Dashboard 29
Forwarding Database Information
To display the following form, select Layer 2 > FDB.
The forwarding database (FDB) contains information that maps the media access control (MAC) address of each
known device to the switch port where the device address was learned. The FDB also shows which other ports
have seen frames destined for a particular MAC address.
NOTE: The master forwarding database supports up to 8K MAC address entries on the MP per switch.
The following table describes the Forwarding Database Information controls:
Table 13 Forwarding Database Information controls
Control Description
Show Entries of a Specific Source Port Displays FDB entries for the selected port(s).
Show Entries of a Specific State Displays FDB entries by state.
Show Entries of a Specific VLAN Displays FDB entries for the selected VLAN.
Show Entry of a Specific MAC address Displays a single FDB entry by IP address.
Enter the MAC address using the format, xx:xx:xx:xx:xx:xx.
For example, 08:00:20:12:34:56
Clear Dynamic MACs Removes learned FDB entries.
Entry # Displays the numeric identifier of the FDB entry.
MAC Address Displays the MAC address of the FDB entry.
VLAN Displays the VLAN number of the FDB entry.
Source Port Displays the source port of the FDB entry.
Trunk Displays the trunk number of the FDB entry, if applicable.
State Displays the port state of the FDB entry.
Learned Port Displays the port number of the port that received the FDB entry.
Permanent Displays whether the FDB entry is a static, permanent entry.
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