CN100352210C - Method for managing network device - Google Patents
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- CN100352210C CN100352210C CNB2005100984340A CN200510098434A CN100352210C CN 100352210 C CN100352210 C CN 100352210C CN B2005100984340 A CNB2005100984340 A CN B2005100984340A CN 200510098434 A CN200510098434 A CN 200510098434A CN 100352210 C CN100352210 C CN 100352210C
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Abstract
The present invention relates to a method for managing a network device. The network device comprises a core device and member devices. The present invention is characterized in that the present invention comprises the steps: a standard topology structure of a plurality of the member devices is built, and the positions of the member devices are recorded in the standard topology structure; B the core device is used for collecting information of a member device newly added to a network, an actual topology structure is built, and the position information of the new member device in the actual topology is obtained; C the present invention is used for judging whether the new member device has the corresponding position in the standard topology structure or not; if the position exists in the standard topology structure, resource information preset in the position is obtained, and the corresponding management of the new member device is carried out according to the resource information. The present invention solves the problems that the management according to devices is indirect, the manageability is poor, and the automatic configuration can not be restored in the prior art.
Description
Technical field
The present invention relates to the network device management technical field, particularly relate to a kind of method of managing network device.
Background technology
Increasingly extensive along with the continuous development of network size and range of application, very big variation has taken place in the application model of information technology, The application of new technique has been brought multiple internetwork connection mode, the scale of network is also increasing, the user is also more and more higher to the requirement of network reliability, therefore how to make the network equipment satisfy user's high reliability, the difficult point that high-performance forwarding demand becomes industry.
At present, the method to managing network device mainly manages by equipment.So-called manage by equipment, be meant member device have can unique identification self sign (as the Mac address), nucleus equipment indicates by this to be distinguished different member devices and it is managed.See Fig. 2 for details, its main performing step is:
Step H10: the manager adds device identification to be added (as the Mac address) on nucleus equipment, specifies relevant resource (as: IP address, member id etc.) for this equipment simultaneously;
Step H11: equipment to be added is connected to nucleus equipment, the sign of notice nucleus equipment self;
Step H12: nucleus equipment authenticates equipment mark to be added, if authentication is passed through, then this equipment is added member device and granted rights, and with relevant resource (as: IP address, member id etc.) notice member device;
Step H13: member device obtains related resource, carries out corresponding bookkeeping.
The main core of described method is that many network equipments are managed by a nucleus equipment.In the method for present managing network device, adopt the sign of passing through member device self (such as MAC Address) of nucleus equipment to distinguish different member devices usually, and member device is managed accordingly.
This shows that the shortcoming of this method is: 1) management is not directly perceived, manageability is poor.Because the network equipment is dispersed in the wider region, its configuration of the equipment of diverse location is also different with function.Present described managing network device method mainly is that the manager manages and configuration device according to the sign of the network equipment, and for the heterogeneous networks equipment of same node and need identify according to the network equipment and distinguish the network equipment, can not be directly the network equipment of this position be managed.Therefore, manage not directly, promptly can not be intuitively the heterogeneous networks equipment of same node be managed.2) can't satisfy the user and carry out the demand that automatic configuration file recovers according to the position.Damage such as, the network equipment of a certain position in the network (being member's equipment), change in situ need behind newcomer's equipment to recover original be configured to guarantee professional stable.And the described method that manages by equipment can't satisfy this demand.
Summary of the invention
The technical problem that the present invention solves provides a kind of method of managing network device, this method with solve the management that manages by equipment in the prior art not directly, manageability difference and the problem of configuration restore automatically.
For addressing the above problem, the invention provides a kind of method of managing network device, the described network equipment comprises nucleus equipment and member device, described method comprises step:
A, set up the standard topology structure of a plurality of member devices, and write down the position of described member device in the standard topology structure;
B, nucleus equipment are collected the new information that adds the member device of network, set up real topology, obtain the positional information of newcomer's equipment in practical topology;
C, judge whether described newcomer's equipment exists corresponding position in the standard topology structure, if exist, then obtain reserved resource information in this position, according to this resource information newcomer's equipment is managed accordingly.
Nucleus equipment is picked out legal member device based on neighbours' topology diagram, sets up the standard topology structure.
Nucleus equipment is set up neighbours' topology diagram according to following step:
31) nucleus equipment is collected neighbor information, with from as root node, sets up topological relation with neighbours according to described neighbor information;
32) node of the described neighbor information correspondence of traversal is set up the neighborhood topology step by step, forms neighbours' topology diagram.
Described standard topology structure adopts incremental princilpes to set up.
Write down the position of this member device in the standard topology structure according to nucleus equipment to the port annexation of member device.
When the network of newcomer's equipment is connection network topology connected in series or tree-like, utilize the port priority principle to obtain the positional information of newcomer's equipment in practical topology, wherein, described port priority principle is specially: begin traversal from numbering minimum port on same the equipment, from small to large, guarantee sequence consensus.
When the network of newcomer's equipment is that annular connects or tree-like during with network topology that annular is connected jointly, utilize breadth First and port priority principle common next definite or adopt node path not repeat principle separately and obtain the positional information of newcomer's equipment in practical topology.
Described breadth First principle is specially: the traversal that can carry out next stage equipment after having only upper level equipment all traversal being finished is calculated, and with the decision that puts in order by upper level equipment of the traversal order of one-level equipment; And
Described port priority principle is specially: begin traversal from numbering minimum port on same the equipment, from small to large, guarantee sequence consensus;
Node path does not repeat principle and is specially: with in ergodic process only visit once, repeated accesses not, and begin traversal from numbering minimum port.
Described resource information comprises: member id, IP address and Profile Path information, according to described member id, IP address newcomer's equipment is added in this network management, and the configuration that recovers newcomer's equipment automatically according to described Profile Path information;
Described method also comprises:
D, if described newcomer's equipment does not have corresponding position in the standard topology structure, then be the new member id of newcomer's devices allocation, IP address information, and it is set to constrained devices.
In addition, the present invention also provides a kind of method of managing network device, comprises step:
A. collecting device information is set up the topological structure of standard, and gives each equipment disposition positional information;
B. obtain the information of the member device of new adding network;
C. judge whether described newcomer's equipment exists corresponding position in the standard topology structure;
D. if there is corresponding position in described newcomer's equipment in the standard topology structure, then add newcomer's equipment, add described newcomer's equipment for it distributes reserved resource information; If not, then be the new member id of newcomer's devices allocation, IP address information, and it is set to constrained devices, add described newcomer's equipment.
Described reserved resource information comprises: member id, IP address and Profile Path information, according to described member id, IP address newcomer's equipment is added in this network management, and the configuration that recovers newcomer's equipment automatically according to described Profile Path information.
Compared with prior art, the present invention has following beneficial effect: the present invention is by setting up the topological structure of standard at nucleus equipment, and the position of writing down member device in this topological structure, when finding newcomer's equipment is arranged, judge whether described newcomer's equipment has corresponding position in the standard topology structure, if have, then from the position of correspondence, obtain the member id of reservation, the IP address, information such as Profile Path, and according to member id, the IP address adds newcomer's equipment in the range of management, and according to the automatic recovery configuring of Profile Path information mandatory member equipment of member device; If do not have corresponding position, then be the new member id of newcomer's devices allocation, IP address, and equipment is added range of management that the authority to equipment limits simultaneously.In addition, the present invention not only is applicable to the on-line file equipment control, still is used for the distributed network equipment.Therefore, advantage of the present invention is: 1) safety loading coefficient improves.When equipment added supervising the network automatically, the manager can see whether being the equipment of oneself expecting, the equipment if not expection then can limit its authority automatically, not permission equipment is configured senior functions such as download, prevents to divulge a secret intuitively.2) can carry out the recovery of automatic configuration file according to the position.If nucleus equipment is the equipment of expection when adding, nucleus equipment is specified the automatic recovery configuring of this equipment according to the Profile Path information of this equipment.3) manageability improves.Because the region that networking equipment disperses is wider, the method for the invention is the marking equipment that the manager can be unique according to the position, and equipment is managed operation.The position of described equipment is relatively-stationary, and equipment can constantly be changed.The manager just can manage equipment accordingly with a metastable sign like this.
Description of drawings
Fig. 1 is the flow chart of the method for managing network device in the prior art;
Fig. 2 is the flow chart of the method for managing network device of the present invention;
Fig. 3 is the path description schematic diagram of simple topological syndeton of the present invention;
Fig. 4 is the path description schematic diagram that has the topological syndeton of loop of the present invention;
Fig. 5 is another flow chart of the method for managing network device of the present invention.
Embodiment
Core of the present invention is to set up the topological structure of standard, the positional information of record member device by manager or webmaster at nucleus equipment.Add as new member device fashionable, need be to the information of nucleus equipment announcement oneself, nucleus equipment is collected the information of this member device, sets up practical topology.Nucleus equipment contrast standard topological sum real topology, if member device does not have corresponding position in standard topology, authentification failure then, nucleus equipment will this member device of mark be limited member; If member device has corresponding position in standard topology, then can from the correspondence position of standard topology, obtain reserved resource information, as: member id, address information, profile information etc.Restart or more behind the exchange device, as long as the position does not change, just can obtain information such as identical member id, address when member's equipment, the equipment after making things convenient for the manager to member device or replacing simultaneously manages.In addition, member device can be uploaded to nucleus equipment with the configuration file of oneself when operate as normal.Leave in the standard topology by the position of member's equipment by nucleus equipment.Like this, member device damages the back and changes the configuration file that newcomer's equipment can obtain original equipment automatically at same position.Thereby make management simple more, accurate.
The present invention is described further below in conjunction with accompanying drawing.
Please refer to Fig. 2, be the flow chart of the method for managing network device of the present invention, the described network equipment comprises nucleus equipment and member device, and the manager manages member device accordingly by nucleus equipment, and described method comprises step:
Step S10: nucleus equipment is collected adjacent topological structure, sets up with oneself network management as root node;
Step S11: the topological structure that nucleus equipment is collected, set up the standard topology structure, and the position of record member device in the standard topology structure;
Step S12: to find to have newcomer's equipment to add fashionable when nucleus equipment, collects the self information of this member device, sets up real topology, and obtain the positional information of newcomer's equipment in practical topology;
Step S13: contrast real topology and standard topology structure, whether judge has this pairing position of newcomer's equipment in described standard topology structure;
Step S14: if exist, then nucleus equipment obtains reserved resource information (such as, information such as member id, IP address, Profile Path) from the position of standard topology correspondence, according to this resource information newcomer's equipment is managed accordingly.
Step S15: otherwise then nucleus equipment is the new member id of newcomer's devices allocation, IP address, and it is set to constrained devices.
Collect adjacent topological structure at nucleus equipment described in the step S10, set up the network equipment.All member devices are all supported the link Neighbor Discovery Protocol, find own adjacent facility information, and described facility information comprises information such as device id, port id, Management VLAN.Nucleus equipment is collected the neighbor information of all devices,, sets up and neighbours' topological relation according to own neighbor information as start node with self; And then travel through the node of these neighbor information correspondences, and set up the neighborhood topology step by step, finally form complete neighbours' topological diagram.Then the equipment of finding is all added self-administered network.
Manager's (perhaps webmaster transmitting order to lower levels, can certainly be that the user passes through the order line transmitting order to lower levels) neighbours' topological structure of setting up according to nucleus equipment is the basis, pick out oneself and assert legal node (equipment), rebulid an other Zhang Tuo according to these nodes and pounce on structure chart, be i.e. the standard topology structure.So-called standard topology refers to the topological structure that the manager approves exactly.In the topology each equipment all is the equipment that the manager approves, the port annexation between the equipment also meets manager's requirement simultaneously.Standard topology can with actual set up topological different of nucleus equipment, also can be identical.So in theory, in fact standard topology is exactly a mirror image of practical topology, and both differences are that the real connection state of practical topology reflection network is constantly to change; And standard topology reflection is the network connection state that the manager wishes, is stable comparatively speaking, unless the manager revises by hand, otherwise remains unchanged.But, need to prove that in order to guarantee the stability of standard topology, incremental princilpes is adopted in the renewal of standard topology.That is, unless the user deletes designated equipment by hand, otherwise the member device in the standard topology only increases and does not reduce.When the user when practical topology is mapped to standard topology, nucleus equipment only seeks that standard topology does not have and equipment that practical topology exists, and it is joined standard topology; And have and equipment that practical topology does not have is not deleted for standard topology.
Storage equipment member's relevant information in the described standard topology (as: member id, IP address and Profile Path information etc.).Need to prove: storage equipment member's relevant information is not what fix in standard topology, except that above-mentioned described information, can also can comprise out of Memory.These information can be that the manager disposes, and also can be that equipment vendors are self-defining.
Contrast real topology and standard topology structure, whether judge has this pairing position of newcomer's equipment in described standard topology structure; If have, then nucleus equipment from the position of standard topology correspondence, obtain reserved resource information (such as, information such as member id, IP address, Profile Path), and according to this resource information (such as, member id, IP address) newcomer's equipment is added in the network equipment, and according to the automatic recovery configuring of Profile Path information designated equipment member of member device; Otherwise, nucleus equipment be the new resource information of newcomer's devices allocation (such as, member id, IP address), it is added in network equipment, and the authority of this member device is limited.
No matter be practical topology or standard topology, the position of member device wherein all is to be determined to the port annexation of mandatory member's equipment by root node (nucleus equipment).As shown in Figure 3, be the path description schematic diagram of simple topological syndeton.Described in the figure device A is a nucleus equipment, is the root node in the topology, and the location paths of equipment D is exactly A 10-1-10-1.Wherein A is a root node, first 10 is port numbers that first order equipment connects next stage equipment, first 1 is the port numbers that second level equipment is connected with upper level equipment, second 10 is port numbers that second level equipment is connected with next stage equipment, and second 1 is the port numbers that third level equipment is connected with upper level equipment.As long as it is constant that port connects, nucleus equipment is energy one of unique identification " position " just, no matter how this locational equipment changes, the location paths of its this equipment is constant.Such as, if the equipment E among this figure damages, after newcomer's equipment is installed, under the situation of energising, nucleus equipment A can active detecting arrive newcomer's equipment, and according to station location marker described newcomer's equipment is disposed accordingly and manages, and newcomer's equipment is recovered original configuration information by the profile information of original equipment, professional stable to guarantee.
In addition, for the topological syndeton of complexity, particularly for the topological syndeton that has loop to exist, as shown in Figure 4.Have for same designated equipment under the situation of many location paths, need to determine a unique paths.It determines that the scheme of location paths has two kinds, and first kind is: adopt breadth First principle and port priority principle to come to determine the location paths of designated equipment jointly; Second kind is: principle is not repeated in the node device path.
Respectively the path of described two kinds of definite designated equipments is described below in conjunction with Fig. 4.As shown in Figure 5, device A is a nucleus equipment, is the root node in the topology, needs earlier to determine the location paths of the E of equipment, but slave unit A has more than two to the path of equipment E.
Adopting first kind of scheme earlier is the location paths that breadth First principle and port priority principle come to determine equipment E jointly.Wherein, described breadth First principle refers to the breadth First in the figure ergodic algorithm, and its traversal principle is: the traversal that just can carry out the next stage node after having only the whole traversals of even higher level of node to finish is calculated; With the traversal order of one-level node is the decision that puts in order by even higher level of node.It is to begin traversal from numbering minimum port that described port priority principle refers to same the traversal on the equipment, from small to large, guarantees sequence consensus.Therefore, in conjunction with above-mentioned two priority principles, slave unit A to the order of the traversal equipment of equipment E is: A-B-C-D-E.
Can also adopt second kind of scheme is that node path does not repeat the location paths that principle is determined equipment E.Wherein, described node path does not repeat principle and refers to for each node among the figure, only visits once in an ergodic process, not repeated accesses.The foundation of judging is an ergodic sequence number.System can be sequence number of ergodic process definition each time, and then described sequence number can not repeat.In ergodic process, node of every processing will add the sequence number mark for node.Like this, even if there is mulitpath in same node, the path of also having only visit for the first time to produce is effectively, and preventing the generation of mulitpath, thereby the position that has guaranteed each node is unique.As shown in Figure 4, there is mulitpath in its equipment E, but the final active path that produces has only an A 10-1-12-1.
Hence one can see that, and the location paths of member device is unique in the topology diagram of the present invention, and practical topology must be identical with nucleus equipment (root node) in the standard topology.As long as obtain the positional information (path chained list) of specifying member device in the practical topology like this, search corresponding position in the standard topology and whether have corresponding apparatus, if have, illustrate that then this member device is that the manager wishes the equipment that is equipped with, otherwise think that this member device is illegal equipment.
In addition, described standard topology structure can also be deposited more device-dependent information of this position except the positional information of reflection equipment, as: information such as member id, IP address and Profile Path.No matter so just can guarantee how the equipment of this position is changed, and the management information of the network equipment is relatively stable.If equipment is added in the standard topology, promptly described equipment is by authentication, and then described equipment just can obtain obligate information automatically, i.e. information such as member id, IP address and Profile Path.The structure that so not only can guarantee the network equipment is relatively stable, also is convenient to the manager all member devices are managed, and promptly bookkeeping is more simple.All may be different if member device adds member id that network obtains, IP address each time, like this concerning outside (as manager or webmaster), the structure of the network equipment is continuous change in oscillation, needs continuous refresh data, thereby is unfavorable for the stability and the convenience of managing.
If there is not the pairing position of described equipment in described standard topology structure, by authentication, then the equipment of access authentication can not add in the supervising the network of standard topology structure promptly described equipment yet, equally needs to distribute member id, IP address for it yet.But nucleus equipment distributes the principle of member id, IP address not use reserved resource exactly as far as possible.If resource is not enough, have no alternative but distribute reserved resource, need the notice standard topology to discharge relevant resource information.Allocation algorithm about resource has been a public technology for a person skilled in the art, here repeats no more.
When member device is changed,, the configuration file of original equipment need be returned on newcomer's equipment of original position in order to guarantee professional stability.If original equipment damages, just configuration information can't be derived and returned on newcomer's equipment.In addition, from the complicated operation degree, the manager also can not carry out backup with the configuration information of all member devices in time.Carry out the function of the automatic configuration restore of opsition dependent so just need the nucleus equipment management.
Member device is in the process of operation, and regularly or in real time configuration file is backuped under the path of nucleus equipment appointment and deposit, routing information is corresponding one by one with the position of member device.When newcomer's equipment added supervising the network on same position, nucleus equipment notice member device obtained configuration file and carries out configuration restore under the path of appointment.
In addition, the present invention also provides a kind of flow chart of method of managing network device, specifically sees Fig. 5 for details, and described method comprises step:
Step M10: collecting device information, set up the topological structure of standard, and give each equipment disposition positional information;
Step M11: the information of obtaining the member device of new adding network;
Step M12: judge whether described newcomer's equipment exists corresponding position in the standard topology structure;
Step M13: add newcomer's equipment.
In step M12, if there is corresponding position in described newcomer's equipment in the standard topology structure, then distribute reserved resource information for it, described reserved resource information comprises: member id, IP address and Profile Path information, according to described member id, IP address newcomer's equipment is added in this network management, and the configuration that recovers newcomer's equipment automatically according to described Profile Path information; If there is not corresponding position in described newcomer's equipment in the standard topology structure, then be the new member id of newcomer's devices allocation, IP address information, and it is set to constrained devices.
The specific implementation of above steps can not repeat them here with reference to the implementation procedure of method noted earlier.
This shows that the position according to member device of the present invention manages the network equipment, not only improved fail safe, the manageability of the network equipment, also can carry out automatic configuration file simultaneously and recover according to the position of member device.In addition, the present invention is applicable to not only that to the management of many interconnected on-line file equipment of the network equipment also be applicable to the management to the distributed network equipment, its implementation procedure sees for details aforementioned, repeats no more here.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1, a kind of method of managing network device, the described network equipment comprises nucleus equipment and member device, it is characterized in that, comprising:
A, set up the standard topology structure of a plurality of member devices, and write down the position of described member device in the standard topology structure;
B, nucleus equipment are collected the new information that adds the member device of network, set up real topology, obtain the positional information of newcomer's equipment in practical topology;
C, judge whether described newcomer's equipment exists corresponding position in the standard topology structure, if exist, then obtain reserved resource information in this position, according to this resource information newcomer's equipment is managed accordingly.
2, according to the method for the described managing network device of claim 1, it is characterized in that, comprising: nucleus equipment is picked out legal member device based on neighbours' topology diagram, sets up the standard topology structure.
According to the method for the described managing network device of claim 2, it is characterized in that 3, described nucleus equipment is set up neighbours' topology diagram according to following step:
31) nucleus equipment is collected neighbor information, with from as root node, sets up topological relation with neighbours according to described neighbor information;
32) node of the described neighbor information correspondence of traversal is set up the neighborhood topology step by step, forms neighbours' topology diagram.
According to the method for the described managing network device of claim 3, it is characterized in that 4, described standard topology structure adopts incremental princilpes to set up.
5, according to the method for the described managing network device of claim 1, it is characterized in that, write down the position of this member device in the standard topology structure to the port annexation of member device according to nucleus equipment.
6, according to the method for the described managing network device of claim 1, it is characterized in that, when the network of newcomer's equipment is the network topology of connected in series or tree-like connection, utilize the port priority principle to obtain the positional information of newcomer's equipment in practical topology, wherein, described port priority principle is specially: begin traversal from numbering minimum port on same the equipment, from small to large, guarantee sequence consensus.
7, according to the method for the described managing network device of claim 1, it is characterized in that, when the network of newcomer's equipment is that annular connects or tree-like during with network topology that annular is connected jointly, utilize breadth First and port priority principle common next definite or adopt node path not repeat principle separately and obtain the positional information of newcomer's equipment in practical topology;
Described breadth First principle is specially: the traversal that can carry out next stage equipment after having only upper level equipment all traversal being finished is calculated, and with the decision that puts in order by upper level equipment of the traversal order of one-level equipment; And
Described port priority principle is specially: begin traversal from numbering minimum port on same the equipment, from small to large, guarantee sequence consensus;
Node path does not repeat principle and is specially: with in ergodic process only visit once, repeated accesses not, and begin traversal from numbering minimum port.
8, according to the method for the described managing network device of claim 1, it is characterized in that, described resource information comprises: member id, IP address and Profile Path information, according to described member id, IP address newcomer's equipment is added in this network management, and the configuration that recovers newcomer's equipment automatically according to described Profile Path information.
According to the method for the described managing network device of claim 1, it is characterized in that 9, described method also comprises:
D, if described newcomer's equipment does not have corresponding position in the standard topology structure, then be the new member id of newcomer's devices allocation, IP address information, and it is set to constrained devices.
10, a kind of method of managing network device is characterized in that, comprising:
A, collecting device information are set up the topological structure of standard, and give each equipment disposition positional information;
B, obtain the information of the member device of new adding network;
C, judge whether described newcomer's equipment exists corresponding position in the standard topology structure;
D, if there is corresponding position in described newcomer's equipment in the standard topology structure, then, add described newcomer's equipment for its distribution reserved resource information interpolation newcomer equipment; If not, then be the new member id of newcomer's devices allocation, IP address information, and it is set to constrained devices, add described newcomer's equipment.
11, according to the method for the described managing network device of claim 10, it is characterized in that, described reserved resource information comprises: member id, IP address and Profile Path information, according to described member id, IP address newcomer's equipment is added in this network management, and the configuration that recovers newcomer's equipment automatically according to described Profile Path information.
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| CNB2005100984340A CN100352210C (en) | 2005-09-06 | 2005-09-06 | Method for managing network device |
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| CN104009857A (en) * | 2013-02-25 | 2014-08-27 | 四零四科技股份有限公司 | Network configuration configuring system based on device position and configuring method thereof |
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| CN102088370B (en) * | 2011-01-18 | 2014-03-19 | 杭州华三通信技术有限公司 | Method and device for realizing network topology for mobile terminals |
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| CN1731743A (en) | 2006-02-08 |
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