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Method and device for processing dhcp REQUEST message

A technology for requesting messages and processing methods, applied in the field of communication, can solve problems such as network pressure and network bandwidth occupation, and achieve the effect of reducing network pressure and network bandwidth

Active Publication Date: 2021-06-29
PING AN TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, sending DHCPREQUEST request messages in the form of broadcast messages will occupy network bandwidth and cause network pressure.

Method used

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  • Method and device for processing dhcp REQUEST message
  • Method and device for processing dhcp REQUEST message
  • Method and device for processing dhcp REQUEST message

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or collections thereof.

[0016] see figure 1 , is a schematic flowchart of a method fo...

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PUM

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Abstract

The embodiment of the present invention discloses a method and device for processing a DHCP REQUEST request message. The method includes: if a DHCP protocol message sent by a DHCP client is received, identifying whether the DHCP protocol message is a DHCP REQUEST request message, and the DHCP The REQUEST request message includes at least the message type, source address, and destination address. The source address is the MAC address of the DHCP client, and the destination address is FF-FF-FF-FF-FF-FF; if so, according to the preset mapping relationship and the DHCP client The source address of the client determines the target DHCP server and the MAC address of the target DHCP server. The preset mapping relationship includes the association relationship between the DHCP client and the DHCP server; modify the destination address in the DHCP REQUEST request message to the MAC address of the target DHCP server ; Send the modified DHCP REQUEST message to the target DHCP server. The embodiment of the invention also discloses a device. The embodiment of the present invention can realize sending the DHCP REQUEST request message to the target DHCP server in unicast form, thereby reducing occupied network bandwidth and reducing network pressure.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and a device for processing a DHCP REQUEST request message. Background technique [0002] Due to limited IP address (Internet Protocol Address) resources, it is not possible to configure a fixed IP address for each host connected to the Internet. In order to realize the configuration operation of the IP address, the dynamic host configuration protocol DHCP (Dynamic Host Configuration Protocol) is usually used to configure a temporary IP address for the host connected to the network. In the prior art, broadcast messages such as DHCP REQUEST request messages exist in the exchange information between the DHCP client and the DHCP server. The DHCP REQUEST request message is used for the broadcast message sent by the DHCP client to select one of the DHCP servers as the target DHCP server after receiving the DHCP Offer messages responded by multiple DHCP servers. Howev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12
CPCH04L61/5014H04L2101/622
Inventor 杨旭荣贾毫杰
Owner PING AN TECH (SHENZHEN) CO LTD