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Stackable NWay Ethernet Switch User’s Guide
Using the Console Interface 67
Configure Permanent Multicast Filtering
Multicast filtering
allows you to block or forward traffic over each port for one multicast group.
To access the
Static Multicast Filtering Table Configuration
screen, select
Configure Filtering and
Forwarding Table
from the
System Configuration
menu. Then select
Configure Permanent Multicast
Filtering
from the bottom of the
Configure Filtering and Forwarding table
screen. The following screen
appears:
Figure 6-23. Static Multicast Filtering Table Configuration screen
To make a change to the
Static Multicast Filtering Table
, choose
Add
or
Remove
in the
Action
field. Then
enter the
MAC
Address
and the member port numbers in the desired fields, for example
Master
and
Slave
1
if there are two Switches in your stack. Press APPLY to put the changes into effect.
Configure IGMP
Internet Group Management Protocol (IGMP) allows multicasting on your network. When IP Multicast
Filtering is enabled, the Switch can intelligently forward (rather that broadcast) IGMP queries and reports
sent between devices connected to the Switch and an IGMP-enabled device hosting IGMP on your network.
Basically, in these submenus you define whether the Switch can intelligently forward IGMP packets, and you
must also define which 802.1Q VLANs (if present) can send and receive IGMP and Multicast packets.