TW453068B - Network control apparatus - Google Patents

Abstract

A network control apparatus is provided to connect the on-line equipment to Internet with a transmission line. The equipment in the invention comprises a wired network apparatus for connecting a plurality of computers, a wireless network apparatus for connecting a plurality of network digital boards, a bridging apparatus for connecting the wired network apparatus and the wireless network apparatus, and an external connecting apparatus for connecting a LAN to the Internet.

Description

453〇6 'V. Description of the invention (1) 5 -1 Field of the invention: The present invention relates to an Internet control device, and in particular to a method for allowing all households or small and medium-sized enterprises to access the Internet to share a transmission line. Connect to the internet. 5-2 Background of the Invention: With the advent of the Internet age, the need for home networking to increase Internet access is increasing. At the same time, the Internet access device has also expanded from a simple computer to various other devices. Area N The area network of a building is called a few items. For example, Novell 'commonly used in homes or small and medium-sized enterprises' current data exchange method is etwork). Connections are mainly => In smaller areas, usually Within, or within the scope of a company group. Generally, the network is connected to a local area network, and its basic components are: a personal coaxial line on the network client side, a network interface card or Windows NT, and a high-end personal computer or a medium. Road (LAN; Local) refers to a network set up in the same office area or a woven internal area with a local area network computer or a work or network as a file server workstation. The network belongs to The area is limited to 100 meters, and the components of the architecture include the media industry system for the transmission of the following stations, and the common is the file server.

4h〇et V. Description of the Invention (2) The local area network is the basis of current office automation. Common local area networks can be divided into three categories according to different access methods: The first type is FDD that uses tokens as the basis for access. I optical fiber network and token ring network (Token Ring), which is characterized by the use of optical fiber as a transmission medium 'and it is a ring network. The second type of local area network is the widely used carrier detection multiple access / collision avoidance (CSMA / CD; Carrier Sense Multiple Access / Col 1 ision Avoidance) Ethernet network. This network is It is an IEEE 802.3 local area network. Depending on the speed, there are differences in χ, 100Base-x, and 100Base- x. The following χ represents the supportable transmission distance or the media. Common Transmission media are twisted pair (υτρ, Up, coaxial cable, optical fiber, etc. This type of network can be connected into a bus or mixed network. Three types of demand have demand priority.

The road is often mVG-AnyLAN, which can reach 1GG Mb K rate, you can choose to use twisted pair or optical fiber transmission. Special Networks Today's networks are mostly star topology. On a satellite ’s hub, b) is connected to or re-establishes the signal :: network expansion type: or digital signal. The benefit of $ is in addition to being able to be wired: it can also be avoided. After a certain line is disconnected, it will affect the network node of 4 53 0 6 8 5. Invention Note (3) affects the network node because the hub is connected to the network. The device of the road cable, so it is a device belonging to the physical layer. However, 'A LAN alone cannot connect to the Internet. Today, in the average home or small business, most of the ways to connect to the Internet are by telephone lines. A telephone line usually requires a modem (MODEM; is the abbreviation of MOdulator / DEModulator, commonly known as a modem) to access the Internet. It can convert a computer's digital signal into an analog signal. We can use it to connect to a telephone line. 'Communicating messages and transmitting data with distant computers is the main tool for ordinary home computers to connect to the Internet. According to the equipment connected to the modem, it can be divided into dial-up modem, network modem (UN modem, IS), N modem, and cable modem. ) Four major categories β The first category is our most common model on the market. It must use the telephone line provided by Chunghwa Telecom to connect with the other party by dialing. The second type of data = is mainly used as Network-to-network connection, so this modem has bridge and device capabilities, and it must support protocol rates such as Tcp / Ip, Ethernet, etc. The third modem must be connected via ISDN and other networks. Up to 144 Kbps; the fourth type of modem uses the currently popular cable television (CATV) cable to achieve Internet access rates of tens of Mbps. plus. With the advent of the Internet era, the demand for home networking is increasing. At the same time, Internet access devices have expanded from simple computers to various other devices.

Mil · Page 6 4 〇 6 8 V. Description of the Invention (4). For example, by wireless means, the shaker can use a network tablet (ffebPad; a plate-like device that can access the Web) to access the Internet, which is more flexible and convenient. At the same time, households have two or more computers. However, the resources for accessing the Internet (Internet access lines) are limited. How to use resources rationally, economically, and effectively has become an important issue. And 'networking and sharing Internet bandwidth (bandwidth) for ordinary household users' often has a need' but lacks technology. In addition, it is inconvenient and economical to equip each Internet access device with a telephone line. Especially in the combination of Ethernet and wireless network, there is still no better solution. 5-3 Purpose and summary of the invention: / In view of the group and network home or network equipment, the present invention can also provide users with a fast and convenient way to set up a home or SME area network. It also allows all SMEs' Internet access equipment, including computers and others, to share a telephone line, not only making full use of bandwidth, but also having Internet access equipment for centralized management. 'Intuitive Road and Wireless Another object of the invention is convenience and ease of use. You can use it through simple network settings ’. This system also provides a better solution for the combination of Ethernet networks.

t a53〇68 5. Description of the invention (5) According to the above-mentioned object, the present invention provides a network control device for connecting an Internet access device to the Internet through a transmission line. The device of the present invention includes a hub for connecting a plurality of computers, a wireless network device for connecting a plurality of network tablets, and a device for connecting an Ethernet device and a wireless network device to form an area A network bridge, and a modem to connect the local area network to the Internet. In the device of the present invention, the hub can use a 10Base_T Ethernet controller or a 100Base-T Ethernet controller, and the wireless network device uses a PCMCIA card. The bridge contains a central processing unit and memory, and the connection between the Ethernet and the wireless network is implemented in software. A network address translation control is performed between the device area and the modem, and an address translation address conversion correspondence table is issued. In addition, the private server, the U server, and the network server include a dynamic host configuration protocol server to separate the device at the application layer. The network management protocol proxy is lightweight to handle network protocol addresses. It is easy to perform system configuration tasks. A 4 diagram briefly illustrates the embodiment and the diagram, the above-mentioned objects and advantages of the present invention will be described below and described in detail as follows, wherein: Qiaoxiao The first diagram is a schematic diagram of a network control device connection. The second diagram is a Network control device Pei Zhi appearance Hachi

Page 8 Q_ V. Description of the invention (6) The third diagram is a schematic diagram of the hardware structure of a network control device; the fourth diagram is a software hierarchical structure diagram of a network control device; the fifth diagram is software data of a network control device Flow chart diagram; Figure 6 is a flowchart of a network control device bridge program; Figure 7 is a network address translation address translation correspondence table; Figure 8 is a flowchart of a network control device network address translation program This is a flowchart of the functions of the area-to-internet in a network address translator. Representative symbols of the main part: 10 network control device 10- -1 Ethernet device 10- -2 wireless device 10- -3 pair of external connection device 10- -4 bridge device

Page 9 V. Description of the invention (7) 12 Power socket 14 Telephone line connection 〇 PCMCIA d 18 RJ45 interface 20 Central processor 22 Memory 24 Receiver 25 Modem 26 Buffer area 27 Hub ί 02 Telephone line 110 Personal computer 112 Network tablet 114 Wireless personal computer 116 Internet program flow 40 1 -406 Network control device software layer 50 1 -53 1 Network control device software data flow 601 -608 Network control device bridge program flow 70 1- 704 Network address translation Address translation corresponds to 8 0 1 -807 Network control device Network address translation 901-906 Regional function flow to the Internet 5_5 Detailed description of the invention:

Q 45 ~

V. Description of the Invention (8) Some embodiments of the present invention will be described in detail as follows. However, except. In addition to the detailed description, the present invention can also be widely implemented in other embodiments. The scope of the present invention is not limited, and the scope of the following patents shall prevail. And the kind of network is connected to the local area network (LAN-related applications, the computers in the network share an electric device software and a shared path prepared by the network digital control device to control the network.) At the same time, the network device Purpose (Bridge uses mutual transmission capital to invent a network product that is a small and medium-sized enterprise and other Internet access products. By connecting it, it will be easy to locate Loca1 Area online games, etc. It can be achieved through network-controlled live lines. Therefore, it can be developed between devices and boards. It is developed for centralized management of home users or resources. Users only need to call the powerhouse or the small and medium-sized enterprise area), and can carry out various networks: digital tablet 'and area. Modem built in the network, In addition, a network control), computer information in the local area network. Contains wired network connection devices, and road (Etherne road's ring mark Ethernet network device if the individual is mainly a pen control device. Externally connected road device, benefit ^ 1 »> bridge device, t) device as the main network (The part of the token, the computer of which is an Ethereum-type computer or a link. Among them, the network control device of the present invention is basically a wireless network device, which is connected to the outside. The current wired network is Ethernet. , However, other wired networks still have fiber network ring), and other types of networks. B functions like a traditional hub, with a main network connection. The part of the wireless network device is a device such as a network tablet and the network of the present invention, which is mainly connected by a PCMCU card.

4 Γ, · ° 3 〇e V. Description of the invention (9) is a modem 'It is generally connected to the Internet with a RJ 1 1 telephone line. In addition to modems, you can also use the overall service digital network SDN;

Integrated Services Digital Network), Asymmetric Digital Subscriber Line (ADSL; Asymmetric Digital Subscriber Line) or Gao Line modem (C a b 1 e m o d e m) and other external connections. The bridging device is mainly used to connect the above-mentioned Ethernet device and wireless network device so that any device connected to the network control device of the present invention can transmit data to each other and surf the Internet. Next, a preferred embodiment of the network control device of the present invention is described through the description of the first to ninth figures. As shown in the first figure, a schematic diagram of a network control device and network control are shown. Diagram of the communication relationship between the device 10 and peripheral components. ^ Road control device 1Q mainly includes four parts, Ethernet device 1G-1, wireless ^ 1D-2 ′ external connection device 1G_3, and bridge device 1 () _ 4. In this embodiment, there are four personal computers 110-1, 110-2, 110-3, 110 4 which are numbered from PCI, PC2, v, U'4, and Ethernet device 10 of the device 10 / work. 2: Do not connect to the network control. 10-2 is based on the PCMCU card. In the example, the wireless network device is only 'brother' and some wireless network digits 柘 n? 'Network tablet 112 ~ 2, month & Plus, +1 the network installation magic link. In the ether; no? The personal computer 114 is a wireless modem, and is connected to the Internet through an external connection. "Yes" ^ is the connection between the Ethernet and the network. Bridge 褒 External connection device 10-3 connects ^… line network device 10-2, together with 110-2, 11〇-3, 11〇 ^, makes four personal computers 丨 10-1 and wireless network digits Board 112-1, network

Page 12 6 '〇 6 V. Description of Invention (ίο) —- The digital tablet 11 2-2 can not only exchange data, but also connect to the Internet through an external connection device 10-3. As shown in the first figure 'is a schematic diagram of the appearance of the network control device 10. The network control device 10 is composed of a hardware structure, and its appearance is shown in the figure. It has a power socket 1 2 ', a RJ 1 1 telephone line connector 1 4, a PCMC IAA connector 1 6, and a plurality of RJ 4 5 Connector 18, and some light emitting diode (le D s) lights (not shown in the figure) and other components. The hardware in the network control device, as shown in the third figure, includes a central processing unit (CPU) 20, a memory (including SDRAM 'FLASH, MROM, NVSRAM) 22, and a built-in modem (On -Board Modem) 25, a group of 4 port regeneration controllers (

Repeater Controller) consists of 10 Base-T Ethernet controller 27 (also 100 Base-T), a buffer area 26 connected to PCMCIA interface 16, and some light emitting diodes. The CPU 20 and the memory 22 may use software to implement the functions of the network system entity, such as a bridge described later, or software in the application layer. For the user, there are three kinds of interfaces: one RJ11 interface is connected to the telephone line 14; four RJ45 interfaces are connected to the network cable 18: a PCMCIA interface is connected to the wireless PCMCIA card 16 to communicate with the network tablet. Next, the software hierarchical structure of the network control device in the Open System Interface (0S I; Open System Interface) is shown in the fourth figure. The bottom is the hardware 401, and the top is the driver. 402 and Real Time Operating System (RST0; Real Time Operating System)

Page 13 V. Description of the invention (11) Core 4 0 3 'The driver 4 0 2 in the figure contains the modem driver 40 2 ~ 1, the Ethernet driver 402-2, and the PCMCIA driver 402- 3. Wireless network driver 402-4 'and point-to-point transmission protocol (ppp; point-to-point protocol) driver 40 2-5. At the Data-Link layer, you need to implement the bridge 400 by software, and use the TCP / IP stack 40 5 at the network layer and the transport layer to implement the network. Address Translation (NAT). At the application layer ’, there is a DHCP (Dynamic Host Configuration Protocol) server 406- 1 to assign an IP address; Simple Network Management Protocol (SNMP)

Protocol (Agent) 406-2 to implement network management, and a network server (Web Server) 406-3 to perform system setting work. The software in the disused layer is completed in the CPU and the memory. The main function of the network control device is the sharing of resources (telephone lines) on the Ethernet and wireless network. It is realized by bridge and network address translation. The bridge connects the Ethernet and wireless networks to each other at the second layer of the open system interconnection data link layer (AcCess uses the network address translation to interconnect the third layer of the network at the open system, and the layers implement Ethernet and Wireless network access to the Internet. Next, the software data flow diagram of the network control device is introduced by the fifth diagram. As shown in the fifth diagram, starting from the Internet side, the data is on the network 5 〇 In the process, the entity 503 is linked to 502, and the data in entity 503 is connected by electricity 406. Explanation of the invention (12) The telephone line is connected to the modem 504. Network control device. The transmission protocol between modem 504 and IP packet 506 is connected by point-to-point transmission protocol 505. IP packet 506 is connected with network card 508 via 802. 3 protocol 507. Data from modem 5 0 4 out and receive is controlled by network address translation. The flow of this section is described in Figure 8 and Figure 9. As shown in Figure 5, starting from the Ethernet side, the data is on the network. 51 〇 Zhongli linked 511 in entity 512, at this time the data passed 1 £££; It can be transmitted to the modem 5 0 4 to access the Internet or obtain data from the Internet, or it can be transmitted to the wireless network via a bridge. —As shown in Figure 5 7Γ 'From the wireless side, the data is on the network 5 2 The link 5 2 1 is in the body 5 2 2, and then the girl comes out from the & a. It ’s a wireless media transmission bridge bridging. The main function is to packet 53q card 531 to Ethernet or The modem is transmitted from the network) 532 to the wireless network, and the process of transmitting the application program (ATP) is shown in Figure 6. In the network control device, the interface is stored on the Ethernet and wireless network. Take control (MAC) address table records Ethernet and wireless transfer process are judged according to the driver. The main link of the bridge is shown in the flowchart of the sixth figure. The implementation of the bridge is at the data link layer. It is based on the driver. It is implemented by using the media transfer process. The address table is divided by the set of access control address set of the end of the road. The packet sent is for the media access control address. Wireless network τ 'starts from 6 0 1 Driver

No. 15 Stomach Fifth: Explanation of the invention (13) Two = whether the source media in the pastoral stone published that the destination address is not the address of the concubine "(no need to forward) _, if the tea comes to the packet 6 0 7 and return to private r η!. ^^ line network driver 掊 1. After that, transfer the packet to the non-existent line network: ϋΐ Next, determine whether the destination address of the packet is accessed via the media 彳 $ 钿 M u I ^ Ύ b if not The wireless network will return to the beginning of the control address set. If the address is not in the wireless network medium and sent to the access control address set, the packet will be reversed to the open system interconnection at the same time. Network layer 60 8. Medium. The implementation of network address translation is implemented at the network layer) and Gang Zheng ^ Road Association (IP; internet Pr〇t〇C〇1) write (NetReceive ) 'Is implemented using network address translation ^ stop table and transfer process. The address table records the network protocols of the intranet (including Ethernet and wireless networks) and the extranet (wide area network) 絪 =: The structure of the interpersonal relationship and the correspondence table is shown in Figure 7. The transfer process is based on the packets on the network. The location address is judged, and the flow chart is shown in circle 8. As shown in the seventh figure, the address translation table for network address translation is the implementation of multiple Internet accounts for multiple people / f. Among them, the external address 701 records It is the external network protocol address on the external Internet. The external port number 7 0 2 column records its external port number. (80 means material w, 25 means SMTp, 23 means Telnet, and 110 means POP3.), Internal Address 703 column records each

Page 16 453 5. Invention description (14) The actual network protocol addresses of the users, and the port number 704. External address 705 records a network protocol address to which a network control device is assigned. (That is, the actual network protocol address used when the packet was sent). The correspondence shown in this correspondence table can ensure that each packet is correctly transmitted to each user's computer or network tablet. If the user has several computers and a network tablet, the network protocol addresses are 10.0. 0. 2 to 1 0. 0. 6. Each user wants to access b, send and receive emails, or download files. The source address in the network protocol header of the user's request packet, data packet 'connection packet will be changed to one assigned by the network control device. This network protocol address and the corresponding relationship of this connection such as external address 701 'external port number 702, internal address 703' internal port number 704 will be recorded in the network address translation address translation correspondence table. In this way, when the requested data is sent back, the packet is dispatched to each user's computer and network tablet according to the corresponding relationship. Figure 8: Flow chart of a network address translation program for a network control device. As shown in the figure, a packet is first obtained from the interface received from the network at the beginning 801. Then, it is determined whether it is the fourth version of the Internet Protocol (I p v 4) 802: otherwise, the packet is continuously received. Next, determine whether the destination address and source of the network protocol are in the area 803. If it is a local area network, it does not need to be forwarded and returns directly to the detail 1. Then it determines whether the source address is local 804, if yes, then it goes through the local area network to the Internet (loc2inet; [0 ^ 1 aea ηΜ

V. Description of the invention (15) _______ to InterNET) 805 (Figure 9) After processing, it is transmitted to the wide address from the wide area network (representing receiving data from the modem 3 network 'If the source Internet to the local network (ine 12 1 〇c; I nte 1 'Transfer to the local area network after processing 807. t〇LOCal area The ninth figure is a flowchart of the number of areas in the network address translation program. As shown in the figure, from the beginning 9 〇i, go to the Internet address and port number 9 〇2; then, determine the network location: f "The network protocol of the packet is 903, if not, create a new network address translation table 9 〇1 The registered external port ㉟'internal address', the internal port line address, is registered 904; then 906 is ended. D. The network address translation table is prepared by the analog circuit connected to the Internet network, and is a routine control device. On the PCMCIA, and only by the way described above, the combination of the network and the local area network is realized. The computer connected to a small or small device such as a network device is connected to a network device. The present invention provides a network control Bridge address This is an easy-to-manufacture device. Ethernet translator will distinguish between general and Internet solutions for a computer and some simply connect the computer to the local area network. The connection material. The computers on the network pass a telephone line to each other. All boards can be connected to the Internet access system, and then use the network to provide shared resources for use in the office. If there is a board, use 'is convenient to set up. Internet control devices, Internet accounts, computers, and The number of networks, which is connected to the wireless network via a software network. If you use a wireless network, you can set up a network cable on the network and you can also input data on the network control panel. There is a connection on the Internet. Visit

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° G 5. Description of the invention (16) Downloading files and other questions to the Web site, sending and receiving e-mails The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of patent application of the present invention; Equivalent changes or modifications made under the spirit disclosed in the present invention should all be included in the scope of patent application described below.

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Claims (1)

4 〇 6. Scope of patent application 1. A network control device, which is used to connect the Internet device to the Internet through a transmission line. The device at least includes: μgan Fuhuan computer connection; wireless network device is used to connect a plurality of network tablet; bridge device is used to connect the wired network to form a local area network; and / … Stepping on Zhou Lushang's external connection device is used to connect 誃 F α. Λ ^ Local network is connected to the Internet. 2. The installation of item 1 in the scope of patent application is an Ethernet device. Among them, the above-mentioned wired network device 3. If the dream department of the scope of patent application No. 2 ^ includes at least one hub. The above-mentioned Ethernet network Pei Zhi, such as the above, 4. Item # 3 of the scope of patent application # ¥ ^ 甘 ^ Including 10 Base-T Ethernet controller, the above-mentioned hub includes at least 5 3 items are scattered, including 100 Base-T Ethernet controller. The above-mentioned hubs include at least 6. If the device under the scope of the patent application] _, contains at least a PCMCIA card. " China Wireless Network Page 20 6. Scope of patent application Among the above-mentioned external connection devices, among which the above-mentioned bridging device is at least r • If the device in the scope of patent application No. 1 includes a modem. 8. The device according to item 1 of the patent application includes a central processing unit and a memory. The above-mentioned bridge device is based on 9. If the device in the scope of patent application is No. 8 and its software realizes the connection between Ethernet and wireless network, among which the main functions of the above software are Including: obtaining a packet from the driver; updating the media access control address set according to the source media access control address of the packet; determining whether the destination address of the packet is in the source media access control address set; transmitting the packet to the wireless network Driver interface; judging whether the destination address of the packet is in the wireless network medium access control address set; and when the destination address of the packet is not in the wireless network medium access control address set order, the packet is sent to the open simultaneously System interconnects the network layer. For example, the device of the scope of application for patent No. 10, wherein the driver is a real-time operating system. : 6. Scope of patent application 1 2. For the device of scope 1 of the patent application, where the above-mentioned local area network and the externally connected device are controlled by network address translation. 13. The device of item 12 in the scope of patent application, wherein the above-mentioned network address translation includes at least one network address translation address translation correspondence table. 14. For the device in the scope of claim 13 of the patent application, the above-mentioned method of network address translation includes at least: obtaining a packet from an interface received by the network; determining whether the packet is in an Internet protocol format; determining the network of the packet Whether the destination address and source of the agreement are in the local network; determine whether the source address is local; pass to the wide area network after processing from the local network to the internet; and pass to the local area network after processing from the internet to the local network road. 15. For the device with scope of patent application item 14, the LAN-to-Internet function flow in the above-mentioned network address translation program rarely contains: the network protocol address and the end of the packet fetching to determine the network address Whether the translation table already exists; create a new network address translation table; and register the network address translation table based on the external address, external port number, internal address, and internal port number. 6. Scope of patent application 1 6. If the patent application scope is determined by the server to allocate the network 1 7. As the patent application scope E 疋 agent program to handle 1 8 · Such as the patent application scope β system setting work. 19. A network control device uses a transmission line and a hub, which is a bridge of wireless network devices, which is used to form a local network; a modem, which uses 20. If the patent application includes 10 Base -T Ethernet 21. If the patent application i includes the device of 100 Base-T B ^ item 1, it also includes the dynamic host allocation protocol address β] The device of item 1 also includes the Simple Network Management Network Road management.丨 The device of item 1 further includes a network server to access the device. The network control device is used to connect the Internet to the Internet. The device includes at least: used to connect a plurality of computers; Connect a plurality of network tablets; to connect the hub to the wireless network device and to connect a distant network to the Internet. The device surrounding item 19, wherein the hub is at least a network controller. ! The farming equipment of item 19, wherein the above hub has at least a network controller. 2 2. If the device of the scope of patent application is item 19, the above wireless network device includes at least a PCMCIA card. 6. The scope of the patent application of category 2. 3. The device of scope 19 of the patent application, where the bridge includes at least the center. Processor and memory. 24. The device according to item 23 of the scope of patent application, wherein the bridge is implemented by software to connect the Ethernet and the wireless network. 25. For the device with the scope of application for patent No. 24, the main functions of the software include at least: obtaining a packet from the driver; updating the media address set based on the source media access control address of the packet; judging the purpose of the packet Whether the address is in the source media access control address set; Pass the packet to the wireless network driver interface;: = Whether the destination address of the packet is in the wireless network media access control network media access control address system interconnection Network layer. When the destination address of the packet is not in the wireless set, the packet is sent to the open system at the same time as the driver system described above. 6. As in the device of the scope of the Chinese patent No. 25, a real-time operating system. Page 24 4 S3 〇G 6. Scope of patent application 2 7. For the device of scope of patent application item 19, the above-mentioned local area network and the modem are controlled by network address translation. 2 8. The device according to item 27 of the scope of patent application, wherein the above-mentioned network address translation includes at least one network address translation address translation correspondence table. 29. The device according to item 28 of the scope of patent application, wherein the method for translating network addresses at least includes: obtaining a packet from an interface received on the network; determining whether the packet is in an Internet protocol format; determining the network of the packet Whether the destination address and source of the road agreement are in the local area network; determine whether the source address is local; pass to the wide area network after processing from the local area network to the Internet; and pass to the local area after processing from the Internet to the local area network network. 3 /, such as the device in the scope of patent application No. 29, in which the function of LAN-to-Internet function in the above-mentioned network address translation program includes at least: the network protocol address and port number of the obtained packet; the determination of the network address Whether the translation table already exists; create a new network address translation table; and, register the network address translation table based on the external address' external port number, internal address, and internal port number. Page 25 4 S3 〇 6. Scope of patent application 31. If the device in the scope of patent application is item 19, the protocol server allocates network protocol addresses. 32. If the device in the scope of patent application is item 19, the agent is used to deal with network management. 33. If the device in the scope of patent application No. 19 is used for system setting. 34. All the way and network includes judging the set of addresses from the root system; using the set of judging addresses as a set, and from the computer network route network driver according to the packet; breaking the packet to break the packet; the packet to the packet The signal processing in the network connection media # The external connection to the installation network. The party receives the packet at the same time as the packet that is wirelessly received from the destination to the destination without the packet. 4 Deliver the packet; Source media access must include at least: Control address update Media access control address is $ for + 疋 沓 In the source media access control address line network driver interface; whether the address is in wireless network media access control. : 5 ί wireless network media access control address 'network screen in Khan-type system interconnection. Get this packet; said' It also includes dynamic host configuration, it also includes simple network management, it also includes a web server. Scope of patent application_judge whether the packet is in the Internet protocol format. 4 Check whether the packet is in the Internet protocol format. Determine whether the destination address and source of the network protocol of the packet are in the local area network. Determine whether the source address is local. After processing from the LAN to the Internet, it is transmitted to the WAN; and 'Dining over the Internet to the LAN ^ to the local LAN 35. The above-mentioned driver in the 34th area of the magnetic patent application for real-time operation system. It is the method according to item 34 of the scope of patent application, wherein the above-mentioned LAN to Internet function flow includes at least: the network protocol address and port number of the packet; determining whether the network address translation table already exists Create a new network address translation table; and ~ Register a network address translation table based on the external address, external port number, internal address, and internal port number. 37 7. The method according to item 34 of the scope of patent application, wherein the above-mentioned Ethernet device includes at least one hub. 38> The method according to item 34 of the patent application range, wherein the hub includes at least a 10 Base-T Ethernet controller. 6. Scope of patent application 39. For the method in the scope of patent application item 34, the above-mentioned hub includes at least a 100 Base-T Ethernet controller. 40. The method of claim 34, wherein the wireless network device includes at least a PCMCIA card. 41. As for the method in the 34th aspect of the patent application, its ten external connection devices include a modem. 42. The method of claim 34, wherein the signal processing process is completed in a central processing unit and a memory. 43. If the method in the scope of the patent application is No. 34, it further includes a dynamic host configuration protocol server to allocate network protocol addresses. Contains simple network management 44. The method of the scope of patent application No. 34 The protocol agent handles network management D: Line = Γ The method of No. 34 'also includes a network servlet Page 28