Method for realizing data forwarding through unnumbered interface of Ethernet

An Ethernet, no number technology, applied in the field of network communication, can solve the problems of incapable Ethernet interface, restrictions, etc., to achieve the effect of improving usability, reducing IP addresses, and reducing the use of IP addresses

Active Publication Date: 2013-03-20
CHONGQING JINMEI COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims at the above-mentioned problem that the borrower cannot be limited by the Ethernet interface, and provides an Ethernet unnumbered interface as a relay interface to realize a message forwarding method

Method used

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  • Method for realizing data forwarding through unnumbered interface of Ethernet
  • Method for realizing data forwarding through unnumbered interface of Ethernet
  • Method for realizing data forwarding through unnumbered interface of Ethernet

Examples

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Embodiment Construction

[0013] In order to realize the object of the present invention, the present invention provides an Ethernet unnumbered interface as a relay interface, including: a configuration management module, an interface management module, a neighbor maintenance module and a switching network driver module. The relationship between the various modules see figure 1 .

[0014] Ethernet unnumbered interface creation: set the Ethernet interface as an unnumbered interface, the configuration management module notifies the IP interface management module, and the interface management module creates a three-layer Ethernet interface. When creating, it does not directly use the interface function provided by the protocol stack, but It is created through a custom interface function. The created Layer 3 Ethernet interface does not support the ARP protocol. After the interface management interface is successfully created, the driver module needs to be notified to create a logical layer-3 interface. T...

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Abstract

The invention discloses an Ethernet switching method for realizing message forwarding through an Ethernet interface in an unnumbered mode. The method comprises the steps of taking the Ethernet interface as an unnumbered interface, adding neighbor maintenance module establishment, locally establishing an information mapping table of an MAC (media access control) address and an IP (internet protocol) address, allowing a driver module to correctly conduct Ethernet frame head encapsulation and decapsulation according to characteristics of a protocol message, assisting a routing protocol in completing a routing interactive process, finally forming a three-layer forwarding table of a chip, allowing a switched network to search the three-layer forwarding table according to an objective IP address when forwarding data, searching the output interface according to the information, and conducting Ethernet encapsulation on a switched message, wherein the three-layer forwarding table contains an IP address, an MAC address and an output interface of a next hop. The method has the effective technical effects that configuration of the IP address of the interface is reduced for a user, and the usability of equipment is improved.

Description

technical field [0001] The invention relates to network communication technology, in particular to a method for realizing message forwarding through the Ethernet using an unnumbered interface as a relay mode. Background technique [0002] An unnumbered interface is an interface on the device that is not configured with an IP address but still wants to use the interface, so the network address of other local interfaces is directly used as the network address of the interface so that the interface can be used normally. Its purpose is to allow interfaces without IP addresses to communicate normally while saving precious IP address resources. However, when using the function of an unnumbered interface, there are usage restrictions: the borrower cannot be an Ethernet interface; the address of the borrowed interface itself cannot be a borrowed address; the address of the borrowed party can be lent to multiple interfaces; the address of the loopback interface It can be borrowed by...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L45/74
Inventor 李世钊陈量郑直雷文虎杨钊刘俊
Owner CHONGQING JINMEI COMM
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