Method and device for maintaining DHCP safety property list by detecting customer terminal

A security feature table and client technology, applied in the network field, can solve the problem of poor real-time performance of the DHCP security feature table

Active Publication Date: 2007-04-04
北京华三通信技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to provide a method and device for maintaining the DHCP security feature table by detecting the client, so as to solve the problem of poor real-time performance of the existing DHCP security feature table maintenance

Method used

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  • Method and device for maintaining DHCP safety property list by detecting customer terminal
  • Method and device for maintaining DHCP safety property list by detecting customer terminal
  • Method and device for maintaining DHCP safety property list by detecting customer terminal

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Embodiment Construction

[0079] Taking the use of ICMP (Internet Control and Message Protocol, Internet Control Message Protocol) PING message as an example of a detection message, with reference to Fig. 2 and Fig. 3 in the accompanying drawings of the description, a detailed description of a method for maintaining DHCP by detecting the client is provided by the present invention. Method of safety characteristic table.

[0080] As shown in FIG. 2 , the method is applied to a network where a client (DHCP Client) obtains network configuration provided by a server (DHCP Server) through a DHCP relay (DHCP Relay).

[0081] As shown in Figure 3, the implementation process of this method includes:

[0082] 1-1) The repeater shown in Figure 2 reads the security feature table item on it, and sends an ICMP PING message to the security feature table shown in Figure 2 according to the IP address and MAC address information of the security feature table item The client corresponding to the item;

[0083] The way...

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Abstract

The method comprises: the repeater sends the detection message to the client side; if the client is over time and doesn't respond the detection message, then determines the client side is not on-line; ageing the security feature item corresponding to the client side; or, the repeater decides if the IP address of gateway repeater of client side equals the said repeater IP address; if not, said repeater sends an agent detection request to the gateway repeater to appoint it to detect the client side, and determines the client side is not on-line according to the off-line information returned by the gateway repeater. The invention also provides an apparatus for detecting the client side maintenance DHCP security feature table, which comprises a security feature table read-out module, a client side detection module and a security feature table ageing module.

Description

technical field [0001] The present invention relates to the network field, in particular to the maintenance of a DHCP (Dynamic Host Configuration Protocol, Dynamic Host Configuration Protocol) security feature (Security) table, more specifically, the present invention relates to a method and a device for maintaining a DHCP security feature table by detecting a client. Background technique [0002] With the rapid development of network technology, the network scale is increasing day by day. In order to realize the management of client and IP (Internet Protocol, network communication protocol) address resources, DHCP (Dynamic Host Configuration Protocol, dynamic host configuration protocol) is more and more widely used, client (DHCP Client) -> repeater (DHCP Relay) -> server (DHCP Server) mode has become a typical networking scheme. [0003] Wherein, the server is a server that manages network configuration, and allocates and provides configuration for computers request...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/24H04L29/06H04L9/00
Inventor 孙强
Owner 北京华三通信技术有限公司
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