iii
Configuring congestion avoidance ··························································································································· 52
Overview ········································································································································································· 52
Tail drop ································································································································································· 52
RED and WRED ····················································································································································· 52
ECN ········································································································································································ 52
Configuring and applying a WRED table ··················································································································· 53
Displaying and maintaining WRED ····························································································································· 54
WRED configuration example ······································································································································ 54
Network requirements ··········································································································································· 54
Configuration procedure ······································································································································ 55
Configuring traffic filtering ········································································································································ 56
Configuration procedure ··············································································································································· 56
Configuration example ·················································································································································· 57
Network requirements ··········································································································································· 57
Configuration procedure ······································································································································ 57
Configuring priority marking ····································································································································· 58
Overview ········································································································································································· 58
Color-based priority marking ········································································································································ 58
Packet coloring methods ······································································································································· 58
Configuring color-based priority marking ·········································································································· 58
Configuration procedure ··············································································································································· 59
Configuration examples ················································································································································ 61
Remarking local precedence configuration example ························································································ 61
Remarking local QoS ID configuration example ······························································································· 62
Configuring nesting ···················································································································································· 66
Configuration procedure ··············································································································································· 66
Nesting configuration example ···································································································································· 67
Network requirements ··········································································································································· 67
Configuration procedure ······································································································································ 67
Configuring traffic redirecting ··································································································································· 69
Configuration procedure ··············································································································································· 69
Configuration example ·················································································································································· 70
Network requirements ··········································································································································· 70
Configuration procedure ······································································································································ 71
Configuring aggregate CAR ····································································································································· 72
Aggregate CAR overview ····································································································································· 72
Configuring aggregate CAR ········································································································································· 72
Displaying and maintaining aggregate CAR ·············································································································· 72
Aggregate CAR configuration example ······················································································································ 72
Network requirements ··········································································································································· 72
Configuration procedure ······································································································································ 73
Configuring class-based accounting ························································································································· 75
Configuration procedure ··············································································································································· 75
Configuration example ·················································································································································· 76
Network requirements ··········································································································································· 76
Configuration procedure ······································································································································ 76
Configuring data buffers ··········································································································································· 78
Configuration task list ···················································································································································· 79
Enabling the Burst function ············································································································································ 79
Configuring data buffers manually ······························································································································ 80
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