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Message relaying method, message relaying device and base station

A technology for relaying base stations and messages, applied in the field of communication, can solve problems such as routers not supporting relay functions, relay functions not allowed, client devices unable to obtain IP address configuration, etc., to achieve the effect of improving user experience

Inactive Publication Date: 2011-08-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the related art, when the DHCP client and the DHCP server are in different subnets or VLANs, because the router connecting the DHCP client and the DHCP server does not support the Relay function or does not allow the Relay function to be configured, the client device cannot pass the DHCP report. In order to solve at least one of the above problems, the present invention provides a message relay method, device and base station to solve the problem of obtaining IP address configuration for text

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  • Message relaying method, message relaying device and base station
  • Message relaying method, message relaying device and base station
  • Message relaying method, message relaying device and base station

Examples

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example

[0087] First, manually configure a base station on the network and let the base station establish a connection with the BSC, and then use the base station as a DHCP Relay Agent (that is, the aforementioned relay base station) to run on the network.

[0088] The client does not know the IP address of the DHCP Server when it starts, so it discovers the DHCP Server by sending a broadcast DHCP Discovery message.

[0089] After the relay base station (ie relay base station) receives the DHCP Discovery message, it first automatically learns the VLAN where the DHCP client is located and saves it in the memory, then constructs a new DHCP message and fills in the DHCPRelayAgent Modify the Hop field in the message, and send the message to the DHCP Server.

[0090] After the DHCP Server receives this message, it will reply with a DHCP Offer message to the DHCP Relay. After receiving this message, the DHCPRelay searches for the VLAN where the client is located according to the client's MAC addr...

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PUM

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Abstract

The invention discloses a message relaying method, a message relaying device and a base station. The message relaying method comprises the following steps: the base station is configured as a relaying base station; the relaying base station is used to forward a DHCP (dynamic host configuration protocol) message between a DHCP server and a client-side device. The technical scheme provided by the invention solves the problem in the prior art that when a DHCP client side and a DHCP server end are in different subnetworks or VLANs, the client-side device cannot acquire an IP address for configuration through the DHCP message because the router for connecting the DHCP client side and the DHCP server does not support the Relay function or disallows to set the Relay function, so that the client-side device can acquire the IP address for configuration through the DHCP message, and the user experience is effectively improved.

Description

Technical field [0001] The present invention relates to the field of communications, and in particular to a method, device and base station for message relay. Background technique [0002] The predecessor of the Dynamic Host Configuration Protocol (DHCP for short) is the BOOTP protocol. The operation of the protocol is divided into two ends: the server (DHCP Server) and the client (DHCP Client). The client requests configuration by sending a DHCP message to the server. After receiving the message, the server sends the configuration assigned to the client to the client in a response message. These configuration parameters can include but are not limited to: IP address, subnet mask Information such as code and gateway. [0003] A virtual local area network (Virtual Local Area Network, VLAN for short) is a technology that divides a physical network into multiple logical local area networks (LANs), and each VLAN has a local area network identifier (VLAN ID). Using VLAN technology, n...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/12H04L12/46
Inventor 唐国栋柳锋廖俊锋
Owner ZTE CORP
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