H3C Technologies H3C S10500 Series Switches User Manual
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Configuring priority mapping······································································································································· 29
Configuring a priority mapping table················································································································· 29
Configuring a port to trust packet priority for priority mapping ······································································ 29
Changing the port priority of an interface·········································································································· 29
Displaying and maintaining priority mapping············································································································ 30
Priority mapping configuration examples···················································································································· 30
Priority trust mode configuration example ·········································································································· 30
Traffic policing, traffic shaping, and line rate configuration ··················································································34
Traffic policing, traffic shaping, and line rate overview···························································································· 34
Traffic evaluation and token buckets··················································································································· 34
Traffic policing······················································································································································· 35
Traffic shaping······················································································································································· 36
Line rate·································································································································································· 37
Configuring traffic policing··········································································································································· 37
Configuring GTS ···························································································································································· 38
Configuring the line rate ··············································································································································· 39
Displaying and maintaining traffic policing, GTS, and line rate·············································································· 39
Traffic policing configuration example ························································································································ 40
Congestion management configuration ···················································································································43
Congestion management overview······························································································································ 43
Causes, impacts, and countermeasures·············································································································· 43
Congestion management techniques ·················································································································· 43
Congestion management configuration task list········································································································· 46
Configuring congestion management·························································································································· 46
Configuring SP queuing········································································································································ 46
Configuring WRR queuing ··································································································································· 47
Configuring WFQ queuing ·································································································································· 48
Configuring SP+WRR queues ······························································································································ 49
Configuring SP+WFQ queues ····························································································································· 50
Congestion avoidance configuration ·······················································································································52
Congestion avoidance overview·································································································································· 52
Introduction to WRED configuration ···························································································································· 52
WRED configuration approaches························································································································ 52
Introduction to WRED parameters ······················································································································· 53
Configuring WRED ························································································································································ 53
Configuration procedure ······································································································································ 53
Configuration examples········································································································································ 53
Displaying and maintaining WRED ····························································································································· 54
Traffic filtering configuration ·····································································································································55
Traffic filtering overview················································································································································ 55
Configuring traffic filtering············································································································································ 55
Traffic filtering configuration example ························································································································· 56
Traffic filtering configuration example ················································································································ 56
Priority marking configuration···································································································································57
Color-based priority marking········································································································································ 57
Coloring a packet ················································································································································· 57
Marking packets based on their colors··············································································································· 57
Configuring priority marking ········································································································································ 58
Support of cards for priority marking ·························································································································· 59
Priority marking configuration example······················································································································· 60
Priority marking configuration example·············································································································· 60