what is the difference between layer 2 and layer 3 qos
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Answer Posted / quadccie
layer 2 QoS uses CoS( class of service) and deals with mac address like-------
*mac address filter
*mac address mapping
*avoid mac address flooding
layer 3 QoS uses ToS ( type of service ) and deals with ip address like-------
*ip precedence
*usually known as DSCP
*uses af values
*mainly used for VOICE PACKETS
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