Category Archives: QoS

Queuing Example LLQ/CBWFQ

CBWFQ class-map match-all MatchEF match dscp ef ! ! policy-map VoicePolicy class MatchEF bandwidth percent 30   LLQ class-map match-all MatchEF match dscp ef ! ! policy-map VoicePolicy class MatchEF priority percent 30  

Posted in LAB, QoS | Tagged , | Leave a comment

Cisco Queuing Methods

First In First Out (FIFO) Queueing First In, First Out (FIFO) Queueing Packets are forwarded in the same order in which they arrive at the interface. Priority Queuing (PQ) PQ ensures that important traffic gets the fastest handling at each … Continue reading

Posted in LAB, Notes, QoS | Tagged , , , , | Leave a comment

What is the difference between cos , ip precedence and dscp

cos is used at layer 2 ip precedence is the old way for type of service(ToS) DSCP is the new way for type of service(ToS) DSCP is backward compatible with ip precedence Below is a the IPV4 datagram packet As you … Continue reading

Posted in LAB, QoS | Tagged , , | 3 Comments