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Create Bandwidth Policy Profiles

 

Topic Last Modified: 2011-01-26

Bandwidth policies define limitations on bandwidth usage for real-time audio and video modalities. Bandwidth policies are applied to bandwidth policy profiles, which can be applied to multiple network sites for call admission control.

For guidelines about what bandwidth limits you should set in your CAC deployment, see Planning for Call Admission Control in the Planning documentation.

For details about working with bandwidth policies and policy profiles, see the Lync Server Management Shell documentation for the following cmdlets:

  • New-CsNetworkBandwidthPolicyProfile

  • Get-CsNetworkBandwidthPolicyProfile

  • Set-CsNetworkBandwidthPolicyProfile

  • Remove-CsNetworkBandwidthPolicyProfile

The example policies created in the following procedure set limits for overall audio traffic, individual audio sessions, overall video traffic, and individual video sessions. For example, the 5Mb_Link bandwidth policy profile sets the following limits:

  • Audio Limit: 2,000 kbps

  • Audio Session Limit: 200 kbps

  • Video Limit: 1,400 kbps

  • Video Session Limit: 700 kbps

noteNote:
The minimum Audio Session Limit value is 40 kbps. The minimum Video Session Limit value is 100 kbps.

  1. Start the Lync Server Management Shell: Click Start, click All Programs, click Microsoft Lync Server 2010, and then click Lync Server Management Shell.

  2. For each bandwidth policy profile that you want to create, run the New-CsNetworkBandwidthPolicyProfile cmdlet. For example, run:

    New-CsNetworkBandwidthPolicyProfile -Identity 5Mb_Link -Description "BW profile for 5Mb links" -AudioBWLimit 2000 -AudioBWSessionLimit 200 -VideoBWLimit 1400  -VideoBWSessionLimit 700
    
    New-CsNetworkBandwidthPolicyProfile -Identity 10Mb_Link -Description "BW profile for 10Mb links" -AudioBWLimit 4000 -AudioBWSessionLimit 200 -VideoBWLimit 2800 -VideoBWSessionLimit 700
    
    New-CsNetworkBandwidthPolicyProfile -Identity 50Mb_Link -Description "BW profile for 50Mb links" -AudioBWLimit 20000 -AudioBWSessionLimit 200 -VideoBWLimit 14000 -VideoBWSessionLimit 700
    
    New-CsNetworkBandwidthPolicyProfile -Identity 25Mb_Link -Description "BW profile for 25Mb links" -AudioBWLimit 10000 -AudioBWSessionLimit 200 -VideoBWLimit 7000 -VideoBWSessionLimit 700
    

  1. Open a browser window, and then enter the Admin URL to open the Lync Server Control Panel. For details about the different methods you can use to start Lync Server Control Panel, see Open Lync Server Administrative Tools.

  2. In the left navigation bar, click Network Configuration.

  3. Click the Policy Profile navigation button.

  4. Click New.

  5. On the New Policy Profile page, click Name and then type a name for the bandwidth policy profile.

  6. Click Audio limit, and then type in the maximum number of kbps to allow for all audio sessions combined.

  7. Click Audio session limit, and then type in the maximum number of kbps to allow for each individual audio session.

  8. Click Video limit, and then type in the maximum number of kbps to allow for all video sessions combined.

  9. Click Video session limit, and then type in the maximum number of kbps to allow for each individual video session.

  10. Optionally, click Description, and then type additional information to describe this bandwidth policy profile.

  11. Click Commit.

  12. To finish creating bandwidth policy profiles for your topology, repeat steps 4 through 11 with settings for other bandwidth policy profiles.

 
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