configuration. Add a new VLAN group and the Table will add the VLAN entry

 

 

automatically.

 

 

 

• IGMP Snooping

 

Enables or disables IGMP snooping on the VLAN. Ports be assign to the VLAN

Enabled

 

will be applied to filter the Multicast stream.

 

 

Enabled is the default value.

 

 

 

• IGMP Querying

 

Enables or disables IGMP Query mode on the VLAN. The Query mode is used to

Enabled

 

periodically check the multicast group for members that are no longer active. In

 

 

the case where there is more than one multicast router on a sub network, one

 

 

router is elected as the ‘queried’. This router then keeps track of the membership

 

 

of the multicast groups that have active members. The information received from

 

 

IGMP is then used to determine if multicast packets should be forwarded to a

 

 

given sub network or not. The router can check, using IGMP, to see if there is at

 

 

least one member of a multicast group on a given subnet work. If there are no

 

 

members on a sub network, packets will not be forwarded to that sub network.

 

 

Enabled is the default value.

 

 

 

 

Table 4-17 Description of the IGMP Snooping Configuration

Add a new VLAN group, the VLAN ID will be added to the table automatically with both “IGMP "Note: Snooping Enabled” and “IGMP Querying Enabled”

4.9.2 IGMP Snooping Status

The IGMP Snooping page display the current IGMP Status and the statistics of received Query / report packets. To open IGMP Status screen perform the folling:

1.Click Status -> IGMP Snooping Status

2.The “IGMP Status” screen is displayed as in Figure 4-36.

Figure 4-36IGMP Snooping Status

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