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Multicast
Configuring MAC Group Addresses
Cisco Small Business SG200 Series 8-port Smart Switch 133
8
• Forward All—All multicast packets received from a VLAN are flooded to all
ports in the VLAN, regardless of port registrations to multicast addresses.
• Filter Unregistered—If a packet is received from a VLAN for a multicast
destination address and no ports in the VLAN are registered to receive
multicast packets for that address, then the packets are dropped.
STEP 3 Click Apply. Your changes are saved to the Running Configuration.
Configuring Multicast Properties on an Individual VLAN
To configure a VLAN to have a different forwarding mode than the Global Multicast
Mode setting:
STEP 1 Select the VLAN from the VLAN ID menu and click Edit.
STEP 2 Select the Multicast Mode as described in Configuring a Multicast Forwarding
Mode on all VLANs.
STEP 3 Click Apply and then click Close. Your changes are saved to the Running
Configuration.
Configuring MAC Group Addresses
The MAC Group Address page enables you to view and configure associations
between multicast group MAC address and VLANs on the switch. You can
configure static associations or they can be learned dynamically through IGMP or
MLD snooping. When a packet is received for a multicast group address that
matches an entry in the MAC Group Address Table, the packet is sent only to ports
that are members of the VLAN.
The switch supports up to 256 IPv4 and IPv6 MAC group address table entries,
static and dynamic combined. A dynamic entry is aged out if no packets are
received for the MAC group address for a configurable time (see the IGMP
Snooping page to configure the IGMP Group Membership interval).