CN108322389B - Data message forwarding method and system, and wireless access device - Google Patents
Data message forwarding method and system, and wireless access device Download PDFInfo
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- CN108322389B CN108322389B CN201710031913.3A CN201710031913A CN108322389B CN 108322389 B CN108322389 B CN 108322389B CN 201710031913 A CN201710031913 A CN 201710031913A CN 108322389 B CN108322389 B CN 108322389B
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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
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- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
Abstract
A data message forwarding method comprises the following steps: receiving a wireless data message sent by a wireless terminal; converting the wireless message into a wired message; determining a forwarding mode of the wired data message according to a wireless hotspot accessed by the wireless terminal; when the forwarding mode is a centralized forwarding mode, acquiring a target forwarding MAC address corresponding to the wireless hotspot during centralized forwarding; modifying the destination MAC address of the wired data message into the destination forwarding MAC address and outputting the destination forwarding MAC address; and sending the wired data message to a target server according to the target forwarding MAC address. According to the data message forwarding method, when the data message is forwarded in a centralized manner, the data message can be forwarded in a centralized manner only by modifying the target MAC address of the data message and modifying the target MAC address into the target forwarding MAC address in a centralized forwarding mode, and the forwarding efficiency is high. The invention also provides a data message forwarding system and a wireless access device.
Description
Technical Field
The present invention relates to the field of network communication technologies, and in particular, to a method and a system for forwarding a data packet, and further, to a wireless access device.
Background
The centralized forwarding in Wireless Local Area Networks (WLAN) is mainly based on the three-layer capwap protocol. Therefore, a wireless Access Point (AP) is required to support a three-layer forwarding protocol. And when the tunnel head is encapsulated in the forwarding process, the modification of the message length is involved, and the forwarding efficiency is low.
Disclosure of Invention
Based on this, there is a need to provide a data packet forwarding method and system capable of improving data forwarding efficiency, and also provide a wireless access device.
A data message forwarding method comprises the following steps: receiving a wireless data message sent by a wireless terminal; converting the wireless message into a wired message; determining a forwarding mode of the wired data message according to a wireless hotspot accessed by the wireless terminal; when the forwarding mode is a centralized forwarding mode, acquiring a target forwarding MAC address corresponding to the wireless hotspot during centralized forwarding; modifying the destination MAC address of the wired data message into the destination forwarding MAC address and outputting the destination forwarding MAC address; and sending the wired data message to a target server according to the target forwarding MAC address.
According to the data message forwarding method, when the data message is forwarded in a centralized manner, the data message can be forwarded in a centralized manner only by modifying the target MAC address of the data message and modifying the target MAC address into the target forwarding MAC address in a centralized forwarding mode. Compared with the traditional tunnel encapsulation forwarding mode of the message, the method has the advantages that the message is slightly modified, the message fragmentation and recombination are not needed, and the forwarding efficiency is high.
In one embodiment, before the step of receiving the wireless data packet transmitted by the wireless terminal, the method further includes the steps of: receiving wireless configuration parameters; the wireless configuration parameters comprise an SSID of a wireless hotspot, a forwarding mode corresponding to the wireless hotspot and a target forwarding MAC address during centralized forwarding.
In one embodiment, after the step of modifying the destination MAC address of the wire data packet to the destination forwarding MAC address and outputting the modified destination MAC address, and before the step of sending the wire data packet to the destination server according to the destination forwarding MAC address, the method further includes a step of performing network address translation on the wire data packet.
In one embodiment, the method further comprises the following steps: receiving a response message responded by the target server; forwarding the response message to corresponding wireless access equipment according to the destination MAC address in the response message; and converting the source MAC address in the response message into the MAC address of the corresponding wireless hotspot, converting the response message into a wireless message and outputting the wireless message to the corresponding wireless terminal.
In one embodiment, when the forwarding mode is a local forwarding mode, the wireless data packet is locally forwarded.
A data message forwarding system comprises wireless access equipment and a wireless controller, wherein the wireless access equipment comprises a first message receiving module, a forwarding mode determining module, an obtaining module, a message converting module and a first forwarding module; the wireless controller comprises a second message forwarding module; the first message receiving module is used for receiving a wireless data message sent by a wireless terminal; the message conversion module is used for converting the wireless data message into a wired data message; the forwarding mode determining module is used for determining the forwarding mode of the wired data message according to the wireless hotspot accessed by the wireless terminal; the obtaining module is used for obtaining a target forwarding MAC address corresponding to the wireless hotspot during centralized forwarding when the forwarding mode determining module determines that the forwarding mode is the centralized forwarding mode; the message conversion module is further configured to modify a destination MAC address in the wired data message to the target forwarding MAC address when the forwarding mode determination module determines that the forwarding mode is the centralized forwarding mode; the first forwarding module is used for forwarding the wired data message to a wireless controller; the second forwarding module is used for forwarding the wired data message to a target server.
In one embodiment, the wireless controller further includes a configuration parameter issuing module, configured to issue a wireless configuration parameter to the wireless access device; the wireless configuration parameters comprise an SSID of a wireless hotspot, a forwarding mode corresponding to the wireless hotspot and a target forwarding MAC address during centralized forwarding; the wireless access device further comprises a configuration parameter receiving module, configured to receive the wireless configuration parameter.
In one embodiment, the wireless controller further includes a network address translation module, configured to perform network address translation on the wired data packet.
In one embodiment, the wireless controller further comprises a second message receiving module; the second message receiving module is used for receiving a response message responded by the target server; the second forwarding module is configured to forward the response packet to the corresponding wireless access device according to the destination MAC address in the response packet; the first data message receiving module is further configured to receive the response message; the message conversion module is also used for converting the source MAC address in the response message into the MAC address corresponding to the wireless hotspot and converting the response message into a wireless message; the first forwarding module is further configured to output the wireless packet to a corresponding wireless terminal.
A wireless access device, comprising: the first message receiving module is used for receiving a wireless data message sent by a wireless terminal; the message conversion module is used for converting the wireless data message into a wired data message; a forwarding mode determining module, configured to determine a forwarding mode of the wired data packet according to a wireless hotspot to which the wireless terminal accesses; an obtaining module, configured to obtain a target forwarding MAC address during centralized forwarding corresponding to the wireless hotspot when the forwarding mode determination module determines that the forwarding mode is the centralized forwarding mode; the message conversion module is further configured to modify a destination MAC address in the wireless data message to the target forwarding MAC address when the forwarding mode determination module determines that the forwarding mode is the centralized forwarding mode; and the first forwarding module is used for forwarding the wired data message to the wireless controller.
Drawings
FIG. 1 is a flow diagram of a data message forwarding method in one embodiment;
FIG. 2 is a flow chart of a data message forwarding method in another embodiment;
fig. 3 is a block diagram of a data packet forwarding system in an embodiment;
fig. 4 is a block diagram of the wireless access device in fig. 3;
fig. 5 is a block diagram of the wireless controller in fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In an embodiment, the data packet forwarding method may perform redirected data forwarding based on a two-layer lan, that is, both a wireless access device (AP) and a wireless controller (AC) are connected in the same lan, so that the AP may quickly access the AC. In addition, the AP does not need to support a three-layer forwarding function, so that the requirement on the AP is reduced. Referring to fig. 1, the data message forwarding method includes the following steps:
step S110, receiving a wireless data packet sent by the wireless terminal.
And the wireless terminal (STA) is connected with the wireless hotspot, is accessed to the wireless network and then sends a wireless data message to the AP. The STA may be a terminal device having a wireless communication function, such as a smartphone, a tablet, or a computer. And the AP receives the wireless data message sent by the STA. In one embodiment, the AP needs to receive the radio configuration parameters sent by the AC before performing step S110. The wireless configuration parameters include SSID (service set identifier) of the wireless hotspot, a forwarding mode corresponding to the wireless hotspot, and a target forwarding MAC address during centralized forwarding. In another embodiment, the radio configuration parameters sent by the AC further include some basic radio information, such as channel mode, channel bandwidth, transmission power, number of SSIDs, and specific parameters of each SSID. The channel mode includes 2.4G channels, the main values include 1-13 and auto modes, and the dual-band AP further includes 5G channels, the main values are 149, 153, 157, 161 and auto. Channel bandwidth: the 2.4G channel supports two modes of 20M and 20/40M; the 5G channel supports 20M, 20/40M, 40-M,40+ M mode. Emission power: 2.4G signal transmission power, main values are auto, 100%, 75%, 50%, 25%; the dual-frequency AP also includes 5G signal transmission power, with main values of auto, 100%, 75%, 50%, 25%. In the present embodiment, each AP supports at most 4 SSIDs to be simultaneously turned on. Specific parameters of each SSID include:
SSID forwarding mode: a local forwarding mode and a centralized forwarding mode;
whether SSID starts broadcast notification: when the terminal is started, the terminal can search the Wifi signal of the SSID; when the terminal is not started, the terminal cannot search the signal, but can appoint to join;
encryption method of SSID: unencrypted and specific encryption scheme (TKIP, AES, TKIP/AES);
encryption key of SSID: a specific login password;
authentication policy of SSID: an authentication mode based on SSID is realized;
vlan id of SSID: configuring Vlan bound by SSID;
access restriction of SSID: limiting the maximum number of terminals allowed to be accessed by the specified SSID;
bandwidth limitation of SSID: and appointing the maximum uploading and downloading speed of the terminal accessing the SSID to access the network.
Step S120, converting the wireless data message into a wired data message.
The AP converts the received wireless data message into a wired data message for subsequent processing and forwarding.
Step S130, determining the forwarding mode of the wired data message according to the wireless hotspot accessed by the wireless terminal.
And determining the wireless hotspot of the STA accessed to the AP, namely determining the SSID of the wireless hotspot, wherein each SSID has a corresponding forwarding mode. Thus, the forwarding mode can be determined from the SSID. The forwarding mode includes both local forwarding and centralized forwarding. When the forwarding mode is the centralized forwarding, step S140 and the subsequent steps are performed, and when the forwarding mode is the local forwarding, step S170 is performed.
Step S140, when the forwarding mode is centralized forwarding, acquiring a target forwarding MAC address during centralized forwarding corresponding to the wireless hotspot.
The AC will issue the target forwarding MAC address when the forwarding mode of the wireless hotspot is centralized forwarding to the AP. Therefore, after determining the centralized forwarding mode, the AP can obtain the corresponding target forwarding MAC address during centralized forwarding according to the accessed wireless hotspot.
And S150, modifying the destination MAC address of the wired data message into the destination forwarding MAC address and outputting the destination forwarding MAC address.
In order to realize the two-layer forwarding of the message, the target MAC address in the wired data message obtained by converting the wireless data message is modified into the target forwarding MAC address issued by the AC, so that the message is redirected and forwarded to the AC by the two layers and is forwarded in a centralized way by the AC.
And step S160, sending the wired data message to a target server according to the target forwarding MAC address.
And the AC receives the wired data message forwarded by the AP, and forwards the wired data message to a target server according to a target forwarding MAC address in the wired data message, thereby realizing two-layer forwarding of the data message. In this embodiment, before the AC forwards the wired data packet, it needs to perform network address translation (Nat translation) on the wired data packet, that is, convert the internal IP address in the wired data packet into a global IP address and output the global IP address to the destination server. In an embodiment, the AC may also perform functions such as bandwidth management, user behavior audit, and access restriction on the user as needed. In the centralized forwarding mode, the end user's packets all arrive at the AC (also called cloud box). The AC can conveniently count the flow of the terminal, and then realize the data packet release/discard control of the user according to the corresponding bandwidth limitation configuration so as to achieve the purpose of bandwidth speed limitation. Meanwhile, the AC can conveniently count url, destination IP and destination port of a destination network accessed by the terminal, and the AC is matched with the real-name authentication function of the terminal to achieve the purpose of real-name monitoring and auditing of the wireless internet access terminal.
Step S170, when the forwarding mode is local forwarding, the wired data message is locally forwarded.
When determining that the forwarding mode of the wireless data message is local forwarding, the AP does not perform other processing on the wired data message, directly sends a packet to a WAN (wide area network) port locally, and then performs communication by forwarding through a basic route.
According to the data message forwarding method, when the data message is forwarded in a centralized manner, the data message can be forwarded in a centralized manner only by modifying the target MAC address of the data message and modifying the target MAC address into the target forwarding MAC address in a centralized forwarding mode. Compared with the traditional tunnel encapsulation forwarding mode of the message, the method has the advantages that the message is slightly modified, the message fragmentation and recombination are not needed, and the forwarding efficiency is high. Meanwhile, by adopting the method, the tunnel forwarding link does not need to be maintained, the hardware requirement is relatively low, and the product cost is favorably reduced. Moreover, the method is realized based on a two-layer network, and the AP can be quickly accessed to the AC, so that the data forwarding efficiency is further improved. In addition, the AP does not need to support a three-layer forwarding function, so that the requirement on the AP is reduced.
In an embodiment, the data packet forwarding method further includes, based on the foregoing embodiment, the following steps:
step S210, receiving a response message from the target server.
The target server responds and generates a response message after receiving the cable data message forwarded by the AC. The reply message carries the destination MAC address. The AC receives the reply message.
Step S220, forwarding the response message to the corresponding wireless access device according to the destination MAC address in the response message.
In this embodiment, when forwarding a packet between an AC and an AP, two-layer forwarding is performed according to the MAC address.
Step S230, converting the source MAC address in the response message into the MAC address corresponding to the hot spot, converting the response message into a wireless message, and outputting the wireless message to the wireless terminal.
After receiving the response message forwarded by the AC, the AP converts the source address in the response message into the MAC address of the SSID (wireless hotspot service set identifier), and then converts the message into a wireless message and outputs the wireless message to the STA (station). In other embodiments, the AP may also convert the response packet into a wireless packet, and then convert the source MAC address in the wireless packet into the MAC address of the wireless hotspot SSID. And the AP outputs the wireless message to the STA through the wireless network after the conversion is finished.
The data message forwarding method can realize data forwarding based on a two-layer network, and has the advantages of high data forwarding efficiency and low cost.
The embodiment of the invention also provides a data message forwarding system which can execute the data message forwarding method. The data packet forwarding system is shown in fig. 3, and includes a wireless access device AP and a wireless controller AC. Where the AP is connected to the AC through POE switch 310 and core switch 320. Both the core switch 320 and the AC are connected to the Internet network through a gateway router 330.
The AP includes a first packet receiving module 410, a forwarding mode determining module 420, an obtaining module 430, a packet converting module 440, and a first forwarding module 450, as shown in fig. 4. The AC then includes a second forwarding module 510 as shown in fig. 5. The first message receiving module 410 is configured to receive a wireless data message sent by a wireless terminal STA. The STA may be a terminal device having a wireless communication function, such as a smartphone, a tablet, or a computer. In this embodiment, the AC further includes a configuration parameter issuing module 520, and the AP further includes a configuration parameter receiving module 460. The configuration parameter issuing module 520 of the AC is configured to issue the wireless configuration parameters to the AP. The wireless configuration parameters include SSID (service set identifier) of the wireless hotspot, a forwarding mode corresponding to the wireless hotspot, and a target forwarding MAC address during centralized forwarding. In another embodiment, the radio configuration parameters sent by the AC further include some basic radio information, such as channel mode, channel bandwidth, transmission power, number of SSIDs, and specific parameters of each SSID. The configuration parameter receiving module 460 of the AP is configured to receive the wireless configuration parameter information sent by the AC. Therefore, the STA can be connected with the wireless hotspot according to the relevant configuration parameters, access the wireless network and send a wireless data message to the AP.
The message conversion module 440 is configured to convert the wireless data message into a wired data message.
The forwarding mode determining module 420 is configured to determine a forwarding mode of the wired data packet according to a wireless hotspot to which the wireless terminal accesses. And determining the wireless hotspot of the STA accessed to the AP, namely determining the SSID of the wireless hotspot, wherein each SSID has a corresponding forwarding mode. Thus, the forwarding mode can be determined from the SSID. The forwarding mode includes both local forwarding and centralized forwarding. The obtaining module 430 is configured to obtain a target forwarding MAC address during centralized forwarding corresponding to the wireless hotspot when the forwarding mode determining module 420 determines that the forwarding mode is centralized forwarding. In this embodiment, the AC will issue the target forwarding MAC address when the forwarding mode of the wireless hotspot is centralized forwarding to the AP. Therefore, after determining the centralized forwarding mode, the AP can obtain the corresponding target forwarding MAC address during centralized forwarding according to the accessed wireless hotspot.
The message conversion module 440 is further configured to modify the destination MAC address in the wireless data message into the target forwarding MAC address when the forwarding mode determination module 420 determines that the forwarding mode is the centralized forwarding mode. In order to realize the two-layer forwarding of the message, the target MAC address in the wired data message is modified into a target forwarding MAC address issued by the AC, so that the message is redirected and forwarded to the AC by the two layers and is forwarded in a centralized way by the AC. The message conversion module 440 is further configured to directly send a packet to the WAN port locally without performing other processing on the wired data message when the forwarding mode determination module 420 determines that the forwarding mode of the wireless data message is local forwarding, and then perform communication by forwarding through a basic route.
The first forwarding module 450 is configured to forward the wired data packet to the AC, and the AC performs centralized forwarding. The second forwarding module 510 of the AC is configured to forward the wireless data packet to the target server. In this embodiment, the AC also includes a network address translation module 530. The network address translation module 530 is configured to translate the internal IP address in the wired data packet into a global IP address, and then forward the global IP address to the destination server by the second forwarding module 510.
According to the data message forwarding system, when the data message is forwarded in a centralized manner, the data message can be forwarded in a centralized manner only by modifying the target MAC address of the data message and modifying the target MAC address into the target forwarding MAC address in a centralized forwarding mode. Compared with the traditional tunnel encapsulation forwarding mode of the message, the system has the advantages that the message modification is small, the message fragmentation and recombination are not needed, and the forwarding efficiency is high. Meanwhile, by adopting the system, the tunnel forwarding link does not need to be maintained, the hardware requirement is relatively low, and the product cost is favorably reduced. Moreover, the system is realized based on a two-layer network, and the AP can be quickly accessed to the AC, so that the data forwarding efficiency is further improved. In addition, the AP does not need to support a three-layer forwarding function, so that the requirement on the AP is reduced.
In an embodiment, the AC further includes a second message receiving module 540. The second message receiving module 540 is configured to receive a response message responded by the target server. The target server responds and generates a response message after receiving the cable data message forwarded by the AC. The reply message carries the destination MAC address. The second message receiving module 540 receives the response message. The second forwarding module 510 is configured to forward the response packet to the corresponding AP according to the destination MAC address in the response packet. The first data packet receiving module 410 in the AP is further configured to receive the response packet. The message conversion module 440 is configured to convert the source MAC address in the response message into the MAC address of the corresponding hotspot and convert the response message into a wireless message. The message conversion module 440 converts the source address in the reply message into the MAC address of the SSID of the wireless hotspot, and then converts the message into a wireless message. In other embodiments, the message conversion module 440 may also convert the response message into a wireless message, and then convert the source MAC address in the wireless message into the MAC address of the wireless hotspot SSID. The message conversion module 440 outputs the wireless message to the STA through the wireless network through the first forwarding module 450 after the conversion is completed.
The data message forwarding system realizes data forwarding based on a two-layer network, and has the advantages of high data forwarding efficiency and low cost.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A data message forwarding method comprises the following steps:
controlling wireless access equipment to receive a wireless data message sent by a wireless terminal;
controlling the wireless access equipment to convert the wireless data message into a wired data message;
controlling the wireless access equipment to determine a forwarding mode of the wired data message according to a wireless hotspot accessed by the wireless terminal;
when the forwarding mode is a centralized forwarding mode, controlling the wireless access equipment to acquire a target forwarding MAC address corresponding to the wireless hotspot during centralized forwarding; wherein the target forwarding MAC address is from a wireless controller;
modifying the destination MAC address of the wired data message into the destination forwarding MAC address and outputting the destination forwarding MAC address; and
sending the wired data message to a target server according to the target forwarding MAC address;
wherein the wireless access device and the wireless controller are connected in the same local area network.
2. The method according to claim 1, wherein the step of receiving the wireless data packet transmitted by the wireless terminal is preceded by the step of:
receiving wireless configuration parameters; the wireless configuration parameters comprise an SSID of a wireless hotspot, a forwarding mode corresponding to the wireless hotspot and a target forwarding MAC address during centralized forwarding.
3. The method according to claim 1, wherein after the step of modifying the destination MAC address of the wire data packet to the destination forwarding MAC address and outputting the modified destination MAC address, and before the step of sending the wire data packet to a destination server according to the destination forwarding MAC address, the method further comprises a step of performing network address translation on the wire data packet.
4. The method of claim 1, further comprising:
receiving a response message responded by the target server;
forwarding the response message to corresponding wireless access equipment according to the destination MAC address in the response message;
and converting the source MAC address in the response message into the MAC address of the corresponding wireless hotspot, converting the response message into a wireless message and outputting the wireless message to the corresponding wireless terminal.
5. The method of claim 1, wherein the wire data packet is forwarded locally when the forwarding mode is a local forwarding mode.
6. A data message forwarding system comprises a wireless access device and a wireless controller, and is characterized in that the wireless access device comprises a first message receiving module, a forwarding mode determining module, an obtaining module, a message converting module and a first forwarding module; the wireless controller comprises a second message forwarding module;
the first message receiving module is used for receiving a wireless data message sent by a wireless terminal;
the message conversion module is used for converting the wireless data message into a wired data message;
the forwarding mode determining module is used for determining the forwarding mode of the wired data message according to the wireless hotspot accessed by the wireless terminal;
the obtaining module is used for obtaining a target forwarding MAC address corresponding to the wireless hotspot during centralized forwarding when the forwarding mode determining module determines that the forwarding mode is the centralized forwarding mode; the target forwarding MAC address is from the wireless controller;
the message conversion module is further configured to modify a destination MAC address in the wired data message to the target forwarding MAC address when the forwarding mode determination module determines that the forwarding mode is the centralized forwarding mode;
the first forwarding module is used for forwarding the wired data message to the wireless controller;
the second forwarding module is used for forwarding the wired data message to a target server;
wherein the wireless access device and the wireless controller are connected in the same local area network.
7. The system according to claim 6, wherein the wireless controller further comprises a configuration parameter issuing module configured to issue wireless configuration parameters to the wireless access device; the wireless configuration parameters comprise an SSID of a wireless hotspot, a forwarding mode corresponding to the wireless hotspot and a target forwarding MAC address during centralized forwarding;
the wireless access device further comprises a configuration parameter receiving module, configured to receive the wireless configuration parameter.
8. The datagram forwarding system of claim 6, wherein the wireless controller further includes a network address translation module for performing network address translation on the wired datagram.
9. The data packet forwarding system of claim 6 wherein the wireless controller further comprises a second packet receiving module; the second message receiving module is used for receiving a response message responded by the target server;
the second forwarding module is configured to forward the response packet to the corresponding wireless access device according to the destination MAC address in the response packet;
the first data message receiving module is further configured to receive the response message;
the message conversion module is also used for converting the source MAC address in the response message into the MAC address corresponding to the wireless hotspot and converting the response message into a wireless message;
the first forwarding module is further configured to output the wireless packet to a corresponding wireless terminal.
10. A wireless access device, comprising:
the first message receiving module is used for receiving a wireless data message sent by a wireless terminal;
the message conversion module is used for converting the wireless data message into a wired data message;
a forwarding mode determining module, configured to determine a forwarding mode of the wired data packet according to a wireless hotspot to which the wireless terminal accesses;
an obtaining module, configured to obtain a target forwarding MAC address during centralized forwarding corresponding to the wireless hotspot when the forwarding mode determination module determines that the forwarding mode is the centralized forwarding mode; the target forwarding MAC address is from a wireless controller;
the message conversion module is further configured to modify a destination MAC address in the wired data message to the target forwarding MAC address when the forwarding mode determination module determines that the forwarding mode is the centralized forwarding mode; and
the first forwarding module is used for forwarding the wired data message to the wireless controller;
the wireless access equipment and the wireless controller are connected in the same local area network.
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| CN105959223A (en) * | 2016-04-26 | 2016-09-21 | 杭州华三通信技术有限公司 | Message forwarding method and apparatus |
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