CN103516531A - Method for automatically discovering network element and corresponding network element and network management devices - Google Patents
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Abstract
The invention discloses a method for automatically discovering a network element and corresponding network element and network management devices, and is suitable for a three-layer forwarding MCN communication network based on TCP/IP frame. The network element is processed as follows: after each network element in MCN is powered up and started, basic information of the network element is sent to a neighbor network element of the network element; and if it is judged by each network element in the MCN according to the received basic information of the neighbor network element of the network element that the neighbor network element is a new access network element, the basic information of the neighbor network element is stored, and the basic information of the neighbor network element is reported to the network management system. The network management system performs the following processing: after the network management system receives the basic information of the neighbor network element reported by a first network element, if it is judged according to the basic information that the neighbor network element is a new access network element, the neighbor network element is created on a network management interface, and network management connection is initiated to the neighbor network element. The network element device comprises an information sending module and a reporting module. The network management device comprises a receiving module and a new network element processing module.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of method of automatic discovery network element and corresponding network element, network management device.
Background technology
The management channels MCC that network management system (referred to as webmaster) provides by network element (Management Communication Channel) manages and makes its normal operation to it.The MCC of various network element devices communicates by letter each other and forms a telecommunication management network, i.e. MCN (Management Communication Network).The standard that MCN follows is at present for G.7712.Its regulation MCN need to be used the communication of ISO or TCP/IP framework.
Because MCN network topology structure is unpredictable in advance, network configuration parameters need to arrive device context just can complete configuration, and the expectation that can be managed that causes powering on is not easy to be met.People have invented the whole bag of tricks to solve device power have been manageable technology for this reason.Some methods are to pour in advance unknown net element information into webmaster, and then webmaster pushes its configuration information by known network element to unknown network element again.Some methods are after network element access network, send the automatic discovery message that comprises the required customizing messages that creates NE to Gateway Network Element, and Gateway Network Element is preserved customizing messages, and is reported Element management system.Some methods are to adopt DHCP agreement distributing IP address.Some methods are the IP detection packet modes of being initiated by webmaster.Some methods are to use special IP multicast message to survey Gateway Network Element.
But said method is not suitable for three layers of transmission network that forward based on IP.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of automatic discovery network element and corresponding network element, network management device, and three layers that are applicable to based on TCP/IP framework forward MCN communication networks.
For solving the problems of the technologies described above, the invention provides a kind of method of automatic discovery network element, network element is carried out following processing:
After each network element electrifying startup in telecommunication management network (MCN), to neighbours' network element of this network element, send the essential information of this network element;
Each network element in MCN judges this neighbours' network element according to the essential information of neighbours' network element of this network element receiving if new access network element, the essential information of preserving this neighbours' network element, and to webmaster, report the essential information of this neighbours' network element.
Further, described network element sends the essential information of this network element to neighbours' network element of this network element by L2 link packet.
Further, the essential information of neighbours' network element of this network element that described basis receives judges that whether described neighbours' network element is new access network element, comprising:
If the local essential information of not preserving described neighbours' network element of judgement, judges that this neighbours' network element is new access network element; If the local essential information of preserving described neighbours' network element of judgement, but local information of preserving is inconsistent with the essential information receiving, and initiates alarm.
Further, described essential information comprises: network element IP address, network element ID and physics outgoing interface information.
Further, described essential information also comprises one or more of following information: NE type, software version information and hardware version information.
For solving the problems of the technologies described above, the present invention also provides a kind of method of automatic discovery network element, and webmaster is carried out following processing:
Webmaster is received after the essential information of its neighbours' network element of the first reported by network elements, according to this essential information, judges this neighbours' network element new access network element if, at network management interface, creates this neighbours' network element, initiates webmaster connect to this neighbours' network element.
Further, describedly according to this essential information, judge that whether described neighbours' network element is new access network element, comprising:
Judgement is local without this neighbours' network element essential information, and this essential information topology location legal and this neighbours' network element meets default topological structure, judges that this neighbours' network element is new access network element; Or
Judge WuIP address in this essential information but the topology location of this neighbours' network element meets default topological structure, judge that this neighbours' network element is new access network element.
Further, described webmaster judges WuIP address in this essential information but the topology location of this neighbours' network element meets after default topological structure, describedly at network management interface, creates this neighbours' network element, initiates webmaster connect to this neighbours' network element, comprising:
Described webmaster is this neighbours' network element configuration IP address, by described the first network element, the IP address of configuration is sent to described neighbours' network element, after the success of IP address configuration, at network management interface, creates this neighbours' network element, initiates webmaster connect to this neighbours' network element.
For solving the problems of the technologies described above, the present invention also provides a kind of network element device of automatic discovery network element, and described network element is arranged in telecommunication management network (MCN), comprises information sending module and reporting module, wherein:
Described information sending module, for after this network element electrifying startup, sends the essential information of this network element to neighbours' network element of this network element;
Described reporting module, for judging this neighbours' network element according to the essential information of neighbours' network element of this network element of receiving if new access network element, the essential information of preserving this neighbours' network element, and report the essential information of this neighbours' network element to webmaster.
Further, described information sending module is for sending the essential information of this network element to neighbours' network element of this network element by L2 link packet.
Further, described reporting module judges that according to the essential information of the neighbours' network element receiving whether described neighbours' network element is new access network element, comprising:
If the local essential information of not preserving described neighbours' network element of described reporting module judgement, judges that this neighbours' network element is new access network element; If the local essential information of preserving described neighbours' network element of judgement, but local information of preserving is inconsistent with the essential information receiving, and initiates alarm.
For solving the problems of the technologies described above, the present invention also provides a kind of network management device of automatic discovery network element, comprises receiver module and new network element processing module, wherein:
Described receiver module, for receiving the essential information of its neighbours' network element of the first reported by network elements;
Described new network element processing module, for receiving at described receiver module after the essential information of its neighbours' network element of described the first reported by network elements, according to this essential information, judge this neighbours' network element new access network element if, at network management interface, create this neighbours' network element, to this neighbours' network element, initiate webmaster and connect.
Further, described new network element processing module judges whether described neighbours' network element is new access network element in the following ways:
Described new network element processing module judgement is local without this neighbours' network element essential information, and this essential information topology location legal and this neighbours' network element meets default topological structure, judges that this neighbours' network element is new access network element; Or
Described new network element processing module judges WuIP address in this essential information but the topology location of this neighbours' network element meets default topological structure, judges that this neighbours' network element is new access network element.
Further, described new network element processing module judges WuIP address in this essential information but the topology location of this neighbours' network element meets after default topological structure, described new network element processing module creates this neighbours' network element at network management interface, initiates webmaster connect to this neighbours' network element, comprising:
Described new network element processing module is this neighbours' network element configuration IP address, by described the first network element, the IP address of configuration is sent to described neighbours' network element, after the success of IP address configuration, at network management interface, create this neighbours' network element, to this neighbours' network element, initiate webmaster and connect.
The present invention proposes a kind of method of link layer communications discovering neighbor network element of passing through, be applicable to three layers of forwarding MCN communication network based on TCP/IP framework.In embodiments of the present invention, when the unknown network element of neighbours does not have IP address information, webmaster can be its distributing IP address information and manage according to preset strategy.In addition, webmaster also can utilize the correctness of the link information verification network element physical topology that equipment reports.Method provided by the invention has improved the ease for use of equipment, has reduced equipment beginning difficulty, and to link physical, verification has increased the reliability of equipment beginning.
Accompanying drawing explanation
Fig. 1 is embodiment 1 flow chart;
Fig. 2 is network element device and network management device structural representation;
Fig. 3 is application example 1 scene graph;
Fig. 4 is application example 2 scene graph;
Fig. 5 is application example 3 scene graph.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
The present embodiment is introduced the method that webmaster is found network element, and as shown in Figure 1, step 110-120 is the processing that network element is carried out, the processing that step 130 is carried out for webmaster:
This essential information comprises: network element IP address, network element ID (ID) and physics outgoing interface information;
Preferably, network element sends the essential information of this network element to neighbours' network element by L2 link packet.
Except above-mentioned several information, essential information can also comprise one or more in following information: NE type, software version information and hardware version information.
Network element, according to the essential information judgement of the neighbours' network element receiving, if this essential information is not preserved in this locality, judges that this neighbours' network element is new access network element, if this essential information has preservation in this locality, can judge that this neighbours' network element is not new access network element.Preferably, if judge that this essential information has preservation in this locality, also can further judge that whether the essential information of receiving is consistent with the essential information of local neighbours' network element of preserving, be as a rule consistent, if there is inconsistent situation, also this can be initiated to alarm.
Preferably, webmaster is after receiving the essential information of network element, first judge the legitimacy of this information, if legal, and local without this neighbours' network element essential information, and the topology location of this neighbours' network element (be physical connection, or claim physical topology) meets default topological structure (claiming again logical topology), judges that this neighbours' network element is new access network element; If illegal, for example WuIP address, further judges whether the topology location of this neighbours' network element meets default topological structure, if met, still can judge that this neighbours' network element is new access network element.
When essential information legal, when whether judgement this locality has the essential information of this neighbours' network element, webmaster can be using the essential information receiving as keyword, check whether network management interface has existed this network element, if existed, think that this locality preserves the essential information of this neighbours' network element, this network element is not new access network element, if there is no, think that this network element is new access network element.
When essential information illegal, common situation is WuIP address, now need the topology location that judges this neighbours' network element whether to meet default topological structure, if met, be this neighbours' network element configuration IP address (can by modes such as pre-configured or preset algorithm), by described the first network element, the IP address of configuration is sent to described neighbours' network element, after the success of IP address configuration, at network management interface, create this neighbours' network element, to this neighbours' network element, initiating webmaster connects, network element is managed, managed network element comprises network element is configured, communicate mutual etc. with network element.If do not met, can initiate alarm, request manual intervention.
By said method webmaster, can find and manage the whole network network element, in addition can the physical topology of verification network element link and the consistency of logical topology.Whether inspection physical topology is consistent with logical topology is to consider from network security angle, only has through accessing with the network element of configuration, is assigned with IP.
The present embodiment introduction realizes the network element device that is arranged in MCN of said method, as shown in Figure 2, comprises information sending module and reporting module, wherein:
Described information sending module, for after this network element electrifying startup, sends the essential information of this network element to neighbours' network element of this network element;
Described reporting module, for judging this neighbours' network element according to the essential information of neighbours' network element of this network element of receiving if new access network element, the essential information of preserving this neighbours' network element, and report the essential information of this neighbours' network element to webmaster.
Preferably, this information sending module is for sending the essential information of this network element to neighbours' network element of this network element by L2 link packet.
Preferably, this reporting module judges that according to the essential information of the neighbours' network element receiving whether described neighbours' network element is new access network element, comprising:
If the local essential information of not preserving described neighbours' network element of reporting module judgement, judges that this neighbours' network element is new access network element; If the local essential information of preserving described neighbours' network element of judgement, but local information of preserving is inconsistent with the essential information receiving, and initiates alarm.
Above-mentioned essential information comprises: network element IP address, network element ID and physics outgoing interface information.Can comprise in addition one or more of following information: NE type, software version information and hardware version information.
Preferably, this information sending module is also used in while receiving the message that webmaster is neighbours' network element configuration IP address, forwards it to neighbours' network element.
Embodiment 3
The present embodiment introduction realizes the network management device of said method, as shown in Figure 2, comprises receiver module and new network element processing module, wherein:
Described receiver module, for receiving the essential information of its neighbours' network element of the first reported by network elements;
Described new network element processing module, for receiving at described receiver module after the essential information of its neighbours' network element of described the first reported by network elements, according to this essential information, judge this neighbours' network element new access network element if, at network management interface, create this neighbours' network element, to this neighbours' network element, initiate webmaster and connect.
Above-mentioned new network element processing module judgement is local without this neighbours' network element essential information, and this essential information topology location legal and this neighbours' network element meets default topological structure, judges that this neighbours' network element is new access network element; Or, new network element processing module judges WuIP address in this essential information but the topology location of this neighbours' network element meets default topological structure, judge that this neighbours' network element is new access network element, this stylish network element processing module is this neighbours' network element configuration IP address, by described the first network element, the IP address of configuration is sent to described neighbours' network element, after the success of IP address configuration, at network management interface, create this neighbours' network element, to this neighbours' network element, initiate webmaster and connect.
Application example 1
In this example, the whole network network is all newly-built equipment network, and webmaster generates the whole network MCN Topology Discovery.As shown in Figure 3, webmaster is by the upper equipment NE3 of Qx mouth management, as shown in sequence number in figure (0) for scene.The present embodiment is only described from the angle of network element NE3, and other network element operations can realize with reference to NE3, comprise the following steps:
Step 11: network element NE3 powers on, collects port port_2/1 and port_1/1 and enables MCN function;
Step 12: network element NE3, according to this network element configuration information, notices this network element essential information by L2 link packet to neighbours' network element from port port_2/1 and port_1/1 respectively;
In the present embodiment, NE3 network element essential information comprises: network element IP: 196.1.3.18/32 (32 represent subnet mask), NE type: 6500, NE ID: NE3, physics outgoing interface information: (the physics outgoing interface information the information sending from port port_2/1 is port_2/1 for port_2/1 or port_1/1, physics outgoing interface information the information sending from port port_1/1 is port_1/1), software version information: SFV1, hardware version information: HWV2;
Step 13: network element NE3 receives the essential information of the NE2 that neighbours' network element NE2 sends, the neighbor information of port port_2/1 relatively, original information be all empty, preservation renewal, and to webmaster, report the essential information of neighbours' network element NE2;
Step 14: webmaster receives after the essential information of network element NE2, carries out following processing:
Step 14.1: the essential information that checks network element NE2 is legal, carries out next step;
Validity judgement comprises form validity judgement and/or content legality judgement.
Step 14.2: webmaster is searched database, finds that network management interface is temporarily without network element NE2 information;
Step 14.3: webmaster checks whether some necessary informations such as IP information of network element NE2 possess, if possessed, create new network element on network management interface, and initiates management connection request, managed network element NE2 to object network element NE2;
Gateway can only check whether IP address possesses, or checks network element IP, device type, and whether the information such as physics outbound port possess.
Step 14.4: webmaster, from neighbours find, gets physical connection information: network element NE3 is connected with the port_2/1 of network element NE2 by port port_2/1, checks the topological structure that it and this locality are pre-configured, finds coupling, link verification succeeds;
Repeat above step 11～14, until all network element NE1～NE6 in discovering network; Network element topology is found to be finished automatically.
Application example 2
Originally be exemplified as network and increase the explanation that node network element topology is found automatically.As shown in Figure 4, in existing network topology, add network element NE5, the course of work of topological automatic discovering is as follows:
Step 21: network element NE5 powers on, collects port port_4/1 and enables MCN function;
Step 22: network element is according to this network element configuration information, and NE5 notices this network element essential information by L2 link packet to neighbours' network element at port port_4/1;
In the present embodiment, NE5 network element essential information comprises: network element IP: 196.1.5.18/32, and NE type: 6500, NE ID: NE5, physics outgoing interface information: port_4/1, software version information: SFV1, hardware version information: HWV2;
Step 23: network element NE4 receives the essential information that neighbours' network element NE5 sends, the neighbor information of port port_1/1 relatively, original information be all empty, preservation renewal, and to webmaster, report the essential information of neighbours' network element NE5;
Step 24: webmaster receives after the essential information of network element NE5, carries out following processing:
Step 24.1: the essential information that checks network element NE5 is legal, carries out next step;
Step 24.2: webmaster is searched database, finds that network management interface is temporarily without network element NE2 information;
Step 24.3: webmaster checks necessary information (the IP address of network element NE5, or also comprise type and physics outgoing interface information) if all possessed, on network management interface, create this NE5 network element, and initiate management connection request, managed network element NE5 to object network element NE5;
Step 24.4: webmaster, from neighbours find, gets physical connection information: network element NE4 is connected with the port_4/1 of network element NE5 by port port_1/1, checks the topological structure that it and this locality are pre-configured, finds coupling, link verification succeeds;
Step 25: the network element topology of newly-increased node NE5 is found to be finished automatically.
Application example 3
Originally be exemplified as the topological automatic discovering illustrated example without network element IP.As shown in Figure 5, network element NE1～NE4 can normal management, and network element NE5, owing to there is no managing I P, by topological automatic discovering, comprises the following steps:
Step 31: network element NE5 powers on, collects port port_4/1 and enables MCN function;
Step 32: network element is according to this network element configuration information, and NE5 notices this network element essential information by L2 link packet to neighbours' network element at port port_4/1;
In the present embodiment, NE5 network element essential information comprises: network element IP:--, NE type: 6500, NE ID: NE5, physics outgoing interface information: port_4/1, software version information: SFV1, hardware version information: HWV2;
Step 33: network element NE4 receives the essential information that neighbours' network element NE5 sends, the neighbor information of port port_1/1 relatively, original information be all empty, preservation renewal, and to webmaster, report the essential information of neighbours' network element NE5;
Step 34: webmaster receives after the essential information of network element NE5, carries out following processing:
Step 34.1: check the legitimacy of the essential information of network element NE5, find " network element IP:--" illegal, reexamine physical topology information consistent with logical topology, carry out next step;
Step 34.2: the distribution method that the managing I P of network element NE5 is searched in webmaster trial, check pre-configured NE5 management ip address: 196.1.5.18/32 of webmaster, be issued to network element NE4;
Step 34.3: network element NE4 receives the administration configuration of network element NE5, is issued to neighbours' network element from port port_1/1; NE5
Step 34.4: network element NE5 enables managing I P196.1.5.18, and comes into force, replys network element NE4, and network element NE4 replys webmaster NE5 managing I P configuration successful;
Step 34.5: webmaster is at the network management interface NE5 that creates NE, and initiate management connection request, managed network element NE5;
Step 35: network element NE5 topological automatic discovering is finished.
One of ordinary skill in the art will appreciate that all or part of step in said method can come instruction related hardware to complete by program, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (20)
1. automatically find a method for network element, network element is carried out following processing:
After each network element electrifying startup in telecommunication management network (MCN), to neighbours' network element of this network element, send the essential information of this network element;
Each network element in MCN judges this neighbours' network element according to the essential information of neighbours' network element of this network element receiving if new access network element, the essential information of preserving this neighbours' network element, and to webmaster, report the essential information of this neighbours' network element.
2. the method for claim 1, is characterized in that:
Described network element sends the essential information of this network element to neighbours' network element of this network element by L2 link packet.
3. the method for claim 1, is characterized in that:
The essential information of neighbours' network element of this network element that described basis receives judges that whether described neighbours' network element is new access network element, comprising:
If the local essential information of not preserving described neighbours' network element of judgement, judges that this neighbours' network element is new access network element; If the local essential information of preserving described neighbours' network element of judgement, but local information of preserving is inconsistent with the essential information receiving, and initiates alarm.
4. the method as described in claim 1 or 2 or 3, is characterized in that:
Described essential information comprises: network element IP address, network element ID and physics outgoing interface information.
5. method as claimed in claim 4, is characterized in that:
Described essential information also comprises one or more of following information: NE type, software version information and hardware version information.
6. automatically find a method for network element, webmaster is carried out following processing:
Webmaster is received after the essential information of its neighbours' network element of the first reported by network elements, according to this essential information, judges this neighbours' network element new access network element if, at network management interface, creates this neighbours' network element, initiates webmaster connect to this neighbours' network element.
7. method as claimed in claim 6, is characterized in that:
Describedly according to this essential information, judge that whether described neighbours' network element is new access network element, comprising:
Judgement is local without this neighbours' network element essential information, and this essential information topology location legal and this neighbours' network element meets default topological structure, judges that this neighbours' network element is new access network element; Or
Judge WuIP address in this essential information but the topology location of this neighbours' network element meets default topological structure, judge that this neighbours' network element is new access network element.
8. method as claimed in claim 7, is characterized in that:
Described webmaster judges WuIP address in this essential information but the topology location of this neighbours' network element meets after default topological structure, describedly at network management interface, creates this neighbours' network element, initiates webmaster connect to this neighbours' network element, comprising:
Described webmaster is this neighbours' network element configuration IP address, by described the first network element, the IP address of configuration is sent to described neighbours' network element, after the success of IP address configuration, at network management interface, creates this neighbours' network element, initiates webmaster connect to this neighbours' network element.
9. the method as described in claim 6 or 7 or 8, is characterized in that:
Described essential information comprises: network element IP address, network element ID and physics outgoing interface information.
10. method as claimed in claim 9, is characterized in that:
Described essential information also comprises one or more in following information: NE type, software version information and hardware version information.
11. 1 kinds of network element devices of automatically finding network element, described network element is arranged in telecommunication management network (MCN), comprises information sending module and reporting module, wherein:
Described information sending module, for after this network element electrifying startup, sends the essential information of this network element to neighbours' network element of this network element;
Described reporting module, for judging this neighbours' network element according to the essential information of neighbours' network element of this network element of receiving if new access network element, the essential information of preserving this neighbours' network element, and report the essential information of this neighbours' network element to webmaster.
12. network element devices as claimed in claim 11, is characterized in that:
Described information sending module is for sending the essential information of this network element to neighbours' network element of this network element by L2 link packet.
13. network element devices as claimed in claim 11, is characterized in that:
Described reporting module judges that according to the essential information of the neighbours' network element receiving whether described neighbours' network element is new access network element, comprising:
If the local essential information of not preserving described neighbours' network element of described reporting module judgement, judges that this neighbours' network element is new access network element; If the local essential information of preserving described neighbours' network element of judgement, but local information of preserving is inconsistent with the essential information receiving, and initiates alarm.
14. network element devices as described in claim 11 or 12 or 13, is characterized in that:
Described essential information comprises: network element IP address, network element ID and physics outgoing interface information.
15. network element devices as claimed in claim 14, is characterized in that:
Described essential information also comprises one or more of following information: NE type, software version information and hardware version information.
16. 1 kinds of network management devices of automatically finding network element, comprise receiver module and new network element processing module, wherein:
Described receiver module, for receiving the essential information of its neighbours' network element of the first reported by network elements;
Described new network element processing module, for receiving at described receiver module after the essential information of its neighbours' network element of described the first reported by network elements, according to this essential information, judge this neighbours' network element new access network element if, at network management interface, create this neighbours' network element, to this neighbours' network element, initiate webmaster and connect.
17. network management devices as claimed in claim 16, is characterized in that:
Described new network element processing module judges whether described neighbours' network element is new access network element in the following ways:
Described new network element processing module judgement is local without this neighbours' network element essential information, and this essential information topology location legal and this neighbours' network element meets default topological structure, judges that this neighbours' network element is new access network element; Or
Described new network element processing module judges WuIP address in this essential information but the topology location of this neighbours' network element meets default topological structure, judges that this neighbours' network element is new access network element.
18. network management devices as claimed in claim 17, is characterized in that:
Described new network element processing module judges WuIP address in this essential information but the topology location of this neighbours' network element meets after default topological structure, and described new network element processing module creates this neighbours' network element at network management interface, initiates webmaster connect to this neighbours' network element, comprising:
Described new network element processing module is this neighbours' network element configuration IP address, by described the first network element, the IP address of configuration is sent to described neighbours' network element, after the success of IP address configuration, at network management interface, create this neighbours' network element, to this neighbours' network element, initiate webmaster and connect.
19. network management devices as described in claim 16 or 17 or 18, is characterized in that:
Described essential information comprises: network element IP address, network element ID and physics outgoing interface information.
20. network management devices as claimed in claim 19, is characterized in that:
Described essential information also comprises one or more in following information: NE type, software version information and hardware version information.
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