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A remote access control list generation and data packet processing method for cm

A technology of control list and remote access, applied in the field of communication and network, can solve the problems of inability to configure network traffic, performance, security policy flexibly, no CM interface performance, network security processing, etc., to reduce on-site maintenance costs and achieve flexible configuration , the effect of ensuring network security

Active Publication Date: 2019-07-19
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, there is no method or strategy for dealing with the performance and network security of the CM interface, and the flexible configuration of network traffic, performance, and security policies cannot be realized at the interface level

Method used

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  • A remote access control list generation and data packet processing method for cm
  • A remote access control list generation and data packet processing method for cm

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0034] figure 1 It is a flow chart of the method for generating a remote access control list and processing a data packet for a CM provided by Embodiment 1 of the present invention. like figure 1 As shown, the method includes step S1 to step S3, each step will be described in detail below.

[0035] Step S1: Write the ACL command and add the ACL command to the TLV43 field of the CM configuration file.

[0036] In step S1, write one or several ACL commands according to the preset ACL command format, and add the ACL commands to the TLV43 field of the CM configuration file through TLV encoding and binary encoding, wherein the CM configuration file is stored on the TFTP server corresponding to the CMTS .

[0037] In step S1, the ACL number of the standard ACL ranges from 1 to 99, and its format is:

[0038] {ip|ipv6}access-list{ACL number}{deny|permit}{source[source-wildcard]|any}, the content in curly brackets is mandatory, and the content in square brackets is optional, {ip|i...

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Abstract

The invention relates to the technical field of communications and networks, and provides a remote access control list generation and data packet processing method for a CM, for configuring a CM at an interface layer. The method comprises the following steps: writing an ACL command and adding the ACL command into a TLV43 field of a CM configuration file; the CM downloading the CM configuration file from a TFTP server and analyzing the CM configuration file, and then storing the ACL command obtained through analysis in a queue buffer zone; and when a CM interface receives or sends a data packet, obtaining the ACL command in the queue buffer zone, matching the ACL command with header information of the data packet, and according to a matching result, processing the data packet. According to the technical scheme provided by the invention, the network security can be ensured, the processing efficiency of CM equipment for the data packet is improved, the network performance is improved, far-end flexible configuration of the CM equipment can also be realized, and the onsite maintenance cost of the CM equipment is decreased.

Description

technical field [0001] The invention belongs to the field of communication and network technology, in particular to a method for generating a remote access control list and processing data packets for CM (Cable Modem, cable modem). Background technique [0002] At present, the CM (Cable Modem, cable modem) has developed from a single data service to multiple services in large numbers, and the interface types on the CM are also becoming more and more abundant. Common interface types include LAN, WLAN, and WAN. [0003] In the prior art, there is no method or strategy for processing the performance and network security of the CM interface, and flexible configuration of network traffic, performance, and security policies cannot be realized at the interface level. Contents of the invention [0004] 【Technical problems to be solved】 [0005] The purpose of the present invention is to provide a remote access control list generation and data packet processing method for CM, so a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/101H04L63/20
Inventor 李勇饶拥军袁立洋
Owner SICHUAN CHANGHONG ELECTRIC CO LTD
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