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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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  2. Create a new VLAN using the Data profile. The default VLAN on the M4250 cannot be used for CobraNet.
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  3. Provide a Profile Name and VLAN ID for the new VLAN and assign it to the ports that will be used for CobraNet. Click Apply.
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  4. 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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  2. 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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  3. 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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