Webex for BroadWorks QoS

Webex for BroadWorks QoS

QoS in Windows for Webex

BroadWorks:

QoS for Webex for Broadworks is done by means of DSCP. AF46 for Audio en AF34 for Video. These settings can be changed using Costum Tags:

%AUDIO_QOS_VALUE_WXT% value 46 (default)
%VIDEO_QOS_VALUE_WXT% value 34 (default)
Note that when changed this needs also be changed in the Group Policies for Windows ADM files or ADMX files. Or in Microsoft Intune.

Windows needs Registry changes.


This can be done in several ways.

Windows Registry file:


  1. Windows Registry Editor Version 5.00
  2. [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\QoS\WebexAppAudioDSCP]
  3. "DSCP Value"="46"
  4. "Local Port"="40000:50000"
  5. "Application Name"="CiscoCollabHost.exe"
  6. "Local IP"="*"
  7. "Local IP Prefix Length"="*"
  8. "Protocol"="*"
  9. "Remote IP"="*"
  10. "Remote IP Prefix Length"="*"
  11. "Remote Port"="*"
  12. "Throttle Rate"="-1"
  13. "Version"="1.0"
  14. [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\QoS\WebexAppVideoDSCP]
  15. "DSCP Value"="34"
  16. "Local Port"="40000:50000"
  17. "Application Name"="CiscoCollabHost.exe"
  18. "Local IP"="*"
  19. "Local IP Prefix Length"="*"
  20. "Protocol"="*"
  21. "Remote IP"="*"
  22. "Remote IP Prefix Length"="*"
  23. "Remote Port"="*"
  24. "Throttle Rate"="-1"
  25. "Version"="1.0"
Save file as WebexQos.reg and to import double click on the file. Admin rights are needed.

Group Policies ADM file:

  1. CLASS MACHINE
  2. CATEGORY !!Webex:Cat_Webex
  3. CATEGORY !!CiscoWebex
  4. POLICY !!WebexAppAudioDSCP_Policy
  5.     KEYNAME "Software\Policies\Microsoft\Windows\QoS\WebexAppAudioDSCP"
  6.     #if version >= 4
  7.     SUPPORTED !!SUPPORTED_WIN7
  8.     #endif
  9.     EXPLAIN !!WebexAppDSCP_Explain
  10.     PART !!WebexAppAudioDSCP_Part EDITTEXT
  11.         VALUENAME "DSCP Value"
  12.         MAXLEN 1000
  13.         DEFAULT "46"
  14.     END PART
  15.     PART !!WebexAppAudioPortRange_Part EDITTEXT
  16.         VALUENAME "Local Port"
  17.         MAXLEN 1000
  18.         DEFAULT "40000:50000"
  19.     END PART
  20.     ACTIONLISTON
  21.         VALUENAME "Application Name" VALUE !!WebexAppName_Part
  22.         VALUENAME "Local IP" VALUE "*"
  23.         VALUENAME "Local IP Prefix Length" VALUE "*"
  24.         VALUENAME "Protocol" VALUE "*"
  25.         VALUENAME "Remote IP" VALUE "*"
  26.         VALUENAME "Remote IP Prefix Length" VALUE "*"
  27.         VALUENAME "Remote Port" VALUE "*"
  28.         VALUENAME "Throttle Rate" VALUE "-1"
  29.         VALUENAME "Version" VALUE "1.0"
  30.     END ACTIONLISTON
  31. END POLICY
  32. POLICY !!WebexAppVideoDSCP_Policy
  33.     KEYNAME "Software\Policies\Microsoft\Windows\QoS\WebexAppVideoDSCP"
  34.     #if version >= 4
  35.     SUPPORTED !!SUPPORTED_WIN7
  36.     #endif
  37.     EXPLAIN !!WebexAppDSCP_Explain
  38.     PART !!WebexAppVideoDSCP_Part EDITTEXT
  39.         VALUENAME "DSCP Value"
  40.         MAXLEN 1000
  41.         DEFAULT "34"
  42.     END PART
  43.     PART !!WebexAppVideoPortRange_Part EDITTEXT
  44.         VALUENAME "Local Port"
  45.         MAXLEN 1000
  46.         DEFAULT "40000:50000"
  47.     END PART
  48.     ACTIONLISTON
  49.         VALUENAME "Application Name" VALUE !!WebexAppName_Part
  50.         VALUENAME "Local IP" VALUE "*"
  51.         VALUENAME "Local IP Prefix Length" VALUE "*"
  52.         VALUENAME "Protocol" VALUE "*"
  53.         VALUENAME "Remote IP" VALUE "*"
  54.         VALUENAME "Remote IP Prefix Length" VALUE "*"
  55.         VALUENAME "Remote Port" VALUE "*"
  56.         VALUENAME "Throttle Rate" VALUE "-1"
  57.         VALUENAME "Version" VALUE "1.0"
  58.     END ACTIONLISTON
  59. END POLICY
  60. END CATEGORY
  61. END CATEGORY
  62. [Strings]
  63. Webex:Cat_Webex="Webex"
  64. CiscoWebex="Webex General Settings"
  65. SUPPORTED_WIN7="Microsoft Windows 7 or later"
  66. WebexAppDSCP_Explain="Configure DSCP value for Webex App.\n\nIf this value is configured, the Webex App will use these DSCP values for audio, video, and sharing data if the data originates from the specified local port range.\n\nRecommended port range: 40000:50000."
  67. WebexAppName_Part="CiscoCollabHost.exe"
  68. WebexAppAudioDSCP_Policy="Configure Audio DSCP for Webex App"
  69. WebexAppAudioDSCP_Part="Audio DSCP Configuration in Webex App"
  70. WebexAppAudioPortRange_Part="Audio data port range"
  71. WebexAppVideoDSCP_Policy="Configure Video DSCP for Webex App"
  72. WebexAppVideoDSCP_Part="Video DSCP Configuration in Webex App"
  73. WebexAppVideoPortRange_Part="Video data port range"

Group Policies ADMXL file:


  1. <?xml version="1.0" encoding="utf-8"?>
  2. <policyDefinitions revision="1.0" schemaVersion="1.0"
  3.                    xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions"
  4.                    xmlns:policy="http://schemas.microsoft.com/GroupPolicy/2006/07/Policy">
  5.   <categories>
  6.     <category name="WebexCategory" displayName="$(string.WebexCategory)"/>
  7.   </categories>
  8.   <policies>
  9.     <policy name="WebexAppAudioDSCP" class="Machine" displayName="$(string.AudioDSCPPolicy)" explainText="$(string.WebexAppDSCP_Explain)" key="Software\Policies\Microsoft\Windows\QoS\WebexAppAudioDSCP" valueName="DSCP Value">
  10.       <enabledValue>
  11.         <decimal id="DSCPValueAudio" valueName="DSCP Value" minValue="0" maxValue="63" defaultValue="46" />
  12.         <text id="AudioPortRange" valueName="Local Port" maxLength="1000" defaultValue="40000:50000"/>
  13.         <text id="ApplicationNameAudio" valueName="Application Name" defaultValue="CiscoCollabHost.exe"/>
  14.         <text id="LocalIP" valueName="Local IP" defaultValue="*"/>
  15.         <text id="LocalIPPrefix" valueName="Local IP Prefix Length" defaultValue="*"/>
  16.         <text id="Protocol" valueName="Protocol" defaultValue="*"/>
  17.         <text id="RemoteIP" valueName="Remote IP" defaultValue="*"/>
  18.         <text id="RemoteIPPrefix" valueName="Remote IP Prefix Length" defaultValue="*"/>
  19.         <text id="RemotePort" valueName="Remote Port" defaultValue="*"/>
  20.         <text id="ThrottleRate" valueName="Throttle Rate" defaultValue="-1"/>
  21.         <text id="Version" valueName="Version" defaultValue="1.0"/>
  22.       </enabledValue>
  23.     </policy>
  24.     <policy name="WebexAppVideoDSCP" class="Machine" displayName="$(string.VideoDSCPPolicy)" explainText="$(string.WebexAppDSCP_Explain)" key="Software\Policies\Microsoft\Windows\QoS\WebexAppVideoDSCP" valueName="DSCP Value">
  25.       <enabledValue>
  26.         <decimal id="DSCPValueVideo" valueName="DSCP Value" minValue="0" maxValue="63" defaultValue="34" />
  27.         <text id="VideoPortRange" valueName="Local Port" maxLength="1000" defaultValue="40000:50000"/>
  28.         <text id="ApplicationNameVideo" valueName="Application Name" defaultValue="CiscoCollabHost.exe"/>
  29.         <text id="LocalIP" valueName="Local IP" defaultValue="*"/>
  30.         <text id="LocalIPPrefix" valueName="Local IP Prefix Length" defaultValue="*"/>
  31.         <text id="Protocol" valueName="Protocol" defaultValue="*"/>
  32.         <text id="RemoteIP" valueName="Remote IP" defaultValue="*"/>
  33.         <text id="RemoteIPPrefix" valueName="Remote IP Prefix Length" defaultValue="*"/>
  34.         <text id="RemotePort" valueName="Remote Port" defaultValue="*"/>
  35.         <text id="ThrottleRate" valueName="Throttle Rate" defaultValue="-1"/>
  36.         <text id="Version" valueName="Version" defaultValue="1.0"/>
  37.       </enabledValue>
  38.     </policy>
  39.   </policies>
  40. </policyDefinitions>
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