CN102316488A - Integrated access point topology management method - Google Patents
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Abstract
The invention provides an integrated access point topology management method, which comprises the following steps that: access controllers are arranged on access points in a plurality of wireless local area networks; a network management server obtains the physical address of each access controller through a simple network management protocol; the network management server obtains the list of the access points managed by each access controller according to the physical address of each access controller; and the network management server obtains the information of each access point through the simple network management protocol according to the list of the access points managed by each access controller. The network topology management method perfectly conforms to the requirement of the wireless network topology management, the topology management efficiency is improved, the geographical position of the access points can be more intuitively and effectively displayed, users can realize fast positioning on the access points with the fault, and the usability of the topology management is improved.
Description
Technical field
The present invention relates to network topology management, more particularly, relate to a kind of centralized access point (Access Point, AP) topological management method.
Background technology
Network topology management is a requisite critical function of network apparatus management system; It provides device discovery, the operation information of watch-dog and the link information between the equipment, and the connection status of integrating whole network shows with diagram intuitively.
Along with the development of wireless network, operator begins to develop the wireless network of provincial, and municipal level.What adopt in the existing network topology management technology is the exhibition method of cyberrelationship of Topology Discovery mode and the equipment room of the whole network traversal; But the One's name is legion of AP in the wireless network; And be distributed in different areas dispersedly; If adopt existing Topology Management scheme following problems can occur: 1, (Network Management Server NMS) because find that the AP quantity that the poor efficiency of the process of AP causes every NM server to manage is not too large, thereby need increase the quantity of NM server when increasing AP quantity to NM server; This will inevitably cause the rising of operation cost, and brings managerial inconvenience; 2, simple display network physical connection relation can not satisfy the needs that wireless network topology is managed.
Below concise and to the point existing network topology management scheme described.Fig. 1 is the sketch map that illustrates according to the network topology management method of prior art.
With reference to Fig. 1; NM server at first obtains the subnet tabulation of existence through the default gateway router; Specify all vehicular equipments in the subnet through the Ping order of internet control message protocol (ICMP) or the ARP(Address Resolution Protocol) information traversal in the router then; Use Simple Network Management Protocol (SNMP) to obtain the essential information of each equipment to each equipment; And judge the type (router/switch/fire compartment wall/uninterrupted power supply (ups) Unity/main frame etc.) of each equipment, obtain the details of relevant device on this basis, and deposit the information of obtaining in database.At last, NM server shows the user according to the device node information and the annexation that obtain through illustrated mode.Therefore, NM server need be communicated by letter with every vehicular equipment in the network.
The shortcoming of existing network topology management scheme is:
1, time, Internet resources expense are big.This scheme takes the mode of vehicular equipments all in the traverses network to come collecting device information; And except AP, also have a lot of miscellaneous equipments in the network; These equipment are not in the scope of network topology management; Therefore this scheme will be used in the interactive communication of nothing to do with equipment the plenty of time, and this has wasted great amount of time and Internet resources.The reason that this situation occurs is, is the relation of one-to-many between NM server and the AP, and AP quantity is big and be dispersed in each local area network (LAN), and NM server wants to find each AP, just can only adopt the mode of this full traversal.
2, topological diagram visuality in the very large network of capacity of overall importance is not strong.For the user, up to a hundred even thousands of equipment are presented in the screen, on efficient, still visually all be difficult to accept.
3, the form of expression is dull, can only show the cyberrelationship between each equipment merely.One of major function of network topology management is that fault is provided support; Though this scheme can help to find the network site of fault point; But the user needs the own geographical address that comes fault location point according to the network site; In operator's level wireless network, the mode of this poor efficiency needs the human resources of labor widely for, geographic range huge at the node capacity.
Summary of the invention
According to an aspect of the present invention, a kind of centralized access point topological management method is provided, said method comprises: for the access point in a plurality of WLANs is provided with access controller; NM server obtains the physical address of each access controller through Simple Network Management Protocol; NM server is according to the physical address of each access controller of obtaining, obtains the tabulation of the access point that each access controller manages; The information of each access point is obtained in the tabulation of the access point that NM server is managed according to each access controller of obtaining through Simple Network Management Protocol.
The access point that can be in each WLAN is provided with an access controller, perhaps for a plurality of access points in a plurality of WLANs an access controller is set jointly.
Said method also can comprise: geographic range or administrative region according to the NM server management are divided into a plurality of regions rank with geographical area, and show topological diagram according to the level grading ground of dividing, region.
Said division a plurality of regions rank also is classified to show that the step of topological diagram can comprise: geographic range or administrative region according to the NM server management are divided into first order zone, zone, the second level and third level zone with geographical area; With each access point and third level zone association, make the affiliated ground Domain Properties of access point be set to the third level zone of being distributed, the information of all access points in this third level zone is also write down in this third level zone simultaneously; Show topological diagram according to region level grading ground; First order topological diagram shows the statistical information and the summary info in first order zone; Second level topological diagram shows the statistical information and the summary info in zone, the second level, and third level topological diagram shows the accurate geographic position and the details of all access points in the third level zone.
First order zone, the second level are regional, the third level is regional is followed successively by affiliated relation, and zone, the second level belongs to first order zone, and third level zone belongs to zone, the second level.
In association process, NM server according to the physical location of access point with access point and corresponding third level zone association, and with the location positioning of access point on corresponding third level topological diagram.
In first order topological diagram, can indicate in the first order zone whether the access point that breaks down is arranged by special sign; In the topological diagram of the second level, can indicate in the zone, the second level whether the access point that breaks down is arranged by special sign, the access point that in third level topological diagram, breaks down with the special sign sign is at the particular location in third level zone.
Description of drawings
Through the detailed description of carrying out below in conjunction with accompanying drawing, above and other objects of the present invention, characteristics and advantage will become apparent, wherein:
Fig. 1 is the sketch map that illustrates according to the network topology management method of prior art;
Fig. 2 is the sketch map that illustrates according to network topology management method of the present invention;
Fig. 3 is the flow chart that illustrates according to network topology management method of the present invention.
Embodiment
The present invention is directed to the problem that exists in the prior art and proposed a kind of centralized AP topological management method.In the method, can be divided into AP finds and classification display two parts.In the present invention, (Access Controller AC) manages AP to have introduced access controller; The AP that each AC can manage One's name is legion (for example; 500 to 1000 AP), like this can the AP that disperse is unified by several AC management, and NM server only need just can obtain the information of all AP alternately with a spot of AC; Thereby make traversal can cover whole wireless network and do not omit, can effectively reduce the uncorrelated equipment time overhead of visit again.
In addition, the present invention also introduces the geographic area during topology shows, and according to the relation of territorial scope with its classification, carry out AP and region related, classification display network topological information in topological diagram, the visuality of enhancing topological diagram.Simultaneously, can find the geographical position of fault point fast through topological diagram.
Now, will embodiments of the invention be described more fully with reference to accompanying drawing.Fig. 2 is the sketch map that illustrates according to network topology management method of the present invention, and Fig. 3 is the flow chart that illustrates according to network topology management method of the present invention.
With reference to Fig. 2, comprise a plurality of WLAN 1,2,3...... in the wireless network, the WIFI equipment in each WLAN (having the computer, smart mobile phone of wireless networking capabilities etc.) is through the AP access internet in this WLAN.In the present invention, for the AP in a plurality of WLANs is provided with AC, that is, AP is transferred to the AC management of setting.Preferably, the AP that can be in each WLAN is provided with an AC, and a plurality of AP that perhaps can be in a plurality of WLANs are provided with an AC jointly.For example, in Fig. 2,, and be that AP4-AP6 in the WLAN 3 is provided with an AC2 separately for the AP3 in the AP1 in the WLAN 1, AP2 and the WLAN 2 is provided with an AC1 jointly.NM server can write down the physical address of these AC.In addition, NM server also can write down the relevant information (for example, the manufacturer of AC, model etc.) of these AC.
The Topology Discovery process is following: NM server obtains physical address and the relevant information of each AC through SNMP, and can deposit physical address that obtains and relevant information in database; NM server obtains the AP tabulation that each AC manages according to physical address and the relevant information of each AC that obtains; NM server is according to the AP that each AC managed that obtains tabulation, and (information of AP can comprise at least a in following: the software and hardware version information of AP to obtain the information of each AP through SNMP; Back ground Informations such as AP running status; Runnability such as flow, online user number information).Can deposit the information of the AP that obtains in database.
Combine Fig. 3 to describe now according to network topology management method of the present invention.
With reference to Fig. 3, in step 301, for the AP in a plurality of WLANs is provided with AC.
In step 302, NM server obtains the physical address of each AC through SNMP, for example, can be MAC (media interviews control) address of AC.
In step 303, NM server is according to the physical address of each AC of obtaining, obtains the tabulation of the AP that each AC manages.
In step 304, NM server obtains the information of each AP according to the tabulation of the AP that each AC managed that obtains through SNMP.
Pass through said method; Can the AP that disperse is unified by several AC management; And NM server only need just can obtain the information of all AP alternately with a spot of AC; Thereby make traversal can cover whole wireless network and do not omit, can effectively reduce the time overhead of the uncorrelated equipment of visit again.
Above-mentioned steps 301-304 belongs to AP and finds part, and network topology management method according to the present invention also can comprise the classification display part.Can geographical area be divided into a plurality of regions rank according to the geographic range or the administrative region of NM server management, and show topological diagram according to the level grading ground of dividing, region.
Particularly, can geographical area be divided into a plurality of regions rank according to the geographic range or the administrative region of NM server management, for example three region ranks.For example; With prefecture-level is first order zone; Counties and districts are second level zone, and the school in the counties and districts, hospital or industrial area etc. be third level zone, and the first order is regional, the second level is regional, the third level is regional is followed successively by affiliated relation; Zone, the second level belongs to first order zone, and third level zone belongs to zone, the second level.That is to say that zone, the second level is the subregion in first order zone, third level zone is the subregion in zone, the second level.Third level zone can be each WLAN, for example school's local area network (LAN), hospital lan, industrial area local area network (LAN) etc.
With each AP and third level zone association, make " affiliated region " attribute of AP be set to the third level zone of being distributed, the information of all AP in this third level zone is also write down in this third level zone simultaneously.For example, if AP is positioned at school, then " affiliated region " attribute of AP is a school, and school has also write down the information of all AP in this school.
In association process, NM server with AP and corresponding third level zone association, and is provided with correct value for " particular location " attribute of this AP according to the physical location of AP.Simultaneously, NM server is chosen corresponding map (third level topological diagram) for this third level zone, and manually or automatically with the location positioning of AP to corresponding third level topological diagram.
Then; Can show topological diagram according to region level grading ground; The summary info that first order region topology figure shows single first order zone and subregion thereof (for example; At least aly in zone name, the regional coverage etc.) and statistical information (for example; AP is online/at least a in the quantity that rolls off the production line, alarm quantity, online user number etc.); Second level topological diagram shows the summary info and the statistical information (with one-level region topology figure) of zone, the single second level and subregion thereof, and third level topological diagram shows accurate geographic position and the details (for example, in the IP address of the MAC Address of the IP address of AP, AP, the affiliated AC of AP, the online user number etc. at least a) of all AP in the third level zone.Each other topological diagram of level can switch each other.
In third level topological diagram, can said AP be arranged on the third level topological diagram according to the geographical coordinate (physical location) of AP, the user can change the position of AP in this third level zone with the mode that drags simultaneously.
Also can show the AP equipment that breaks down according to network topology management method of the present invention.Particularly; In first order topological diagram and second level topological diagram, indicate in first order zone and the zone, the second level with special sign whether the AP that breaks down is arranged respectively, the AP that in third level topological diagram, breaks down with the special sign sign is at the particular location in third level zone.Therefore, can show the geographical position of AP more intuitively, effectively, make things convenient for the user that the AP that breaks down is located fast.
According to network topology management method of the present invention, Topology Discovery no longer removes to travel through all AP in the wireless network through ARP information, but is inlet with AC, obtains AP information through AC; Not only show topological diagram, also introduced the notion of region classification according to cyberrelationship.Therefore, network topology management method of the present invention more meets the demand of wireless network topology management, has improved the efficient of Topology Management; Can show the geographical position of AP more intuitively, effectively, make things convenient for the user that the AP that breaks down is located fast, improve the ease for use of Topology Management.
Although specifically shown and described the present invention with reference to its exemplary embodiment; But it should be appreciated by those skilled in the art; Under the situation of the spirit and scope of the present invention that do not break away from claim and limited, can carry out the various changes on form and the details to it.
Claims (7)
1. centralized access point topological management method, said method comprises:
For the access point in a plurality of WLANs is provided with access controller;
NM server obtains the physical address of each access controller through Simple Network Management Protocol;
NM server is according to the physical address of each access controller of obtaining, obtains the tabulation of the access point that each access controller manages;
The information of each access point is obtained in the tabulation of the access point that NM server is managed according to each access controller of obtaining through Simple Network Management Protocol.
2. method according to claim 1 wherein, for the access point in each WLAN is provided with an access controller, perhaps is provided with an access controller for a plurality of access points in a plurality of WLANs jointly.
3. method according to claim 1 also comprises:
Geographic range or administrative region according to the NM server management are divided into a plurality of regions rank with geographical area, and show topological diagram according to the level grading ground of dividing, region.
4. method according to claim 3, wherein, said division a plurality of regions rank also is classified to show that the step of topological diagram comprises:
Geographic range or administrative region according to the NM server management are divided into first order zone, zone, the second level and third level zone with geographical area;
With each access point and third level zone association, make the affiliated ground Domain Properties of access point be set to the third level zone of being distributed, the information of all access points in this third level zone is also write down in this third level zone simultaneously;
Show topological diagram according to region level grading ground; First order topological diagram shows the statistical information and the summary info in first order zone; Second level topological diagram shows the statistical information and the summary info in zone, the second level, and third level topological diagram shows the accurate geographic position and the details of all access points in the third level zone.
5. method according to claim 4, wherein, first order zone, the second level are regional, the third level is regional is followed successively by affiliated relation, and zone, the second level belongs to first order zone, and third level zone belongs to zone, the second level.
6. method according to claim 5, wherein, in association process, NM server according to the physical location of access point with access point and corresponding third level zone association, and with the location positioning of access point on corresponding third level topological diagram.
7. method according to claim 6; Wherein, In first order topological diagram, indicate in the first order zone with special sign whether the access point that breaks down is arranged; In the topological diagram of the second level, indicate in the zone, the second level with special sign whether the access point that breaks down is arranged, the access point that in third level topological diagram, breaks down with the special sign sign is at the particular location in third level zone.
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| CN103475513A (en) * | 2013-09-02 | 2013-12-25 | 华为技术有限公司 | Topological information processing method, device and system based on location information |
| CN104038361A (en) * | 2013-03-07 | 2014-09-10 | 深圳国人通信有限公司 | SNMP-based wireless access equipment life cycle monitoring method |
| WO2015027456A1 (en) * | 2013-08-30 | 2015-03-05 | 华为技术有限公司 | Wtp access method, management method, apparatus and system |
| CN104469329A (en) * | 2015-01-07 | 2015-03-25 | 山东鲁能智能技术有限公司 | Method and system for intelligent image displaying for transformer substation video monitoring |
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| CN106686102A (en) * | 2017-01-03 | 2017-05-17 | 北京奇虎科技有限公司 | Switching method and device of service node |
| CN107566190A (en) * | 2017-09-30 | 2018-01-09 | 深圳市九洲电器有限公司 | WAP management method and system |
| CN107612761A (en) * | 2017-11-06 | 2018-01-19 | 成都西加云杉科技有限公司 | Network equipment alarm method and alarm management device |
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