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How to setup an M4250 switch for CobraNet

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This note will help you make a Netgear M4250 switch more friendly for CobraNet, the backbone for a Vocia paging system. Click each image to enlarge.

 

Create a Data VLAN for CobraNet

  1. Connect to the M4250 switch on the OOB port and log into the AV UI.

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  1. Create a new VLAN using the Data profile. The default VLAN on the M4250 cannot be used for CobraNet.

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  1. Provide a Profile Name and VLAN ID for the new VLAN and assign it to the ports that will be used for CobraNet. (Do not use VLAN ID 1 or 2.) Click Apply. 

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  1. Save the configuration and log out of the AV UI.

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Disable IGMP Plus and MLD Plus to simplify Multicast traffic

  1. Log into the Main UI.

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  1. Navigate to the Switching > Multicast > IGMP Snooping > IGMP Snooping VLAN Configuration page. Select the CobraNet VLAN and set IGMP Plus Mode to Disable. Click Apply.

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  1. Navigate to the MLD Snooping > MLD VLAN Configuration page. Select the CobraNet VLAN and set MLD Plus Mode to Disable. Click Apply. Click ðŸ’¾︎ Save.

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In some configurations, IGMP Snooping and MLD Snooping may already be disabled on the Data VLAN profile. You can verify whether IGMP Snooping and MLD Snooping are disabled on the CobraNet VLAN from IGMP Snooping > Configuration and MLD Snooping > Configuration respectively.

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  1. Article type
    How-to
  2. Tags
    1. CobraNet
    2. netgear
    3. Simple Solution