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Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
OL-2239-05
Chapter1 Overview of Cisco uBR7200 Series Software
cops tcp window-size
For additional information, refer to the following document on Cisco.com:
• NAT—Support for NetMeeting Directory (Internet Locator Service—ILS)
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121t/121t5/dtnatils.htm
Router-Port Group Management Protocol
The Router-Port Group Management Protocol (RGMP) feature introduces a Cisco protocol that restricts
IP multicast traffic in switched networks. RGMP is a Layer 2 protocol that enables a router to
communicate to a switch (or a networking device that is functioning as a Layer 2 switch) the multicast
group for which the router would like to receive or forward traffic. For additional information, refer to
the following document on Cisco.com:
• Router-Port Group Management Protocol
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120limit/120s/120s1
0/dtrgmp.htm
Supported Protocols on the CiscouBR7200 Series
The Cisco uBR7200 Series supports multiple protocols of multiple classes, including but not limited to,
the following:
• Address Resolution Protocol (ARP)
• Cisco Discovery Protocol (CDP)
• Domain Name System (DNS)
• Internet Protocol (IP) v4/v5
• Simple Network Management Protocol (SNMP) v2 and SNMPv3 Integrated Dynamic Host
Configuration Protocol (DHCP) server
• Trivial File Transfer Protocol (TFTP) client
• User Datagram Protocol (UDP)
Note Be aware that when configuring a routing protocol, the Cisco IOS software must reset the interfaces to
enable the change. This normally does not significantly affect operations on the interface, except that
when this is done on a cable interface, it causes all cable modems on that particular downstream to
reinitialize, potentially interfering with data transmission on that downstream. Therefore, you should use
routing global configuration commands, such as router rip, on a cable interface only when a minimum
of subscribers would be affected.
For additional information about configuring IP routing protocols, refer to the following document on
Cisco.com:
• “IP Routing Protocols" chapter in the Cisco IOS IP Configuration Guide, Release 12.2
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr_c/ipcprt2/