Manual
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flowchart describes the operations. 
Policing and Remarking process 
Queuing  and  scheduling:  There  are  the  internal  priority  and  the  drop  precedence  for  the 
egress  packets,  the  queuing  operation  assigns  the  packets  to  different  priority  queues 
according to the internal priority, while the scheduling operation perform the packet forwarding 
according to  the priority queue weight and  the drop  precedence. The  following flowchart 
describes the operations during queuing and scheduling. 










