Cisco 3825 Software Configuration Guide - Page 175
Examples, Related Commands, Command, Description, Unicast or Multicast RTP Packets
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Appendix A Cisco 3825 Mobile Wireless Edge Router RAN-O Command Reference ip rtp header-compression Unicast or Multicast RTP Packets This command can compress unicast or multicast RTP packets, and, hence, multicast backbone (MBONE) traffic can also be compressed over slow links. The compression scheme is beneficial only when you have small payload sizes, as in audio traffic. Examples The following example enables RTP header compression on the Serial1/0/0 interface and limits the number of RTP header compression connections to 10. In this example, the optional iphc-format keyword of the ip rtp header-compression command is specified. Router> enable Router# configure terminal Router(config)# interface Serial1/0/0 Router(config-if)# encapsulation ppp Router(config-if)# ip rtp header-compression iphc-format Router(config-if)# ip rtp compression-connections 10 Router(config-if)# exit The following example enables RTP header compression on the Serial1/0/0 interface and limits the number of RTP header compression connections to 20. In this example, the optional iphc-format keyword of the ip rtp header-compression command is specified. Router> enable Router# configure terminal Router(config)# interface Serial1/0/0 Router(config-if)# encapsulation ppp Router(config-if)# ip rtp header-compression iphc-format Router(config-if)# ip rtp compression-connections 20 Router(config-if)# exit In the following example, RTP header compression is enabled on the Serial1/0/0 interface and the optional periodic-refresh keyword of the ip rtp header-compression command is specified: Router> enable Router# configure terminal Router(config)# interface Serial1/0/0 Router(config-if)# encapsulation ppp Router(config-if)# ip rtp header-compression iphc-format periodic-refresh Router(config-if)# ip rtp compression-connections 10 Router(config-if)# exit Related Commands Command clear ip rtp header-compression iprtp compression-connections show ip rtp header-compression show running-config Description Clears RTP header compression structures and statistics. Specifies the total number of RTP header compression connections that can exist on an interface. Displays RTP header compression statistics. Displays the contents of the currently running configuration file or the configuration for a specific interface, or map class information. OL-15667-03 Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide A-43