How do I enable IGMP-Snooping on Netgear GS724Tv4
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NETGEAR - Switches  


How do I enable IGMP-Snooping on Netgear GS724Tv4

 

Log in to switch management console

The switch can be configured via its web interface. By default, the switch will request a DHCP IP address. If no DHCP server is present on the network, it will self-assign an IP address of 192.168.0.239. Netgear's Smart Control Center application can be used to discover the switch on a network, regardless of its IP address. The application can be downloaded from the Netgear website or installed from the CDROM included in the box. 

Entering the switch's IP address into a web browser will open the management console. The first page is the password prompt.

 

The default password is “password” (entered without quotes). Enter it and press the LOGIN button. The first screen the switch will display is System Information. 

 

Figure 1 – Netgear GS724Tv4 System Information

 

Enable IGMP snooping on the switch

First select the Switching tab, then in the menu bar select Multicast. In the Multicast menu on the left select IGMP Snooping, which will open the IGMP Snooping Configuration page.

Select Enable as shown in the figure below

 

 

Figure 2 – Enabling IGMP Snooping on the switch

Click the APPLY button in the bottom right-hand corner of the screen to save the new configuration.

Enable IGMP Snooping on your Dante VLAN

In the IGMP Snooping menu on the left, select IGMP Snooping VLAN Configuration. In the VLAN ID field, enter the ID of your Dante VLAN (VLAN 11, in this example). Configure the remaining fields using the values shown in the figure below.

 

Figure 2 – Configuring IGMP Snooping on the Dante VLAN

Note: Query Mode is required only when working with multiple switches, but it can be safely enabled on a standalone switch.

Click the ADD button in the bottom right-hand corner of the screen, and the page should look like this:

 

Figure 3 – IGMP Snooping configured on the Dante VLAN

 

IGMP snooping is now configured on your Dante VLAN. Multicast flows will no longer be forwarded to Dante devices which have not subscribed to them.

Summary

By placing all Dante devices on a dedicated VLAN, any multicast Dante traffic will already have been prevented from reaching non-Dante devices. Enabling IGMP snooping on the Dante VLAN takes this a step further, ensuring that multicast flows are sent only to those Dante devices which have been configured in Dante Controller to receive them. Overall network efficiency and Dante efficiency is increased.

Advanced - networks of two or more switches

Configure VLANs, including uplinks

First configure the Dante VLAN on all switches in the network. Configure the uplinks according to the steps in the advanced section.

Note: Because the VLAN is to be used with Dante, the uplink ports should be removed from the AVB VLAN.

Configure IGMP Snooping

Following the steps above, configure IGMP snooping on the Dante VLANs of all switches in the network.

For IGMP snooping to work on two or more switches, one switch needs to be the IGMP Snooping Querier for the whole network. It is possible to configure one switch to the querier, but is more robust to configure all switches as the potential querier - the switch with the highest configured IP address will automatically become the querier.

First select the Switching tab, then in the menu bar select Multicast. In the Multicast menu on the left select IGMP Snooping Querier, which will open the Querier Configuration page.

Select Enable then click the APPLY button in the bottom right-hand corner of the screen.

Figure 4 – Enable Querier Admin Mode

Next select Querier VLAN Configuration. Enter the number of the Dante VLAN, set Querier Election Participate Mode to Enable, then enter an IP addresses to be used for the VLAN's IGMP Querier communication. This should be a unique IP address on the VLAN.

Figure 5 – Configure Querier on Dante VLAN

Click the APPLY button in the bottom right-hand corner of the screen.

IGMP snooping is now configured on the Dante VLAN of your multi-switch network.

Check IGMP Snooping Querier status

Once all switches have been configured, select Querier VLAN Status.

The switch with the highest IP address on the network should look like this, reporting that it is the Querier:

Figure 6 – Querier status

All other switches should look like this, reporting the status as "Non-Querier" and the IP address of the current Querier:

 

 

 

 

 

 

Figure 7 – Non-Querier status

 

 

    更新日期: 10/9/2015 9:45:29 AM  
 
 

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