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QoS (MQC/HQF configuration (Define traffic classes (class-map match-any…
QoS
MQC/HQF configuration
Define traffic policy
policy-map POLICY
class CLASS-A
bandwidth percent 10
Apply policy
int gi0/1.146
service-policy <output><input> POLICY
Define traffic classes
class-map match-any CLASS-A
match protocol ip
class-map match-all CLASS-B
match precedence 4
Markings
Layer 2
CoS value <0-7>
Layer 3
IP precedence
critical - Match packets with critical precedence (5)
flash - Match packets with flash precedence (3)
flash-override - Match packets with flash override precedence (4)
immediate - Match packets with immediate precedence (2)
internet - Match packets with internetwork control precedence (6)
network - Match packets with network control precedence (7)
priority - Match packets with priority precedence (1)
routine - Match packets with routine precedence (0)
DSCP
Class selector (CS)
cs1 - Match packets with CS1(precedence 1) dscp (001000)
cs2 - Match packets with CS2(precedence 2) dscp (010000)
cs3 - Match packets with CS3(precedence 3) dscp (011000)
cs4 - Match packets with CS4(precedence 4) dscp (100000)
cs5 - Match packets with CS5(precedence 5) dscp (101000)
cs6 - Match packets with CS6(precedence 6) dscp (110000)
cs7 - Match packets with CS7(precedence 7) dscp (111000)
ef - Match packets with EF dscp (101110
default - Match packets with default dscp (000000)
Assured Forwarding (AF)
af11 Match packets with AF11 dscp (001010)
af12 Match packets with AF12 dscp (001100)
af13 Match packets with AF13 dscp (001110)
af21 Match packets with AF21 dscp (010010)
af22 Match packets with AF22 dscp (010100)
af23 Match packets with AF23 dscp (010110)
af31 Match packets with AF31 dscp (011010)
af32 Match packets with AF32 dscp (011100)
af33 Match packets with AF33 dscp (011110)
af41 Match packets with AF41 dscp (100010)
af42 Match packets with AF42 dscp (100100)
af43 Match packets with AF43 dscp (100110)
Verify
show class-map
• show run class-map
• show policy-map
• show run policy-map
• show policy-map interface
Congestion avoidance