ii
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
Overview ·························································································································································· 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
Overview ·························································································································································· 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
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