• QoS best practices for better bandwidth management.  [Network Computing]

• Another DMVPN routing question.  [ipSpace]

• QoS marking is an application problem.  [Russ White]  [ipSpace]

• Cisco and Apple agree: QoS marking is an application problem.  [ipSpace]

• Quick post on LLQ.  [Lost In Transit]

• The basics of QoS.  [Network Computing]

• TCP/IP is a lossy protocol.  [EtherealMind]

• The future of multicast and QoS.  [ipSpace]

• General behaviour of QoS queues on Cisco IOS.  [Lost In Transit]

• QoS terminology – comparing Cisco to MEF and RFC terminology.  [Lost In Transit]

• IPv6 QoS markings calculator.  [PacketMischief]

• Do we need QoS in the data center?  [ipSpace]

• QoS design for CCDE.  [Lost In Transit]

• Book review: End-to-End QoS Network Design: QoS for Rich-Media & Cloud Networks.  [Lost In Transit]

• How does MPLS-TE interact with QoS?  [ipSpace, video]

• I want to prioritise video traffic -- what protocols and port numbers should I add to my QoS design?  [StackExchange]

• Verifying end-to-end QoS marking.  [Route Reflector]

• What does TCP Fast Open mean for DDoS and QoS?  [Reddit]

• Mice, elephants, and virtual switches.  [ipSpace]

• Queuing mechanisms in modern switches.  [ipSpace]

• QoS on a dedicated VoIP network.  [StackExchange]

• Auto-QOS configuration for Cisco network.  [StackExchange]

• How are WFQ and WRED releated?  [StackExchange]

• The case for more granular QoS.  [Network Computing]

• VoIP planning: three critical steps.  [Network Computing]

• Challenges of QoS in VPLS networks.  [PacketU]

• The benefits of multiple classes of service for Ethernet mobile backhaul.  [Ethernet Academy]

• The best of RIPE65 -- the concept of QoS by Geoff Huston.  [ipSpace]  [RIPE]  [RIPE PDF]

  • Geoff Huston archives -- RIPE65.  [EtherealMind]

• How to stop network traffic fighting like cat and dog.  [The Register]

• QoS marking with Scapy.  [PacketLife]

• Some more QoS basics.  [IOS Hints]

• Understanding single-rate and dual-rate traffic policing.  [CCIE Blog]

• Incomplete thought: just-in-time QoS.  [Brad Hedlund]

• Optimum bandwidth allocation for VoIP traffic.  [CCIE Blog]

• Did Internet founders actually anticipate paid, prioritised traffic?  [Wired]

• DSCP QoS over MPLS thoughts.  [EtherealMind]

• Do you need the new QoS class?  Answers and explanations.  [CCIE Blog]

VoIP

• • Thoughts on IP telephony.  [Networking Nerd]

  • Ten things you always wanted to know about IP Voice.  [The Register]

  • Calculating VoIP throughput requirements.  [PacketLife]

  • VoIP basics cheat sheet.  [PacketLife]

  • An introduction to SIP, part 1.  [Ars Technica]

  • How SIP won the VoIP protocols wars.  [Ars Technica]

ip access-list extended <ACL-name>

  deny <...>

  permit <...>

class-map match-all <class-name>

  match access-group <ACL-name>

policy-map <pol-name>

  class <class-name>

    set dscp [ef|cs3|af41|...]

      police x exceed-action [drop|policed-dscp-transmit]

interface <...>

  service-policy input <pol-name>

!--- Classification ---!

firewall

  filter <filter-name>

    term <term-name>

      from <...>

      then accept

    term final

      then forwarding-class [default|medium|high|netcontrol]

interface <...>

  unit <...>

    family inet

      filter [input|output] <filter-name>

!--- Queueing and congestion avoidance ---!

class-of-service

  classifier inet-precedence <class-name>

    forwarding-class [default|medium|high|netcontrol]

      loss-priority high code-points <...>

drop-profiles <drop-name>

  forwarding-classes queue [0-default|1-medium|2-high|3-netcontrol]

schedulers [default|medium|high|netcontrol]

  transmit rate <%>

  buffer size <%>

  priority [high|low|strict-high]

  drop-profile-ma <drop-name>

scheduler-maps <sched-name>

  forwarding-class netcontrol scheduler netcontrol

  forwarding-class high scheduler high

  forwarding-class medium scheduler medium

  forwarding-class default scheduler default

interface <...>

  scheduler-map <sched-name>

  unit *

    classifiers

      inet-precedence <filter-name>