MQC Low Latency Queueing


You are the VoIP specialist at the ISP you are working for. To ensure all VoIP traffic has enough bandwidth and low delay you have to implement some Quality of Service settings. It’s time to classify and mark some traffic!


  • All IP addresses have been preconfigured for you.
  • The serial link between router Prio and Line has a bandwidth of 128Kbps.
  • Configure an outbound policy on router Line with the following configuration:
  • RTP traffic should have a priority queue which is 10 percent of the bandwidth.
  • TELNET traffic should get a remaining bandwidth of 25 percent of the bandwidth.




Low Latency Queueing

Video Solution:

Configuration Files

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Once you are logged in you will find the configuration files right here.

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Written by René Molenaar - CCIE #41726

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  1. class-map match-all RTP
    match protocol rtp
    class-map match-all TELNET
    match protocol telnet
    policy-map POLICY
    class RTP
    priority percent 10
    class TELNET
    bandwidth remaining percent 25

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