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Multicast
Configuring IGMP Multicast Router Interfaces
Configuring IGMP Multicast Router Interfaces
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
Cisco Small Business SG200 Series 8-port Smart Switches Administration Guide
An IGMP router must exist to manage the IGMP clients in a VLAN. For each VLAN
that supports IGMP snooping, the switch must be statically configured with or
must dynamically learn one or more interfaces where there is an IGMP router. An
interface that has an IGMP router is known a IGMP Multicast router Interface. A
VLAN that is IGMP snooping-enabled must have one or more IGMP multicast
router interfaces. An IGMP multicast router can serve one or more VLANs.
To enable a switch port or LAG as an IGMP Mrouter interface and to configure
related settings:
Click Multicast > IGMP Mrouter in the navigation window
By default, the IGMP MRouter Table lists each switch port. To show LAGs, select
LAG from the Interface Type list.
Select the port or LAG that you want to configure and click Edit.
Select Enable for the Mode.
To specify the VLANs that use this interface as the IGMP Mrouter interface, move
the VLAN to the Selected list, as described below.
•
To select a VLAN: Click a VLAN in the Available list, and then click the right-
arrow button to move it to the Selected list.
•
To remove a VLAN: Click a VLAN in the Selected list, and then click the left-
arrow button to move it to the Available list.
Click Apply and then click Close.
In the IGMP Mrouter Table, the interface displays Enable in the Mode column and
lists the selected VLANs.
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