TWI246838B - Network connection method without setting a network IP configuration - Google Patents

Abstract

A network connection method without setting a network IP configuration is disclosed. This method enables at least one computer to connect to a network system through a network device. Firstly, the computer transmits a data package including the IP address of the destination. When the network device receives the data package, an address resolution protocol (ARP) is transmitted to the computer having the IP address of the destination in order to detect the MAC address. Secondly, the network device receives the MAC address translated from the returned APR and transmits/receives the data package to/from the IP address of the destination according to the MAC address. Finally, the data package is transmitted/exchanged without changing the IP configuration.

Description

1246838 V. Description of invention (2) Internet access. However, the convenience of the above wireless network connection is limited by the limitation of the network IP configuration setting. Therefore, when the computer moves to other different networks, it needs to be reset due to different network IP addresses. The computer's network IP configuration, in order to connect to the Internet or connect to the Internet. For example, the network IP address of a conference office is 1 9 2 . 1 6 8 . 1 0 . X, and the IP address of the network used in the home is 1 9 2 . 1 6 8 . When the user takes the computer used in the office to take it home, he must change the IP address of the computer to 1 9 2 . 1 6 8 . 1. 1 to be able to connect to the Internet at home and bring it back to the office. It must be changed to 1 9 2 · 1 6 8 . 1 0 · X to connect to the company network. In summary, the computer network is convenient and easy to use, but the connection configuration of the network IP configuration is not too pure 'whether it is the network IP group of the computer' or the network device's connection configuration, not The general user can easily complete the setting, as long as there is any setting error, it will result in the inability to connect. At the job, the inventor of this case is trying to solve the above-mentioned problems of the inconvenience and lack of the existing network connection configuration settings, and the need to change the network IP configuration when the computer moves to a different network. The use of academic theory proposes a connection-free network IP configuration connection method, which enables the computer to automatically connect to the network through any network IP configuration without changing any network. The IP configuration setting is an invention that is reasonable in design and can effectively improve the above-mentioned defects. SUMMARY OF THE INVENTION The object of the present invention is to provide a connection-free network I P configuration connection

1246838 V. Description of invention

To carry out data packet transmission and exchange computer preset network gateway [consistent method] Centering: take Π 步 step; solve the invention to achieve the detailed description and drawings, phase (3) > read the following The present invention can be derived from - in-depth and specific = monthly;: characteristics and characteristics, the day is idle, it is not H ^ body understanding, however, the drawings are only for reference and clarification is not used for the present invention Limit the person. Please refer to the figure-figure, which is a schematic diagram of the state of use of the present invention.

The invention mainly solves the problem that the computer 10 needs to reset the network Ϊ P configuration on the computer when moving from the first network to the second network, and uses a connection method that is free of the network IP configuration. The present invention is described by taking the first network as the company local area network 100 and the second network as the home network 2 〇〇 as an example. Generally used in the company's internal area network 1 〇 〇 composed of multiple computers and sharing one or more groups of IP addresses, through a dynamic address communication protocol

Dynamic Host Configuration Protocol (DHCP)# S automatically allocates the IP address of each computer in the local area network 100, or through the hand

The IP address can be set by the company's internal network gateway 20 or router to the WAN 300, such as the Internet, so the computer 1 is used in the company, assuming the company's network The IP address of the road gateway 20 is 1 9 2 · 1 6 8. 1 0 . X, and the IP configuration of the computer is assumed to be 1 9 2 · 1 6 8 · 1 〇·1. When the user moves the computer 1 to the home network 200, the home network 20 may use dial-up ADSL to connect to the wide area network through an ADSL-A 30. , such as the Internet, so it is assumed that

Page 8 1246838 V. Description of the invention (5) The IP address of the network gateway of the ADSL modem 30 should be 192·168. 1. X. If the user sets the IP address by himself, it is not required to obtain it through DHCP. Change the network I 该 of this computer 10 to 1 9 2 . 1 6 8 . 1. 1. Please refer to the second figure, which is a schematic diagram of the automatic connection process of the present invention. The present invention is designed to have a Zero configure connecting in a network device, so that at least one computer can automatically connect to a network without changing the network IP configuration. The network device can be an ADSL modem, a cable modem, a router, a gateway, a hub (HUB), an IP share (Sharing), or a wireless network. Base Station (Access Po int, AP)...etc. The network can be a local area network (LAN) 100 or a wide area network (WAN) 300. When the user uses the computer in the company to move the home, the computer has a wired network of 10 After the road card is connected to the network device by the network route, or the computer 10 is connected to the network device by using the wireless network card, the network device can be automatically connected to the network without Change the IP configuration on this computer 10.

The method used by the zero-configuration thread in the network device firstly, the user opens a browser (Br〇wser) software and an e-mail software on the computer. , or any software with network connection function (S1 〇0), at this time, the computer 1 will send a data packet with the destination address p (S102), and the destination IP address can be The IP address of any server on the Internet, such as Yahoo's website, or the IP address of any computer on the local area network.

Page 9 1246838

After the network device receives the data packet of the destination IP address sent by the computer 10, it first determines whether the data packet is an address resolution protocol (ARP) query packet, and is not The MAC address of the network device itself is inquired (S104).

If the data packet is the address interpretation protocol (ARP) query packet, then the network device will confirm whether the network gateway 20 address preset in the computer port exists (S 1 0 6 ), if the computer 10 is preset by the company, the network requester 20 address is 丨9 2 ·丨6 8 · ;[ 〇· X, and the computer is moved to the home and the first When the connection is made, the address of the 1 9 2 · 1 6 8 · 1 0 · X network gateway must not respond, that is, it does not exist. At this point, the network device will address its own adapter card (mac

Address) is passed back to the computer 10CS108), so that the computer 10 can transmit the data packet to the MAC address of the network device, so that the network device becomes the network gateway of the computer (s丨丨〇), responsible for processing the data packet transmitted by the computer 10, and then the network device simulates that the computer 10' directly transmits and exchanges data packets with the destination IP address (S1) 12). Since each MAC address in the network is unique, the computer in the network can connect even if it knows the MAC Address of the network gateway 2 Line, so when the computer knows the MAC address of the network device, it can directly transmit and exchange data packets with the network device according to the network adapter address (MACA ddress). So the computer 1 can be configured with any I p

1246838 V. INSTRUCTIONS (7) The computer of the IP address of the destination transmits and exchanges data packets. However, if the data packet received by the network device is not the address interpretation protocol (ARP) query packet (S1 04), the network gateway 20 address specified by the computer 10 is used. Transmitting the data packet to the network gateway 20, and transmitting to the destination IP address (S1 1 2) via the network gateway 20, such as the computer 1 generally used in the company's network. 0 is to transmit data packets through the network gateway and the external wide area network. Moreover, if the data packet received by the network device is the address interpretation protocol (ARP) query packet (S104), and the network gateway 20 address preset in the computer 10 is also confirmed. If it exists (S 1 0 6 ), the data packet is transmitted to the network gateway 20 through the network gateway 20 address preset in the computer 10, and the network gateway is passed through the network gateway. The device 2 0 is then transmitted to the destination IP address (S 1 1 2 ), for example, the computer used in the home is again moved to the first connection of the company. All of the above are normal when all network connections are normal. If the computer is using the network device for the first time, or the network device cannot connect to the network, the present invention is also designed with an automatic detection device. The user does not have to set the network configuration again. For example, the third figure is a schematic diagram of the connection detection process of the present invention. In the detecting device of the network device of the present invention, firstly, if the computer 1 cannot transmit or exchange the data packet (S2 0 0), the network device sends a message to the computer 10, so that the The browser of the computer 10 displays a connection status (S 2 0 2 ) that requires the user to check the network port of the network device, as shown in the fourth figure. At this time, if the user checks the network device of the network device and the connection is still correct, the computer 10 still cannot transmit or exchange the data packet (S2 04), the network

Page 11 124683 8__________ _____^---- Name Description (8) Five-set* will check the connection status with the central office, such as the ISP, and automatically re-attach I to send/message to the browser of the computer. On, ask the user to wait for $ _ will (S2 0 6 ), as shown in the fifth figure. If the ^ automatic reconnection still fails, a message is sent to the computer, which indicates that the user should seek assistance from the ISP, as shown in the sixth figure. ^ t & or after the automatic reconnection is successful, still can not connect to the network (s2〇8), then the network device will check whether the account and password in PPPoE# mode are wrong (S21〇), if pppoE reply If the account number and password are incorrect, a message will be sent to the browser of the computer, and the user will be required to re-enter the account number and password (S2 1 2), as shown in the seventh figure, and store the account and password entered by the user. To complete the purpose of automatic connection. The present invention is capable of providing a design that avoids being different from the prior art by the above-disclosed technology, and can improve the overall use value, and is not found in the publication or public use before the application, and has already complied with the invention patent. The essentials are to file an invention patent application in accordance with the law. However, the above-mentioned drawings and descriptions are merely examples of the present invention, and those skilled in the art can make various other modifications according to the above description, and these changes still belong to the inventive spirit of the present invention. The scope of the patents set forth below. 1

Page 12 1246838 Brief description of the schema [Simplified description of the schema] (1), Schematic description: The first diagram is a schematic diagram of the state of use of the present invention. The second figure is a schematic diagram of the automatic connection process of the present invention. The third figure is a schematic diagram of the connection detection process of the present invention. The fourth picture is a schematic diagram of the browser display checking the status of the network. The fifth figure is a schematic diagram showing the status of the automatic connection I SP in the browser. The sixth picture is a graphical representation of the browser's display of assistance to the I SP industry. And the seventh picture shows the browser's intention to re-enter the account number and password. (2), the main part of the symbol:

10 Computer 100 Regional Network 200 Home Network 20 Network Gateway 300 Wide Area Network 30 ADSL Data Machine Page 13

Claims (1)

1246838 VI. Application for Patent Range 1. A connection method for setting up a network IP configuration, which allows at least one computer to connect to a network through a network device, the method comprising: a. sending a a data packet of the destination IP address; b. after receiving the data packet, the network device determines whether the data packet is an address resolution protocol (ARP) query packet; c. if the address is interpreted The protocol (ARP) queries the packet to confirm whether the network gateway address preset in the computer is present; and d. if the network gateway does not exist, transmits the adapter card of the network device The MAC address is sent to the computer, so that the network device becomes the network gateway of the computer, and is responsible for transmitting the data packet transmission and exchange between the computer 10 and the network. 2. The connection method for setting a network IP configuration as described in claim 1, wherein the network device is an ADSL modem, a cable modem, or a router ( Router), gateway, hub (HUB), IP share (Sharing) or wireless network base station (Access Point, AP). 3. The connection method for setting a network IP configuration according to claim 1, wherein the network is a regional network or a wide area network. 4. The connection method for setting the network IP configuration as described in claim 1 of the patent scope, wherein before the step a., the method further comprises: opening a browser software, an email software or any A software for network connection. 5. Connected to the set-up network I P configuration as described in item 1 of the patent application scope Page 14 1246838 6. Patent application line method, wherein in the a. step, the IP address of the destination is the IP address of any server on the Internet, or the IP address of any computer in the local area network. site. 6. The connection method for setting a network IP configuration according to claim 1, wherein in the step a., the computer communicates with the at least one wired network card or at least one wireless network card The network device is connected. 7. The connection method for setting a network IP configuration as described in claim 1 of the patent scope, wherein after the step b., the method further comprises: if the data packet is not an address packet of the address interpretation protocol (ARP) Then, according to the preset network gateway address in the computer, the data packet is transmitted to the network gateway, and then transmitted to the destination IP address through the network gateway. 8. The connection method for setting the network IP configuration as described in claim 1 of the patent scope, wherein after the step d., the method further comprises: if the network gateway exists, according to the preset in the computer The network gateway address transmits a data packet to the network gateway, and is transmitted to the destination IP address via the network gateway. 9. The connection method for setting the network IP configuration as described in claim 1 of the patent scope, wherein the step d. further comprises: if the data packet cannot be transmitted or received, displaying the required user on the computer Check the connection status of the data device to the network. 1 0. The connection method for setting the network I P configuration as described in claim 1 of the patent scope, wherein the step d. further comprises: if the data packet cannot be transmitted or received, the data device checks and Page 15 1246838 6. The scope of application for the patent is correct for the account and password of the network connection; if it is wrong, the account and password for re-entering the connection are displayed on the computer; and the account number entered by the user is stored. password. Page 16