Output queuing and scheduling
Module
QoS supports fixed set of eight egress queues on each port. When these queues have
packet descriptors en-queued for transmission, the transmit scheduler is responsible for
selecting one of the queues for transmission. Each of the queues in the Network Module ports
can be scheduled using either Strict Priority (SP) or D-WRR (Deficit Weighted Round
Robin).
The show qos module ethernet command shows the scheduling method and its
configuration (including the weight and WRR group for queues with WRR scheduling) for each
of the eight queues on that port.
Module QoS troubleshooting
Troubleshooting August 2013 271
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