Cisco DNCS System Release 2.8.1 3.8.1 4.3.1 User Guide

Your DBDS must meet the following requirements to support DSG-capable DHCTs:



Hardware and software requirements



Network element requirements

The following hardware and software are required to support DSG-capable DHCTs:



Installation of SR 3.5 (or later) and enabling the software license



Cable Modem Termination System supporting DSG for CableLabs



DHCTs as listed in 



SARA Client Release 1.41 or later (or similar)



PowerTV Home Gateway Edition 1.0



DHCP Server



Trivial File Transfer Protocol (TFTP) Server



Time Of Day (TOD) Server (optional)



Domain Name System (DNS) Server (optional)

Note: For information on installing and configuring these elements in a DOCSIS system, refer to DOCSIS in a
DBDS Environment (part number 4000358). To obtain a copy of this document, see 

The network elements in your DBDS must meet the following requirements to operate DOCSIS-capable DHCTs.

Important: If you are unsure of your system's ability to meet the following requirements, contact your network
administrator or 

 to arrange for a network analysis.



CMTS units used must adhere to the specifications detailed in the following publications:



Advanced DOCSIS Set-Top Gateway Application Guide For System Release 3.5 and 4.0 (part

number 4004619)



Advanced DOCSIS

®

 Set-Top Gateway Application Guide For System Releases 3.7 and 4.2 (part

number 4012166)



DOCSIS Set-Top Gateway (DSG) Interface Specification



Data-Over-Cable Service Interface Specifications Radio Frequency Interface Specification



Data-Over-Cable Service Interface Specifications Cable Modem to Customer Premise

Equipment Interface Specification



Data-Over-Cable Service Interface Specifications Operations Support System Interface

Specification

Note: To obtain a copy of any of the documents listed above, see 

.



The DHCP servers used must adhere to the specifications detailed in the Dynamic Host Control

Protocol.



DHCTs booting in DAVIC mode must receive an IP address from a private address pool managed by the

DNCS.



DHCTs booting in DOCSIS or Mixed DOCSIS/DAVIC mode must receive cable modem and DHCT CPE IP

addresses from address pools managed by the DHCP server.