CN1710873A - Network transmission apparatus and method - Google Patents
Network transmission apparatus and method Download PDFInfo
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- CN1710873A CN1710873A CN 200410048133 CN200410048133A CN1710873A CN 1710873 A CN1710873 A CN 1710873A CN 200410048133 CN200410048133 CN 200410048133 CN 200410048133 A CN200410048133 A CN 200410048133A CN 1710873 A CN1710873 A CN 1710873A
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- network transmission
- transmission device
- lan
- connectivity port
- dmz
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Abstract
The network transmission equipment includes a network transmission device and an exchanger connected to the device. The exchanger includes multiple connection ports. Using technique of virtual local area network (LAN), the invention divides the multiple connection ports into at least a connection port of LAN and at least a connection port of WAN. In addition, through technique of virtual LAN, the invention separates out a DMZ connection port. Using a setting mechanism sets up a computer connected to the DMZ port as a DMZ host. The method includes following steps: using technique of virtual LAN divides multiple connection ports of the network transmission device into at least one WAN port and at least two LAN ports; through the network transmission device and other LAN connection port, data transmission can be carried out between a device online connected to any one LAN connection port and device connected to WAN connection port.
Description
Technical field
The present invention is about a kind of network transmission device and method thereof, utilizes Virtual Local Area Network (Virtual LAN, VLAN) technology is cut a kind of network transmission device and the method thereof of connectivity port especially in regard to a kind of.
Background technology
With reference to Fig. 1, a router one 0 comprises a central processing unit (Central Processing Unit, CPU) 17 and two medium accesses controls (Media Access Control, MAC) assemblies 111 and 112 traditionally.(Physical Layer, PHY) chip 121 and an interchanger 13 are online to a LAN (Local Area Network, LAN) 16, online for as items of equipment such as computers to a MAC assembly 111 in this router one 0 via a physical layer.112 of another MAC assemblies are via another PHY chip 122, and through a for example Asymmetrical Digital Subscriber Line (Asymmetric Digital Subscriber Line, ADSL) 14 or cable modem (Cable Modem) be online to Wide Area Network (Wide AreaNetwork, WAN) 15.
After employed items of equipment is online to this interchanger 13 in the above-mentioned LAN 16, must see through two PHY chips 121 and 122 and this router one 0 in two MAC assemblies 111 and 112, just connected Wide Area Network 15, comparatively complicated on its transfer of data, and hardware cost is higher.
In addition, the network equipment can see through non-region of war (Demilitarized Zone, DMZ) setting, can allow provides the computer of open resource or server to have the usefulness of a particular ip address for access, and promptly computer that DMZ connected or server are can designated specific IP online to carry out.Yet, traditional DMZ connectivity port connect must by the user user's interface (User Interface, UI) end is set, its setting program is quite complicated, thereby has increased the degree of difficulty of its use.
Virtual Local Area Network is to utilize one as the interchanger network equipments such as (Switch), the battery limits that connect in the mode of logical division are divided into different groups, and the group that in fact might not link to each other can be linked up in the mode of logic, make the equipment room that each group comprised, communication behavior each other is the same with their actual linking together the time.
Can utilize the cutting apart of VLAN interchanger all can store its main frame that connects (host) the characteristic of MAC Address of process, be set at different groups according to different MAC Address, promptly formed each LAN.
Summary of the invention
The invention provides a kind of network transmission device, comprising:
One Network Transmission device (a for example router); And
One interchanger.This interchanger is online in this Network Transmission device, and it comprises a plurality of connectivity ports.These a plurality of connectivity ports are to utilize vlan technology to be cut at least one LAN connectivity port and at least one Wide Area Network connectivity port, make that the data between Wide Area Network and the LAN can be transmitted by this interchanger.
The invention provides a kind of network transfer method, comprise the following steps:
(1) utilize the Virtual Local Area Network technology that a plurality of connectivity ports of one network transmission device are divided at least one Wide Area Network connectivity port and at least one LAN connectivity port; And
(2) online device in arbitrary LAN connectivity port can carry out transfer of data via the device of this network transmission device and other LAN connectivity port and Wide Area Network connectivity port.
In addition, network transmission device of the present invention can utilize vlan technology to cut out a DMZ connectivity port equally in a plurality of connectivity ports that it comprised, and the computer or the server that utilize a program will be connected in this DMZ connectivity port be made as a DMZ main frame, makes this network transmission device have the function of automatic setting DMZ main frame.
Utilize network transmission device of the present invention and method thereof, can simplify hsrdware requirements, and then reduce cost.In addition, network transmission device of the present invention and method thereof can lower the technical threshold of use, thereby increase the convenience on using.
Description of drawings
Below with specific embodiment and be described with reference to the accompanying drawings the present invention.
Fig. 1 is known network transmission architecture schematic diagram;
Fig. 2 is the schematic diagram of the network transmission device of first preferred embodiment of the present invention;
Fig. 3 is the schematic diagram of the network transmission device of second preferred embodiment of the present invention;
Fig. 4 is the schematic diagram of the network transmission device of the 3rd preferred embodiment of the present invention.
The element numbers explanation:
10 router ones, 11,112 MAC assemblies
121,122 PHY chips, 13 interchangers
14 ADSL, 15 Wide Area Networks
16 LAN, 17 central processing units
30 network transmission devices, 31 connectivity ports
311 DMZ connectivity ports, 32,41 DMZ main frames
Embodiment
Please refer to Fig. 2, the network transmission device 20 of first preferred embodiment of the present invention comprises a Network Transmission device (a for example router) 21, one a PHY chip 23 and an interchanger 22.This Network Transmission device 21 comprises a central processing unit 211 and a MAC assembly 212.By the control of this central processing unit 211, data can be transmitted via this MAC assembly 212, PHY chip 23 and this interchanger 22.This interchanger 22 comprises five links 221 to 225, and utilizes the VLAN cutting techniques that this connectivity port 221 to 224 is made as the LAN connectivity port, and this connectivity port 225 then is made as the Wide Area Network connectivity port.So, equipment (as the computer or the network printer etc.) in one LAN 25 can be connected any LAN connectivity port 221 to 224, and an ADSL 24 (or a cable modem) is connected in this connectivity port 225, to carry out the transfer of data of 26 of this LAN 25 and Wide Area Networks.
Compared to known techniques, the interface that this network transmission device 20 connects this Wide Area Network 26 and LAN 25 all is to see through this interchanger 22, therefore only need a PHY chip 23 and a MAC assembly 212, thus hardware designs can be simplified, and save the cost expenditure on the hardware.In addition, these central processing unit 211 performed transmission procedures also must reset, to cooperate different hardware and transmission path.
If the descending data of desire, the data of this Wide Area Network 26 is to be sent to this connectivity port 225 via this ADSL 24, again via this PHY chip 23 and this MAC assembly 212, and, oppositely see through this MAC assembly 212 and PHY chip 23 and be sent to this interchanger 22 through the indication of this central processing unit 211.At last, again by this connectivity port 221 to 224, the equipment in the connection in the LAN 25.If the up data of desire, then its transmission direction is opposite.The interchanger of integrating the PHY chip at present develops out, so this interchanger 22 also can adopt the interchanger that possesses the PHY data-transformation facility, and this PHY chip 23 is omitted.
Fig. 3 is the schematic diagram of the network transmission device 30 of second preferred embodiment of the present invention, and wherein this network transmission device 30 can be a router.Utilize vlan technology that the connectivity port 31 of this network transmission device 30 is cut out connectivity port, a non-region of war (DMZ) 311, and setting mechanism (a for example driver) with one, to set the computer or the server that are connected in this DMZ connectivity port 311 be a DMZ main frame 32.So, as long as a computer or server are connected to this default DMZ connectivity port 311, assert that promptly it is a DMZ main frame 32.Therefore, this network transmission device 30 can save the loaded down with trivial details step that the user sets up DMZ main frame 32 on their own, and significantly reduces its technical threshold.
With reference to Fig. 4, it is the network transmission device that shows the 3rd preferred embodiment of the present invention.Fig. 2 Central Plains is set at the DMZ connectivity port as the connectivity port (for example the connectivity port 224) in this connectivity port 221 to 224 of LAN connectivity port, connect for a DMZ main frame 41, make this interchanger 22 possess Wide Area Network, the online function of LAN and DMZ connectivity port simultaneously.
Utilize network transmission device of the present invention and method thereof, can simplify hsrdware requirements, and then reduce cost.In addition, network transmission device of the present invention and method thereof can lower the technical threshold of use, thereby increase the convenience on using.
Claims (10)
1, a kind of network transmission device is characterized in that comprising:
One Network Transmission device;
One interchanger is online to this Network Transmission device, and this interchanger comprises a plurality of connectivity ports, and these a plurality of connectivity ports are to utilize the Virtual Local Area Network technology to be cut at least one LAN connectivity port and at least one Wide Area Network connectivity port.
2, device as claimed in claim 1 is characterized in that: these a plurality of connectivity ports utilize the Virtual Local Area Network technology to cut out connectivity port, a non-region of war in addition.
3, device as claimed in claim 1 is characterized in that: also comprise a physical layer chip, be arranged between this Network Transmission device and the interchanger.
4, device as claimed in claim 1 is characterized in that: this Network Transmission device is a router.
5, device as claimed in claim 1 is characterized in that: this Network Transmission device comprises a medium accesses control assembly.
6, a kind of network transmission device is characterized in that comprising:
A plurality of connectivity ports, it is to utilize the Virtual Local Area Network technology to cut out a DMZ connectivity port;
One sets mechanism, in order to being a DMZ main frame with an online computer settings in this DMZ connectivity port.
7, device as claimed in claim 6 is characterized in that: this setting mechanism is a driver.
8, a kind of network transfer method is characterized in that comprising the following steps:
Utilize the Virtual Local Area Network technology that a plurality of connectivity ports of one network transmission device are divided at least one Wide Area Network connectivity port and at least two LAN connectivity ports; And
Online device in arbitrary LAN connectivity port can carry out transfer of data via the device of this network transmission device and other LAN connectivity port and Wide Area Network connectivity port.
9, method as claimed in claim 8 is characterized in that: also comprise the step that one of a plurality of connectivity ports is set at a DMZ connectivity port.
10, method as claimed in claim 9 is characterized in that: also comprising an online computer settings in this DMZ connectivity port is the step of a DMZ main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410048133 CN1710873A (en) | 2004-06-16 | 2004-06-16 | Network transmission apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410048133 CN1710873A (en) | 2004-06-16 | 2004-06-16 | Network transmission apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1710873A true CN1710873A (en) | 2005-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410048133 Pending CN1710873A (en) | 2004-06-16 | 2004-06-16 | Network transmission apparatus and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461734C (en) * | 2006-12-28 | 2009-02-11 | 杭州华三通信技术有限公司 | Communication device and implementation method with the LAN/WAN port switching function |
| CN101478384B (en) * | 2008-01-03 | 2011-05-04 | 凌群电脑股份有限公司 | Establishing method for synchronization and corresponding relation of network equipment |
-
2004
- 2004-06-16 CN CN 200410048133 patent/CN1710873A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461734C (en) * | 2006-12-28 | 2009-02-11 | 杭州华三通信技术有限公司 | Communication device and implementation method with the LAN/WAN port switching function |
| CN101478384B (en) * | 2008-01-03 | 2011-05-04 | 凌群电脑股份有限公司 | Establishing method for synchronization and corresponding relation of network equipment |
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