Accton Technology ES4710BD - Manual (Page 336)

335
E ES4710BD 10 Slots L2/L3/L4 Chassis Switch
Fig 16-5 Policing and Remarking process
Queuing and scheduling: Packets at the egress will re-map the internal DSCP value to CoS value,
the queuing operation assigns packets to appropriate queues of priority according to the CoS value;
while the scheduling operation performs packet forwarding according to the prioritized queue
weight. The following flowchart describes the operations during queuing and scheduling.
Finish
Read packet DSCP value
Check process for
out-of-profile traffic
Packet pass
through
Discard the
packet
Remark packet DSCP according
to policed-DSCP mapping
Start
Matching policing policy
for this DSCP value?
Check policing policy, is
traffic in profile?