Hi Alls,
I have some concerns, if we consider QoS, we can configure QoS as following for instance.
policy-map **name**
class **name_A**
set dscp default
class **name**
set dscp af20
class **name_B**
queue-limit 8192
service-policy **name_c**
under above condition, Does two classes work arranged in a row(line) or in order ?