CN104660509B - The method for processing forwarding of data message in a kind of access gateway - Google Patents
The method for processing forwarding of data message in a kind of access gateway Download PDFInfo
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- CN104660509B CN104660509B CN201310582477.0A CN201310582477A CN104660509B CN 104660509 B CN104660509 B CN 104660509B CN 201310582477 A CN201310582477 A CN 201310582477A CN 104660509 B CN104660509 B CN 104660509B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/14—Multichannel or multilink protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/66—Layer 2 routing, e.g. in Ethernet based MAN's
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- Computer Networks & Wireless Communication (AREA)
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- Computer Security & Cryptography (AREA)
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Abstract
The present invention relates to a kind of method for processing forwarding of data message in access gateway, including：Access gateway receives data message；Access gateway is learnt according to the source MAC of message, constructs MAC forward tables；Whether the target MAC (Media Access Control) address of access gateway inquiry data message is in the MAC forward tables of registered terminals, if it is, being transmitted optimization according to the channel case of terminal：IP tunnel in this way, then transparent transmission is carried out, if QAM passages, then carry out MPE/TS encapsulation, if other passages, then handled accordingly according to the tunnel condition of terminal；Otherwise, access gateway continues to inquire about the purpose MAC of data message whether in the MAC forward tables of unregistered terminal, if, access gateway is according to corresponding MAC forwarding-table items in the MAC forward tables of unregistered terminal to corresponding port forwarding data packets, otherwise, access gateway broadcasts the data message to other all of the ports in addition to the port for receiving this data message.
Description
Technical field
The present invention relates to network communication technology field, the forward process side of data message in more particularly to a kind of access gateway
Method.
Background technology
In legacy network, Ethernet, which establishes MAC forward tables, two ways：The first is to establish dynamic by flooding mode
MAC forward tables, second is human configuration static state MAC forward tables.Wherein, the dynamic MAC forward table established by flooding mode
It is commonly used in LAN, if being applied to larger network, easily causes the broadcast storm of network.Manually match somebody with somebody
The static MAC forward tables put are applied to carrier class network, although which obviating the broadcast storm of network, because it is adopted completely
Static MAC forward tables are manually established, close MAC self-learning functions, it is therefore desirable to which the quantity of the MAC forward tables of storage compares
It is huge, search efficiency of the network to MAC forward tables is greatly reduced, so as to reduce the forward efficiency of message.
Realize that the message between the server of the network coverage is sent by interchanger at present, interchanger receives a message,
Source MAC study is first carried out, generates MAC forward tables, is then searched by the target MAC (Media Access Control) address in message and broadcast domain ID
MAC forward tables.When corresponding list item can be found in MAC forward tables, port corresponding to the list item be message go out end
Mouthful；When can not find, whole message is flooded in broadcast domain.Current network mostly uses the method, but when terminal can
During being registered to access gateway, access gateway can identifies up-downgoing data, and then logarithm according to the log-on message of terminal
Optimized according to the forward process of message, the above method can not then utilize this advantage.
The patent of Application No. " 201110373358.5 " discloses a kind of mac address table management method and device, passes through
Analytical attack person and the behavioural characteristic of normal users, difference set ageing time, and the MAC of attacker is deleted within the most short time
Address information, and the mac address information of normal users node is not influenceed.The harm that attack is brought can be reduced to by this method
Minimum, but cannot distinguish between registered terminals and the up-downgoing data of unregistered terminal, it is impossible to carried out according to the direction of data excellent
Change transmission.
Therefore, a kind of method for processing forwarding of data message in access gateway how is proposed, for the line number up and down of terminal
It is a urgent problem to be solved according to transmission is optimized.
The content of the invention
It is an object of the invention to overcome data message forwarding method of the prior art can not be according to the transmission side of data
To the defects of optimizing transmission, so as to provide a kind of method that can accelerate message forwarding rate.
To achieve these goals, the invention provides a kind of method for processing forwarding of data message in access gateway, bag
Include：
Step 1）, access gateway receive data message；
Step 2）, access gateway learnt according to the source MAC of message, construct MAC forward tables；Wherein,
The message is step 1）Received data message, or the registration request message for terminal；The MAC forward tables
The MAC forward tables of MAC forward tables, unregistered terminal including registered terminals；
Step 3）, access gateway query steps 1）In the target MAC (Media Access Control) address of received data message whether noting
In the MAC forward tables of volume terminal, if it is, going to step 4）, otherwise go to step 5）；
Step 4）, access gateway judge that current data message is the downlink data of registered terminals, according to terminal
Channel case is transmitted optimization：IP tunnel in this way, then transparent transmission is carried out, if QAM passages, then carry out MPE/TS encapsulation, such as
Fruit is other passages, then is handled accordingly according to the tunnel condition of terminal；Then 8 are gone to step）；
Step 5）, access gateway continue inquire about data message purpose MAC whether unregistered terminal MAC forward tables
In, if it is, going to step 6）, otherwise go to step 7）；
Step 6）, access gateway according to corresponding MAC forwarding-table items in the MAC forward tables of unregistered terminal to corresponding end
Mouth forwarding data packets, then go to step 8）；
Step 7）, access gateway broadcast the datagram to other all of the ports in addition to the port for receiving this data message
Text；
Step 8）, data message forwarding processing terminates.
In above-mentioned technical proposal, the step 2）Including：
Step 2-1-1）, the access gateway receive the registration request message of terminal；The purpose of the registration request message
MAC Address is access gateway；
Step 2-1-2）, access gateway is according to step 2-1-1）Received registration request message inquires about terminal MAC
Whether address is in the MAC forward tables of registered terminals, if it is, going to step 2-1-4）, otherwise perform step 2-1-
3）；
Step 2-1-3）, access gateway using the MAC Address of the terminal and the available channel interface of terminal as a list item,
It is added in the MAC forward tables of registered terminals, then goes to step 2-1-5）；
Step 2-1-4）, access gateway renewal registered terminals MAC forward tables in it is corresponding with registered terminals MAC
MAC forwarding-table items；
Step 2-1-5）, processing terminates；And
The following steps periodically performed：All list items in the registered MAC forward tables of access gateway periodic test,
Default ageing time will be reached also to delete without the list item of renewal.
In above-mentioned technical proposal, described step 2-1-4）Also include before：Set for the MAC forward tables of registered terminals
Time threshold, only just it is updated when a threshold is exceeded.
In above-mentioned technical proposal, the step 2）Also include：
Step 2-2-1）, access gateway receive data message；
Step 2-2-2）, the received data message of access gateway inquiry source MAC whether in unregistered terminal
MAC forward tables in, if it is, going to step 2-2-4）, otherwise perform step 2-2-3）；
Step 2-2-3）, access gateway using the source MAC of data message and receive the interface of message as a list item, addition
Into the MAC forward tables of unregistered terminal, step 2-2-5 is then gone to）；
Step 2-2-4）, unregistered terminal corresponding to access gateway renewal message source MAC MAC forward tables in corresponding table
；
Step 305）, processing terminates；And
Periodically carry out the following steps：It is all in the MAC forward tables of access gateway periodic test unregistered terminal
List item, default ageing time will be reached and also deleted without the list item of renewal.
In above-mentioned technical proposal, described step 2-2-4）Also include before：Set for the MAC forward tables of unregistered terminal
Time threshold, only just it is updated when a threshold is exceeded.
In above-mentioned technical proposal, in described step 4）In, in addition to：Multiple passages are used according to the transmission strategy of setting
The downlink data message of registered terminals is forwarded to multiple destination interfaces.
The advantage of the invention is that：
1st, by setting two MAC forward tables, the up-downgoing data to terminal are identified the present invention, can accelerate data
Forwarding rate；
2nd, the present invention is directed to different MAC forward tables, sets different digestion periods and renewal threshold value, reduces MAC table
The frequency of item renewal, reduces system load；
3rd, in the present invention, by the log-on message of access gateway maintenance terminal, situation can be accessed according to the passage of terminal
By data message forwarding to multiple destination interfaces, realize that multi-channel parallel transmits, widen downlink bandwidth.
Brief description of the drawings
Fig. 1 is the flow chart of data message forwarding processing method in a kind of access gateway of the invention；
Fig. 2 is the Establishing process figure of the MAC forward tables of the registered terminals of the present invention；
Fig. 3 is the Establishing process figure of the MAC forward tables of the unregistered terminal of the present invention.
Embodiment
In conjunction with accompanying drawing, the invention will be further described.
The principle of the method for processing forwarding of data message is in the access gateway of the present invention：When a certain terminal is not to access
During gateway registration, the up-downgoing data of the access gateway nonrecognition terminal, the up-downgoing data to the terminal carry out transparent transmission；When certain
After one terminal is registered to access gateway, access gateway identifies the up-downgoing data of the terminal, transparent transmission is carried out to upstream data, under
Row data are transmitted optimization, so as to reach the forwarding rate for accelerating data, reduce the frequency of MAC address entries renewal, reduce system
The purpose of load.
In order to realize above-mentioned principle, two kinds of MAC forward tables are set in access gateway：The MAC of registered terminals
The MAC forward tables of forward table and unregistered terminal, it is that the MAC forward tables of both types set different digestion periods,
The ageing time of the MAC forward tables of registration terminal is relevant with the keep-alive requesting interval of terminal, when not received more than preset time
During the keep-alive request of terminal, it is possible to delete the list item of corresponding terminal in registered MAC forward tables；And unregistered terminal MAC
The ageing time of forward table without special agreement, can then be set, for example setting is solid in the way of general switch is conventional
Fixed duration, when not updated more than this duration, just corresponding list item in unregistered MAC forward tables is deleted.Using this two
The MAC forward tables of type can be to different types of terminals up-downgoing data be identified, and according to recognition result to data
Do different processing.
The specific implementation step to the inventive method elaborates below.
Step 101）, access gateway receive data message；The data message comprises at least source MAC, purpose MAC
The information such as address；
Step 102）, access gateway learnt according to the source MAC of message, construct MAC forward tables；In this step
In, the message can be data message or the registration request message of terminal.
Step 103）, access gateway query steps 101）In received data message target MAC (Media Access Control) address whether
In the MAC forward tables of registered terminals, if it is, illustrating that the data message is the downlink data of registered terminals, go to step
104）, otherwise go to step 105）；
Step 104）, access gateway judge that this data message is the downlink data of registered terminals, according to the logical of terminal
Road situation is transmitted optimization：IP tunnel in this way, then transparent transmission is carried out, if QAM passages, then carry out MPE/TS encapsulation, if
It is other passages, then is handled accordingly according to the tunnel condition of terminal；Then 108 are gone to step）；
Step 105）, access gateway continue inquire about data message purpose MAC whether unregistered terminal MAC forward tables
In, if it is, going to step 106）, otherwise go to step 107）；
Step 106）, access gateway according to corresponding MAC forwarding-table items in the MAC forward tables of unregistered terminal to corresponding
Port forwarding data packets, then go to step 108）；
Step 107）, access gateway broadcast the datagram to other all of the ports in addition to the port for receiving this data message
Text；
Step 108）, data message forwarding processing terminates.
As a kind of preferred implementation, the access gateway supports the multi-channel parallel transmission of registered terminals, that is, exists
Step 104）In, multiple passages are used according to the transmission strategy of setting（As used IP tunnel and QAM passages simultaneously）Will be registered
The downlink data message of terminal is forwarded to multiple destination interfaces.
Previously mentioned, set MAC forward tables have two types in access gateway, below to step 102）In how structure
This two classes MAC forward table is built to be explained respectively.
Fig. 2 is the building process of the MAC forward tables of registered terminals, including following process：
Step 201）, access gateway receive the registration request message of terminal；The target MAC (Media Access Control) address of the registration request message
It is access gateway；
Step 202）, access gateway is according to step 201）Received registration request message inquires about the terminal MAC address
Whether in the MAC forward tables of registered terminals, if it is, going to step 204）, otherwise perform step 203）；
Step 203）, access gateway using the MAC Address of the terminal and the available channel interface of terminal as a list item, add
It is added in the MAC forward tables of registered terminals, then goes to step 205）；
Step 204）, access gateway renewal registered terminals MAC forward tables in MAC corresponding with registered terminals MAC
Forwarding-table item；
Step 205）, processing terminates.
Also include the following steps in the building process of the MAC forward tables of registered terminals：Access gateway is periodically examined
All list items looked into registered MAC forward tables, default ageing time will be reached and also deleted without the list item of renewal.
Fig. 3 is the building process of the MAC forward tables of unregistered terminal, including following process：
Step 301）, access gateway receive data message；
Step 302）, the received data message of access gateway inquiry source MAC whether in unregistered terminal
In MAC forward tables, if it is, going to step 304）, otherwise perform step 303）；
Step 303）, access gateway using the source MAC of data message and receive message interface as a list item, be added to
In the MAC forward tables of unregistered terminal, step 305 is then gone to）；
Step 304）, unregistered terminal corresponding to access gateway renewal message source MAC MAC forward tables in corresponding table
；
Step 305）, processing terminates.
The building process of the MAC forward tables of unregistered terminal also comprises the following steps：Access gateway periodic test is not noted
All list items in the MAC forward tables of volume terminal, default ageing time will be reached and also deleted without the list item of renewal.
Further, the step 204）With step 304）It is not to every number during middle access gateway renewal MAC address entries
All it is updated according to message, but different time thresholds is set respectively for different MAC forward tables, is just entered during more than threshold value
Row renewal.In the present embodiment, the renewal threshold value is fixed duration, and in other embodiments, the renewal threshold value can also
It is other implementations, the duration that such as can dynamically change.
It should be noted last that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although ginseng
The present invention is described in detail according to embodiment, it will be understood by those within the art that, to the technical side of the present invention
Case is modified or equivalent substitution, and without departure from the spirit and scope of technical solution of the present invention, it all should cover in the present invention
Right among.
Claims (5)
1. the method for processing forwarding of data message in a kind of access gateway, including：
Step 1), access gateway receive data message；
Step 2), access gateway are learnt according to the source MAC of message, construct MAC forward tables；Wherein,
The message is step 1) received data message, or the registration request message for terminal；The MAC forward tables include
The MAC forward tables of registered terminals, the MAC forward tables of unregistered terminal；
Step 3), access gateway query steps 1) in received data message target MAC (Media Access Control) address whether at registered end
In the MAC forward tables at end, if it is, going to step 4), otherwise go to step 5)；
Step 4), access gateway judge that current data message is the downlink data of registered terminals, according to the passage of terminal
Situation is transmitted optimization：IP tunnel in this way, then transparent transmission is carried out, if QAM passages, then carry out MPE/TS encapsulation, if
Other passages, then handled accordingly according to the tunnel condition of terminal；Then go to step 8)；
Step 5), access gateway continue to inquire about the purpose MAC of data message whether in the MAC forward tables of unregistered terminal, such as
Fruit is then to go to step 6), is otherwise gone to step 7)；
Corresponding MAC forwarding-table items turn to corresponding port in the MAC forward tables of step 6), access gateway according to unregistered terminal
Data message is sent out, is then gone to step 8)；
Step 7), access gateway broadcast the data message to other all of the ports in addition to the port for receiving this data message；
Step 8), data message forwarding processing terminate；
The step 2) includes：
Step 2-1-1), the access gateway receive the registration request message of terminal；The purpose MAC of the registration request message
Location is access gateway；
Step 2-1-2), access gateway is according to step 2-1-1) received by registration request message inquire about the terminal MAC address
Whether in the MAC forward tables of registered terminals, if it is, going to step 2-1-4), otherwise perform step 2-1-3)；
Step 2-1-3), access gateway is using the MAC Address of the terminal and the available channel interface of terminal as a list item, addition
Into the MAC forward tables of registered terminals, 2-1-5 is then gone to step)；
Step 2-1-4), access gateway renewal registered terminals MAC forward tables in MAC corresponding with registered terminals MAC turn
Forwarding list item；
Step 2-1-5), processing terminates；And
The following steps periodically performed：All list items in the registered MAC forward tables of access gateway periodic test, will be arrived
Also deleted up to default ageing time without the list item of renewal.
2. the method for processing forwarding of data message in access gateway according to claim 1, it is characterised in that described step
Rapid 2-1-4) also include before：Time threshold is set for the MAC forward tables of registered terminals, only just carried out when a threshold is exceeded
Renewal.
3. the method for processing forwarding of data message in access gateway according to claim 1, it is characterised in that the step
2) include：
Step 2-2-1), access gateway receive data message；
Step 2-2-2), the source MAC of the received data message of access gateway inquiry whether unregistered terminal MAC
In forward table, if it is, going to step 2-2-4), otherwise perform step 2-2-3)；
Step 2-2-3), access gateway using the source MAC of data message and receive message interface as a list item, be added to not
In the MAC forward tables of registration terminal, step 2-2-5 is then gone to)；
Step 2-2-4), corresponding list item in the MAC forward tables of unregistered terminal corresponding to access gateway renewal message source MAC；
Step 2-2-5), processing terminates；And
Periodically carry out the following steps：All list items in the MAC forward tables of access gateway periodic test unregistered terminal,
Default ageing time will be reached also to delete without the list item of renewal.
4. the method for processing forwarding of data message in access gateway according to claim 3, it is characterised in that described step
Rapid 2-2-4) also include before：Time threshold is set for the MAC forward tables of unregistered terminal, only just carried out when a threshold is exceeded
Renewal.
5. the method for processing forwarding of data message in access gateway according to claim 1, it is characterised in that described
In step 4), in addition to：The downlink data message of registered terminals is forwarded using multiple passages according to the transmission strategy of setting
To multiple destination interfaces.
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| CN201310582477.0A CN104660509B (en) | 2013-11-19 | 2013-11-19 | The method for processing forwarding of data message in a kind of access gateway |
| PCT/CN2014/081423 WO2015074423A1 (en) | 2013-11-19 | 2014-07-01 | Data packet forwarding processing method in access gateway |
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| CN201310582477.0A CN104660509B (en) | 2013-11-19 | 2013-11-19 | The method for processing forwarding of data message in a kind of access gateway |
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| CN105933134A (en) * | 2015-10-26 | 2016-09-07 | 上海剑桥科技股份有限公司 | Wireless AP default resetting method and system |
| CN106789525B (en) * | 2016-11-29 | 2019-06-25 | 迈普通信技术股份有限公司 | Message forwarding method and device in a kind of VPLS network |
| CN108256095A (en) * | 2018-01-30 | 2018-07-06 | 郑州工程技术学院 | A kind of Digital Media advertising method of historical cultural city |
| CN109767533B (en) * | 2019-01-14 | 2021-02-19 | 深圳前海微众银行股份有限公司 | Automatic registration method and device for shopping cart electronic lock, gateway equipment and medium |
| CN111083654B (en) * | 2019-12-18 | 2022-09-16 | 欧普照明股份有限公司 | Method for realizing control of wireless passive switch, wireless passive switch and proxy node |
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| CN104660509A (en) | 2015-05-27 |
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Effective date of registration: 20210802 Address after: Room 1601, 16th floor, East Tower, Ximei building, No. 6, Changchun Road, high tech Industrial Development Zone, Zhengzhou, Henan 450001 Patentee after: Zhengzhou xinrand Network Technology Co.,Ltd. Address before: 100190, No. 21 West Fourth Ring Road, Beijing, Haidian District Patentee before: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES |