WO2012079473A1 - 自动切换网络的方法和装置、无线接入设备和中间设备 - Google Patents

自动切换网络的方法和装置、无线接入设备和中间设备 Download PDF

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Publication number
WO2012079473A1
WO2012079473A1 PCT/CN2011/083433 CN2011083433W WO2012079473A1 WO 2012079473 A1 WO2012079473 A1 WO 2012079473A1 CN 2011083433 W CN2011083433 W CN 2011083433W WO 2012079473 A1 WO2012079473 A1 WO 2012079473A1
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WO
WIPO (PCT)
Prior art keywords
wireless access
access device
network
wireless
intermediate device
Prior art date
Application number
PCT/CN2011/083433
Other languages
English (en)
French (fr)
Inventor
沈凌光
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to EP11849566.2A priority Critical patent/EP2574101B1/en
Priority to JP2013520963A priority patent/JP5674934B2/ja
Publication of WO2012079473A1 publication Critical patent/WO2012079473A1/zh
Priority to US13/731,792 priority patent/US8908580B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface
    • H04W36/144Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1446Reselecting a network or an air interface over a different radio air interface technology wherein at least one of the networks is unlicensed
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/34Reselection control
    • H04W36/38Reselection control by fixed network equipment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/22Manipulation of transport tunnels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/04Interfaces between hierarchically different network devices
    • H04W92/045Interfaces between hierarchically different network devices between access point and backbone network device

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and apparatus for automatically switching a network, a wireless access device, and an intermediate device.
  • WAN Wide Area Network
  • LAN Local Area Networks
  • the bridge When the user accesses the network through the wired network, the bridge is connected to the IP layer through the LAN interface, and the other side of the WAN interface that interfaces with the IP layer is connected to the wired network, so that the LAN user can access the network through the wired network.
  • This solution can only enable users to access the network at a certain location, and does not allow users to experience the convenience of mobile Internet access.
  • the inventors have found that at least the following problems exist in the prior art: In the prior art, for the same user, only one of the wired network or the wireless network can be selected to access the network, and it is difficult for the user to enjoy the convenience brought by the wireless network and enjoy the stability of the wired network bandwidth. .
  • Embodiments of the present invention provide a method and apparatus for automatically switching a network, a wireless access device, and an intermediate device, which can automatically switch between a wireless network and a wired network, so that the user can enjoy the convenience brought by the wireless network, and You can enjoy the stability of the wired network bandwidth.
  • a method for automatically switching networks including:
  • the wireless access device After the wireless access device establishes a connection with the intermediate device, the wireless access device receives an indication message sent by the intermediate device, where the indication message indicates that the wireless access device switches from the currently connected wireless network to the wired network;
  • the wireless access device connects to the wired network through the intermediate device according to the indication message, and disconnects the wireless network;
  • the wireless access device switches from the wired network to the wireless network.
  • a wireless access device includes:
  • a receiving module configured to: after the wireless access device establishes a connection with the intermediate device, receive an indication message sent by the intermediate device, where the indication message indicates that the wireless access device switches from the currently connected wireless network to the wired network;
  • a first switching module configured to connect to the wired network by using the intermediate device according to the indication message, and disconnect a connection with the wireless network
  • a second switching module configured to switch from the wired network to the wireless network when the connection between the wireless access device and the wired network is interrupted.
  • An intermediate device including:
  • the intermediate device is built by using the first interface module and a wireless access device Stand up
  • An indication sending module configured to send, by the first interface module, an indication message to the wireless access device after the intermediate device establishes a connection with the wireless access device, indicating that the wireless access device is connected from the current connection
  • the wireless network switches to the wired network
  • the second interface module the intermediate device establishes a connection with the home gateway through the second interface module, where the home gateway is connected to the wired network.
  • An intermediate device including:
  • the intermediate device establishes a connection with the wireless access device by using the first interface module
  • An indication sending module configured to send, by the first interface module, an indication message to the wireless access device after the intermediate device establishes a connection with the wireless access device, indicating that the wireless access device is connected from the current connection
  • the wireless network switches to the wired network
  • An apparatus for automatically switching a network comprising the wireless access device described above and any of the intermediate devices described above.
  • the method and device for automatically switching a network, the wireless access device, and the intermediate device provided by the embodiments of the present invention.
  • the wireless access device After the wireless access device establishes a connection with the intermediate device, the wireless access device can be connected to the intermediate device according to the indication of the intermediate device.
  • the wired network disconnects from the wireless network, and when the connection between the wireless access device and the wired network is disconnected, the wireless access device switches from the wired network to the wireless network.
  • the wireless access device can automatically switch between the wireless network and the wired network, and the user can enjoy the advantages of the wireless network as well as the advantages of the wired network, and can also improve the quality of the user experience.
  • Embodiment 1 is a flowchart of a method according to Embodiment 1 of the present invention.
  • Embodiment 3 is a flowchart of a method according to Embodiment 3 of the present invention.
  • FIG. 5 and FIG. 6 are schematic diagrams showing the structure of a radio access device according to Embodiment 4 of the present invention
  • FIG. 7 and FIG. 8 are schematic diagrams showing the structure of an intermediate device according to Embodiment 5 of the present invention.
  • This embodiment provides a method for automatically switching a network. As shown in FIG. 1, the method includes:
  • the wireless access device After the wireless access device establishes a connection with the intermediate device, the wireless access device receives an indication message sent by the intermediate device, where the indication message indicates that the wireless access device switches from the currently connected wireless network to the wired network.
  • the wireless access device connects to the wired network by using the intermediate device according to the indication message, and disconnects from the wireless network.
  • the intermediate device may be a bridge device, and a home gateway is further disposed between the wireless access device and the wired network, where the wireless access device passes through the intermediate device and the home gateway Wired network connection.
  • the intermediate device may be a device integrated with a home gateway function, and may be a home gateway with a USB composite device, and can communicate with the wireless access device through a USB interface.
  • the wireless access device switches from the wired network to the wireless network.
  • the method for automatically switching a network after the wireless access device establishes a connection with the intermediate device, the wireless access device can connect to the wired network through the intermediate device according to the indication of the intermediate device, and disconnect the device.
  • the connection of the wireless network when the connection between the wireless access device and the wired network is disconnected, the wireless access device switches from the wired network to the wireless network.
  • the wireless access device can automatically switch between the wireless network and the wired network, and the user can enjoy the advantages of the wireless network as well as the advantages of the wired network, and can also improve the quality of the user experience.
  • the embodiment provides a method for automatically switching a network.
  • the wireless access device is currently connected to the 3G network. After the wireless access device establishes a connection with the intermediate device, the wireless access device is connected to the home gateway through the intermediate device. To the wired network and disconnect from the 3G network, when the connection between the wireless access device and the wired network is disconnected, the wireless access device switches from the wired network to the 3G network.
  • the intermediate device may be a bridge device.
  • the method for automatically switching a network includes:
  • the wireless access device After the wireless access device establishes a connection with the intermediate device, the wireless access device receives an indication message sent by the intermediate device, where the indication message indicates that the wireless access device switches from the currently connected 3G network to the wired network, where The wireless access device and the intermediate device have corresponding USB virtual ports.
  • the wireless access device has its own DHCP (Dynamic Hosting Protocol) server, which can assign a private IP address of the customized DHCP server IP address pool to its own user equipment. . 202.
  • the wireless access device disconnects the WAN port from the 3G interface according to the indication message, and removes the USB virtual port on the LAN side from the bridge, and mounts the USB virtual port as a WAN side interface to the IP.
  • the user equipment of the wireless access device is used as the LAN side device of the wireless access device, and the intermediate device is used as the WAN side device of the wireless access device.
  • the wireless access device sets the current routing configuration, the firewall, the DNS (Doma in Name System), the NAT (Network Addres s Translating), the output interface of the network as a USB virtual port, and routes the routing interface.
  • the default gateway address of the table is set to the IP address of the intermediate device, and the public network address of the NAT is set to the gateway address of the intermediate device.
  • the wireless access device obtains a private network IP address from the home gateway.
  • the wireless access device accesses the wired network connected to the home gateway by using the intermediate device and the home gateway according to the private network IP address.
  • the home gateway may be, but is not limited to, an ADSL (Asymmetric Terminal), an asymmetric digital subscriber loop, a router, and the like.
  • ADSL Asymmetric Terminal
  • asymmetric digital subscriber loop a router, and the like.
  • the wireless access device disconnects from the 3G network.
  • the wireless access device enters the wired network connection mode.
  • the wireless access device detects that the connection between the wireless access device and the wired network is disconnected.
  • the wireless access device When the wireless access device detects that its USB virtual port is unavailable or the intermediate device cannot connect to the home gateway, it indicates that the connection between the wireless access device and the wired network is disconnected.
  • the wireless access device switches the USB virtual port from the WAN side to the LAN side, and mounts it to the bridge, and uses the user equipment accessing the wireless access device as the LAN side device of the wireless access device to start its own
  • the 3G interface functions as the WAN side interface.
  • the wireless access device sets the current routing configuration, the output interface of the firewall, the ⁇ S, and the NAT as the 3G interface, and sets the default gateway address of the routing table to the IP address obtained from the 3G network side, and the public network address of the NAT. Set to the address on the 3G network side.
  • the wireless access device sends a request for releasing the private network IP address to the home gateway, so that the wireless access device The home gateway releases the private network IP address.
  • the wireless access device establishes a connection with the 3G network.
  • the wireless access device enters the wireless network connection mode.
  • the method for automatically switching a network after the wireless access device establishes a connection with the intermediate device, the wireless access device can connect to the wired network through the intermediate device and the home gateway according to the indication of the intermediate device, and disconnect Opening a connection with the wireless network, when the connection between the wireless access device and the wired network is disconnected, the wireless access device switches from the wired network to the wireless network.
  • the wireless access device can automatically switch between the wireless network and the wired network, and the user can enjoy the advantages of the wireless network as well as the advantages of the wired network, and can also improve the quality of the user experience;
  • the intermediate device can charge the wireless access device and can improve the battery life of the wireless access device.
  • the embodiment provides a method for automatically switching a network.
  • the wireless access device is currently connected to the 3G network. After the wireless access device establishes a connection with the intermediate device, the wireless access device connects to the wired network through the intermediate device. And disconnecting from the 3G network, when the connection between the wireless access device and the wired network is disconnected, the wireless access device switches from the wired network to the 3G network.
  • the intermediate device integrates the function of the home gateway, and specifically may be a home gateway with a USB composite device, and can communicate with the wireless access device through the USB interface; or
  • the intermediate device may also be a home gateway having a composite device such as a network port or a serial port, and can communicate with the wireless access device through a network port or a serial port.
  • the method for automatically switching a network includes:
  • the wireless access device receives an indication message sent by the intermediate device, where the indication message indicates that the wireless access device switches from the currently connected 3G network to the wired network, where The wireless access device and the intermediate device have corresponding USB virtual ports.
  • the wireless access device has its own DHCP server, which can be used to access itself.
  • the device assigns a private IP address of the DHCP server IP address pool.
  • the wireless access device disconnects the WAN port from the 3G interface according to the indication message, and removes the USB virtual port on the LAN side from the bridge, and mounts the USB virtual port as a WAN side interface to the IP.
  • the user equipment of the wireless access device is used as the LAN side device of the wireless access device, and the intermediate device is used as the WAN side device of the wireless access device.
  • the wireless access device sets the current routing configuration, the firewall, the raS, and the NAT output interface as the USB virtual port, and sets the default gateway address of the routing table to the IP address of the intermediate device side, and the public network address of the NAT is set to Gateway address on the intermediate device side.
  • the intermediate device initiates a PPPOE (Point to Point Protocol over Ethernet) dialing request to the wired network, and establishes a PPP0E dialing connection with the wired network.
  • PPPOE Point to Point Protocol over Ethernet
  • the wireless access device obtains a private network IP address from the intermediate device.
  • the wireless access device accesses the wired network by using the intermediate device according to the private network IP address.
  • the step 304 can be performed at any time after the step 301 and before the step 306.
  • the wireless access device disconnects from the 3G network.
  • the wireless access device enters the wired network connection mode.
  • the wireless access device detects that the connection between the wireless access device and the wired network is disconnected.
  • the wireless access device When the wireless access device detects that its USB virtual port is unavailable or the intermediate device fails to work normally, it indicates that the connection between the wireless access device and the wired network is disconnected.
  • the wireless access device switches the USB virtual port from the WAN side to the LAN side, and mounts it to the bridge, and uses the user equipment accessing the wireless access device as the LAN side device of the wireless access device to start its own
  • the 3G interface functions as the WAN side interface.
  • the wireless access device sets the current routing configuration, the firewall, the raS, and the NAT output interface to the 3G interface, and sets the default gateway address of the routing table to the IP address obtained from the 3G network side.
  • the public network address of the NAT is set to the address on the 3G network side.
  • the wireless access device sends a request for releasing the private network IP address to the intermediate device, so that the intermediate device releases the private network IP address.
  • the intermediate device initiates a PPP0E disconnection dialing request to the wired network, and disconnects the PPP0E dial-up connection from the wired network.
  • the wireless access device establishes a connection with the 3G network.
  • the step 312 can be performed at any time after the step 308 and before the step 313. As can be seen from the above, the wireless access device enters the wireless network connection mode.
  • the method for automatically switching a network after the wireless access device establishes a connection with the intermediate device, the wireless access device can connect to the wired network through the intermediate device according to the indication of the intermediate device, and disconnect the device.
  • the connection of the wireless network when the connection between the wireless access device and the wired network is disconnected, the wireless access device switches from the wired network to the wireless network.
  • the wireless access device can automatically switch between the wireless network and the wired network, and the user can enjoy the advantages of the wireless network as well as the advantages of the wired network, and can also improve the quality of the user experience;
  • the intermediate device can charge the wireless access device and can improve the battery life of the wireless access device.
  • the embodiment provides a wireless access device.
  • the wireless access device 40 includes:
  • the receiving module 401 is configured to: after the wireless access device 40 establishes a connection with the intermediate device 41, receive an indication message sent by the intermediate device 41, where the indication message indicates that the wireless access device 40 switches from the currently connected wireless network. To the wired network;
  • the first switching module 402 is configured to connect to the wired network by using the intermediate device 41 according to the indication message, and disconnect the connection with the wireless network;
  • the second switching module 403 is configured to switch from the wired network to the wireless network when the connection between the wireless access device 40 and the wired network is interrupted. Further, as shown in FIG. 5, the wireless access device 40 has a virtual port corresponding to the intermediate device 41;
  • the first switching module 402 is specifically configured to mount the virtual port as a WAN-side interface to an IP layer, and set an current output configuration, a firewall, and an output interface of the firewall and the NAT as the virtual port, and
  • the private network IP address is obtained from the home gateway 42 , and the wired network 43 connected to the home gateway 42 is accessed through the intermediate device 41 and the home gateway 42 according to the private network IP address.
  • the second switching module 403 is specifically configured to switch the virtual port from the WAN side to the LAN side, and mount it to the bridge, and start its own wireless interface as a WAN side interface, and configure the current routing and firewall.
  • the output interface of the ⁇ S and the NAT is configured as the wireless interface, and sending a request for releasing the private network IP address to the home gateway 42, so that the home gateway 42 releases the private network IP address, establishing and The connection of the wireless network.
  • the wireless access device 40 has a virtual port corresponding to the intermediate device 41;
  • the first switching module 402 is specifically configured to mount the virtual port as a WAN-side interface to an IP layer, and set an current output configuration, a firewall, and an output interface of the firewall and the NAT as the virtual port, and Obtaining a private network IP address from the intermediate device 41, and after establishing a PPP0E dial-up connection between the intermediate device 41 and the wired network 43, accessing the intermediate device 41 according to the private network IP address Wired network 43.
  • the second switching module 403 is specifically configured to switch the virtual port from the WAN side to the LAN side, and mount it to the bridge, and start its own wireless interface as a WAN side interface, and configure the current routing and firewall. And the output interface of the ⁇ S and the NAT is set to the wireless interface, and the request for releasing the private network IP address is sent to the intermediate device 41, so that the intermediate device 41 releases the private network IP address, when After the PPP0E dial-up connection is disconnected between the intermediate device 41 and the wired network 43, a connection with the wireless network is established.
  • the radio access device shown in FIG. 5 is applicable to the method in the second embodiment
  • the radio access device shown in FIG. 6 is applicable to the method in the third embodiment.
  • the wireless access device provided by the embodiment of the present invention, after the wireless access device establishes a connection with the intermediate device, the wireless access device can connect to the wired network according to the indication of the intermediate device, and disconnect the wireless network. Connecting, when the connection between the wireless access device and the wired network is disconnected, the wireless access device switches from the wired network to the wireless network.
  • the wireless access device can automatically switch between the wireless network and the wired network, and the user can enjoy the advantages of the wireless network as well as the advantages of the wired network, and can also improve the quality of the user experience;
  • the intermediate device can charge the wireless access device and can improve the battery life of the wireless access device.
  • the embodiment provides an intermediate device.
  • the intermediate device 70 includes: a first interface module 701, where the intermediate device 70 establishes a connection with the wireless access device 71 through the first interface module 701;
  • the indication message sending module 702 is configured to: after the intermediate device 70 establishes a connection with the wireless access device 71, send an indication message to the wireless access device 71 by using the first interface module 701, indicating the wireless access The device 71 switches from the currently connected wireless network to the wired network 73;
  • the second interface module 703 establishes a connection with the home gateway 72 through the second interface module 703, wherein the home gateway 72 is connected to the wired network 73.
  • the intermediate device described in this embodiment is applicable to the method described in Embodiment 2.
  • the intermediate device provided by the embodiment of the present invention after the wireless access device establishes a connection with the intermediate device, the intermediate device can instruct the wireless access device to switch from the currently connected wireless network to the wired network, through the intermediate device and the home gateway.
  • the wireless access device can access the wired network.
  • the wireless access device can automatically switch between the wireless network and the wired network, and the user can enjoy the advantages of the wireless network as well as the advantages of the wired network, and can also improve the quality of the user experience;
  • the intermediate device can charge the wireless access device and can improve the battery life of the wireless access device.
  • Embodiment 6 The embodiment provides an intermediate device.
  • the intermediate device 80 includes: a first interface module 801, where the intermediate device 80 establishes a connection with the wireless access device 81 through the first interface module 801;
  • the indication message sending module 802 is configured to send an indication message to the wireless access device 81 through the first interface module 801 after the intermediate device 80 establishes a connection with the wireless access device 81, indicating the wireless access
  • the device 81 switches from the currently connected wireless network to the wired network 82;
  • the third interface module 803, the intermediate device 80 establishes a connection with the wired network 82 through the third interface module 803.
  • the intermediate device described in this embodiment is applicable to the method described in Embodiment 3.
  • the intermediate device provided by the embodiment of the present invention after the wireless access device establishes a connection with the intermediate device, the intermediate device can instruct the wireless access device to switch from the currently connected wireless network to the wired network, and the wireless device is connected by the intermediate device.
  • the incoming device can access the wired network.
  • the wireless access device can automatically switch between the wireless network and the wired network, and the user can enjoy the advantages of the wireless network as well as the advantages of the wired network, and can also improve the quality of the user experience;
  • the intermediate device can charge the wireless access device and can improve the battery life of the wireless access device.
  • the embodiment of the present invention further provides an apparatus for automatically switching a network, where the apparatus includes the wireless access device as described in FIG. 5 and the intermediate device as described in FIG. 7, and the structure of the wireless access device and the intermediate device may be Referring to the above embodiments, details are not described herein again;
  • the device includes the wireless access device as described in FIG. 6 and the intermediate device as described in FIG. 8.
  • the structure of the wireless access device and the intermediate device may refer to the foregoing embodiment, and details are not described herein again.
  • the device for automatically switching the network, the wireless access device, and the intermediate device provided by the embodiment of the present invention may implement the foregoing method embodiments.
  • the method and device for automatically switching networks, the wireless access device and the intermediate device provided by the embodiments of the present invention may be adapted to automatically switch between a wireless network and a wired network, but not Limited to this.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

Description

自动切换网络的方法和装置、 无线接入 i殳备和中间 i殳备 本申请要求于 2010 年 12 月 17 日提交中国专利局, 申请号为 201010593853.2、 发明名称为 "自动切换网络的方法和装置、 无线接入设备和 中间设备" 的中国专利申请, 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域, 特别涉及一种自动切换网络的方法和装置、 无线接入设备和中间设备。
背景技术
随着 3G ( 3rd-generat ion , 第三代移动通信技术) 网络的普及, 通过无 线网络上传下载数据的速率越来越高,无线网络的承载又是有限的,所以 WLAN ( Wi re les s Loca l Area Networks , 无线局 i或网)技术作为小区热点广为采 用, 一方面可以降低用户的资费, 另一方面也可以大大的减轻网络的负担, 为用户提供更高效的网络服务。
目前, 用户可以通过无线网络或者有线网络访问网络。 当用户通过无线 网络访问 3G网络时, 可以将 WAN ( Wide Area Network , 广域网) 口拨号功能 直接挂接到基带芯片的无线协议栈上, WLAN用户作为 LAN ( Loca l Area Networks , 局域网)接口通过网桥挂接到 IP层, 从而可以实现多人同时享用 一个帐户申请的带宽。 该方案一定程度上緩和了 3G网络一个小区只能接入有 限用户的缺陷, 但是作为移动设备, 受到移动网络的限制, 会有带宽不稳定、 资费偏高和续航时间有限的缺陷。
当用户通过有线网络访问网络时, 通过 LAN接口将网桥挂接到 IP层, 与 IP 层对接的 WAN接口另一侧连接到有线网络上, 从而使 LAN用户可以通过有线网 络访问网络。 该方案只能使用户固定在某一地点访问网络, 不能让用户体验 到移动上网的便捷。
在实现本发明的过程中, 发明人发现现有技术中至少存在如下问题: 在现有技术中, 对于同一个用户来说, 只能选择通过有线网络或无线网 络中的一种接入网络, 用户难以既可以享受无线网络带来的便捷, 又可以享 受有线网络带宽的稳定。
发明内容
本发明的实施例提供一种自动切换网络的方法和装置、 无线接入设备和 中间设备, 能够自动在无线网络和有线网络之间进行切换, 使用户既可以享 受无线网络带来的便捷, 又可以享受有线网络带宽的稳定。
本发明实施例采用的技术方案为:
一种自动切换网络的方法, 包括:
当无线接入设备与中间设备建立连接之后, 无线接入设备接收所述中间 设备发送的指示消息, 所述指示消息指示无线接入设备从当前连接的无线网 络切换到有线网络;
无线接入设备根据所述指示消息, 通过所述中间设备连接到所述有线网 络, 并断开与所述无线网络的连接;
当无线接入设备与所述有线网络之间的连接断开时, 无线接入设备从所 述有线网络切换到所述无线网络。
一种无线接入设备, 包括:
接收模块, 用于当无线接入设备与中间设备建立连接之后, 接收所述中 间设备发送的指示消息, 所述指示消息指示无线接入设备从当前连接的无线 网络切换到有线网络;
第一切换模块, 用于根据所述指示消息, 通过所述中间设备连接到所述 有线网络, 并断开与所述无线网络的连接;
第二切换模块, 用于当无线接入设备与所述有线网络之间的连接中断时, 从所述有线网络切换到所述无线网络。
一种中间设备, 包括:
第一接口模块, 所述中间设备通过所述第一接口模块与无线接入设备建 立连接;
指示消息发送模块, 用于在所述中间设备与无线接入设备建立连接后, 通过所述第一接口模块向所述无线接入设备发送指示消息, 指示所述无线接 入设备从当前连接的无线网络切换到有线网络;
第二接口模块, 所述中间设备通过所述第二接口模块与家庭网关建立连 接, 其中, 所述家庭网关与所述有线网络连接。
一种中间设备, 包括:
第一接口模块, 所述中间设备通过所述第一接口模块与无线接入设备建 立连接;
指示消息发送模块, 用于在所述中间设备与无线接入设备建立连接后, 通过所述第一接口模块向所述无线接入设备发送指示消息, 指示所述无线接 入设备从当前连接的无线网络切换到有线网络;
第三接口模块, 所述中间设备通过所述第三接口模块与所述有线网络建 立连接。
一种自动切换网络的装置, 所述装置包括以上所述的无线接入设备和以 上所述的任一种中间设备。
本发明实施例提供的自动切换网络的方法和装置、 无线接入设备和中间 设备, 当无线接入设备与中间设备建立连接之后, 无线接入设备能够根据中 间设备的指示, 通过中间设备连接到所述有线网络, 并断开与所述无线网络 的连接, 当无线接入设备与所述有线网络之间的连接断开时, 无线接入设备 从所述有线网络切换到所述无线网络。 与现有技术相比, 无线接入设备能够 自动在无线网络和有线网络之间进行切换, 用户既能享受无线网络的优点, 也能享受有线网络的优点, 另外还可以提高用户体验质量。 附图说明
为了更清楚地说明本发明实施例中的技术方案, 下面将对实施例描述中 所需要使用的附图作筒单地介绍, 显而易见地, 下面描述中的附图仅仅是本 发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动的 前提下, 还可以根据这些附图获得其它的附图。
图 1为本发明实施例一提供的方法流程图;
图 2为本发明实施例二提供的方法流程图;
图 3为本发明实施例三提供的方法流程图;
图 4、 图 5、 图 6为本发明实施例四提供的无线接入设备结构示意图; 图 7、 图 8为本发明实施例五提供的中间设备结构示意图。
具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行 清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而 不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有做 出创造性劳动前提下所获得的所有其它实施例, 都属于本发明保护的范围。
为使本发明技术方案的优点更加清楚, 下面结合附图和实施例对本发明 作详细说明。
实施例一
本实施例提供一种自动切换网络的方法, 如图 1所示, 所述方法包括:
101、 当无线接入设备与中间设备建立连接之后, 无线接入设备接收所述 中间设备发送的指示消息, 所述指示消息指示无线接入设备从当前连接的无 线网络切换到有线网络。
102、 无线接入设备根据所述指示消息, 通过所述中间设备连接到所述有 线网络, 并断开与所述无线网络的连接。
可选的, 所述中间设备可以为网桥设备, 则在所述无线接入设备和有线 网络之间, 还设置有家庭网关, 所述无线接入设备通过所述中间设备和家庭 网关与所述有线网络连接。 可选的, 所述中间设备可以为集成有家庭网关功能的设备, 具体可以为 具有 USB复合设备的家庭网关, 能够通过 USB接口与无线接入设备通信。
103、 当无线接入设备与所述有线网络之间的连接断开时, 无线接入设备 从所述有线网络切换到所述无线网络。
本发明实施例提供的自动切换网络的方法, 当无线接入设备与中间设备 建立连接之后, 无线接入设备能够根据中间设备的指示, 通过中间设备连接 到所述有线网络, 并断开与所述无线网络的连接, 当无线接入设备与所述有 线网络之间的连接断开时, 无线接入设备从所述有线网络切换到所述无线网 络。 与现有技术相比, 无线接入设备能够自动在无线网络和有线网络之间进 行切换, 用户既能享受无线网络的优点, 也能享受有线网络的优点, 另外还 可以提高用户体验质量。
实施例二
本实施例提供一种自动切换网络的方法, 在本实施例中, 无线接入设备 当前连接 3G网络, 当无线接入设备与中间设备建立连接之后, 无线接入设备 通过中间设备和家庭网关连接到有线网络并断开与 3G网络的连接, 当无线接 入设备与有线网络之间的连接断开时, 无线接入设备从该有线网络切换到 3G 网络。
在本实施例中, 所述中间设备可以为网桥设备。
如图 2所示, 所述自动切换网络的方法包括:
201、 当无线接入设备与中间设备建立连接之后, 无线接入设备接收中间 设备发送的指示消息, 所述指示消息指示无线接入设备从当前连接的 3G网络 切换到有线网络, 其中, 所述无线接入设备和中间设备上具有相对应的 USB虚 拟端口。
其中, 无线接入设备具有一个自己的 DHCP ( Dynamic Hos t Conf igurat ion Protocol , 动态主机配置协议)服务器, 能够向接入自己的用户设备分配自 定义 DHCP R务器 IP地址池的私网 IP地址。 202、 无线接入设备根据所述指示消息, 将 WAN口拨号从 3G接口上断开, 同时将 LAN侧的 USB虚拟端口从网桥中移除, 将 USB虚拟端口作为 WAN侧接口挂 载到 IP层, 将接入无线接入设备的用户设备作为该无线接入设备的 LAN侧设 备, 将中间设备作为该无线接入设备的 WAN侧设备。
203、无线接入设备将当前的路由配置、防火墙、 DNS( Doma in Name Sys tem, 域名系统)、 NAT ( Network Addres s Trans lat ion , 网络地址转换) 的输出接 口设置为 USB虚拟端口, 将路由表的默认网关地址设置为中间设备侧的 I P地 址, NAT的公网地址设定为中间设备侧的网关地址。
204、 无线接入设备从家庭网关获取私网 I P地址。
205、 无线接入设备根据所述私网 IP地址, 通过所述中间设备和家庭网关 接入与所述家庭网关连接的有线网络。
其中, 所述家庭网关可以为 ADSL ( Asymmet r ic Dig i ta l Subscr iber L ine , 非对称数字用户环路)、 路由器等, 但不仅限于此。
206、 无线接入设备断开与 3G网络的连接。
由上可以看出, 无线接入设备进入有线网络连接模式。
207、 无线接入设备检测到无线接入设备与所述有线网络之间的连接断 开。
其中, 当无线接入设备检测到自身的 USB虚拟端口不可用或者中间设备不 能连接家庭网关时, 表明无线接入设备与所述有线网络之间的连接断开。
208、 无线接入设备将 USB虚拟端口从 WAN侧切换到 LAN侧, 并挂载到网桥 下, 将接入无线接入设备的用户设备作为该无线接入设备的 LAN侧设备, 启动 自身的 3G接口作为 WAN侧接口。
209、 无线接入设备将当前的路由配置、 防火墙、 匪 S和 NAT的输出接口设 置为 3G接口, 将路由表的默认网关地址设置为从 3G网络侧获取的 IP地址, 将 NAT的公网地址设置为 3G网络侧的地址。
210、 无线接入设备向所述家庭网关发送释放私网 IP地址的请求, 以使所 述家庭网关释放所述私网 IP地址。
211、 无线接入设备建立与 3G网络的连接。
由上可以看出, 无线接入设备进入无线网络连接模式。
本发明实施例提供的自动切换网络的方法, 当无线接入设备与中间设备 建立连接之后, 无线接入设备能够根据中间设备的指示, 通过中间设备和家 庭网关连接到所述有线网络, 并断开与所述无线网络的连接, 当无线接入设 备与所述有线网络之间的连接断开时, 无线接入设备从所述有线网络切换到 所述无线网络。 与现有技术相比, 无线接入设备能够自动在无线网络和有线 网络之间进行切换, 用户既能享受无线网络的优点, 也能享受有线网络的优 点, 另外还可以提高用户体验质量; 此外, 中间设备能够为无线接入设备充 电, 可以提高无线接入设备的续航能力。
实施例三
本实施例提供一种自动切换网络的方法, 在本实施例中, 无线接入设备 当前连接 3G网络, 当无线接入设备与中间设备建立连接之后, 无线接入设备 通过中间设备连接到有线网络并断开与 3G网络的连接, 当无线接入设备与有 线网络之间的连接断开时, 无线接入设备从该有线网络切换到 3G网络。
与实施例二不同的是, 在本实施例中, 所述中间设备集成了家庭网关的 功能, 具体可以为具有 USB复合设备的家庭网关, 能够通过 USB接口与无线接 入设备通信; 或者, 所述中间设备也可以为具有网口、 串口等复合设备的家 庭网关, 能够通过网口、 串口等方式与无线接入设备通信。
如图 3所示, 所述自动切换网络的方法包括:
301、 当无线接入设备与中间设备建立连接之后, 无线接入设备接收中间 设备发送的指示消息, 所述指示消息指示无线接入设备从当前连接的 3G网络 切换到有线网络, 其中, 所述无线接入设备和中间设备上具有相对应的 USB虚 拟端口。
其中, 无线接入设备具有一个自己的 DHCP服务器, 能够向接入自己的用 户设备分配自定义 DHCP服务器 IP地址池的私网 IP地址。
302、 无线接入设备根据所述指示消息, 将 WAN口拨号从 3G接口上断开, 同时将 LAN侧的 USB虚拟端口从网桥中移除, 将 USB虚拟端口作为 WAN侧接口挂 载到 IP层, 将接入无线接入设备的用户设备作为该无线接入设备的 LAN侧设 备, 将中间设备作为该无线接入设备的 WAN侧设备。
303、 无线接入设备将当前的路由配置、 防火墙、 raS、 NAT的输出接口设 置为 USB虚拟端口,将路由表的默认网关地址设置为中间设备侧的 IP地址, NAT 的公网地址设定为中间设备侧的网关地址。
304、 中间设备向该有线网络发起 PPPOE ( Point to Point Protocol over Ethernet ,基于以太网的点对点协议)拨号请求,与该有线网络之间建立 PPP0E 拨号连接。
305、 无线接入设备从中间设备获取私网 I P地址。
306、 无线接入设备根据所述私网 IP地址, 通过所述中间设备接入所述有 线网络。
其中, 步骤 304可以在步骤 301之后、 步骤 306之前的任意时刻执行。
307、 无线接入设备断开与 3G网络的连接。
由上可以看出, 无线接入设备进入有线网络连接模式。
308、 无线接入设备检测到无线接入设备与所述有线网络之间的连接断 开。
其中, 当无线接入设备检测到自身的 USB虚拟端口不可用或者中间设备不 能正常工作时, 表明无线接入设备与所述有线网络之间的连接断开。
309、 无线接入设备将 USB虚拟端口从 WAN侧切换到 LAN侧, 并挂载到网桥 下, 将接入无线接入设备的用户设备作为该无线接入设备的 LAN侧设备, 启动 自身的 3G接口作为 WAN侧接口。
310、 无线接入设备将当前的路由配置、 防火墙、 raS、 NAT的输出接口设 置为 3G接口, 将路由表的默认网关地址设置为从 3G网络侧获取的 IP地址, 将 NAT的公网地址设置为 3G网络侧的地址。
311、 无线接入设备向所述中间设备发送释放私网 IP地址的请求, 以使所 述中间设备释放所述私网 IP地址。
312、 中间设备向该有线网络发起 PPP0E断开拨号请求, 与该有线网络之 间断开 PPP0E拨号连接。
313、 无线接入设备建立与 3G网络的连接。
其中, 步骤 312可以在步骤 308之后、 步骤 313之前的任意时刻执行。 由上可以看出, 无线接入设备进入无线网络连接模式。
本发明实施例提供的自动切换网络的方法, 当无线接入设备与中间设备 建立连接之后, 无线接入设备能够根据中间设备的指示, 通过中间设备连接 到所述有线网络, 并断开与所述无线网络的连接, 当无线接入设备与所述有 线网络之间的连接断开时, 无线接入设备从所述有线网络切换到所述无线网 络。 与现有技术相比, 无线接入设备能够自动在无线网络和有线网络之间进 行切换, 用户既能享受无线网络的优点, 也能享受有线网络的优点, 另外还 可以提高用户体验质量; 此外, 中间设备能够为无线接入设备充电, 可以提 高无线接入设备的续航能力。
实施例四
本实施例提供一种无线接入设备, 如图 4、 图 5、 图 6所示, 所述无线接入 设备 40包括:
接收模块 401 , 用于当无线接入设备 40与中间设备 41建立连接之后, 接收 所述中间设备 41发送的指示消息, 所述指示消息指示所述无线接入设备 40从 当前连接的无线网络切换到有线网络;
第一切换模块 402 , 用于根据所述指示消息, 通过所述中间设备 41连接到 所述有线网络, 并断开与所述无线网络的连接;
第二切换模块 403 , 用于当无线接入设备 40与所述有线网络之间的连接中 断时, 从所述有线网络切换到所述无线网络。 进一步的, 如图 5所示, 所述无线接入设备 40上具有与中间设备 41相对应 的虚拟端口;
所述第一切换模块 402 , 具体用于将所述虚拟端口作为 WAN侧接口挂载到 IP层, 将当前的路由配置、 防火墙和匪 S、 NAT的输出接口设置为所述虚拟端 口, 以及, 从家庭网关 42获取私网 IP地址, 根据所述私网 IP地址, 通过所述 中间设备 41和家庭网关 42接入与所述家庭网关 42连接的有线网络 43。
则所述第二切换模块 403 , 具体用于将所述虚拟端口从 WAN侧切换到 LAN 侧, 并挂载到网桥下, 启动自身的无线接口作为 WAN侧接口, 将当前的路由配 置、 防火墙、 匪 S和 NAT的输出接口设置为所述无线接口, 以及, 向所述家庭 网关 42发送释放私网 IP地址的请求, 以使所述家庭网关 42释放所述私网 IP地 址, 建立与所述无线网络的连接。
进一步的, 如图 6所示, 所述无线接入设备 40上具有与中间设备 41相对应 的虚拟端口;
所述第一切换模块 402 , 具体用于将所述虚拟端口作为 WAN侧接口挂载到 IP层, 将当前的路由配置、 防火墙和匪 S、 NAT的输出接口设置为所述虚拟端 口, 以及, 从所述中间设备 41获取私网 IP地址, 当所述中间设备 41与所述有 线网络 43之间建立 PPP0E拨号连接之后, 根据所述私网 IP地址, 通过所述中间 设备 41接入所述有线网络 43。
则所述第二切换模块 403 , 具体用于将所述虚拟端口从 WAN侧切换到 LAN 侧, 并挂载到网桥下, 启动自身的无线接口作为 WAN侧接口, 将当前的路由配 置、 防火墙、 匪 S和 NAT的输出接口设置为所述无线接口, 以及, 向所述中间 设备 41发送释放私网 IP地址的请求, 以使所述中间设备 41释放所述私网 IP地 址, 当所述中间设备 41与所述有线网络 43之间断开 PPP0E拨号连接之后, 建立 与所述无线网络的连接。
需要说明的是, 图 5所示的无线接入设备适用于实施例二所述的方法, 图 6所示的无线接入设备适用于实施例三所述的方法。 本发明实施例提供的无线接入设备, 当无线接入设备与中间设备建立连 接之后, 无线接入设备能够根据中间设备的指示, 连接到所述有线网络, 并 断开与所述无线网络的连接, 当无线接入设备与所述有线网络之间的连接断 开时, 无线接入设备从所述有线网络切换到所述无线网络。 与现有技术相比, 无线接入设备能够自动在无线网络和有线网络之间进行切换, 用户既能享受 无线网络的优点, 也能享受有线网络的优点, 另外还可以提高用户体验质量; 此外, 中间设备能够为无线接入设备充电, 可以提高无线接入设备的续航能 力。
实施例五
本实施例提供一种中间设备, 如图 7所示, 所述中间设备 70包括: 第一接口模块 701 , 所述中间设备 70通过所述第一接口模块 701与无线接 入设备 71建立连接;
指示消息发送模块 702 , 用于在所述中间设备 70与无线接入设备 71建立连 接后, 通过所述第一接口模块 701向所述无线接入设备 71发送指示消息, 指示 所述无线接入设备 71从当前连接的无线网络切换到有线网络 73;
第二接口模块 703 , 所述中间设备 70通过所述第二接口模块 703与家庭网 关 72建立连接, 其中, 所述家庭网关 72与所述有线网络 73连接。
需要说明的是, 本实施例所述的中间设备适用于实施例二所述的方法。 本发明实施例提供的中间设备, 当无线接入设备与中间设备建立连接之 后, 中间设备能够指示无线接入设备从当前连接的无线网络切换到有线网络, 通过所述中间设备和家庭网关, 所述无线接入设备能够接入有线网络。 与现 有技术相比, 无线接入设备能够自动在无线网络和有线网络之间进行切换, 用户既能享受无线网络的优点, 也能享受有线网络的优点, 另外还可以提高 用户体验质量; 此外, 中间设备能够为无线接入设备充电, 可以提高无线接 入设备的续航能力。
实施例六 本实施例提供一种中间设备, 如图 8所示, 所述中间设备 80包括: 第一接口模块 801 , 所述中间设备 80通过所述第一接口模块 801与无线接 入设备 81建立连接;
指示消息发送模块 802 , 用于在所述中间设备 80与无线接入设备 81建立连 接后, 通过所述第一接口模块 801向所述无线接入设备 81发送指示消息, 指示 所述无线接入设备 81从当前连接的无线网络切换到有线网络 82;
第三接口模块 803 , 所述中间设备 80通过所述第三接口模块 803与所述有 线网络 82建立连接。
需要说明的是, 本实施例所述的中间设备适用于实施例三所述的方法。 本发明实施例提供的中间设备, 当无线接入设备与中间设备建立连接之 后, 中间设备能够指示无线接入设备从当前连接的无线网络切换到有线网络, 通过所述中间设备, 所述无线接入设备能够接入有线网络。 与现有技术相比, 无线接入设备能够自动在无线网络和有线网络之间进行切换, 用户既能享受 无线网络的优点, 也能享受有线网络的优点, 另外还可以提高用户体验质量; 此外, 中间设备能够为无线接入设备充电, 可以提高无线接入设备的续航能 力。
实施例七
本发明实施例还提供一种自动切换网络的装置, 所述装置包括如图 5所述 的无线接入设备和如图 7所述的中间设备, 所述无线接入设备和中间设备的结 构可以参照以上实施例, 在此不再赘述;
或者, 所述装置包括如图 6所述的无线接入设备和如图 8所述的中间设备, 所述无线接入设备和中间设备的结构可以参照以上实施例, 在此不再赘述。
本发明实施例提供的自动切换网络的装置、 无线接入设备和中间设备可 以实现上述提供的方法实施例, 具体功能实现请参见方法实施例中的说明, 在此不再赘述。 本发明实施例提供的自动切换网络的方法和装置、 无线接入 设备和中间设备可以适用于在无线网络和有线网络之间进行自动切换, 但不 仅限于此。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流 程, 是可以通过计算机程序来指令相关的硬件来完成, 所述的程序可存储于 一计算机可读取存储介质中, 该程序在执行时, 可包括如上述各方法的实施 例的流程。其中,所述的存储介质可为磁碟、光盘、只读存储记忆体( Read-Only Memory, ROM )或随机存储记忆体 ( Random Access Memory, RAM )等。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局限 于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易 想到的变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保 护范围应该以权利要求的保护范围为准。

Claims

权利要求 书
1、 一种自动切换网络的方法, 其特征在于, 所述方法包括:
当无线接入设备与中间设备建立连接之后, 无线接入设备接收所述中间设 备发送的指示消息, 所述指示消息指示无线接入设备从当前连接的无线网络切 换到有线网络;
无线接入设备根据所述指示消息, 通过所述中间设备连接到所述有线网络, 并断开与所述无线网络的连接;
当无线接入设备与所述有线网络之间的连接断开时, 无线接入设备从所述 有线网络切换到所述无线网络。
2、 根据权利要求 1所述的方法, 其特征在于, 所述通过所述中间设备连接 到所述有线网络包括:
无线接入设备和中间设备上具有相对应的虚拟端口, 无线接入设备将所述 虚拟端口作为广域网 WAN侧接口挂载到 I P层;
无线接入设备将当前的路由配置、 防火墙和域名服务器 DNS、 网络地址转换 NAT的输出接口设置为所述虚拟端口;
无线接入设备从家庭网关获取私网 I P地址;
无线接入设备根据所述私网 IP地址, 通过所述中间设备和家庭网关接入与 所述家庭网关连接的有线网络。
3、 根据权利要求 1所述的方法, 其特征在于, 所述通过所述中间设备连接 到所述有线网络包括:
无线接入设备和中间设备上具有相对应的虚拟端口, 无线接入设备将所述 虚拟端口作为 WAN侧接口挂载到 IP层;
无线接入设备将当前的路由配置、 防火墙和匪 S、 NAT的输出接口设置为所 述虚拟端口;
无线接入设备从所述中间设备获取私网 IP地址;
当所述中间设备与所述有线网络之间建立基于以太网的点对点协议 PPP0E 拨号连接之后, 无线接入设备根据所述私网 IP地址, 通过所述中间设备接入所 述有线网络。
4、 根据权利要求 2所述的方法, 其特征在于, 所述无线接入设备从所述有 线网络切换到所述无线网络包括:
无线接入设备将所述虚拟端口从 WAN侧切换到局域网 LAN侧, 并挂载到网桥 下, 启动自身的无线接口作为 WAN侧接口;
无线接入设备将当前的路由配置、 防火墙、 匪 S和 NAT的输出接口设置为所 述无线接口;
无线接入设备向所述家庭网关发送释放私网 IP地址的请求, 以使所述家庭 网关释放所述私网 IP地址;
无线接入设备建立与所述无线网络的连接。
5、 根据权利要求 3所述的方法, 其特征在于, 所述无线接入设备从所述有 线网络切换到所述无线网络包括:
无线接入设备将所述虚拟端口从 WAN侧切换到 LAN侧, 并挂载到网桥下, 启 动自身的无线接口作为 WAN侧接口;
无线接入设备将当前的路由配置、 防火墙、 匪 S和 NAT的输出接口设置为所 述无线接口;
无线接入设备向所述中间设备发送释放私网 IP地址的请求, 以使所述中间 设备释放所述私网 IP地址;
当所述中间设备与所述有线网络之间断开 PPP0E拨号连接之后, 无线接入设 备建立与所述无线网络的连接。
6、 一种无线接入设备, 其特征在于, 包括:
接收模块, 用于当无线接入设备与中间设备建立连接之后, 接收所述中间 设备发送的指示消息, 所述指示消息指示无线接入设备从当前连接的无线网络 切换到有线网络;
第一切换模块, 用于根据所述指示消息, 通过所述中间设备连接到所述有 线网络, 并断开与所述无线网络的连接;
第二切换模块, 用于当无线接入设备与所述有线网络之间的连接中断时, 从所述有线网络切换到所述无线网络。
7、 根据权利要求 6所述的无线接入设备, 其特征在于, 所述无线接入设备 上具有与中间设备相对应的虚拟端口;
所述第一切换模块, 具体用于将所述虚拟端口作为广域网 WAN侧接口挂载到 IP层, 将当前的路由配置、 防火墙和匪 S、 NAT的输出接口设置为所述虚拟端口, 以及, 从家庭网关获取私网 IP地址, 根据所述私网 IP地址, 通过所述中间设备 和家庭网关接入与所述家庭网关连接的有线网络。
8、 根据权利要求 6所述的无线接入设备, 其特征在于, 所述无线接入设备 上具有与中间设备相对应的虚拟端口;
所述第一切换模块, 具体用于将所述虚拟端口作为 WAN侧接口挂载到 IP层, 将当前的路由配置、 防火墙和匪 S、 NAT的输出接口设置为所述虚拟端口, 以及, 从所述中间设备获取私网 IP地址, 当所述中间设备与所述有线网络之间建立 PPP0E拨号连接之后, 根据所述私网 IP地址, 通过所述中间设备接入所述有线网 络。
9、 根据权利要求 7所述的无线接入设备, 其特征在于, 所述第二切换模块, 具体用于将所述虚拟端口从 WAN侧切换到 LAN侧, 并挂载到网桥下, 启动自身的 无线接口作为 WAN侧接口, 将当前的路由配置、 防火墙、 DNS和 NAT的输出接口设 置为所述无线接口, 以及, 向所述家庭网关发送释放私网 IP地址的请求, 以使 所述家庭网关释放所述私网 I P地址, 建立与所述无线网络的连接。
10、根据权利要求 8所述的无线接入设备, 其特征在于, 所述第二切换模块, 具体用于将所述虚拟端口从 WAN侧切换到 LAN侧, 并挂载到网桥下, 启动自身的 无线接口作为 WAN侧接口, 将当前的路由配置、 防火墙、 DNS和 NAT的输出接口设 置为所述无线接口, 以及, 向所述中间设备发送释放私网 IP地址的请求, 以使 所述中间设备释放所述私网 IP地址, 当所述中间设备与所述有线网络之间断开 PPPOE拨号连接之后, 建立与所述无线网络的连接。
11、 一种中间设备, 其特征在于, 包括:
第一接口模块, 所述中间设备通过所述第一接口模块与无线接入设备建立 连接;
指示消息发送模块, 用于在所述中间设备与无线接入设备建立连接后, 通 过所述第一接口模块向所述无线接入设备发送指示消息, 指示所述无线接入设 备从当前连接的无线网络切换到有线网络;
第二接口模块, 所述中间设备通过所述第二接口模块与家庭网关建立连接, 其中, 所述家庭网关与所述有线网络连接。
12、 一种中间设备, 其特征在于, 包括:
第一接口模块, 所述中间设备通过所述第一接口模块与无线接入设备建立 连接;
指示消息发送模块, 用于在所述中间设备与无线接入设备建立连接后, 通 过所述第一接口模块向所述无线接入设备发送指示消息, 指示所述无线接入设 备从当前连接的无线网络切换到有线网络;
第三接口模块, 所述中间设备通过所述第三接口模块与所述有线网络建立 连接。
1 3、一种自动切换网络的装置, 其特征在于, 所述装置包括如权利要求 6-10 所述的无线接入设备和权利要求 11所述的中间设备;
或者, 所述装置包括如权利要求 6-10所述的无线接入设备和权利要求 12所 述的中间设备。
PCT/CN2011/083433 2010-12-17 2011-12-05 自动切换网络的方法和装置、无线接入设备和中间设备 WO2012079473A1 (zh)

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US8908580B2 (en) 2014-12-09
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