Enabling the FCP
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/056-5
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Multicast Rate The multicast rate parameter determines the rate at which the
multicast queue is dequeued on the ATM FCP. The default
value is 1/8 (12.5%) of the channel rate. You can select the
multicast shaping rate as a fraction of the line rate, from 1/15
to 1. The rate is configured per IOM.
Note: There is only one multicast queue per ATM FCP.
Traffic Pace Select traffic pacing on the IOM. Traffic pacing prevents cell
loss during Frame Relay-to-ATM Interworking. There is a
slight reduction in throughput.
Enable – Select the check box to enable traffic pacing on the
IOM.
Disable – (default) Clear the check box to stop traffic pacing
on the IOM.
VBR Rt Shaping Select traffic shaping for VBR RT traffic (based on the Frame
Relay parameters set for this circuit).
Enable – Select the check box to enable traffic shaping for
VBR RT traffic.
Disable – (default) Clear the check box to stop traffic
shaping for VBR RT traffic.
Note: You must enable the Traffic Pace field.
VBR Nrt Shaping Select traffic shaping for VBR NRT traffic (based on the
Frame Relay parameters set for this circuit).
Enable – Select the check box to enable traffic shaping for
VBR NRT traffic.
Disable – (default) Clear the check box to stop traffic
shaping for VBR NRT traffic.
Note: You must enable the Traffic Pace field.
Prioritization of
Traffic
Select whether traffic is ordered by priority. The priority
levels from highest to lowest are VBR-RT, VBR-NRT, and
unspecified bit rate (UBR).
Enable – Select the check box to order traffic by priority.
Disable – (default) Clear the check box to stop ordering
traffic by priority.
Note: Enabling traffic prioritization results in a reduction of
throughput.
Table 6-1. Modify Card: ATM Flow Control Processor Tab Fields
Field Action/Description
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