ES4710BD 10 Slots L2/L3/L4 Chassis Switch

Start

Read packet DSCP value

Matching policing policy

for this DSCP value?

Check policing policy, is

traffic in profile?

Check process for

out-of-profile traffic

Packet pass

 

Remark packet DSCP according

 

Discard the

through

 

to policed-DSCP mapping

 

packet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Finish

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.

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Accton Technology ES4710BD manual Start