Configure Switching
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ProSAFE 10-Gigabit Smart Managed Switch XS728T and XS748T User Manual
• Configure Multicast Group Membership on page 155
• Configure the Multicast Forward All Option on page 156
View the MFDB Table
The Layer 2 Multicast Forwarding Database (MFDB) holds the port membership information
for all active multicast address entries. The key for an entry consists of a VLAN ID and MAC
address pair. Entries can contain data for more than one protocol.
When the switch receives a packet with a destination multicast MAC address, this address is
combined with the VLAN ID, and the switch performs a search in the MFDB. If no match is
found, the packet is either flooded to all ports in the VLAN or discarded, depending on the
switch configuration. If a match is found, the packet is forwarded only to the ports that are
members of that multicast group per the specific VLAN ID.
 To view the MFDB Table:
1. Connect your computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network, or
connect directly to a switch that is off-network using an Ethernet cable.
2. Launch a web browser.
3. In the address field of your web browser, enter the IP address of the switch.
If you do not know the IP address of the switch, see Change the Default IP Address of the
Switch on page 10.
The login window opens.
4. Enter the switch’s password in the Password field.
The default password is password.
The System Information page displays.
5. Select Switching > Multicast > MFDB > MFDB Table.
6. In the Search by MAC Address field, enter a MAC address.
Enter six two-digit hexadecimal numbers separated by colons, for example,
00:01:23:43:45:67.
7. Click the Go button.
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