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Message forwarding method and device

A message forwarding and message technology, applied in the field of network communication, can solve the problem of unable to realize one-way forwarding of data, and achieve the effect of ensuring security

Active Publication Date: 2019-03-15
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a message forwarding method and device to solve the problem that one-way forwarding of data between high-density level equipment or networks and low-density level equipment or networks cannot be realized

Method used

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  • Message forwarding method and device
  • Message forwarding method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] The outgoing direction of the default VXLAN tunnel is a physical port that does not exist (assuming that the default VXLAN tunnel learns MAC addresses normally).

[0058] Then VTEP240 searches the forwarding table in the VSI associated with AC4, and finds that the outbound port is the default VXLAN tunnel. Since the outbound port of the default VXLAN tunnel is a physical port that does not exist on VTEP240, VTEP240 discards the traffic.

Embodiment 2

[0060] By default, the VXLAN tunnel is configured not to learn MAC addresses.

[0061] Then VTEP240 searches the forwarding table in the VSI associated with AC4, and finds that there is no matching entry, that is, the egress port of the traffic does not exist, and VTEP240 discards the traffic.

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PUM

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Abstract

The invention provides a message forwarding method and device. The method comprises the steps of: when a VXLAN message is received and the fact that the VXLAN message is matched with a default VXLAN tunnel is determined, performing de-encapsulation and forwarding on the VXLAN message; and, when a non-VXLAN message is received and the fact that the output port of the non-VXLAN message does not exist is determined, abandoning the non-VXLAN message. By adoption of the embodiment of the invention, one-way transmission between high-confidentiality VTEP equipment and low-confidentiality VTEP equipment can be realized; and the data security is ensured.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a message forwarding method and device. Background technique [0002] The openness of the network system makes network security particularly important. Security protection technologies such as MAC (Media Access Control) authentication and network firewalls are common technologies to ensure network security, but these technologies can only meet general security requirements. , it is difficult to solve the protection problems of important networks such as confidential information systems. [0003] In the VXLAN (Virtual Extensible Local Area Network, Virtual Extensible Local Area Network) network, there are high-density level devices or networks and low-density level devices or networks. In order to ensure network security, it is necessary to ensure that the data of low-density level devices or networks It can flow to high-density level devices or networks, and the da...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/741H04L12/823H04L29/06H04L45/74H04L47/32
CPCH04L12/4633H04L12/4641H04L45/74H04L47/32H04L63/0236
Inventor 程剑锋
Owner NEW H3C TECH CO LTD
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