configuration. Add a new VLAN group and the Table will add the VLAN entry
automatically.
• IGMP Snooping
Enabled
Enables or disables IGMP snooping on the VLAN. Ports be assign to the VLAN
will be applied to filter the Multicast stream.
Enabled is the default value.
• IGMP Querying
Enabled
Enables or disables IGMP Query mode on the VLAN. The Query mode is used to
periodically check the multicast group for members that are no longer active.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
"Note:
Add a new VLAN group, the VLAN ID will be added to the table automatically with both “IGMP
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 4-36 IGMP Snooping Status
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