what is the difference between layer 2 and layer 3 qos

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

Is This Answer Correct ?    13 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What does tcp/ip stand for?

664


What port can I use instead of 8080?

612


Is dns a protocol?

672


How can I tell if my isp is blocking ports?

598


What is a dns address?

586






Do switches use ip addresses?

585


How do I get computer name from ip address?

584


What is smb used for?

626


How do applications coexist over tcp and udp?

873


What is difference between tcp and ip?

598


What do you know about Ipv4 and Ipv6?

638


What is an example of a dns?

574


What is netsh interface?

567


How come the systems know to differentiate between network id and the host id?

625


What is the protocol used in Network layer?

638