CN109547267A - LAN system and core layer, access-layer switch and its configuration method - Google Patents
LAN system and core layer, access-layer switch and its configuration method Download PDFInfo
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- CN109547267A CN109547267A CN201910001996.0A CN201910001996A CN109547267A CN 109547267 A CN109547267 A CN 109547267A CN 201910001996 A CN201910001996 A CN 201910001996A CN 109547267 A CN109547267 A CN 109547267A
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- Prior art keywords
- layer switch
- access
- configuration
- information
- order message
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0213—Standardised network management protocols, e.g. simple network management protocol [SNMP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/70—Virtual switches
Abstract
The invention discloses a kind of LAN system and core layers, access-layer switch and its configuration method, which comprises the core layer switch in LAN system sends configuration order message to access-layer switch；The access-layer switch realizes the forwarding of data packet according to the network configuration information indicated in the configuration order message.It can configure, manage into layer switch in order to dock using the present invention, later maintenance and network is facilitated to extend.
Description
Technical field
The present invention relates to switch technology field, a kind of LAN system and core layer, access layer exchange are particularly related to
Machine and its configuration method.
Background technique
The network switch is the interchanger based on Ethernet transmission data, and ethernet technology have become it is current most important
A kind of local area network building technology, therefore the network switch also just becomes most popular interchanger.Applied to local area network with
Too network switch can be used for connecting terminal device, such as PC machine and the network printer.The structure of Ethernet switch is each
Port is all directly connected with host, and generally all works in full duplex mode.Exchange function is connected to many to port simultaneously, makes
The host that every a pair is in communication with each other can carry out ensuring escapement from confliction and transmit data as exclusive communication medium.
Local area network generallys use the hierarchical model design of three-layer network framework, i.e., is divided into complicated network design several
A level, each level focus on certain specific functions, and this makes it possible to so that a complicated big problem is become many simple
Minor issue.There are three levels for the network of three-layer network architecture design: core layer (high speed of network exchanges trunk), convergence layer
(connection based on strategy is provided), access layer (work station is accessed into network).
The access-layer switch of traditional intranet network is difficult to accomplish Precision management, needs to manage a large amount of homogeneities and connects
Enter equipment, need to remember the management address of each interchanger, the information such as different configuration, maintenance is got up extremely difficult.Especially one
Access-layer switch is different brands model in a little large-scale local area network, and configuration mode differs greatly, and maintenance is got up very tired
Difficulty, while cannot individually replace, it need to consider corollary equipment；And later period configuration change extends also extremely difficult.
Summary of the invention
The invention proposes a kind of LAN system and core layer, access-layer switch and its configuration method, convenient for pair
Access-layer switch is configured, is managed, and later maintenance and network is facilitated to extend.
Based on above-mentioned purpose, the present invention provides a kind of configuration method of access-layer switch, comprising:
Core layer switch in LAN system sends configuration order message to access-layer switch；
The access-layer switch realizes data packet according to the network configuration information indicated in the configuration order message
Forwarding.
Wherein, the heading of the configuration order message is specially the access-layer switch for receiving the configuration order message
Media access control address MAC Address and Internet protocol IP address；And
Include following network configuration information in the message content of the configuration order message:
The information of virtual local area network of the access-layer switch, port mode information；
The Simple Network Management Protocol SNMP information that the access-layer switch needs to configure.
Further, before the core layer switch sends configuration order message to access-layer switch, further includes:
The access-layer switch when accessing the LAN system, based on DynamicHost setting protocol DHCP with it is described
Core layer switch communication；
The core layer switch is that the access-layer switch distributes the IP address.
Further, the access-layer switch realizes number according to the network configuration information indicated in the configuration order message
After the forwarding of packet, further includes:
The access-layer switch feeds back the fortune of this interchanger based on the SNMP information of configuration to the core layer switch
Market condition.
The present invention also provides a kind of core layer switch, comprising:
Interchanger configuration management module, for generating the configuration order message of access-layer switch；Wherein, the configuration life
Message is enabled to indicate the network configuration information of the access-layer switch；
Message sending module, for sending the configuration order message to the access-layer switch.
The present invention also provides a kind of access-layer switch, comprising:
Message receiving module, for receiving the configuration order message of core layer switch transmission；
Packet parsing module, for being stored after parsing network configuration information in the configuration order message；
Data packet forward module, for realizing the forwarding of data packet according to the network configuration information of storage.
The present invention also provides a kind of LAN systems, comprising: core layer switch as described above, and it is as described above
Access-layer switch.
In the technical solution of the embodiment of the present invention, the core layer switch in LAN system is sent to access-layer switch
Configuration order message, the access-layer switch realize data according to the network configuration information indicated in the configuration order message
The forwarding of packet.To be believed by the method, access-layer switch will receive the network configuration information that management end core layer switch issues,
The even contents such as control management.Access-layer switch is forwarded the data packet of equipment end by this configuration.To in local
In net system, in such a way that core layer switch sends configuration order message to access-layer switch, realize to access layer
The centralized configuration and management of interchanger, significantly reduces the management difficulty of existing garden type enterprise network, and significantly increases
Network management flexibility and availability facilitate enterprise according to business change, the flexibly adjustment network architecture.Moreover, because passing through
Core layer switch realizes the unified configuration of access-layer switch, and administrator only needs to safeguard core layer switch and docks into layer
The network configuration information of interchanger can be realized without specially safeguarding to access-layer switch to whole network
Dynamic manages, and the interchanger of different brands model, and unified management also may be implemented by this method；Moreover, application is originally
The LAN system of inventive technique scheme has flexible scalability, as long as supporting the interchanger of SMP agreement, so that it may flexibly
Be added in network, accomplish plug and play.
In addition, by snmp simple network management protocol, the core layer switch of management end can obtain access layer in real time
The operating condition of interchanger.
Detailed description of the invention
Fig. 1 is a kind of architecture diagram of LAN system provided in an embodiment of the present invention；
Fig. 2 is a kind of configuration method flow chart of access-layer switch provided in an embodiment of the present invention；
Fig. 3 is configuration order message format schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the internal structure block diagram of access-layer switch provided in an embodiment of the present invention and core layer switch.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that when we claim element to be " connected " or " coupling
Connect " to another element when, it can be directly connected or coupled to other elements, or there may also be intermediary elements.In addition, this
In " connection " or " coupling " that uses may include being wirelessly connected or wireless coupling.Wording "and/or" used herein includes one
A or more associated whole for listing item or any cell and all combination.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
Main thought of the invention is that the core layer switch in LAN system sends configuration life to access-layer switch
Message is enabled, the access-layer switch realizes turning for data packet according to the network configuration information indicated in the configuration order message
Hair.Thus in LAN system, it is real in such a way that core layer switch sends configuration order message to access-layer switch
Show the centralized configuration and management to access-layer switch, significantly reduces the management difficulty of existing garden type enterprise network, and
Network management flexibility and availability are significantly increased, facilitates enterprise according to business change, the flexibly adjustment network architecture.And
And the unified configuration due to realizing access-layer switch by core layer switch, administrator only need to safeguard core layer friendship
The network configuration information changed planes to access-layer switch can be realized without specially safeguarding to access-layer switch
Dynamic management to whole network, and the interchanger of different brands model, unified management also may be implemented by this method.
The technical solution for embodiment that the invention will now be described in detail with reference to the accompanying drawings.
A kind of LAN system provided in an embodiment of the present invention, framework are as shown in Figure 1, comprising: core layer interchanger 101 with
And access-layer switch 102.
Wherein, the access-layer switch 102 in LAN system connects the access device of terminal, such as PC；Management end
Core layer switch 101 may be implemented the centralized configuration and management to access-layer switch 102: core layer switch 101 is to connecing
Enter layer switch 102 and send configuration order message, access-layer switch 102 is according to the net indicated in received configuration order message
The forwarding of network configuration information realization data packet.
Further, access-layer switch 102 can also be based on DHCP (Dynamic when accessing the LAN system
Agreement is arranged in Host Configuration Protocol, DynamicHost) it is communicated with core layer switch 101, request core layer
Interchanger 101 is its dynamic IP address allocation.
Further, access-layer switch 102 can also the SNMP information based on configuration to core layer switch 101 feed back this friendship
The operating condition changed planes allows the core layer switch 101 of management end to obtain the operation feelings of access-layer switch 102 in real time
Condition.
Specifically, in a kind of LAN system provided in an embodiment of the present invention access-layer switch configuration method, process
As shown in Fig. 2, including the following steps:
Step S201: access-layer switch 102 is when accessing the LAN system, based on DHCP and core layer switch
101 communications.
Specifically, access-layer switch 102 is after being linked into the LAN system by optical fiber or twisted pair, can be with
It is communicated based on DHCP with the core layer switch 101 in LAN system, sends IP (Internet to core layer switch 101
Protocol, Internet protocol) address request information.
Step S202: core layer switch 101 is that access-layer switch 102 distributes IP address.
Specifically, core layer switch 101 receive access-layer switch 102 transmission IP address solicited message after,
The IP address dynamically distributed is returned to access-layer switch 102.
Step S203: core layer switch 101 sends configuration order message to access-layer switch 102.
Specifically, core layer switch 101 is after being assigned with IP address for access-layer switch 102, and then can be should
Access-layer switch 102 generates configuration order message.Wherein, the net of access-layer switch 102 is indicated in configuration order message
Network configuration information.
Specifically, the configuration life of the invention based on SMP (Switch Manage Protocol, switch management agreement)
Enable the format of message as shown in Figure 3:
The heading (packet header) of configuration order message specifically can be the access-layer switch for receiving the configuration order message
102 (Media Access Control, the media access control) address MAC and IP address；
The message trailer (packet tail) of configuration order message specifically can be the attribute field of scheduled the message ends；
The message content (backpack body) of configuration order message may include following network configuration information: access-layer switch 102
Virtual LAN (vlan) information, the SNMP (Simple that port mode information and access-layer switch 102 need to configure
Network Management Protocol, Simple Network Management Protocol) information.
Further, the message content (backpack body) of configuration order message can also include one of following network configuration information or group
It closes: necessary routing iinformation, the access-layer switch of the access control information of access-layer switch 102, access-layer switch 102
The 102 other category informations needed to configure.
Step S204: access-layer switch 102 is real according to the network configuration information indicated in received configuration order message
The forwarding of existing data packet.
Specifically, access-layer switch 102, which receives, therefrom parses network configuration information after configuration order message and goes forward side by side
Row storage；Then, access-layer switch 102 realizes the forwarding of data packet according to the network configuration information of storage；To realize by
Core layer switch 101 carries out the process of centralized management control to the network configuration of access-layer switch 102.
Step S205: access-layer switch 102 feeds back this exchange to core layer switch 101 based on the SNMP information of configuration
The operating condition of machine.
Specifically, access-layer switch 102 can also match after storing network configuration information according in network configuration information
The SNMP information set feeds back the operating condition of this interchanger to core layer switch 101, so that core layer switch 101, so as to
Centralized management and trouble shooting etc. in administrative staff by the realization of core layer switch 101 to access-layer switch 102.
In addition, access-layer switch 102 of the invention realizes network configuration by then passing through core layer switch 101,
And the local function of not having modification network configuration information, to also increase safety to a certain extent.
Based on above-mentioned method, a kind of core layer switch provided in an embodiment of the present invention, internal structure as shown in figure 4,
It include: interchanger configuration management module 401, message sending module 402.
Interchanger configuration management module 401 is used to generate the configuration order message of access-layer switch；Wherein, the configuration
Command message indicates the network configuration information of the access-layer switch；Specifically, interchanger configuration management module 401 is connecing
It is the access after receiving the IP address solicited message that the access-layer switch is sent based on DynamicHost setting protocol DHCP
Layer switch distributes after the IP address configuration order message for generating the access-layer switch.
Message sending module 402 is for sending the configuration order message to the access-layer switch.
A kind of access-layer switch provided in an embodiment of the present invention, internal structure are as shown in Figure 4, comprising: message receives mould
Block 411, packet parsing module 412, data packet forward module 413.
Message receiving module 411 is used to receive the configuration order message of core layer switch transmission；
Packet parsing module 412 after parsing network configuration information in the configuration order message for being stored；
Data packet forward module 413 is used to realize the forwarding of data packet according to the network configuration information of storage.
Further, access-layer switch provided in an embodiment of the present invention may also include that operating condition feedback module 414.
SNMP information of the operating condition feedback module 414 for configuring in the network configuration information based on storage is to the core
Central layer interchanger feeds back the operating condition of this interchanger.
In addition, access-layer switch is with may also include that the IP for sending IP address solicited message to core layer switch
Location request module.
In the technical solution of the embodiment of the present invention, the core layer switch in LAN system is sent to access-layer switch
Configuration order message, the access-layer switch realize data according to the network configuration information indicated in the configuration order message
The forwarding of packet.To be believed by the method, access-layer switch will receive the network configuration information that management end core layer switch issues,
The even contents such as control management.Access-layer switch is forwarded the data packet of equipment end by this configuration.To in local
In net system, in such a way that core layer switch sends configuration order message to access-layer switch, realize to access layer
The centralized configuration and management of interchanger, significantly reduces the management difficulty of existing garden type enterprise network, and significantly increases
Network management flexibility and availability facilitate enterprise according to business change, the flexibly adjustment network architecture.Moreover, because passing through
Core layer switch realizes the unified configuration of access-layer switch, and administrator only needs to safeguard core layer switch and docks into layer
The network configuration information of interchanger can be realized without specially safeguarding to access-layer switch to whole network
Dynamic manages, and the interchanger of different brands model, and unified management also may be implemented by this method；Moreover, application is originally
The LAN system of inventive technique scheme has flexible scalability, as long as supporting the interchanger of SMP agreement, so that it may flexibly
Be added in network, accomplish plug and play.
In addition, by snmp simple network management protocol, the core layer switch of management end can obtain access layer in real time
The operating condition of interchanger.
Those skilled in the art of the present technique have been appreciated that in the present invention the various operations crossed by discussion, method, in process
Steps, measures, and schemes can be replaced, changed, combined or be deleted.Further, each with having been crossed by discussion in the present invention
Kind of operation, method, other steps, measures, and schemes in process may also be alternated, changed, rearranged, decomposed, combined or deleted.
Further, in the prior art to have and the step in various operations, method disclosed in the present invention, process, measure, scheme
It may also be alternated, changed, rearranged, decomposed, combined or deleted.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.Therefore, it is all
Within the spirit and principles in the present invention, any omission, modification, equivalent replacement, improvement for being made etc. be should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of configuration method of access-layer switch characterized by comprising
Core layer switch in LAN system sends configuration order message to access-layer switch；
The access-layer switch realizes the forwarding of data packet according to the network configuration information indicated in the configuration order message.
2. the method according to claim 1, wherein the heading of the configuration order message is specially to receive to be somebody's turn to do
The media access control address MAC Address and Internet protocol IP address of the access-layer switch of configuration order message；And
Include following network configuration information in the message content of the configuration order message:
The information of virtual local area network of the access-layer switch, port mode information；
The Simple Network Management Protocol SNMP information that the access-layer switch needs to configure.
3. according to the method described in claim 2, it is characterized in that, the core layer switch is matched to access-layer switch transmission
Before setting command message, further includes:
The access-layer switch is when accessing the LAN system, based on DynamicHost setting protocol DHCP and the core
Layer switch communication；
The core layer switch is that the access-layer switch distributes the IP address.
4. according to the method described in claim 2, it is characterized in that, the access-layer switch is according to the configuration order message
After the network configuration information of middle instruction realizes the forwarding of data packet, further includes:
The access-layer switch feeds back the operation feelings of this interchanger based on the SNMP information of configuration to the core layer switch
Condition.
5. method according to claim 1 to 4, which is characterized in that the message content of the configuration order message also wraps
Include one of following network configuration information or combination:
The access control information of the access-layer switch；
The necessary routing iinformation of the access-layer switch；
Other category informations that the access-layer switch needs to configure.
6. a kind of core layer switch, comprising:
Interchanger configuration management module, for generating the configuration order message of access-layer switch；Wherein, the configuration order report
Text indicates the network configuration information of the access-layer switch；
Message sending module, for sending the configuration order message to the access-layer switch.
7. core layer switch according to claim 6, which is characterized in that the heading of the configuration order message is specific
For receive the configuration order message access-layer switch media access control address MAC Address and Internet protocol IP
Location；And include following network configuration information in the message content of the configuration order message:
The information of virtual local area network of the access-layer switch, port mode information；
The Simple Network Management Protocol SNMP information that the access-layer switch needs to configure；And
The interchanger configuration management module is specifically used for receiving the access-layer switch based on DynamicHost setting association
After discussing the IP address solicited message that DHCP is sent, the access layer is generated after distributing the IP address for the access-layer switch
The configuration order message of interchanger.
8. a kind of access-layer switch, comprising:
Message receiving module, for receiving the configuration order message of core layer switch transmission；
Packet parsing module, for being stored after parsing network configuration information in the configuration order message；
Data packet forward module, for realizing the forwarding of data packet according to the network configuration information of storage.
9. access-layer switch according to claim 8, which is characterized in that the heading of the configuration order message is specific
For receive the configuration order message access-layer switch media access control address MAC Address and Internet protocol IP
Location；And include following network configuration information in the message content of the configuration order message:
The information of virtual local area network of the access-layer switch, port mode information；
The Simple Network Management Protocol SNMP information that the access-layer switch needs to configure；And
The access-layer switch further include:
Operating condition feedback module feeds back the fortune of this interchanger for the SNMP information based on configuration to the core layer switch
Market condition.
10. a kind of LAN system characterized by comprising core layer switch as claimed in claims 6 or 7, Yi Jiru
Access-layer switch described in claim 8 or 9.
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| CN201910001996.0A CN109547267A (en) | 2019-01-02 | 2019-01-02 | LAN system and core layer, access-layer switch and its configuration method |
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Application publication date: 20190329 |