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QoS configuration within LAN

By dunlio ·
I need some advice regarding QoS configuration for a 2 tier LAN. The top tier will comprise of the typical pair of core switches and these are trunked to the 2nd tier of user access switches. Let's say one of these user access switches uses VLAN 100 for data and VLAN 200 for IPT and each user access port is configured with "mls qos vlan-based". The following basic commands have been input on all core and user access switches.



class-map EF

match access-group name IPT


???policy-map LAN

class EF

set dscp ef


access-list IPT has been created to include all host using the relevant IPT ports.



The command "service-policy input LAN" has been applied to SVIs for VLANs 100 and 200 on the 2 core switches. My question is, do we need to explicitly create SVIs for VLANs 100 and 200 on the relevant layer-2 user access switch and apply the command "service-policy input LAN" to these SVIs since the user access ports are using "mls qos vlan-based"? My thought is that if this is not done, the command "mls qos vlan-based" will not be useful.

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