How do I configure Multicast Listener Discovery (MLD) using the web interface on my managed switch? - NETGEAR Support

In this case, PIM-DM is enabled on Switch A and Switch B, and MLD is enabled on Switch B’s port 1/0/24 to discover the multicast listeners.

Enable IP routing on the switch.
1. Select Routing > IP > Basic > IP Configuration.
  
  A screen similar to the following displays.
2. For Routing Mode, select the Enable radio button.
3. Click Apply.
Enable IPv6 unicast routing on the switch.
1. Select Routing > IPv6 > Basic > Global Configuration.
  
  A screen similar to the following displays.
2. For IPv6 Unicast Routing, select the Enable radio button.
3. Click Apply.
Configure 1/0/1 and 1/0/13 as a IPv6 routing ports.
1. Select Routing > IPv6 > Advanced > Interface Configuration.
  
  A screen similar to the following displays.
2. Scroll down and select the Interface 1/0/1 and 1/0/13 check boxes.
3. Enter the following information:
  - In the IPv6 Mode field, select Enable.
  - In the Routing Mode field, select Enable.
  - In the Admin Mode field, select Enable.
4. Click Apply to save the settings.
Assign an IPv6 address to 1/0/1.
1. Select Routing > IPv6 > Advanced > Prefix Configuration.
  
  A screen similar to the following displays.
2. In the Interface field, select 1/0/1.
3. Enter the following information:
  - In the IPv6 Prefix field, enter 2001:1::1.
  - In the Prefix Length field, enter 64.
  - In the EUI64 field, select Disable.
4. Click Add to save the settings.
Assign an IPv6 address to 1/0/13.
1. Select Routing > IPv6 > Advanced > Prefix Configuration.
  
  A screen similar to the following displays.
2. Select Interface 1/0/13.
3. Enter the following information:
  - In the IPv6 Prefix field, enter 2001:2::1.
  - In the Prefix Length field, enter 64.
  - In the EUI64 field, select Disable.
4. Click Add to save the settings.
Configure the router ID of OSPFv3.
1. Select Routing > OSPFv3 > Basic > OSPFv3 Configuration.
  
  A screen similar to the following displays.
2. In the Router ID field, enter 1.1.1.1.
3. For Admin Mode, select the Enable radio button.
4. Click Apply.
Enable OSPFv3 on interfaces 1/0/1 and 1/0/13.
1. Select Routing > OSPFv3 > Advanced > Interface Configuration.
  
  A screen similar to the following displays.
2. Scroll down and select the Interface 1/0/1 and 1/0/13 check boxes.
3. In the Admin Mode field, select Enable.
4. Click Apply to save the settings.
Enable multicast globally.
1. Select Routing > Multicast > Global Configuration.
  
  A screen similar to the following displays.
2. For Admin Mode, select the Enable radio button.
3. Click Apply.
Enable PIM-DM globally.
1. Select Routing > IPv6 Multicast > IPv6 PIM > Global Configuration.
  
  A screen similar to the following displays.
2. For Admin Mode, select the Enable radio button.
3. Click Apply.
Enable PIM-DM on interfaces 1/0/1 and 1/0/13.
1. Select Routing > IPv6 Multicast > IPv6 PIM > Interface Configuration.
  
  A screen similar to the following displays.
2. Scroll down and select the Interface 1/0/1 and 1/0/13 check boxes.
3. In the Admin Mode field, select Enable.
4. Click Apply to save the settings.

MLD on Switch B

Enable IP routing on the switch.
1. Select Routing > IP > Basic > IP Configuration.
  
  A screen similar to the following displays.
2. For Routing Mode, select the Enable radio button.
3. Click Apply.
Enable IPv6 unicast routing on the switch.
1. Select Routing > IPv6 > Basic > Global Configuration.
  
  A screen similar to the following displays.
2. For IPv6 Unicast Routing, select the Enable radio button.
3. Click Apply.
Configure 1/0/21 and 1/0/24 as IPv6 routing ports.
1. Select Routing > IPv6 > Advanced > Interface Configuration.
  
  A screen similar to the following displays.
2. Scroll down and select the Interface 1/0/21 and 1/0/24 check boxes.
3. Enter the following information:
  - In the IPv6 Mode field, select Enable.
  - In the Routing Mode field, select Enable.
  - In the Admin Mode field, select Enable.
4. Click Apply to save the settings.
Assign an IPv6 address to 1/0/21.
1. Select Routing > IPv6 > Advanced > Prefix Configuration.
  
  A screen similar to the following displays.
2. In the Interface field, select 1/0/21.
3. Enter the following information:
  - In the IPv6 Prefix field, enter 2001:1::2.
  - In the Prefix Length field, enter 64.
  - In the EUI64 field, select Disable.
4. Click Add to save the settings.
Assign an IPv6 address to 1/0/24.
1. Select Routing > IPv6 > Advanced > Prefix Configuration.
  
  A screen similar to the following displays.
2. Under IPv6 Interface Selection, in the Interface field, select 1/0/24 .
3. Enter the following information:
  - In the IPv6 Prefix field, enter 2001:3::1.
  - In the Prefix Length field, enter 64.
  - In the EUI64 field, select Disable.
4. Click Add to save the settings.
Configure the router ID of OSPFv3.
1. Select Routing > OSPFv3 > Basic > OSPFv3 Configuration.
  
  A screen similar to the following displays.
2. In the Router ID field, enter 2.2.2.2.
3. For Admin Mode, select the Enable radio button.
4. Click Apply.
Enable OSPFv3 on interfaces 1/0/21 and 1/0/24.
1. Select Routing > OSPFv3 > Advanced > Interface Configuration.
  
  A screen similar to the following displays.
2. Under OSPFv3 Interface Configuration, scroll down and select the Interface 1/0/21 and 1/0/24 check boxes.
3. In the OSPFv3 Interface Configuration, in the Admin Mode field, select Enable.
4. Click Apply to save the settings.
Enable multicast globally.
1. Select Routing > Multicast > Global Configuration.
  
  A screen similar to the following displays.
2. For Admin Mode, select the Enable radio button.
3. Click Apply.
Enable PIM-DM globally.
1. Select Routing > IPv6 Multicast > IPv6PIM > Global Configuration.
  
  A screen similar to the following displays.
2. For Admin Mode, select the Enable radio button.
3. Click Apply.
Enable PIM-DM on interfaces 1/0/21 and 1/0/24.
1. Select Routing > IPv6 Multicast > IPv6 PIM > Interface Configuration.
  
  A screen similar to the following displays.
2. Under PIM Interface Configuration, scroll down select the Interface 1/0/21 and 1/0/24 check boxes.
3. In the Admin Mode field, select Enable.
4. Click Apply to save the settings.
Enable MLD on the switch.
1. Select Routing > IPv6 Multicast > MLD > Global Configuration.
  
  A screen similar to the following displays.
2. For Admin Mode, select the Enable radio button.
3. Click Apply.
Enable MLD on interface 1/0/24.
1. Select Routing > IPv6 Multicast > MLD > Routing Interface Configuration.
  
  A screen similar to the following displays.
2. Under MLD Routing Interface Configuration, scroll down and select the 1/0/24 check box.
  
  Now 1/0/24 appears in the Interface field at the top.
3. In the Admin Mode field, select Enable.
4. Click Apply.

For more information, see the following support articles:

This article applies to the following managed switches and their respective firmware:

M5300 - firmware version 10.0.0.x
- M5300-28G (GSM7228S)
- M5300-5G (GSM7252S)
- M5300-28G3 (GSM7328Sv2h2)
- M5300-52G3 (GSM7352Sv2h2)
- M5300-28G_POE+ (GSM7228PSv1h2)
- M5300-52G-POE+ (GSM7252PSv1h2)
- M5300-28GF3 (GSM7328FSv2)
XSM7224S - firmware version 9.0.1.x (license required to support the feature described in this article)

Last Updated:07/07/2025 | Article ID: 21995

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