
Configuring Frame Relay Services
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Congestion Control
Congestion control is disabled by default. To enable congestion control, navigate
to the frame-relay interface prompt (for example,
box; serial/1/2;
frame-relay/1/2
) and enter:
congestion-control enabled
Enabling this parameter tells the router to drop all outbound traffic destined for a
congested PVC until the congestion clears. The value of this parameter affects all
PVCs that you do not individually configure.
For example, the following command line enables congestion control for this
frame relay interface:
frame-relay/1/2#
congestion-control enabled
frame-relay/1/2#
Congestion Timer
To change the value for the congestion timer, navigate to the frame-relay prompt
for the interface (for example,
box; serial/1/2; frame-relay/1/2
) and enter:
congestion-timer
<integer>
integer
is the length of time, in seconds, during which the router counts congestion
notifications. If the router receives the number of congestion notifications you set
in the congestion counter during this interval, the router stops transmitting data.
The value can be 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, or 5 seconds. The default is 1
second.
For example, the following command line sets a congestion timer
of 2.5 seconds:
frame-relay/1/2#
congestion-timer 2.5
frame-relay/1/2#
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