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Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
OL-2239-05
Chapter 1 Overview of Cisco uBR7200 Series Software
Supported Software Features for the Cisco uBR7200 Series
Configuration for 1+1 redundancy takes place at the cable interface line card interface level. That is,
rather than assigning an entire Cisco uBR7200 series router to support another Cisco uBR7200 series
router, individual interfaces on one Cisco uBR7200 series router are configured to protect individual
interfaces installed in a different Cisco uBR7200 series router.
Note 1+1 redundancy protection takes place only on an inter chassis basis. That is, you cannot protect cable
interfaces on a particular CMTS with cable interfaces installed in the same chassis.
You can configure the system to switch over automatically when the interface state of a cable interface
line card interface moves from “up” to “down.” Alternatively, you can manually force a switch over.
Note Ensure that the same channel ID is configured for both the active and the standby cable router.
For more information on the 1+1 redundancy feature, including information on configuration tasks and
command reference, refer to the document on Cisco.com:
• Hot-Standby 1+1 Redundancy
http://www.cisco.com/en/US/docs/cable/cmts/feature/HCCPfeat.html
IF Muting for HCCP N+1 Redundancy
Beginning with Cisco IOS Release 12.2(15)BC2a, Cisco supports IF Muting with both SNMP and
non-SNMP-capable upconverters in HCCP N+1 Redundancy. IF Muting offers the following benefits:
• IF Muting for either type of upconverter significantly increases the N+1 protection schemes that are
available for Cisco CMTS headends.
• IF Muting offers the additional benefit of being faster than RF Muting.
• IF Muting is enabled by default. The Cisco CMTS automatically enjoys the benefits and availability
of IF Muting.
For additional information about IF Muting and configuring HCCP N+1 Redundancy, refer to the
following document on Cisco.com:
• HCCP N+1 Redundancy for the Cisco Cable Modem Termination System
http://www.cisco.com/en/US/docs/cable/cmts/feature/guide/uFGnpls1.html#wp1049303
Intercept Features
The Cisco uBR7200 Series supports several intercept features through multiple Cisco IOS release trains:
• Access Control List Support for COPS Intercept, page 1-72
• Cable Monitor Enhancements, page 1-73
• COPS TCP Support for the Cisco Cable Modem Termination System, page 1-74
• Service Independent Intercept (SII) Support on the Cisco uBR7200 Series, page 1-78
Access Control List Support for COPS Intercept
Cisco IOS Release 12.3(13a)BC introduces enhanced support for Access Control Lists (ACLs) and
associated commands for the Common Open Policy Service (COPS) feature.
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