conf t
class-map type qos cnq6
match cos-group 6
exit
class-map type qos cnq5
match cos-group 5
exit
class-map type qos cnq4
match cos-group 4
class-map type qos cnq3
match cos-group 3
exit
class-map type qos cnq2
match cos-group 2
exit
class-map type qos cnq1
match cos-group 1
exit
system qos
service-policy type network-qos pnqos
end
conf t
policy-map type network-qos pnqos
class type network-qos cnq5
mtu 1500
set cos ef
congestion-control random-detect ecn
class-type network-qos cnq6
mtu 1500
set cos 4
class-type network-qos cnq4
mtu 1500
set cos 1
class-type network-qos cnq3
mtu 1500
set cos 1
class-type network-qos cnq2
mtu 1500
set cos 1
class-type network-qos cnq1
mtu 1500
set cos 1
end