Configure Switching Information 
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 M4300 Series and M4300-96X Fully Managed Switches User Manual
6.  Use Interface to select the physical interface.
7.  In the Multicast Router field, select Enable or Disable.
8.  Click the Apply button.
Your settings are saved.
Configure a Multicast Router VLAN
You can configure an interface to forward the snooped IGMP packets from a specific VLAN 
only to the multicast router that is connected to the interface. The configuration is not needed 
most of the time since the switch automatically detects a multicast router and forwards the 
IGMP packets accordingly. It is needed only when you want to make sure that the multicast 
router always receives IGMP packets from the switch in a complex network. 
 To configure a multicast router VLAN: 
1.  Launch a web browser.
2.  In the address field of your web browser, enter the IP address of the switch.
The login window opens.
3.  Enter the user name and password. 
The default admin user name is 
admin and the default admin password is blank, that is, 
do not enter a password.
4.  Click the Login button. 
The System Information page displays.
5.  Select Switching> Multicast > IGMP Snooping > Multicast Router VLAN 
Configuration.