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Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
OL-2239-05
Chapter 1 Overview of Cisco uBR7200 Series Software
cops tcp window-size
New and Changed Commands
cable match address
Use the existing “cable match” command to assign QoS to a multicast group, with BPI either enabled or
disabled.
router# cable match address <number>|<name> [service-class <name> [bpi-enable]]
router# no cable match address [<number>|<name> [service-class <name> [bpi-enable]]]
debug cable mcast-qos
Use this command to turn on CMTS Multicast Qos debugging.
router# debug cable mcast-qos
IP Routing Features
The Cisco uBR7200 series router offers you several features to assist with IP routing configuration and
performance.
• Cable ARP Filter Enhancement, page 1-80
• cable intercept Command, page 1-81
• Cable Interface Bundling and Cable Subinterfaces, page 1-82
• Configurable Alternate Termination System Information Messages, page 1-83
• Easy IP (Phase 1), page 1-83
• Fast-Switched Policy Routing, page 1-83
• IP Enhanced IGRP Route Authentication, page 1-84
• IP Network Address Translation/Port Address Translation, page 1-84
• NAT—Support for NetMeeting Directory (Internet Locator Service—ILS), page 1-84
• Router-Port Group Management Protocol, page 1-85
• Supported Protocols on the Cisco uBR7200 Series, page 1-85
Cable ARP Filter Enhancement
The cable arp filter command, introduced with Cisco IOS Release 12.2(15)BC2b, enables service
providers to filter ARP request and reply packets. This prevents a large volume of such packets from
interfering with the other traffic on the cable network.
Cisco IOS Release 12.3(9a)BC introduces enhanced command option syntax for the cable arp filter
command, where number and window-size values are optional for reply-accept and request-send
settings.
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