Netgear M4100-26-POE (FSM7226Pv1h1) - 24‐port FE + 2 GE Combo L2 Managed PoE Switch ユーザーズマニュアル

The default admin user name is admin and the default admin password is blank, that is, 
do not enter a password.

Click the Login button. 

The web management interface menu displays.

Select Switching

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 IGMP VLAN Configuration.

To enable IGMP snooping on a VLAN, enter the VLAN ID in the appropriate field and 
configure the IGMP snooping values:

For Admin Mode, select Enable or Disable for IGMP snooping for the specified 
VLAN ID.

For Fast Leave Admin Mode, select Enable or Disable for the specified VLAN ID.

In the Group Membership Interval field, set the value for group membership interval 
of IGMP snooping for the specified VLAN ID. 

The valid range is (Maximum Response Time + 1) to 3600 seconds.

In the Maximum Response Time field, set the value for the maximum response time 
of IGMP snooping for the specified VLAN ID. 

The valid range is 1 to (Group Membership Interval – 1). Its value should be greater 
than group membership interval value.

In the Multicast Router Expiry Time field, set the value for multicast router expiry time 
of IGMP snooping for the specified VLAN ID. 

The valid range is 0 to 3600 seconds.

To disable IGMP snooping on a VLAN and remove it from the list, select the check box next 
to the VLAN ID and click the DELETE button.

To modify IGMP snooping settings for a VLAN, select the check box next to the VLAN ID, 
update the desired values, and click the APPLY button.

You can configure the interface as the one the multicast router is attached to. All IGMP 
packets snooped by the switch are forwarded to the multicast router reachable from this 
interface. The configuration is not needed most of the time because the switch automatically 
detects the presence of the multicast router and forward IGMP packet accordingly. It is