Cisco Systems 78-13983-04 Manual De Usuario
5-5
Cisco MWR 1900 Mobile Wireless Edge Router Software Configuration Guide
78-13983-04
Chapter 5
Command Reference
ip rtp header-compression
ip rtp header-compression
To enable Real-Time Transport Protocol (RTP) header compression, use the ip rtp
header-compression interface configuration command. To disable RTP header compression, use the no
form of this command.
header-compression interface configuration command. To disable RTP header compression, use the no
form of this command.
ip rtp header-compression [passive]
no ip rtp header-compression
Syntax Description
Defaults
Disabled
Command Modes
Interface configuration
Command History
Usage Guidelines
If you use this command without the passive keyword, the software compresses all RTP traffic.
You can compress IP/UDP/RTP headers and IP/UDP headers to reduce the size of your packets.
Compressing headers is especially useful for RTP, because RTP payload size can be as small as 20 bytes,
and the uncompressed header is 40 bytes.
Compressing headers is especially useful for RTP, because RTP payload size can be as small as 20 bytes,
and the uncompressed header is 40 bytes.
RTP header compression is supported on serial lines using PPP encapsulation. You must enable
compression on both ends of a serial connection.
compression on both ends of a serial connection.
Examples
The following example enables RTP header compression on fast ethernet interface 1 and limits the
number of RTP header compression connections to 10:
number of RTP header compression connections to 10:
interface serial 0
encapsulation ppp
ip rtp header-compression
ip rtp compression-connections 10
passive
(Optional) Compresses outgoing RTP packets only if incoming RTP packets
on the same interface are compressed. This option is not applicable on PPP
links.
on the same interface are compressed. This option is not applicable on PPP
links.
Release
Modification
11.3
This command was introduced.