CN102202103A - Method, system and device for accessing network equipment - Google Patents
Method, system and device for accessing network equipment Download PDFInfo
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- CN102202103A CN102202103A CN2010101406349A CN201010140634A CN102202103A CN 102202103 A CN102202103 A CN 102202103A CN 2010101406349 A CN2010101406349 A CN 2010101406349A CN 201010140634 A CN201010140634 A CN 201010140634A CN 102202103 A CN102202103 A CN 102202103A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L61/00—Network arrangements, protocols or services for addressing or naming
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Abstract
The invention discloses a method for accessing network equipment. The method is used for improving efficiency, security and enforceability of the access process of the network equipment in the prior art. The method comprises that: the network equipment receives multicast message sent by an access end in an appointed multicast group, wherein the multicast message comprises a first temporary communication address generated by the access end in a local network card; the network equipment generates a second temporary communication address of the local network card according to the first temporary communication address in the received multicast message, wherein the second temporary communication address is in the same network segment as the first temporary communication address; and the network equipment establishes a communication link communicated with the access end according to the second temporary communication address and the first temporary communication address, and returns link establishing message to the access end through the communication link, so that the network equipment is accessed through the communication link after the access end receives the link establishing message.
Description
Technical field
The present invention relates to the network communications technology field, particularly a kind of method, system and device of accesses network equipment.
Background technology
Often need be configured or operation such as renewal the information of some network equipments in the local area network (LAN).For example: the read write line in the new adding local area network (LAN) is carried out the configuration of information.The general user can be by access end graphic user interface (Graphical User Inferface GUI) conducts interviews to the network equipment, realizes maintenance and renewal to the network equipment.Access end is generally local computer.This access process comprises: access end is found the network equipment and is set up communication link with it by search operation earlier, be access end search network equipment, obtain the address information of the network equipment, and according to the address information of this locality and the address information of the network equipment, the communication link of foundation and this network equipment, wherein, this address is generally Internet protocol (InternetProtocol, IP) address conducts interviews to the network equipment by this communication link then.Wherein, the communication process between the access end and the network equipment is the traffic scene of one-to-many.
At present, the traffic scene of one-to-many comprises: broadcast communication mode, or multicast communication mode.Wherein, adopt the communication mode of " a pair of all " between the main frame in the broadcast communication mode, the signal that each main frame sends, other All hosts can receive in this local area network (LAN).This scheme is simple and easy to do, has stronger operability, but because the scope of broadcast transmission is uncontrollable, cause the interior all-network equipment of local area network (LAN) all can receive the direct communication information of other arbitrary network equipments, like this, information security does not ensure, has increased the weight of the load of local area network (LAN) in addition yet.
Compare with broadcast communication, the reception object of the message in the multicast communication mode is defined as the member who has added multicast group, and controllability is stronger.But in the process of carrying out network equipment visit, the reception object of the message of search network equipment is the all-network equipment in the same multicast group, the configuration or more the message of the information of new network device but be to receive and dispatch at single network equipment, this requires communication modes that differentiated service can be provided, and the multicast communication mode can't provide this kind service.
In addition, for some instant messagings in the local area network (LAN) (Instant Messaging, IM) class software, for example: feiq, though after initiating once search, but can get access to a plurality of communication objects, and select one of them object to carry out point-to-point communication.But under the network environment of more complicated, this type of IM software can not guarantee the enforceability of operating.For example: when access end and the network equipment are not in the local area network (LAN) same network segment, promptly the IP address of this access end is different with the network number of the IP address of the network equipment, when on the access end of this rete mirabile section, moving feiq, can not search all the other network equipments in the local area network (LAN), the IP address that promptly can not obtain the network equipment; Perhaps exist in the local area network (LAN) under the situation of a plurality of network appliance IP address conflict, also can't guarantee to search all the network equipment with IP.Above situation might occur under the situation of access to LAN simultaneously at the network equipment of a plurality of system information completely randoms, particularly when beginning framework equipment, and the problem that must consider especially.
In sum, present network equipment access process, it is poor to exist efficient, and fail safe is low, and inconvenience such as enforceability difference.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method of accesses network equipment, in order to improve the efficient of network equipment access process in the prior art, fail safe, and feasibility.
The embodiment of the invention provides a kind of method of accesses network equipment, comprising:
The network equipment receives the multicast message that the access end in the agreement multicast group sends, and wherein, comprises the first interim address of the local network interface card that access end generates in the described multicast message;
The described network equipment generates the second interim address of local network interface card according to the first interim address in the multicast message that receives, wherein, and the described second interim address and the described first interim address same network segment;
The described network equipment is according to the described second interim address, and first interim address set up communication link with described access end communication, and set up message to described access end return link by described communication link, after making described access end receive described link establishment message, visit the described network equipment by described communication link.
The embodiment of the invention provides a kind of system of accesses network equipment, comprising: access end and at least one network equipment, the described access end and the network equipment are in the agreement multicast group, wherein,
Described access end, be used to generate the first interim address of local network interface card, and send multicast message, and after receiving the link establishment information that the communication link of the network equipment by correspondence in the described agreement multicast group return, visit the described network equipment by this communication link to the agreement multicast group;
The described network equipment, be used for the first interim address according to the multicast message that receives, generate the second interim address of local network interface card, wherein, the described second interim address and the described first interim address same network segment, and according to the described second interim address, and behind the communication link of the first interim address foundation and described access end communication, set up information to described access end return link by this communication link.
The invention provides an access end, comprising:
Generation unit is used to generate the first interim address of local network interface card;
Communication unit, be used to send multicast message to the agreement multicast group, wherein, comprise the described first interim address in the described multicast message, and after receiving the link establishment information that the communication link of the network equipment by correspondence in the described agreement multicast group return, visit the described network equipment by this communication link.
The embodiment of the invention provides a kind of network equipment, comprising:
Receiving element is used for receiving the multicast message that the access end of agreement multicast group sends, and wherein, comprises the first interim address of the local network interface card that access end generates in the described multicast message;
Generation unit is used for the first interim address according to the multicast message that receives, and generates the second interim address of local network interface card, wherein, and the described second interim address and the described first interim address same network segment;
The link establishment unit is used for according to the described second interim address, and the first interim address is set up and the communication link of described access end communication, and sets up message by described communication link to described access end return link.
In the embodiment of the invention, after inserting the network equipment of a plurality of any IP address in the local area network (LAN), adopt the method for the described accesses network equipment of the embodiment of the invention can disposablely search each network equipment, and carry out the communication configuration operation respectively, and do not rely on the network equipment and whether access end is in the same network segment, improve the efficient of network equipment access process; And, in whole process, be responsible for transmission data communication link bundling in both sides' interim address to network equipment search and configuration, guaranteed the operability and the ease for use of search operation.Compare with pure multicast communication pattern with the broadcast communication pattern, the access scheme that the embodiment of the invention provided can not produce the redundancy communication amount, has reduced the load of Network Transmission to the full extent, has improved the execution efficient of search operation.
Description of drawings
Fig. 1 is the flow chart of accesses network equipment in the embodiment of the invention;
Fig. 2 is the flow chart of accesses network equipment in the embodiment of the invention one;
Fig. 3 is the Organization Chart of accesses network device systems in the embodiment of the invention;
Fig. 4 is the structure chart of access end in the embodiment of the invention;
Fig. 5 is the structure chart of the network equipment in the embodiment of the invention.
Embodiment
In the embodiment of the invention, the network equipment is the equipment that is applied in the Internet, and the informational needs of this equipment is configured or upgrades, for example: the read write line in the local area network (LAN).One or more such network equipments are arranged in the local area network (LAN), for local area network (LAN), the address information of each network equipment, promptly the IP address can be known, also can be unknown.The user still can conduct interviews to these network equipments by the GUI of access end.Wherein, access end can be in the local area network (LAN) same network segment with the searched network equipment, and perhaps, access end and searched some network equipments are in the local area network (LAN) same network segment, and is in the rete mirabile section with searched other network equipments.
In the embodiment of the invention, after the access end and the searched network equipment added the agreement multicast group, the process of accesses network equipment comprised referring to Fig. 1:
Step 101: access end generates the first interim address of local network interface card.
Access end is determined a local network interface card according to the network connection information tabulation of preserving, and then, generates scheme according to the address of setting, and generates the first interim address, and this first interim address and described local network are sticked into the row binding.Wherein, the first interim address comprises: the IP address of interim communication, and subnet mask.The first interim address is different with access end actual address in local area network (LAN).
In the address generation scheme of setting, can directly define the network number of the IP address of interim communication, and the subnet mask number, can also determine the IP address of host number of interim communication by a set algorithm.Wherein, the address generation scheme of setting comprises: the network number of the IP address of interim communication is defined as privately owned address realm, the subnet mask number is set at the subnet mask number of acquiescence of all kinds of addresses or other subnet mask number.
For example: the real ip address of access end in local area network (LAN) is 10.86.50.6, subnet mask is 255.255.255.0, that generates scheme according to the address of setting, and generate the first interim address and comprise: the IP address is 10.14.7.53, and mask is 255.255.0.0; Perhaps generating the first interim address comprises: the IP address is 10.14.7.53, and mask is 255.0.0.0.
Access end may have only a network interface card, also has a plurality of network interface cards.When access end had only a network interface card, the tabulation of the network connection information of preservation also had only a network connection information, and the network interface card with this network connection information correspondence is defined as local network interface card like this.When access end has a plurality of network interface card, then in the network connection information tabulation of preserving, select a network connection information, the network interface card of this network connection information correspondence is defined as local network interface card.
Access end promptly can obtain network connection information when starting, then, according to this network connection information, generate and preserve the network connection information tabulation.
Step 102: access end sends multicast message to the agreement multicast group, wherein, comprises the first interim address in the multicast message.
The access end and the searched network equipment have all added an agreement multicast group, and like this, each network equipment in this agreement multicast group can both be received the multicast message of access end transmission.
Step 103: the network equipment in the agreement multicast group generates the second interim address of local network interface card according to the first interim address in the multicast message that receives.Wherein, the second interim address and the first interim address same network segment, promptly the second interim address has identical network number with the first interim address.
Each network equipment in the agreement multicast group can receive multicast message, like this, each network equipment carries out decode operation to the multicast message that receives separately, obtain the first interim address, then, each network equipment generates scheme according to the address of setting, and generates corresponding and the second interim address this first interim address same network segment, and this second interim address and local network sticked into to go binds.
Here, the second interim address comprises equally: the IP address of interim communication, and subnet mask.In the address generation scheme of setting, directly in the definition second interim address in the network number of the IP address of interim communication and the first interim address network number of the IP address of communication temporarily consistent, and can directly define the subnet mask number, can also determine the IP address of host number of interim communication by a set algorithm.
In the embodiment of the invention, the IP address that each network equipment generates interim communication has independence and completely random, the temporary ip address that exists the plural network equipment to generate also has the possibility that clashes, receive the network equipment number positive correlation of multicast in this probability and the local area network (LAN), with LAN IP address number negative correlation.For example: insert 253 network equipments in C class LAN, access end adopts the subnet mask of acquiescence, is 24, i.e. 255.255.255.0, and then the collision probability of the IP address of the interim communication that the network equipment generates this moment is 100%.Therefore, be head it off, can relax the subnet mask of the IP address of the interim communication of access end, change them into 8, i.e. 255.0.0.0, then the IP address of the interim communication that the network equipment generates at random this moment also with 255.0.0.0 as subnet mask, like this, can carry out hash in 2563 scopes, under the order of magnitude of up to a hundred the network equipments, the probability that generates the temporary IP conflict can be ignored.Therefore, in the preferred embodiment, can define subnet mask in the address generation scheme of setting is 255.0.0.0.
Step 104: the network equipment is according to the second interim address of correspondence, and the first interim address is set up corresponding and the communication link access end communication.
Each network equipment in the multicast group has all generated the second interim address of local network interface card, like this, each network equipment is a source address with this second interim address, is destination address with the first interim address, sets up the communication link of communication between this network equipment and access end.Here, can adopt transmission control protocol (Transmission Control Protocol, TCP) link setup operation.
Step 105: the network equipment is set up message by the communication link of correspondence to the access end return link.Wherein, comprise in the link establishment message: the network equipment is actual address and other relevant information in local area network (LAN).
The network equipment is through behind the three-way handshake, set up the communication link success with access end after, set up message by this communication link return link.Comprise in the link establishment message: the network equipment is actual address in local area network (LAN), i.e. link establishment message has comprised real ip address and the subnet mask of this network equipment in local area network (LAN).Certainly, information such as network equipment identification number, network equipment MAC Address, network equipment sequence number have also been comprised in the link establishment message.
Step 106: after access end receives link establishment message, by the communication link accesses network equipment of correspondence.
After access end receives link establishment message, got access to the actual address of map network equipment and other relevant information, therefore, on gui interface, operated, by the communication link accesses network equipment of correspondence.Here, can from the network equipment, read information, also can be to network equipment writing information, thus realized the configuration or the renewal of network equipment information.
Therefore, in the embodiment of the invention, after the access end and the network equipment added in the agreement multicast group, the network equipment received the multicast message that the access end in the agreement multicast group sends, wherein, the first interim address that comprises the local network interface card that access end generates in the multicast message; Then, the network equipment generates the second interim address of local network interface card according to the first interim address in the multicast message that receives, wherein, and this second interim address and the first interim address same network segment; At last, the network equipment is according to the second interim address, and the first interim address is set up and the communication link of access end communication, and sets up message by this communication link to the access end return link, after making access end receive link establishment message, by this communication link accesses network equipment.
In the embodiment of the invention, the communication link that the network equipment and access end are set up is long connection mode, and the access end and the network equipment periodically send heartbeat signal, independent maintenance communication link separately.
When access end withdraws from or the network equipment removes in local area network (LAN), corresponding communication link can chain rupture; In addition, when access end is initiated search operation again, can initiatively disconnect the communication link that current all and the network equipment are set up, when the network equipment is received new multicast search information, disconnect current link and delete the second current interim address, therefore, in the embodiment of the invention, access end comprises after receiving the link establishment information that the communication link of the network equipment by correspondence return:
After communication link disconnects, the corresponding second corresponding interim address of network equipment deletion, wherein, communication link disconnects and comprising: the access end or the network equipment withdraw from described agreement multicast group, access end resends multicast message, and the network equipment receives one or more in the new multicast message.
In the embodiment of the invention, the system of accesses network equipment comprises: access end and at least one network equipment, access end and all network equipments are in the agreement multicast group, and like this, the process of accesses network equipment comprises:
Access end generates the first interim address of local network interface card, and sends multicast message to the agreement multicast group;
The network equipment in the agreement multicast group generates the second interim address of corresponding local network interface card according to the first interim address in the multicast message that receives, wherein, and the second interim address and the first interim address same network segment;
The network equipment is according to the second interim address, and after the first interim address sets up communication link with the access end communication, sets up information by this communication link to the access end return link;
After access end receives link establishment information, by this communication link accesses network equipment.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
Embodiment one, and in the present embodiment, the network equipment is a read write line, access end and read write line 1 read write line 2 read write lines 3 common access networks, and wherein LAN gateway is 10.86.10.1; The IP address of access end is 10.86.10.2, and mask is 255.255.255.0, and gateway is 10.86.10.1; The IP address of read write line 1 is 10.86.10.3, and mask is 255.255.255.0, and gateway is 10.86.10.1; The IP address of read write line 2 is 10.86.10.3, and mask is 255.255.255.0, and gateway is 10.86.10.1, and promptly read write line 2 is identical with the address of read write line 1; The IP address of read write line 3 is 20.86.10.2, and mask is 255.255.255.0, and gateway is 20.86.10.1, and promptly access end and read write line 3 are in the rete mirabile section.The visit purpose is the communication configuration information that gets access to 3 read write lines simultaneously, and respectively it is made amendment.
Access end, and behind the read write line access to LAN, add the multicast group of making an appointment and register, arranging multicast group IP herein is 230.2.2.2.Referring to Fig. 2, the process of visit read write line comprises:
Step 201: access end obtains native network and connects, and gets access to unique available network interface card, and generates scheme according to the address of setting, and generates the first interim address at random.
Here, the network number of the IP address of the interim communication of definition is 10 in the address generation scheme of setting, and the net mask is 255.0.0.0, and therefore, in the first interim address of generation, the IP address is 10.14.3.69, and subnet mask is 255.0.0.0.This first interim address is added into unique available network interface card.
Wherein, can determine the IP address of host number of interim communication by a set algorithm, for example: if host number form A.B.C, allow A, B, 0～255 of each leisure of C get an integer at random, if 3 number averages getting are 0, then with C=C+2, A, B get once more separately again, and three integers of ABC constitute the A.B.C host number; If what ABC got for the first time at random all is 255, C=C-2 then,, A, B get once more separately again, and three integers of ABC constitute the A.B.C host number.Certainly, the embodiment of the invention determines that the method for the IP address of host number of interim communication is not limited thereto, and other similar methods can.
Step 202: after access end carries out this machine network card binding, send multicast message to multicast group 230.2.2.2, comprised the first interim address in the multicast message, the IP address is 10.14.3.69, subnet mask is 255.0.0.0, and after this, the local read write line link setup target port (4088) of agreement in advance of monitoring.
Step 203: each read write line receiving multicast message, and, generate the second interim address of local network interface card according to the first interim address of multicast message, and wherein, each the second interim address and the described first interim address same network segment.
Multicast address itself belongs to D class address, can receive message in the group after multicast member adds, and whether this with the inter-network section, and whether repeat the address has nothing to do.Therefore, 3 read write lines all can be received the multicast message that access end sends, message body is carried out decode operation after, get access to the first interim address of access end, generate the same second interim address of the network segment with it respectively, and be added into network interface card separately.
Here, the network number of the IP address of the interim communication of definition is 10 in the address generation scheme of setting, and the net mask is 255.0.0.0, therefore, in the second interim address that read write line 1 generates, IP address: 10.251.33.81, subnet mask: 255.0.0.0; In the second interim address that read write line 2 generates, IP address: 10.41.30.159, subnet mask: 255.0.0.0; In the second interim address that read write line 3 generates, IP address: 10.70.20.50, subnet mask: 255.0.0.0.
Step 204: each read write line is a target with the first interim address after binding the second interim address of this machine generation, the communication link of foundation and access end, and reporting links is set up message.
Here, read write line is that target is carried out the operation of TCP link setup with 10.14.3.69:4088 after binding the second interim address that this machine generates, set up through shaking hands for 3 times communication link successfully after, the read write line reporting links is set up message.This link establishment disappears and comprises: the communication configuration relevant information that this machine is coming into force, for example: real ip address and the subnet mask of this read write line in local area network (LAN), information such as device id, device mac address and Equipment Serial Number.With read write line 1 is example, and reporting content is 10.86.10.3, mask 255.255.255.0, rather than the 10.251.33.81 that bound of TCP link setup.
Step 205: after access end listens to link establishment message from 4088 ports, decode and be presented at gui interface, finish once successful read write line search operation.
In above-mentioned search, set up in the process of communication link, access end GUI can not show the information of the interim address of any both parties concerned, like this, the complete invisible both sides' of operator interim address.Issue configuration messages and read write line after the access end and return all the communication link transmission of configuration response message by setting up.
Certainly, in the embodiment of the invention, after the communication link of setting up disconnected, corresponding read write line can be with the second interim address deletion of local network interface card.For example: read write line 2 has withdrawed from local area network (LAN), and then read write line 2 is about to IP address: 10.41.30.159, subnet mask: 255.0.0.0 deletion with the interim address deletion of second in the local network interface card.
Referring to Fig. 3, in the embodiment of the invention, the system of accesses network equipment comprises: access end 100 and at least one network equipment 200, described access end 100 and all-network equipment 200 are in the agreement multicast group, wherein,
The network equipment 200, be used for the first interim address according to the multicast message that receives, generate the second interim address of local network interface card, wherein, the described second interim address and the described first interim address same network segment, and according to the described second interim address, and behind the communication link of the first interim address foundation and described access end 100 communications, set up information to described access end 100 return links by this communication link.
The network equipment 200, also be used for described multicast message is carried out decode operation, obtain the first interim address, and according to the address generation scheme of setting, generate the second interim address with the described first interim address same network segment, and the described second interim address and described local network are sticked into capable the binding.
The network equipment 200, also be used for after described communication link disconnects, the second interim address that deletion is corresponding, wherein, described communication link disconnects and comprising: the described access end 100 or the network equipment 200 withdraw from described agreement multicast group, described access end 100 resends multicast message, and the described network equipment 200 receives one or more in the new multicast message.
Referring to Fig. 4, the access end in the embodiment of the invention comprises: generation unit 410 and communication unit 420.
Wherein, generation unit 410 comprises:
Determine subelement, be used for determining a local network interface card according to the network connection information tabulation of preserving.
The binding subelement is used for generating scheme according to the address of setting, and generates the first interim address, and this first interim address and described local network are sticked into the row binding.
This access end also comprises:
Acquiring unit when being used to start, obtains the network connection information of this access end.
Preserve the unit, be used for, generate and preserve the network connection information tabulation according to described network connection information.
Referring to Fig. 5, the network equipment in the embodiment of the invention comprises: receiving element 510, generation unit 520 and link establishment unit 530.
Receiving element 510 is used for receiving the multicast message that the access end of agreement multicast group sends, and wherein, comprises the first interim address of the local network interface card that access end generates in the described multicast message.
The decoding subelement is used for described multicast message is carried out decode operation, obtains the first interim address;
The binding subelement is used for generating scheme according to the address of setting, and generates the second interim address with the described first interim address same network segment, and the described second interim address and described local network sticked into to go binds.
This network equipment also comprises:
Delete cells, be used for after described communication link disconnects, delete the described second interim address, wherein, described communication link disconnects and comprising: the described access end or the network equipment withdraw from described agreement multicast group, described access end resends multicast message, and the described network equipment receives one or more in the new multicast message.
In the embodiment of the invention, access end generates the first interim address of local network interface card, and send multicast message to the agreement multicast group, each network equipment in the described multicast group is according to the first interim address in the multicast message that receives, generate the second interim address of corresponding local network interface card, wherein, each the second interim address and the described first interim address same network segment; And each network equipment is according to the second interim address of correspondence, and after the first interim address sets up corresponding and communication link described access end communication, sets up information by this communication link to described access end return link; After described access end receives each link establishment information, by the corresponding network equipment of described communication link visit.Like this, after inserting the network equipment of a plurality of any IP address in the local area network (LAN), adopt the method for the described accesses network equipment of the embodiment of the invention can disposablely search each network equipment, and carry out the communication configuration operation respectively, and do not rely on the network equipment and whether access end is in the same network segment; To insert the access end of heterogeneous networks respectively with a plurality of network interface cards, can carry out the limited search operation of scope by selecting network interface card, conveniently the network equipment is carried out grouping management.
In whole process to network equipment search and configuration, be responsible for transmission data communication link bundling in both sides' interim address, only carry out inquiry and configuration data transmission between this and the access end and the network equipment, and behind end of operation, this communication link and interim address all are eliminated.Also carrying out under the situation of business operation after the network equipment is set up communication link with access end, communication link executed in parallel is separately passed through in both sides' operation respectively, has guaranteed the operability and the ease for use of search operation.Compare with pure multicast communication pattern with the broadcast communication pattern, the access scheme that the embodiment of the invention provided can not produce the redundancy communication amount, has reduced the load of Network Transmission to the full extent, has improved the execution efficient of search operation.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. the method for an accesses network equipment is characterized in that, comprising:
The network equipment receives the multicast message that the access end in the agreement multicast group sends, and wherein, comprises the first interim address of the local network interface card that access end generates in the described multicast message;
The described network equipment generates the second interim address of local network interface card according to the first interim address in the multicast message that receives, wherein, and the described second interim address and the described first interim address same network segment;
The described network equipment is according to the described second interim address, and first interim address set up communication link with described access end communication, and set up message to described access end return link by described communication link, after making described access end receive described link establishment message, visit the described network equipment by described communication link.
2. the method for claim 1 is characterized in that, the first interim address that described access end generates local network interface card comprises:
Described access end is determined a local network interface card according to the network connection information tabulation of preserving;
Described access end generates scheme according to the address of setting, and generates the first interim address, and this first interim address and described local network are sticked into the row binding.
3. the method for claim 1 is characterized in that, the described network equipment is according to the first interim address in the multicast message that receives, and the second interim address that generates local network interface card comprises:
The described network equipment carries out decode operation to described multicast message, obtains the first interim address;
The described network equipment generates scheme according to the address of setting, and generates the second interim address with the described first interim address same network segment, and the described second interim address and described local network sticked into to go binds.
4. the method for claim 1 is characterized in that, the described network equipment, also comprises after described access end return link is set up message by described communication link:
After described communication link disconnects, the described network equipment is deleted the described second interim address, wherein, described communication link disconnects and comprising: the described access end or the network equipment withdraw from described agreement multicast group, described access end resends multicast message, and the described network equipment receives one or more in the new multicast message.
5. the system of an accesses network equipment is characterized in that, comprising: access end and at least one network equipment, the described access end and the network equipment are in the agreement multicast group, wherein,
Described access end, be used to generate the first interim address of local network interface card, and send multicast message, and after receiving the link establishment information that the communication link of the network equipment by correspondence in the described agreement multicast group return, visit the described network equipment by this communication link to the agreement multicast group;
The described network equipment, be used for the first interim address according to the multicast message that receives, generate the second interim address of local network interface card, wherein, the described second interim address and the described first interim address same network segment, and according to the described second interim address, and behind the communication link of the first interim address foundation and described access end communication, set up information to described access end return link by this communication link.
6. system as claimed in claim 5 is characterized in that,
Described access end also is used for determining a local network interface card according to the network connection information tabulation of preserving, and generates scheme according to the address of setting, and generates the first interim address, and this first interim address and described local network are sticked into the row binding.
7. system as claimed in claim 5 is characterized in that,
The described network equipment, also be used for described multicast message is carried out decode operation, obtain the first interim address, and according to the address generation scheme of setting, generate the second interim address with the described first interim address same network segment, and the described second interim address and described local network are sticked into capable the binding.
8. system as claimed in claim 5 is characterized in that,
The described network equipment, also be used for after described communication link disconnects, the second interim address that deletion is corresponding, wherein, described communication link disconnects and comprising: the described access end or the network equipment withdraw from described agreement multicast group, described access end resends multicast message, and the described network equipment receives one or more in the new multicast message.
9. an access end is characterized in that, comprising:
Generation unit is used to generate the first interim address of local network interface card;
Communication unit, be used to send multicast message to the agreement multicast group, wherein, comprise the described first interim address in the described multicast message, and after receiving the link establishment information that the communication link of the network equipment by correspondence in the described agreement multicast group return, visit the described network equipment by this communication link.
10. access end as claimed in claim 9 is characterized in that, described generation unit comprises:
Determine subelement, be used for determining a local network interface card according to the network connection information tabulation of preserving;
The binding subelement is used for generating scheme according to the address of setting, and generates the first interim address, and this first interim address and described local network are sticked into the row binding.
11. a network equipment is characterized in that, comprising:
Receiving element is used for receiving the multicast message that the access end of agreement multicast group sends, and wherein, comprises the first interim address of the local network interface card that access end generates in the described multicast message;
Generation unit is used for the first interim address according to the multicast message that receives, and generates the second interim address of local network interface card, wherein, and the described second interim address and the described first interim address same network segment;
The link establishment unit is used for according to the described second interim address, and the first interim address is set up and the communication link of described access end communication, and sets up message by described communication link to described access end return link.
12. the network equipment as claimed in claim 11 is characterized in that, described generation unit comprises:
The decoding subelement is used for described multicast message is carried out decode operation, obtains the first interim address;
The binding subelement is used for generating scheme according to the address of setting, and generates the second interim address with the described first interim address same network segment, and the described second interim address and described local network sticked into to go binds.
13. the network equipment as claimed in claim 11 is characterized in that, also comprises:
Delete cells, be used for after described communication link disconnects, delete the described second interim address, wherein, described communication link disconnects and comprising: the described access end or the network equipment withdraw from described agreement multicast group, described access end resends multicast message, and the described network equipment receives one or more in the new multicast message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101406349A CN102202103A (en) | 2010-03-23 | 2010-03-23 | Method, system and device for accessing network equipment |
| PCT/CN2010/079779 WO2011116614A1 (en) | 2010-03-23 | 2010-12-14 | Method, system and device for accessing network equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101406349A CN102202103A (en) | 2010-03-23 | 2010-03-23 | Method, system and device for accessing network equipment |
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| CN102202103A true CN102202103A (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101406349A Pending CN102202103A (en) | 2010-03-23 | 2010-03-23 | Method, system and device for accessing network equipment |
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| Country | Link |
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| CN (1) | CN102202103A (en) |
| WO (1) | WO2011116614A1 (en) |
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| WO2011116614A1 (en) | 2011-09-29 |
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