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Cisco uBR10012 Universal Broadband Router Software Configuration Guide
OL-1520-08
Chapter1 Overview of CiscouBR10012 Universal Broadband Router Software
Supported Software Features for the CiscouBR10012 Router
Prerequisites for DSG 1.1
• Cisco IOS release 12.3(13a)BC or a later 12.3 BC release are required.
• Cisco DSG 1.1 is supported on the Cisco uBR10012 router with PRE1 or PRE2 performance routing
engine modules.
• Cisco DSG 1.1 is supported on the Cisco uBR10012 router with the following cable interface line
cards and broadband processing engines (BPEs):
–
Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Line Card
–
Cisco uBR10-LCP2-MC28C Cable Interface Line Card
–
Cisco uBR10-MC5X20S/U Broadband Processing Engine
Restrictions and Caveats for DSG 1.1
Cisco DSG 1.1 has the following restrictions:
• Cisco DSG 1.1 does not support Service Flow Quality of Service (QoS), which is available at Layer 3.
• Cisco DSG 1.1 does not support tunnel security, but strictly access control lists (ACLs).
• Cisco DSG 1.1 does not support subinterfaces.
• Cisco DSG 1.1 does not support HCCP N+1 interoperability.
• Cisco DSG 1.1 does not support SNMP MIBS for A-DSG.
Additional Information about DSG 1.1
• Advanced-mode DOCSIS Set-Top Gateway Issue 1.1 for the Cisco CMTS
http://www.cisco.com/en/US/products/hw/cable/ps2217/products_feature_guides_list.html
• DOCSIS Set-Top Gateway (DSG) for the Cisco CMTS
http://www.cisco.com/en/US/products/hw/cable/ps2217/products_feature_guide09186a00802065c8.html
• Cisco DOCSIS Set-top Gateway White Paper
http://www.cisco.com/en/US/products/hw/cable/ps2217/products_white_paper09186a00801b3f0f.shtml
• CableLabs DOCSIS Set-top Gateway (DSG) Interface Specification SP-DSG-I03-041124
http://www.cablemodem.com/downloads/specs/CM-SP-DSG-I03-041124.pdf
Advanced-mode DOCSIS Set-Top Gateway Issue 1.2
Cisco IOS Release 12.3(17a)BC2 introduces certified support for advanced-mode DOCSIS Set-Top
Gateway (DSG) Issue 1.2. DSG Issue 1.2 introduces support for the latest DOCSIS Set-Top specification
from CableLabs™:
• DOCSIS Set-top Gateway (DSG) Interface Specification, CM-SP-DSG-I05-050812
http://www.cablelabs.com/specifications/archives/CM-SP-DSG-I05-050812-Superseded.pdf
Cisco Advanced-mode DSG 1.2 is certified by CableLabs™, and is a powerful tool in support of latest
industry innovations. Advanced-mode DSG 1.2 offers substantial support for enhanced DOCSIS
implementation in the Broadband Cable environment. The set-top box dynamically learns the overall
environment from the Cisco Cable Modem Termination System (CMTS), to include MAC address,
traffic management rules, and classifiers. DSG 1.2 supports the DOCS-DSG-IF-MIB as one component
of this functionality:
