JN0-694 Question #28: Real Exam Question with Answer & Explanation

Traffic with the IPP value af21 should be assigned to the expedited forwarding queue; however, this traffic is not being assigned to that queue. user@router# show class-of-service classifiers { inet-precedence ipp-test { import default; forwarding-class best-effort { loss-priority low code-points be; } forwarding-class expedited-forwarding { loss-priority low code-points af21; } forwarding-class assured-forwarding { loss-priority low code-points af11; } forwarding-class network-control { loss-priority low code-points nc1; } } } user@router# show firewall filter MF { term 1 { from { precedence 0; } then forwarding-class best-effort; } term 2 { from { precedence 5; } then forwarding-class expedited-forwarding; } term 3 { from { precedence 2; } then forwarding-class assured-forwarding; } term 4 { from { precedence 6; } then forwarding-class network-control; } term 5 { then accept; } } user@router> show class-of-service ... Code point type: inet-precedence Alias Bit pattern af11 001 af21 010 af31 011 af41 100 be 000 cs6 110 cs7 111 ef 101 nc1 110 nc2 111 Referring to the exhibit, what is causing this behavior?