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IP address allocation method, coaxial cable intermediate converter and system

A technology of IP address and coaxial cable, applied in the field of communication

Active Publication Date: 2020-06-26
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main technical problem to be solved by the present invention is to provide an IP address allocation method, a coaxial cable intermediate converter and a system to solve the problem of unified allocation and management of the IP addresses of CMs and CPEs under the same service

Method used

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  • IP address allocation method, coaxial cable intermediate converter and system
  • IP address allocation method, coaxial cable intermediate converter and system
  • IP address allocation method, coaxial cable intermediate converter and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] See figure 1 As shown, the IP address distribution system provided by the present embodiment includes a coaxial cable intermediate converter (CMC) and a DHCP server; wherein the DHCP server includes a coaxial modem (CM) DHCP server and a customer end equipment (CPE) DHCP server; on the CMC Configured with an IP port (i.e. IP Bundle), the CM and CPE of the same service are bound under this IP port, and the IP port is configured with a CM DHCP server and a CPE DHCP server for CM IP address allocation and CPE IP address allocation respectively; In this embodiment, it can be specifically judged whether they are the same service through the network segment of the IP address. The IP address system also includes the CMs hanging on the CMC and the CPEs hanging on the CMs. The CPEs in this embodiment can be STBs (set-top boxes), Hosts (hosts), IADs (integrated access devices), etc. .

[0054] The CMC is used to receive the DHCP discovery message sent by the CM under its config...

Embodiment 2

[0085] For the IP address allocation method provided in this embodiment, please refer to image 3 shown, including:

[0086] Step 201: configure an IP port on the CMC, and bind the CM and CPE of the same service under the IP port;

[0087] Step 202: configure the CM DHCP server and the CPE DHCP server for the IP port respectively for CM IP address allocation and CPE IP address allocation;

[0088] Step 203: The CMC receives the DHCP discovery message sent by the CM under the IP port;

[0089] Step 204: The CMC judges whether the DHCP discovery message is initiated by the CM, if yes, go to step 205; otherwise, go to step 207;

[0090] Step 205: The CMC sends the DHCP discovery message to the CM DHCP server;

[0091] Step 206: The CM DHCP server assigns an IP address to the CM according to the received DHCP discovery message.

[0092] Step 207: The DHCP discovery message is initiated by the CPE, and the DHCP discovery message is sent to the CPE DHCP server;

[0093] Step 20...

Embodiment 3

[0110] In order to better understand the present invention, in this embodiment, a specific application scenario is taken as an example to further illustrate the present invention. When the DHCP relay is implemented on the CMC, the OLT is used for uplink, and the OLT only needs to support VLAN Layer 2 transparent transmission. See Figure 4 As shown, the process of assigning IP addresses to CM and CPE includes:

[0111] Step 301: Configure an IP Bundle (i.e. an IP port) on the CMC, and use the CM and CPE of the same service as the subnet of the same IP Bundle, that is, bind them to one IP Bundle;

[0112] Step 302: configure CM DHCP server, CPE DHCP server and corresponding proxy IP for the IP Bundle; in this embodiment, separately configure CM DHCP server and CPE DHCP server for CM and CPE distribution respectively, and its specific configuration is as follows:

[0113] The IP Bundle configuration on the CMC is as follows:

[0114] cmc(config)#interface bundle 1 / / Configure ...

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Abstract

The invention discloses an IP address allocation method, a coaxial cable intermediate converter and a system. An IP port is configured on a CMC, a CM and a CPE of the same service are bound under the IP port, and the IP port configuration is respectively used CM DHCP server and CPE DHCP server for CM IP address allocation and CPE IP address allocation; CMC receives the DHCP discovery message sent by the CM under the IP port, and judges whether the DHCP discovery message is initiated by the CM. The discovery message is sent to the CM DHCP server, and the CM DHCP server allocates an IP address for the coaxial modem according to the received DHCP discovery message; otherwise, the DHCP discovery message is initiated by the CPE, and the DHCP discovery message is sent to the CPE DHCP server, The CPE DHCP server allocates an IP address for the CPE according to the received DHCP discovery message. The solution provided by the invention realizes the unified allocation and management of the IP addresses of CMs and CPEs of the same service connected to the CMC.

Description

technical field [0001] The invention relates to the communication field, in particular to an IP address allocation method, a coaxial cable intermediate converter and a system. Background technique [0002] PON (Passive Optical Network: Passive Optical Network) + DoCSIS (Data Over CableService Interface Specification: Wired Transmission Data Service Interface Specification) EoC (Ethernet OverCoax: Ethernet data is transmitted through coaxial cables) secondary networking technology is specially aimed at the current domestic radio and television Two-way network reform and foreign MSO CMTS (Cable Modem Termination System: cable modem local end system) network upgrade and transformation requirements, it is proposed to transform the HFC (Hybrid Fiber-Coaxial: hybrid fiber-to-coaxial cable network) network to FTTx (Fiber-to-the- x: An overall solution for the evolution of optical fiber access). This solution is based on the combination of PON network and DoCSIS network, which can ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/08
CPCH04L61/00
Inventor 邱海啸吴晓东
Owner ZTE CORP