System information

Chapter 4: Configuring Switching Information | 123
GS752TXS Smart Switch Software Administration Manual
• Auto-Video on page 124
• IGMP Snooping on page 125
• IGMP Snooping Querier on page 133
• MLD Snooping on page 137
MFDB
The 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 may contain data for more than one protocol.
To access the MFDB page, click Switching
 Multicast  MFDB  MFDB Table.
To configure MFDB Table page displays the following:
1. Enter the MAC Address whose MFDB table entry you want to be displayed in the
Search by MAC Address field. Enter six two-digit hexadecimal numbers separated by
colons, for example 00:01:23:43:45:67.
2. Click on the Go button. If the address exists, that entry will be displayed. An exact match is
required.
The MFDB Table page displays the following:
• MAC Address: The multicast MAC address for which you requested data.
• VLAN ID: The VLAN ID to which the multicast MAC address is related.
• Component: This is the component that is responsible for this entry in the Multicast
Forwarding Database. Possible values are IGMP Snooping, GMRP, Static Filtering
and MLD Snooping.
• Type: This displays the type of the entry. Static entries are those that are configured
by the end user. Dynamic entries are added to the table as a result of a learning
process or protocol.