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Priority trust mode on a port ····················································································································· 23

Priority mapping process ·························································································································· 24

Priority mapping configuration tasks ················································································································ 26

Configuring a priority map ································································································································ 27

Configuring an interface to trust packet priority for priority mapping ································································ 27

Changing the port priority of an interface ········································································································· 28

Displaying and maintaining priority mapping ··································································································· 28

Priority mapping configuration examples ········································································································· 28

Priority trust mode configuration example ································································································ 28

Priority mapping table and priority marking configuration example ·························································· 29

Configuring traffic policing, GTS, and rate limit ············································· 33

Overview ·························································································································································· 33

Traffic evaluation and token buckets ········································································································ 33

Traffic policing ·········································································································································· 34

GTS ·························································································································································· 35

Rate limit ·················································································································································· 36

Configuring traffic policing ································································································································ 37

Configuring GTS ·············································································································································· 38

Configuring the rate limit ·································································································································· 38

Displaying and maintaining traffic policing, GTS, and rate limit ······································································· 39

Traffic policing configuration example ·············································································································· 39

Network requirements ······························································································································ 39

Configuration procedure ··························································································································· 40

Configuring congestion management ··························································· 42

SP queuing ··············································································································································· 42

WRR queuing ··········································································································································· 43

WFQ queuing ··········································································································································· 44

SP+WRR queuing ···································································································································· 44

SP+WFQ queuing ···································································································································· 44

Congestion management configuration task list ······························································································ 45

Configuring queuing ········································································································································· 45

Configuring SP queuing ··························································································································· 45

Configuring WRR queuing ······················································································································· 45

Configuring WFQ queuing ························································································································ 46

Configuring SP+WRR queuing ················································································································ 47

Configuring SP+WFQ queuing ················································································································· 48

Displaying and maintaining queuing ········································································································ 49

Configuring queue scheduling profiles ············································································································· 50

Configuring a queue scheduling profile ···································································································· 50

Displaying and maintaining queue scheduling profiles ············································································ 51

Queue scheduling profile configuration example ····················································································· 51

Configuring congestion avoidance ································································ 53

Tail drop ··················································································································································· 53

RED and WRED ······································································································································· 53

ECN ·························································································································································· 53

Configuring and applying a WRED table ········································································································· 54

Configuration procedure ··························································································································· 55

Configuration example ····························································································································· 55

Displaying and maintaining WRED ·················································································································· 56

Configuring traffic filtering ············································································· 57

Configuration procedure ·································································································································· 57

Configuration example ····································································································································· 58

Network requirements ······························································································································ 58

Configuration procedure ··························································································································· 58