CN113014554B - Automatic switching method and system for internet surfing channels, ONU (optical network Unit) equipment and OLT (optical line terminal) equipment - Google Patents
Automatic switching method and system for internet surfing channels, ONU (optical network Unit) equipment and OLT (optical line terminal) equipment Download PDFInfo
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- CN113014554B CN113014554B CN202110182795.2A CN202110182795A CN113014554B CN 113014554 B CN113014554 B CN 113014554B CN 202110182795 A CN202110182795 A CN 202110182795A CN 113014554 B CN113014554 B CN 113014554B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0073—Provisions for forwarding or routing, e.g. lookup tables
Abstract
The invention discloses a method and a system for automatically switching a surfing channel, ONU equipment and OLT equipment, wherein the method comprises the following steps: receiving an authentication channel and a data channel sent by an OLT device; acquiring identity verification information sent by terminal equipment; the authentication information is sent to a server through the authentication channel, and an authentication passing result returned by the server is received; and according to the authentication passing result, sending the data information from the terminal equipment to the server through the data channel. The invention can realize the automatic switching of the internet access channel and ensure the safety of network access.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a system for automatically switching a network access channel, and an ONU device and an OLT device.
Background
A passive optical network system is generally composed of an OLT (Optical Line Terminal ) and an ONU (Optical Network Unit, optical network unit). Hereinafter, ONUs refer to SFU-type ONUs. The OLT is responsible for providing convergence and distribution of the two-layer service at the core network side, the ONU is responsible for providing access and convergence functions of the two-layer service at the user side, the SFU ONU does not carry data, and all the configuration data are issued by the source OLT or a third-party server.
In the passive optical network system, the OLT may issue a network access channel (mainly configured to be distinguished by a different virtual local area network, or may be other distinguishing items) to be configured to the ONU, and the ONU configures and controls the forwarding behavior of the data.
The configuration and implementation modes of the traditional ONU Internet surfing channel are as follows: if the OLT issues a VLAN50 to an ONU, the ONU is notified of a packet from the LAN (Local Area Network ) side, and the VLAN50 is put on and forwarded from the ONU's WAN (Wide Area Network ) side. Meanwhile, after the ONU WAN side receives the data packet of the VLAN50, the VLAN50 is stripped off, and then the data packet is forwarded from the corresponding LAN.
Traditional ONU fixed internet access channel shortcomings:
1. authentication capability without security channels: the LAN access can acquire the internet service no matter what the device is, so there is a hidden danger in the security access of the internet.
2. The internet access channel cannot be flexibly switched: the channel issued by the OLT is generally pre-configured and fixed on the OLT, and then issued to the ONU, so that automatic switching cannot be realized.
Therefore, a method is needed to be provided to realize the automatic switching of the internet access channel and ensure the security of network access.
Disclosure of Invention
According to the method and the system for automatically switching the Internet surfing channels, the ONU equipment and the OLT equipment, the Internet surfing channels can be automatically switched, and the safety of network access is ensured.
The invention provides an automatic switching method of a network access channel, which is applied to ONU equipment, and comprises the following steps:
receiving an authentication channel and a data channel sent by an OLT device;
acquiring identity verification information sent by terminal equipment;
the authentication information is sent to a server through the authentication channel, and an authentication passing result returned by the server is received;
and according to the authentication passing result, sending the data information from the terminal equipment to the server through the data channel.
Preferably, the method further comprises:
and receiving a communication protocol address sent by the OLT equipment, and communicating with the server through the OLT equipment by utilizing the communication protocol address.
Preferably, the method further comprises:
and receiving the broadcast information sent by the terminal equipment, and sending response information to the terminal equipment according to the broadcast information so as to inform the terminal equipment to send the identity verification information.
The invention also provides an automatic switching method of the internet surfing channel, which is applied to the OLT equipment and comprises the following steps:
the authentication channel and the data channel are sent to the ONU equipment;
receiving the authentication information sent by the ONU equipment through the authentication channel, forwarding the authentication information to the server, and forwarding the authentication passing result sent by the server to the ONU equipment;
and receiving data information sent by the ONU equipment through the data channel, and forwarding the data information to the server.
Preferably, the method further comprises:
and receiving channel data sent by the server, and analyzing the channel data to obtain the authentication channel and the data channel.
Preferably, the method further comprises:
and receiving the message data sent by the server, analyzing the message data to obtain a communication protocol address, and sending the communication protocol address to the ONU equipment, wherein the communication protocol address is used for the ONU equipment to communicate with the server.
The invention also provides an automatic switching method of the internet surfing channel, which is applied to the server and comprises the following steps:
transmitting an authentication channel and a data channel to an OLT device, so as to transmit the authentication channel and the data channel to an ONU device through the OLT device;
receiving the authentication information sent by the OLT equipment, verifying the authentication information, and after the authentication information passes, sending an authentication passing result to the OLT equipment so as to send the authentication passing result to the ONU equipment through the OLT equipment; the identity verification information is information sent by the ONU equipment and received by the OLT equipment through the authentication channel;
and receiving data information sent by the OLT equipment, wherein the data information is information which is received by the OLT equipment through the data channel and sent by the ONU equipment.
The invention also provides an ONU device, which comprises:
the channel receiving module is used for receiving the authentication channel and the data channel which are sent by the OLT equipment;
the identity verification information acquisition module is used for acquiring the identity verification information sent by the terminal equipment;
the authentication information sending module is used for sending the authentication information to a server through the authentication channel and receiving an authentication passing result returned by the server;
and the data information sending module is used for sending the data information from the terminal equipment to the server through the data channel according to the authentication passing result.
The invention also provides an OLT apparatus comprising:
the channel sending module is used for sending the authentication channel and the data channel to the ONU equipment;
the identity information forwarding module is used for receiving the identity verification information sent by the ONU equipment through the authentication channel, forwarding the identity verification information to the server, and forwarding the identity verification passing result sent by the server to the ONU equipment;
and the data information forwarding module is used for receiving the data information sent by the ONU equipment through the data channel and forwarding the data information to the server.
The invention also provides an automatic switching system of the internet surfing channel, which comprises the ONU equipment and the OLT equipment.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
according to the method and the system for automatically switching the internet surfing channels, the ONU equipment and the OLT equipment, the server transmits the authentication channels and the data channels to the ONU equipment, the ONU equipment transmits the authentication information of the terminal equipment to the server for authentication, after the authentication is passed, the ONU equipment can switch the channels, select the data channels for data transmission, if the authentication is not passed, the authentication channels are continuously selected for data transmission, so that the fact that the users which are not passed can only enjoy the services of the authentication channels but not the services of the data channels can be ensured, the safety isolation of data access is realized, and the safety of network access is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an automatic switching system for Internet surfing channels provided by the present invention;
fig. 2 is a flowchart of an automatic switching method of a network access channel applied to an ONU device provided by the present invention;
fig. 3 is a flowchart of an automatic switching method of a network access channel applied to OLT equipment provided by the present invention;
FIG. 4 is a flowchart of the method for automatically switching the Internet surfing channels applied to the server;
fig. 5 is a flowchart of a method for automatically switching a network access channel according to another embodiment of the present invention.
Detailed Description
In order to make the technical solution more clearly understood by those skilled in the art, the following detailed description is made with reference to the accompanying drawings.
The invention provides an automatic switching method of a surfing channel, which is applied to ONU (Optical Network Unit ) equipment in an automatic switching system of the surfing channel shown in fig. 1, wherein ONU equipment 4 and OLT equipment 2 are connected through an optical splitter 3. As shown in fig. 2, the method for automatically switching the internet surfing channel includes:
s11, receiving an authentication channel and a data channel sent by an OLT (Optical Line Terminal ) device; wherein the data channels may be one or more. The authentication channel and the data channel may be different VLAN (Virtual Local Area Network ) packets.
S12, acquiring the identity verification information sent by the terminal equipment 5.
S13, the authentication information is sent to the server 1 through the authentication channel, and an authentication passing result returned by the server 1 is received.
And S14, according to the authentication passing result, data information from the terminal equipment 5 is sent to the server 1 through a data channel.
The authentication information may include a user name and an authentication password, the server 1 may configure the user name and the authentication password of the user authentication first, the server 1 may compare the user name and the authentication password from the terminal device 5 with the user name and the authentication password configured in the server 1, and if the user name and the authentication password match, it is determined that the authentication passes.
After the authentication is passed, a public key for encrypting the data information may be further included in the authentication result issued by the server 1. Here, the OLT apparatus 2 supports a GPON (i.e., gigabit-capable passive optical network) standard protocol.
In addition, the ONU device 4 may support the 802.1X protocol and the Radius protocol, support the basic flow of 802.1X authentication, and process and analyze the channel switching value on the Radius message, and determine the channel to be selected by the ONU device 4 for sending the data information according to the channel switching value. The automatic switching method of the internet surfing channel further comprises the following steps:
the communication protocol address transmitted by the OLT apparatus 2 is received, and the server 1 is communicated with the OLT apparatus 2 by using the communication protocol address. The communication protocol address may be an IP (Internet Protocol ) address.
The ONU device 4 can access the server 1 via an IP address, the ONU device 4 being the central point of the authentication pass result (which may be an authentication protocol 802.1X message).
The ONU device 4 supports the iphest function, the OLT device 2 transmits the communication protocol address in the form of OMCI (ONU Management and Control Interface, optical network unit management control interface) protocol, and the ONU device 4 configures the communication protocol address (i.e., IP address) through an OMCI message transmitted by the OLT device 2.
The automatic switching method of the internet surfing channel further comprises the following steps:
receiving the broadcast information sent by the terminal device 5, and sending response information to the terminal device 5 according to the broadcast information to inform the terminal device 5 to send the authentication information.
The invention also provides an automatic switching method of the internet surfing channel, which is applied to the OLT equipment 2, as shown in figure 3, and comprises the following steps:
s21, the transmission authentication channel and the data channel are transmitted to the ONU device 4.
S22, receiving the authentication information sent by the ONU equipment 4 through the authentication channel, forwarding the authentication information to the server 1, and forwarding the authentication passing result sent by the server 1 to the ONU equipment 4.
S23, the data information sent by the ONU device 4 is received through the data channel, and the data information is forwarded to the server 1.
The automatic switching method of the internet surfing channel further comprises the following steps:
and receiving channel data sent by the server 1, and analyzing the channel data to obtain an authentication channel and a data channel.
The automatic switching method of the internet surfing channel further comprises the following steps:
and receiving the message data sent by the server 1, analyzing the message data to obtain a communication protocol address, and sending the communication protocol address to the ONU equipment 4, wherein the communication protocol address is used for the ONU equipment 4 to communicate with the server 1.
Specifically, the OLT device 2 configures an iphest function of the ONU device 4, and configures a general IP address to the ONU device 4.
The invention also provides an automatic switching method of the internet surfing channel, which is applied to the server 1, wherein the server 1 can be a Radius (Remote Authentication Dial In User Service, remote user dialing authentication service) server 1, the server 1 is hung in a network connected to an upper port of the OLT equipment 2, and as shown in fig. 4, the automatic switching method of the internet surfing channel comprises the following steps:
s31, transmitting the authentication channel and the data channel to the OLT apparatus 2, so as to transmit the authentication channel and the data channel to the ONU apparatus 4 through the OLT apparatus 2.
S32, receiving the identity verification information sent by the OLT equipment 2, verifying the identity verification information, and after the identity verification information is verified, sending an identity verification passing result to the OLT equipment 2 so as to send the identity verification passing result to the ONU equipment 4 through the OLT equipment 2; the authentication information is information sent by the ONU device 4 received by the OLT device 2 through the authentication channel.
And S33, receiving data information sent by the OLT equipment 2, wherein the data information is information which is received by the OLT equipment 2 through a data channel and sent by the ONU equipment 4.
As shown in fig. 5, in a specific embodiment, a terminal device such as a PC (Personal Computer ) device, a mobile phone, a tablet computer, etc. accesses a LAN (Local Area Network ) side of the ONU device 4, and broadcasts EAPOL (Extensible Authentication Protocol Over LAN, extended authentication protocol based on local area network) to start, and the ONU device 4 replies EAPOL response/identity to the network device.
The terminal equipment submits a user name and a password to the ONU equipment 4, the ONU equipment 4 pushes the user name and the password to the Radius server 1 through a Radius protocol, the Radius server 1 compares the user name and the password with the user name and the password which are locally configured according to the reported user name and the password, if the user name and the password are consistent with the user name and the password which are locally configured, an authentication success message is returned, a channel switching value is placed in the Radius protocol and is sent to the ONU equipment 4, the ONU equipment 4 selectively switches to a data channel according to the channel switching value, and subsequent data information is sent to the Radius server 1 through the channel. If the reported user name and password are inconsistent with the local user name and password, returning an authentication failure message to the ONU equipment 4.
After receiving the authentication success message, the ONU device 4 analyzes the channel switching value from the message and stores the channel switching value in the local, and the ONU device 4 starts to switch channels from the original authentication channel to the data channel, so that the data information sent by the terminal device will go through the data channel and no longer goes through the original authentication channel.
When the ONU device 4 receives the authentication failure message, the data information sent by the terminal device continues to go through the original authentication channel.
The channel switching on the ONU device 4 is based on the 802.1X protocol, and only after the user authentication is passed, the channel switching is performed from the authentication channel to the data channel. The channel value for switching is issued by the server 1, so that better security control over the original network can be realized.
The present invention also provides an ONU apparatus 4, the ONU apparatus 4 comprising: the system comprises a channel receiving module, an identity verification information acquisition module, an identity verification information sending module and a data information sending module.
The channel receiving module is configured to receive an authentication channel and a data channel sent by the OLT apparatus 2.
The authentication information acquisition module is used for acquiring authentication information sent by the terminal equipment 5.
The authentication information sending module is used for sending the authentication information to the server 1 through the authentication channel and receiving an authentication passing result returned by the server 1.
The data information sending module is used for sending the data information from the terminal equipment 5 to the server 1 through the data channel according to the authentication passing result.
The ONU apparatus 4 further includes: the device comprises an address receiving module and a response module.
The address receiving module is configured to receive a communication protocol address sent by the OLT apparatus 2, and communicate with the server 1 through the OLT apparatus 2 by using the communication protocol address. The response module is used for receiving the broadcast information sent by the terminal equipment 5, and sending response information to the terminal equipment 5 according to the broadcast information so as to inform the terminal equipment 5 to send the identity verification information.
The present invention also provides an OLT apparatus 2, the OLT apparatus 2 comprising: the device comprises a channel sending module, an identity information forwarding module and a data information forwarding module.
The channel sending module is used for sending the authentication channel and the data channel to the ONU device 4.
The identity information forwarding module is used for receiving the identity verification information sent by the ONU equipment 4 through the authentication channel, forwarding the identity verification information to the server 1, and forwarding the identity verification passing result sent by the server 1 to the ONU equipment 4.
The data information forwarding module is configured to receive data information sent by the ONU device 4 through a data channel, and forward the data information to the server 1.
The OLT apparatus 2 further includes:
the channel analysis module is used for receiving the channel data sent by the server 1 and analyzing the channel data to obtain an authentication channel and a data channel.
The communication address acquisition module is used for receiving the message data sent by the server 1, analyzing the message data to obtain a communication protocol address, and sending the communication protocol address to the ONU equipment 4, wherein the communication protocol address is used for the ONU equipment 4 to communicate with the server 1.
The invention also provides an automatic switching system of the internet surfing channel, as shown in fig. 1, the automatic switching system of the internet surfing channel comprises the ONU equipment 4 and the OLT equipment 2, wherein the ONU equipment 4 is connected with the OLT equipment 2 through the optical splitter 3, the optical splitter 3 is respectively connected with the ONU equipment 4 and the OLT equipment 2 through optical fibers, and the optical splitter 3 can divide one path of light between the optical splitter 3 and the OLT equipment 2 into multiple paths of light to be output to the ONU equipment 4.
In summary, according to the method and system for automatically switching the internet surfing channel, and the ONU device 4 and the OLT device 2 provided by the present invention, the server 1 issues the authentication channel and the data channel to the ONU device 4, the ONU device 4 sends the authentication information of the terminal device 5 to the server 1 for authentication, after the authentication is passed, the channel switching can be performed, the data channel is selected for data transmission, if the authentication is not passed, the authentication channel is continuously selected for data transmission, so that it is ensured that the user who is not passed in authentication can only enjoy the service of the authentication channel, but not the service of the data channel, and the security isolation of data access is realized.
Based on the invention, the client types are distinguished according to the user name in the identity authentication process, and the client types can be divided into temporary users and common clients, so that the network authority function of the temporary users can be rapidly realized, and different access treatments can be obtained for users with different levels. Therefore, the original network is improved based on security upgrading under the condition that the original network structure of the user side is not changed, and the security and the maneuverability of the network are improved.
In the passive optical network system architecture, the function of dynamically switching channels is finished by placing the functions on the ONU side, so that the coupling of networking can be greatly reduced, the networking cost is reduced, and meanwhile, the data stream forwarding processing burden of the OLT is also reduced.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. An automatic switching method for a network access channel, which is characterized by being applied to an ONU device, comprises the following steps:
receiving an authentication channel and a data channel sent by an OLT device; the authentication channel and the data channel are received from a server for the OLT apparatus;
acquiring identity verification information sent by terminal equipment;
the authentication information is sent to a server through the authentication channel, and an authentication passing result or an authentication failure result returned by the server is received;
according to the authentication passing result, sending the data information from the terminal equipment to the server through the data channel, wherein the method comprises the following steps: after receiving an authentication success message sent by a server, resolving a channel switching value from the message, storing the channel switching value in a local area, determining a data channel to be selected for sending data information according to the channel switching value, and switching from an original authentication channel to the data channel;
according to the authentication failure result, data information from the terminal equipment is sent to the server through the authentication channel, and the method comprises the following steps: after receiving the authentication failure message sent by the server, the sent data information continues to walk through the original authentication channel.
2. The method for automatically switching a network access channel according to claim 1, further comprising:
and receiving a communication protocol address sent by the OLT equipment, and communicating with the server through the OLT equipment by utilizing the communication protocol address.
3. The method for automatically switching a network access channel according to claim 1, further comprising:
and receiving the broadcast information sent by the terminal equipment, and sending response information to the terminal equipment according to the broadcast information so as to inform the terminal equipment to send the identity verification information.
4. An automatic switching method for a surfing channel is characterized by being applied to an OLT device, and comprises the following steps:
receiving channel data sent by a server, and analyzing the channel data to obtain an authentication channel and a data channel;
the authentication channel and the data channel are sent to the ONU equipment;
the authentication channel is used for receiving the authentication information sent by the ONU equipment, forwarding the authentication information to the server, forwarding an authentication passing result or an authentication failure result sent by the server to the ONU equipment, analyzing a channel switching value from an authentication success message sent by the server after the ONU equipment receives the authentication success message, storing the channel switching value in the local, determining a data channel to be selected for sending data information according to the channel switching value, switching the data channel from an original authentication channel to the data channel, and continuing to walk the original authentication channel by the sent data information after receiving the authentication failure message sent by the server;
when the authentication passing result sent by the server is received, receiving data information sent by the ONU equipment through the data channel, and forwarding the data information to the server; and when the authentication failure result sent by the server is received, receiving data information sent by the ONU equipment through the authentication channel, and forwarding the data information to the server.
5. The method for automatically switching a network access channel according to claim 4, further comprising:
and receiving the message data sent by the server, analyzing the message data to obtain a communication protocol address, and sending the communication protocol address to the ONU equipment, wherein the communication protocol address is used for the ONU equipment to communicate with the server.
6. An automatic switching method of a network access channel is characterized by being applied to a server, and comprises the following steps:
transmitting an authentication channel and a data channel to an OLT device, so as to transmit the authentication channel and the data channel to an ONU device through the OLT device;
receiving the identity verification information sent by the OLT equipment, and verifying the identity verification information;
after the authentication information passes the authentication, sending an authentication passing result to the OLT equipment, so that the OLT equipment sends the authentication passing result to the ONU equipment, so that the ONU equipment analyzes a channel switching value from an authentication success message sent by a server and stores the channel switching value in a local place after receiving the authentication success message, and determines a data channel to be selected for sending data information according to the channel switching value, and switches from an original authentication channel to the data channel; the identity verification information is information sent by the ONU equipment and received by the OLT equipment through the authentication channel; receiving data information sent by the OLT equipment, wherein the data information is information which is received by the OLT equipment through the data channel and sent by the ONU equipment;
or after the authentication information fails to be authenticated, sending an authentication failure result to the OLT equipment so as to send the authentication failure result to the ONU equipment through the OLT equipment, so that the ONU equipment can continue to walk through an original authentication channel after receiving an authentication failure message sent by a server; and receiving data information sent by the OLT equipment, wherein the data information is information which is received by the OLT equipment through the authentication channel and sent by the ONU equipment.
7. An ONU apparatus, comprising:
the channel receiving module is used for receiving the authentication channel and the data channel which are sent by the OLT equipment; the authentication channel and the data channel are received from a server for the OLT apparatus;
the identity verification information acquisition module is used for acquiring the identity verification information sent by the terminal equipment;
the authentication information sending module is used for sending the authentication information to a server through the authentication channel and receiving an authentication passing result or an authentication failure result returned by the server;
the data information sending module is configured to send data information from the terminal device to the server through the data channel according to the authentication passing result, and includes: after receiving an authentication success message sent by a server, resolving a channel switching value from the message, storing the channel switching value in a local area, determining a data channel to be selected for sending data information according to the channel switching value, and switching from an original authentication channel to the data channel; or, the method is used for sending the data information from the terminal device to the server through the authentication channel according to the authentication failure result, and includes: after receiving the authentication failure message sent by the server, the sent data information continues to walk through the original authentication channel.
8. An OLT apparatus, comprising:
the channel sending module is used for receiving the channel data sent by the server and analyzing the channel data to obtain an authentication channel and a data channel; the authentication channel and the data channel are sent to the ONU equipment;
the identity information forwarding module is used for receiving the identity verification information sent by the ONU equipment through the authentication channel, forwarding the identity verification information to the server, forwarding an identity verification passing result or an identity verification failure result sent by the server to the ONU equipment, so that the ONU equipment analyzes a channel switching value from an authentication success message sent by the server after receiving the authentication success message and stores the channel switching value in the local, determines a data channel to be selected for sending data information according to the channel switching value, switches the data channel from an original authentication channel to the data channel, and continues to walk the original authentication channel after receiving the authentication failure message sent by the server;
the data information forwarding module is used for receiving data information sent by the ONU equipment through the data channel and forwarding the data information to the server when the authentication passing result sent by the server is received; and when the authentication failure result sent by the server is received, receiving data information sent by the ONU equipment through the authentication channel, and forwarding the data information to the server.
9. An automatic switching system for a surfing channel, comprising the ONU device according to claim 7 and the OLT device according to claim 8.
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| CN115118524B (en) * | 2022-08-22 | 2022-11-15 | 南京沁恒微电子股份有限公司 | Interface equipment and free intercommunication data transparent transmission method, system and device of Internet of things |
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