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Chapter 25
Diagram of QoS Process
Figure 25-1. 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.
25-6
Figure 25-1
illustrates the QoS process from when a frame enters the switch
to when the frame exits the switch.
Frame received on
switch port.
Ø
Priority of frame is
identified.
Ø
Frame is stored in 1 of
8 ingress priority
queues
Ý
Frame is stored in 1
of 8 egress priority
queues on egress port.
Ö
User Guide for the Avaya P580 and P882 Multiservice Switches, v6.1
Frame is forwarded from
egress priority queue to
destination.
Ö
The switch uses queue-
servicing algorithms to
schedule transmission of
frames from the egress
queues.
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