, connect so that accurately and timely recover network topology.And owing to adopted and realized the LLDP agreement at most of network equipments, so easily compatibility realizes skill scheme of the present invention with expansion, so realize simply.
Fig. 2 is the structural representation that node is realized the system embodiment of network topology fault detect in the network provided by the invention.In conjunction with method embodiment shown in Figure 1, device embodiment shown in Figure 2 comprises:
Wherein, described first device also is used for obtaining current topological neighbor information by topological neighbor discovery process first, and the report network management system after network management system is confirmed, is preserved described current topological neighbor information as the base line topology neighbor information.
Wherein, described second device compares current topological neighbor information and base line topology neighbor information, regularly carries out.
Fig. 3 is another structural representation of middle system embodiment illustrated in fig. 2.System shown in Figure 3 also comprises:
The 3rd device 301 is used for pointing out to the network management system report and alarm when described current topological neighbor information and described base line topology neighbor information are inconsistent; And, report current topological neighbor information to described network management system, perhaps report in the current topological neighbor information and the inconsistent topological relation information of base line topology neighbor information.
Fig. 4 is another structural representation of middle system embodiment illustrated in fig. 2.System shown in Figure 4 also comprises:
The 4th device 401, be used for receive that network management system issues the base line topology neighbor information is updated to the indication information of current topological neighbor information the time, then the base line topology neighbor information is updated to current topological neighbor information.
System embodiment provided by the invention, adopt the content of LLDP agreement, need not additional protocol realizes, by comparing with the static network topological relation that sets in advance, help quicklook ground sensing network topology to connect fault, comprise problems such as connection error, redundancy and disconnection, connect so that accurately and timely recover network topology.And owing to adopted and realized the LLDP agreement at most of network equipments, so easily compatibility realizes skill scheme of the present invention with expansion, so realize simply.
The all or part of step that the one of ordinary skill in the art will appreciate that the foregoing description program circuit that can use a computer is realized, described computer program can be stored in the computer-readable recording medium, described computer program (as system, unit, device etc.) on the relevant hardware platform is carried out, when carrying out, comprise one of step or its combination of method embodiment.
Alternatively, all or part of step of the foregoing description also can use integrated circuit to realize, these steps can be made into integrated circuit modules one by one respectively, perhaps a plurality of modules in them or step is made into the single integrated circuit module and realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in the foregoing description can adopt the general calculation device to realize, they can concentrate on the single calculation element, also can be distributed on the network that a plurality of calculation element forms.
Each device/functional module/functional unit in the foregoing description is realized with the form of software function module and during as independently production marketing or use, can be stored in the computer read/write memory medium.The above-mentioned computer read/write memory medium of mentioning can be a read-only memory, disk or CD etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection range of claim.
Claims (10)
1. node is realized it is characterized in that the method for network topology fault detect in the network, comprising:
Open Link Layer Discovery Protocol, obtain current topological neighbor information by topological neighbor discovery process;
The base line topology neighbor information of current topological neighbor information and preservation is in advance compared, and current as described topological neighbor information and described base line topology neighbor information are inconsistent, carry out the wrong alarm prompt of topology.
2. method according to claim 1 is characterized in that, opens Link Layer Discovery Protocol and also comprises afterwards:
Obtain current topological neighbor information by topological neighbor discovery process first, current topological neighbor information is reported network management system, after network management system is confirmed, described current topological neighbor information is preserved as the base line topology neighbor information.
3. method according to claim 1 is characterized in that,
Described with current topological neighbor information and the comparison of base line topology neighbor information, regularly carry out.
4. method according to claim 2 is characterized in that, with the base line topology neighbor information comparison of current topological neighbor information and preservation in advance, current as described topological neighbor information and described base line topology neighbor information are inconsistent, also comprise:
Point out to the network management system report and alarm; And,
Report current topological neighbor information to described network management system, perhaps report in the current topological neighbor information and the inconsistent topological relation information of base line topology neighbor information.
5. according to the arbitrary described method of claim 1 to 4, it is characterized in that, carry out also comprising after the wrong alarm prompt of topology:
As receive and then the base line topology neighbor information is updated to current topological neighbor information by the indication information that the base line topology neighbor information is updated to current topological neighbor information that network management system issues.
6. node is realized it is characterized in that the system of network topology fault detect in the network, comprising:
First device is used to open Link Layer Discovery Protocol, obtains current topological neighbor information by topological neighbor discovery process;
Second device is used for the base line topology neighbor information of current topological neighbor information and preservation is in advance compared, and current as described topological neighbor information and described base line topology neighbor information are inconsistent, carry out the wrong alarm prompt of topology.
7. system according to claim 6 is characterized in that:
First device also is used for obtaining current topological neighbor information by topological neighbor discovery process first, and the report network management system after network management system is confirmed, is preserved described current topological neighbor information as the base line topology neighbor information.
8. system according to claim 6 is characterized in that, described second device compares current topological neighbor information and base line topology neighbor information, regularly carries out.
9. system according to claim 7 is characterized in that, described system also comprises:
The 3rd device is used for pointing out to the network management system report and alarm when described current topological neighbor information and described base line topology neighbor information are inconsistent; And, report current topological neighbor information to described network management system, perhaps report in the current topological neighbor information and the inconsistent topological relation information of base line topology neighbor information.
10. according to the arbitrary described system of claim 6 to 9, it is characterized in that described system also comprises:
The 4th device, be used for receive that network management system issues the base line topology neighbor information is updated to the indication information of current topological neighbor information the time, then the base line topology neighbor information is updated to current topological neighbor information.
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| CN104518927A (en) * | 2014-12-15 | 2015-04-15 | 清华大学 | Detecting method and device of error connection in data center network |
| CN104935458A (en) * | 2015-04-29 | 2015-09-23 | 中国人民解放军国防科学技术大学 | Performance bottleneck analyzing method and device based on distributed automatic measurement |
| US9743367B2 (en) | 2014-09-18 | 2017-08-22 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Link layer discovery protocol (LLDP) on multiple nodes of a distributed fabric |
| CN107171866A (en) * | 2017-06-30 | 2017-09-15 | 联想(北京)有限公司 | A kind of topological processing method and system |
| CN109165141A (en) * | 2018-08-10 | 2019-01-08 | 武汉优品楚鼎科技有限公司 | A kind of computer system O&M method for visually monitoring, system and device |
| CN109428744A (en) * | 2017-08-23 | 2019-03-05 | 华为技术有限公司 | Web inspection method and device, storage medium |
| CN110401568A (en) * | 2019-07-31 | 2019-11-01 | 普联技术有限公司 | A kind of method for discovering network topology and equipment |
| CN111989899A (en) * | 2018-04-27 | 2020-11-24 | 三菱电机株式会社 | Monitoring device, network system, topology management method, and monitoring program |
| CN112311574A (en) * | 2019-07-30 | 2021-02-02 | 中国移动通信有限公司研究院 | Method, device and equipment for checking network topology connection |
| CN113098725A (en) * | 2021-06-10 | 2021-07-09 | 北京全路通信信号研究设计院集团有限公司 | Dual-network interweaving abnormity detection method and system |
| CN114641020A (en) * | 2020-12-15 | 2022-06-17 | 中国联合网络通信集团有限公司 | Early warning method, device and equipment applied to IP network of wireless access network |
| CN115550215A (en) * | 2022-09-19 | 2022-12-30 | 中国工商银行股份有限公司 | Network detection method, detection terminal, embedded point server and system |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9743367B2 (en) | 2014-09-18 | 2017-08-22 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Link layer discovery protocol (LLDP) on multiple nodes of a distributed fabric |
| CN104518927A (en) * | 2014-12-15 | 2015-04-15 | 清华大学 | Detecting method and device of error connection in data center network |
| CN104935458A (en) * | 2015-04-29 | 2015-09-23 | 中国人民解放军国防科学技术大学 | Performance bottleneck analyzing method and device based on distributed automatic measurement |
| CN107171866A (en) * | 2017-06-30 | 2017-09-15 | 联想(北京)有限公司 | A kind of topological processing method and system |
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| CN109428744A (en) * | 2017-08-23 | 2019-03-05 | 华为技术有限公司 | Web inspection method and device, storage medium |
| CN111989899A (en) * | 2018-04-27 | 2020-11-24 | 三菱电机株式会社 | Monitoring device, network system, topology management method, and monitoring program |
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| CN112311574A (en) * | 2019-07-30 | 2021-02-02 | 中国移动通信有限公司研究院 | Method, device and equipment for checking network topology connection |
| CN110401568A (en) * | 2019-07-31 | 2019-11-01 | 普联技术有限公司 | A kind of method for discovering network topology and equipment |
| CN110401568B (en) * | 2019-07-31 | 2022-05-24 | 普联技术有限公司 | Network topology discovery method and equipment |
| CN114641020A (en) * | 2020-12-15 | 2022-06-17 | 中国联合网络通信集团有限公司 | Early warning method, device and equipment applied to IP network of wireless access network |
| CN114641020B (en) * | 2020-12-15 | 2023-08-01 | 中国联合网络通信集团有限公司 | Early warning method, device and equipment applied to wireless access network IP network |
| CN113098725A (en) * | 2021-06-10 | 2021-07-09 | 北京全路通信信号研究设计院集团有限公司 | Dual-network interweaving abnormity detection method and system |
| CN115550215A (en) * | 2022-09-19 | 2022-12-30 | 中国工商银行股份有限公司 | Network detection method, detection terminal, embedded point server and system |
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Application publication date: 20110601 |