Cisco Modular QoS CLI

·         In every ios relese, cisco adds some QoS features & functions,

o   Each of which has its own separate set of configurations and exec commands

·         There are many different QoS tools & different QoS commands,

o   QoS configuration became a big chore(specific configuration for specific work)

·         Cisco creates the MQC to help resolve these problems,

o   By defining a common set of configuration commands to configure many QoS features in a router or switch.

·         MQC is not totally new CLI

o   It is a method of categorizing

·         IOS classification

·         Marking and related actions

o   Into a logical groupings to unify the Command-Line Interface

·         MQC defines a new set of configuration commands

o   Commands that are typed in using the same ios CLI, in configuration mode.

·         In MQC, one new command to know how to configure any additional MQC based QoS tools

·         We can identify MQC based tools by the name of the tool

§  They all begin with the phrase “class-based” (CB)

§  These tools include

·         CB Marking

·         CB Weighted Fair Queing (CBWFQ)

·         CB Policing

·         CB Shaping

·         CB Header Compression