WO2013182166A1

WO2013182166A1 - Method and device for automatic, seamless network port switching

Info

Publication number: WO2013182166A1
Application number: PCT/CN2013/079924
Authority: WO
Inventors: 张可
Original assignee: 中兴通讯股份有限公司
Priority date: 2012-10-31
Filing date: 2013-07-23
Publication date: 2013-12-12
Also published as: CN103796266A; CN103796266B

Abstract

A method and a device for automatic, seamless network port switching, used for automatically switching to a connected state of a wireless data card when the wireless data card is being used. The method obtains network port information of a wireless data card and routing information of an IP routing table, and alters Metric values of the wireless data card and other network cards in the IP routing table according to the network port information of the wireless data card, so as to adjust a default gateway. The method and device in the embodiments of the present invention can adjust Metric values of a wireless data card and other network cards to adjust a default gateway, so that the default gateway automatically jumps to the IP address of the wireless data card. Therefore, by means of this method, a user can implement automatic switching of a data processing device from a network port of a wireless network card in the data processing device to a network port of a wireless data card without performing disconnection and connection operations on a network.

Description

Method and device for automatically switching seamlessly of network port

Technical field

The present invention relates to the field of network access of a network terminal, and in particular, to a method and an apparatus for automatically and seamlessly switching a network port. Background technique

Currently, in order to realize the wireless Internet access function of data processing devices such as notebook computers, these data processing devices all have their own wireless network cards. However, due to different application scenarios or purposes, the data processing device also uses an external network card device with Internet access function, especially with the development of mobile communication technologies, such as mobile data cards, Unicom data cards, etc. with Wi-Fi modules. The application of wireless data cards is becoming more and more popular.

However, since the network port of the wireless network card of the data processing device is set as the default gateway, when the wireless data card is connected to the network, the user name and password of the web authentication need to be re-entered, which requires first breaking the data processing. The network port of the device's own wireless network card will have a wireless data card connected to the network.

Therefore, the networking method using the existing wireless data card has the following defects:

First, when the user uses the wireless data card, the user needs to perform the operation of disconnecting the network, which is inconvenient for the user;

Secondly, when disconnecting and connecting the network port of the data processing device, it takes a long time to disconnect or connect to the network, resulting in long waiting time and poor user experience. Summary of the invention

The object of the embodiments of the present invention is to provide a method for automatically and seamlessly switching a network port. The method can automatically switch the data processing device from the network port of the wireless network card that is provided to the data processing device without the user performing the network disconnection operation. The network port of the wireless data card.

To achieve the above object, an embodiment of the present invention provides a method for automatically and seamlessly switching a network port. When the wireless data card is used, the network data is automatically switched to the wireless data card, and the method includes: modifying the IP route according to the network port information of the wireless data card by acquiring the network port information of the wireless data card and the routing information of the IP routing table. The metric values for the wireless data card and other NICs in the table to adjust the default gateway.

Preferably, when the wireless data card is used, if the customized key value in the detection registry of the wireless data card is obtained, it is determined that the wireless data card is connected to the network port.

Preferably, the obtaining the network port information of the wireless data card includes: acquiring network port information of each network port, and obtaining, by using a network port of the wireless data card, a network port name of the network port that connects the wireless data card, according to the network port The network port information of the wireless data card is obtained from the network port information of each network port.

Preferably, the obtaining the network port information of the wireless data card is obtained by establishing an index number of the network port information of the wireless data card from the network port information of each network port.

Preferably, the obtaining the routing information of the IP routing table includes: acquiring a function of the IP routing table to obtain all the routing information, and searching for routing information corresponding to the network destination address of the specified route in all the routing information.

Preferably, the metric value of the wireless data card and other network cards in the IP routing table is modified according to the network port information of the wireless data card to adjust the default gateway, including:

And searching, according to the index number, routing information corresponding to the wireless data card in routing information corresponding to the network destination address of the specified route; and

The metric value in the routing information corresponding to the wireless data card in the IP routing table is modified by modifying the function of the specified routing information, and the metric value in the routing information corresponding to the other network port in the IP routing table is modified to correspond to the wireless data card. The metric value in the routing information is smaller than the metric value in the routing information corresponding to other network ports.

Preferably, the method further comprises the following operations:

Establishing the data group A, and storing the obtained network port information of each network port in the data group A; establishing a data group B, storing the index number in the data group B, and using the index number in the data group Indexing the network port information of the wireless data card in A;

Establishing data group C, and obtaining all the routes obtained by acquiring the function of the IP routing table Information is stored in the data set C;

Establishing the data group D, and storing the routing information corresponding to the network target address of the specified route found in all the routing information in the data group D;

Establishing the data group E, searching for the routing information corresponding to the wireless data card in the data group D by using the index number in the data group B, and storing the routing information in the data group E;

Establish a data group F, and save routing information of other network ports in the data group F;

Modify the metric value in data set E and data set F so that the metric value in data set E is less than the metric value in data set F;

Modify the metric value in the routing information corresponding to the wireless data card in the IP routing table and modify the IP routing table with other network ports by modifying the metric value of the data group E and the metric value in the data group F. The metric value in the corresponding routing information.

To achieve the above objective, an embodiment of the present invention provides an apparatus for automatically and seamlessly switching a network port, including:

The information obtaining module is configured to obtain the network port information of the wireless data card and the routing information of the IP routing table;

The network port switching module is configured to modify the metric value of the wireless data card and other network cards in the IP routing table according to the network port information of the wireless data card to adjust the default gateway.

Preferably, the device further comprises:

The detecting module is configured to: when the wireless data card is used, if the customized key value in the detection registry of the wireless data card is obtained, it is determined that the wireless data card is connected to the network port.

Preferably, the information acquiring module is configured to obtain the network port information of the wireless data card, including: acquiring the network port information of each network port, and obtaining the network port of the network port that connects the wireless data card by using the network port of the wireless data card The network port information of the wireless data card is obtained in the network port information of each network port according to the network port name.

Preferably, the information obtaining module is configured to obtain the network port information of the wireless data card, and is obtained by establishing an index number of the network port information of the wireless data card from the network port information of each network port.

Preferably, the information obtaining module is configured to obtain routing information of the IP routing table, including: obtaining Take the function of the IP routing table to obtain all the routing information, and find the routing information corresponding to the network destination address of the specified route in all routing information.

Preferably, the network port switching module is configured to modify the metric value of the wireless data card and other network cards in the IP routing table according to the network port information of the wireless data card to adjust the default gateway, including:

Modifying the metric value in the routing information corresponding to the wireless data card in the IP routing table and modifying the metric value in the routing information corresponding to the other network port in the IP routing table by modifying the function of the specified routing information, so as to make the wireless data The metric value in the routing information corresponding to the card is smaller than the metric value in the routing information corresponding to the other network port.

The method and the device of the embodiment of the present invention modify the network data of the wireless data card and the routing information of the IP routing table, and modify the metric value of the wireless data card and other network cards in the IP routing table according to the network port information of the wireless data card. In order to adjust the default gateway, the default gateway automatically jumps to the IP address of the wireless data card, so that the gateway of the wireless data card can be seamlessly switched to achieve the effect of automatically matching the network port. Therefore, the user does not need to disconnect the network through the method. The network operation can realize that the data processing device automatically switches from the network port of its own wireless network card to the network port of the wireless data card.

BRIEF abstract

1 is a flowchart of a method for automatically and seamlessly switching a network port according to an embodiment of the present invention;

2 is a flowchart of a method for automatically and seamlessly switching a network port according to an embodiment of the present invention;

FIG. 3 is a structural diagram of an apparatus for automatically and seamlessly switching a network port according to an embodiment of the present invention.

Preferred embodiment of the invention

The technical solutions of the present invention will be clearly and completely described in conjunction with the specific embodiments and the accompanying drawings.

The method for automatically and seamlessly switching the network port of the embodiment of the present invention is used for switching between a network port of a data processing device such as a notebook computer and a network port of a wireless data card, so as to access the broadband through the mobile data network of the operator by using the wireless data card. service. As shown in FIG. 1 , the method for automatically and seamlessly switching network ports in the embodiment of the present invention is as follows:

S1: Obtaining the network port information of the wireless data card and the routing information of the IP routing table when the wireless data card is connected to the network;

S2: Modify the metric value of the wireless data card and other network cards in the IP routing table according to the network port information of the wireless data card to adjust the default gateway.

As shown in FIG. 2, the specific process of the method for automatically and seamlessly switching the network port of the embodiment of the present invention is as follows: Step S101: After connecting the wireless data card to the data processing device, start a user interface (UI) installed in the data processing device. The UI obtains a customized key value in the detection registry of the wireless data card. If the customized key value is obtained, it is determined that the wireless data card is detected, otherwise it is determined that the wireless data card is not detected, so that it can be determined. Whether the wireless data card has been connected to the data processing device;

Step S102, after determining that the wireless data card has been connected to the data processing device, the UI acquires a function of the network adapter of the data processing device and each network port information, where the network port information includes: a network port name, an index, a physical address, and a device description. And the related information, and the UI saves the acquired network port information. In this embodiment, the UI establishes the data group A and saves the obtained network port information in the data group A;

Step S103, the UI obtains the name of the network port that connects the wireless data card by acquiring the network port driver of the wireless data card, and the network port driver of the wireless data card is usually provided by the device manufacturer and installed on the data processing device;

Step S104: After obtaining the network port name of the wireless data card, the UI obtains the network port information corresponding to the network port of the wireless data card in the data group A by using the network port name, and establishes an index number of the network port information. Therefore, the mapping relationship between the index number and the network port information of the wireless data card stored in the data group A is established. In this embodiment, the UI establishes a data group B and saves the index number in the data group B. Step S105 The UI obtains all the routing information and saves it by acquiring a function of the IP routing table, and the routing information includes information related to the routing, such as an IP address, a metric value, a gateway, and the like. In this embodiment, the UI is established. a data group C and storing the routing information in the data group C;

Step S106, the UI searches the data group C for the network destination address of the specified route (ie, 0.0.0.0) The corresponding routing information, and the UI establishes a data group D and saves the routing information corresponding to the network target address in the data group D, and searches for the wireless data card in the data group D through the index number in the data group B. The routing information, and the routing information corresponding to the wireless data card and the routing information of the other network ports are separately saved. In this embodiment, the UI establishes a data group E and a data group F, and the routing information corresponding to the wireless data card is Stored in data group E, and save routing information of other network ports in data group F;

Step S107, the UI modifies the metric value in the data group E and the data group F by modifying the function of the specified routing information, setting the metric value of the data group E to 10, and setting the metric value in the data group F to 30;

Step S108, setting a metric value of each network port in the IP routing table of the data processing device according to the metric value of the data group E and the metric value in the data group F, using a function for creating the specified routing information;

Step S109, after the foregoing steps are completed, the data processing device automatically adjusts the default gateway according to the size of the Metric value set in the IP routing table. The smaller the metric value is, the larger the priority is, so that the routing of the wireless data card is set to the default. Gateway

Step S110, after the user disconnects the network of the wireless data card, the UI invokes the routing information in the data group C and uses the function of creating the specified routing information to set the metric value of each network port of the IP routing table, thereby restoring the data processing device. The original routing information of the IP routing table is used to set the network port of the data processing device as the default gateway.

As shown in FIG. 3, an embodiment of the present invention further provides an apparatus for automatically and seamlessly switching a network port, including:

Wherein, the device further comprises:

The detecting module is configured to: when the wireless data card is used, if the customized key value in the detection registry of the wireless data card is obtained, it is determined that the wireless data card is connected to the network port. The information acquiring module is configured to obtain the network port information of the wireless data card, including: obtaining network port information of each network port, and obtaining a network port name of the network port that connects the wireless data card by using a network port driver of the wireless data card And obtaining the network port information of the wireless data card in the network port information of each network port according to the network port name.

The information obtaining module is configured to obtain the network port information of the wireless data card, and is obtained by establishing an index number of the network port information of the wireless data card from the network port information of each network port.

The information obtaining module is configured to obtain the routing information of the IP routing table, including: acquiring a function of the IP routing table to obtain all routing information, and searching for the network destination address corresponding to the specified route in all the routing information. Routing information.

The network port switching module is configured to modify the metric value of the wireless data card and other network cards in the IP routing table according to the network port information of the wireless data card to adjust the default gateway, including:

The method and device of the embodiment of the present invention acquires the network port information of the wireless data card and the routing information of the IP routing table through the UI, and modifies the wireless data card in the IP routing table and the metric of the other network card according to the network port information of the wireless data card. The value is used to adjust the default gateway, so that the default gateway automatically jumps to the IP address of the wireless data card, so that the gateway of the wireless data card can be seamlessly switched to achieve the effect of automatically matching the network port. Therefore, the method and the device do not need to be performed by the user. The network connection operation can realize that the data processing device automatically switches from the network port of its own wireless network card to the network port of the wireless data card. The embodiments of the present invention are described in detail with reference to the foregoing embodiments, and those skilled in the art should understand that the technical solutions described in the foregoing embodiments may be modified, or some of the technical features may be equivalently replaced. These modifications or substitutions do not make the corresponding technical party The essence of the present invention departs from the spirit and scope of the technical solutions of the embodiments of the embodiments of the present invention.

Industrial applicability

In the embodiment of the present invention, the network information of the wireless data card and the routing information of the IP routing table are obtained, and the metric value of the wireless data card and other network cards in the IP routing table is modified according to the network port information of the wireless data card to adjust the default gateway. The default gateway automatically jumps to the IP address of the wireless data card, so that the gateway of the wireless data card can be seamlessly switched to achieve the effect of automatically matching the network port. Therefore, the method does not require the user to perform the network disconnection operation. The data processing device automatically switches from the network port of the wireless network card that is provided to the network port of the wireless data card.

Claims

claims

1. A method for automatic and seamless switching of network ports, including: obtaining the network port information of the wireless data card and the routing information of the IP routing table, and modifying the wireless data card and the routing information in the IP routing table according to the network port information of the wireless data card. Metric values of other network cards to adjust the default gateway.

2. The method for automatic and seamless switching of network ports as claimed in claim 1, further comprising: when using a wireless data card, if a customized key value in the detection registry of the wireless data card is obtained, then determining the wireless data card. The data card has been connected to the network port.

3. The method for automatic and seamless switching of network ports as claimed in claim 1, wherein: the obtaining the network port information of the wireless data card includes:

Obtain the network port information of each network port and obtain the network port name of the network port connected to the wireless data card through the network port driver of the wireless data card, and obtain the wireless network port from the network port information of each network port according to the network port name. Network port information of the data card.

4. The method for automatic and seamless switching of network ports as claimed in claim 3, wherein: obtaining the network port information of the wireless data card is by indexing the network port of the wireless data card from the network port information of each network port. The information is obtained by the index number.

5. The method for automatic and seamless switching of network ports according to claim 4, wherein: the obtaining routing information of the IP routing table includes: obtaining a function of the IP routing table to obtain all routing information, and in all routing Search the information for the routing information corresponding to the network destination address of the specified route.

6. The method for automatic and seamless switching of network ports as claimed in claim 5, wherein: modifying the Metric values of the wireless data card and other network cards in the IP routing table according to the network port information of the wireless data card to adjust the default gateway, include:

Search the routing information corresponding to the wireless data card in the routing information corresponding to the network target address of the specified route according to the index number; and

Modify the Metric value in the routing information corresponding to the wireless data card in the IP routing table by modifying the function of the specified routing information and modify the Metric value in the routing information corresponding to other network ports in the IP routing table, so that the wireless data The Metric value in the routing information corresponding to the card is smaller than the Metric value in the routing information corresponding to the other network ports.

7. The method for automatic and seamless switching of network ports as claimed in claim 6, further comprising: establishing a data group A, and storing the acquired network port information of each network port in the data group A; establishing a data group B. , save the index number in the data group B, and use the index number to index the network port information of the wireless data card in the data group A;

Establish a data group C, and save all the routing information obtained by the function of obtaining the IP routing table in the data group C;

Establish a data group D, and save the routing information corresponding to the network target address of the designated route found in all routing information in the data group D;

Establish data group E, search the routing information corresponding to the wireless data card in the data group D through the index number in the data group B and save the routing information in the data group E;

Establish a data group F, and save the routing information of the other network ports in the data group F; Modify the data group E and the Metric values in the data group F so that the Metric value in the data group E is less than Metric values in the data set F; and

According to the Metric value in the data group E and the Metric value in the data group F, modify the Metric value in the routing information corresponding to the wireless data card in the IP routing table and modify the IP route through a function that modifies the specified routing information. Metric value in the routing information corresponding to the other network ports in the table.

8. A device for automatic and seamless switching of network ports, including:

The information acquisition module is configured to obtain the network port information of the wireless data card and the routing information of the IP routing table;

The network port switching module is configured to modify the Metric values of the wireless data card and other network cards in the IP routing table based on the network port information of the wireless data card to adjust the default gateway.

9. The device of claim 8, further comprising:

The detection module is configured to determine that when a wireless data card is used, if a custom key value in the detection registry of the wireless data card is obtained, the wireless data card has been connected to the network port.

10. The device according to claim 8, wherein: the information acquisition module configured to obtain the network port information of the wireless data card includes: Obtain the network port information of each network port and obtain the network port name of the network port connected to the wireless data card through the network port driver of the wireless data card, and obtain the wireless network port from the network port information of each network port according to the network port name. Network port information of the data card.

11. The device according to claim 10, wherein: the information acquisition module is configured to obtain the network port information of the wireless data card by indexing the network port of the wireless data card from the network port information of each network port. The information is obtained by the index number.

12. The device of claim 11, wherein:

The information acquisition module is configured to obtain routing information of the IP routing table, including: obtaining a function of the IP routing table to obtain all routing information, and searching for routing information corresponding to the network target address of the specified route in all routing information. .

13. The device of claim 12, wherein:

The network port switching module is configured to modify the Metric values of the wireless data card and other network cards in the IP routing table according to the network port information of the wireless data card to adjust the default gateway, including: