Cisco Cisco IOS Software Release 12.1(7)CX
Feature Overview
2
DOCSIS 1.1 for Cisco uBR7200 Series Universal Broadband Routers
Cisco IOS Release 12.1(7)CX1
Feature Overview
DOCSIS 1.1 is the first major revision of the initial DOCSIS 1.0 standard for cable networks. Although
the initial standard provided quality data traffic over the coaxial cable network, the demands of real-time
traffic such as voice and video required many changes to the DOCSIS specification.
the initial standard provided quality data traffic over the coaxial cable network, the demands of real-time
traffic such as voice and video required many changes to the DOCSIS specification.
Note
At the time of publication, the DOCSIS 1.1 specification is still being finalized. This document
describes the DOCSIS 1.1 specification SP-RFIv1.1-IO3-991105. See the CableLabs web site
(http://www.cablelabs.com) for the current status on DOCSIS 1.1.
describes the DOCSIS 1.1 specification SP-RFIv1.1-IO3-991105. See the CableLabs web site
(http://www.cablelabs.com) for the current status on DOCSIS 1.1.
Feature History
summarizes the history of the DOCSIS 1.1 for Cisco uBR7200 series routers feature set.
Table 1
Cisco IOS 12.1 CX Feature History
Release
Modification
12.1(4)CX
The DOCSIS 1.1 feature for Cisco uBR7200 series routers was introduced.
12.1(7)CX1
Several DOCSIS 1.1 MIBs were updated, reflecting changes in the DOCSIS 1.1
specification:
specification:
•
Revision 04 of DOCS-QOS-MIB—Describes the quality of service (QoS)
attributes.
attributes.
Note
Release 12.1(4)CX implemented revision 02 of this MIB. Revision 04
includes substantial changes to the tables and attributes.
includes substantial changes to the tables and attributes.
•
Revision 02 of DOCS-SUBMGT-MIB—Describes the subscriber management
attributes.
attributes.
•
DOCS-CABLE-DEVICE-TRAP-MIB—Defines the traps supported by CMs
and the CMTS and is an extension of DOCS-CABLE-DEVICE-MIB.
and the CMTS and is an extension of DOCS-CABLE-DEVICE-MIB.
The cable submgmt default command was also added, to set the default value of the
attributes in DOCS-SUBMGT-MIB.
attributes in DOCS-SUBMGT-MIB.