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Dell(conf)# interface fo 0/0
INTERFACE mode
Dell(conf-if-fo-0/0)# ip address 90.1.1.1/16
2. Configure a Layer 2 QoS policy with Layer 2 (Dot1p or source MAC-based) match criteria.
CONFIGURATION mode
Dell(conf)# policy-map-input l2p layer2
3. Apply the Layer 2 policy on a Layer 3 interface.
INTERFACE mode
Dell(conf-if-fo-0/0)# service-policy input l2p layer2
Applying DSCP and VLAN Match Criteria on a Service Queue
You can configure Layer 3 class maps which contain both a Layer 3 Differentiated Services Code Point
(DSCP) and IP VLAN IDs as match criteria to filter incoming packets on a service queue on the switch.
To configure a Layer 3 class map to classify traffic according to both an IP VLAN ID and DSCP value, use
the match ip vlan vlan-id command in class-map input configuration mode. You can include the
class map in a policy map, and apply the class and policy map to a service queue using the service-
queue
command. In this way, the system applies the match criteria in a class map according to queue
priority (queue numbers closer to 0 have a lower priority).
To configure IP VLAN and DSCP match criteria in a Layer 3 class map, and apply the class and policy
maps to a service queue:
1. Create a match-any or a match-all Layer 3 class map, depending on whether you want the packets
to meet all or any of the match criteria. By default, a Layer 3 class map is created if you do not enter
the layer2 option with the class-map command. When you create a class map, you enter the class-
map configuration mode.
CONFIGURATION mode
Dell(conf)#class-map match-all pp_classmap
2. Configure a DSCP value as a match criterion.
CLASS-MAP mode
Dell(conf-class-map)#match ipdscp 5
3. Configure an IP VLAN ID as a match criterion.
CLASS-MAP mode
Dell(conf-class-map)#match ip vlan 5
4. Create a QoS input policy.
CONFIGURATION mode
Dell(conf)#qos-policy-input pp_qospolicy
5. Configure the DSCP value to be set on matched packets.
QOS-POLICY-IN mode
Dell(conf-qos-policy-in)#set ip-dscp 5
Quality of Service (QoS)
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