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Net gate apparatus and control method thereof

A gateway and control component technology, applied in the direction of secure communication devices, network connections, data exchange networks, etc., can solve the problems of impossible access to multiple PPPoE servers, impossible access to the network, and inability to select multiple PPPoE sessions at the same time

Inactive Publication Date: 2003-08-20
PANASONIC CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hence the problem that it is impossible to access multiple PPPoE servers because each terminal (1609 to 1611) cannot select multiple PPPoE sessions at the same time
And, there is another problem, when the source IP address matches, it is impossible to access the network using IPoE since the IPoE frame is automatically output as PPPoE frame

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0061] FIG. 9 is a schematic structural diagram of a gateway device 100 according to the first embodiment of the present invention. FIG. 10 is a schematic diagram of an example of a network structure to which gateway devices 100 according to the first embodiment of the present invention are connected.

[0062] As shown in FIG. 10 , the gateway device 100 is connected at one interface thereof to a network 201 using IPoE as a protocol, and networks 202 to 204 using PPPoE as a protocol. The gateway device 100 communicates with a gateway 205 installed in a network 201 and PPPoE servers 206 to 208 installed in networks 202 to 204 , respectively. The gateway device 100 is further connected at another interface thereof to terminals 209 to 211 such as personal computers with IPoE as a protocol.

[0063] In gateway device 100 shown in FIG. 9, frame transmission / reception sections 101 and 102 transmit frames to Ethernet (R) I / F, or receive frames from Ethernet (R) I / F. The IPoE / PPPoE ...

no. 2 example

[0090] FIG. 13 is a schematic structural diagram of a gateway device 500 according to the second embodiment of the present invention. FIG. 14 is a schematic diagram of an example of a network structure to which gateway devices 500 according to the second embodiment of the present invention are connected. In addition, in FIG. 13, components assigned the same reference numerals as those in FIG. 9 also have the same functions, so descriptions thereof are omitted.

[0091] As shown in FIG. 14 , the gateway device 500 is connected at one interface thereof to networks 601 to 603 having IPoE as a protocol and a network 604 having PPPoE as a protocol. The gateway device 500 communicates with the gateways 605 to 607 respectively installed on the networks 601 to 603 and the PPPoE server 608 installed on the network 604 . At another interface thereof, the gateway device 500 is further connected to terminals 609 to 610 such as a personal computer using IPoE as a protocol, and a terminal ...

no. 3 example

[0107] The gateway device 800 according to the third embodiment has both the functions of the first and second embodiments. FIG. 16 is a schematic structural diagram of a gateway device 800 according to a third embodiment of the present invention. FIG. 17 is a schematic diagram of an example of a network structure to which gateway devices 800 according to the third embodiment of the present invention are connected. Furthermore, in FIG. 16, components assigned the same reference numerals as those in FIG. 9 have the same functions, so descriptions thereof are omitted.

[0108] As shown in FIG. 17 , the gateway device 800 is connected at one interface thereof to a network 901 having IPoE as a protocol and networks 902 to 904 having PPPoE as a protocol. The gateway device 800 communicates with a gateway 905 installed on a network 901 and PPPoE servers 906 to 908 installed on networks 902 to 904 , respectively. At another interface thereof, the gateway device 800 is further conne...

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Abstract

IPoE / PPPoE forwarding table 106 is provided with which registered are network addresses, protocol types, destination IP addresses used in IPoE and retrieval indexes of PPPoE sessions used in PPPoE, a protocol type is selected corresponding to a network address in IPoE / PPPoE forwarding table 106 that matches a destination IP address included in header information of an IP packet of an input frame, and when the selected protocol type is PPPoE, a PPPoE session is further selected from a retrieval index corresponding to the network address.

Description

technical field [0001] The invention relates to a gateway device supporting PPPoE (point-to-point communication protocol based on Ethernet) and a method for controlling the device. Background technique [0002] Traditionally, gateway devices have been used to enable intercommunication between a company's internal network and external networks. For example, a gateway device is used as a protocol converter between interconnected networks of different communication protocols. Examples of gateway device configurations are: a gateway device configuration that supports only IPoE (Internet Protocol over Ethernet(R)) as an external network protocol, and a gateway device configuration that supports both IPoE and PPPoE as an external network protocol. [0003] FIG. 1 illustrates the structure of a gateway device 1100 supporting only IPoE. FIG. 2 is an illustration for explaining an example of a network configuration in which gateway devices 1100 supporting only IPoE are connected. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L69/167H04L29/06095H04L29/06149H04L29/06068H04L69/168H04L69/08H04L29/06142H04L29/06163H04L69/16H04L29/06H04L69/18H04L69/085H04L9/40
Inventor 铃木弘喜西田享邦林経正
Owner PANASONIC CORP
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