Avaya P580 - Manual (Page 652)

-6
Chapter
Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, v5.3.1
Diagram of QoS Process
Figure 6-182 illustrates the QoS process from when a frame enters
the switch to when the frame exits the switch.
Figure 6-182. QoS Process
! !
Frame is forwarded
from ingress
priority queue to
egress port.
NOTE: If policing is
enabled, the switch
forwards traffic that
falls within the
maximum bit rate
and drops traffic
that exceeds the
maximum bit rate.
Frame is stored in 1
of 8 egress priority
queues on egress
port. Frame is forwarded
from egress priority
queue to destination.
The switch uses
queue-servicing
algorithms to schedule
transmission of frames
from the egress
queues.
Frame is stored in 1
of 8 ingress priority
queues
Priority of frame is
identified.
Frame received on
switch port.
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