Cisco WS C4224V 8FXS - 200Mbps Ethernet Switch Software Configuration Manual page 185

Chapter 6 Configuring VoIP
traffic-shape rate 32000 4000 4000
frame-relay interface-dlci 16
frame-relay ip rtp header-compression
In this configuration example, the main interface is configured as follows:
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The subinterface is configured as follows:
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Note When traffic bursts over the CIR, the output rate is held at the speed configured
for the CIR. For example, traffic will not go beyond 32 kbps if CIR is set to
32 kbps.
For more information about configuring Frame Relay for VoIP, refer to the
"Configuring Frame Relay" section in the Wide-Area Networking Configuration
Guide for Cisco IOS Release 12.0 T.
OL-2031-02
MTU size is 300 bytes.
No IP address is associated with this serial interface. The IP address must be
assigned for the subinterface.
Encapsulation method is Frame Relay.
Fair-queuing is enabled.
IP RTP header compression is enabled.
MTU size is inherited from the main interface.
IP address for the subinterface is specified.
RSVP is enabled to use the default value, which is 75 percent of the
configured bandwidth.
Bandwidth is set to 64 kbps.
Generic traffic shaping is enabled with 32-kbps CIR where committed burst
(Bc) = 4000 bits and excess burst (Be) = 4000 bits.
Frame Relay DLCI number is specified.
IP RTP header compression is enabled.
Catalyst 4224 Access Gateway Switch Software Configuration Guide
Configure Frame Relay for VoIP
6-39