Extreme Networks ExtremeWare Command Reference Manual page 405

You can also display FDB scan statistics using the following command:
show diagnostics sys-health-check
Example
The following command clears any FDB entries associated with ports 3-5:
clear fdb ports 3-5
The following command clears any FDB entries associated with VLAN corporate:
clear fdb vlan corporate
On the "i" series of switches. The following command clears all questionable and remapped entries
from the FDB:
clear fdb remap
History
This command was available in ExtremeWare 2.0.
The command was modified in ExtremeWare 6.2.1 to support the broadcast-mac keyword and to
support clearing locked-static entries.
This command was modified in ExtremeWare 6.2.2b108 to support the
questionable entries (known as suspect entries) are marked with an "S" flag.
The keyword was not supported in ExtremeWare 7.0.
remap
The keyword is supported in ExtremeWare 7.1.0, and questionable entries are marked with a "Q"
remap
flag.
This command was added to the Summit "e" series of switches in ExtremeWare 7.1e.
The command was modified in ExtremeWare 7.2e to support the
Platform Availability
This command is available on all platforms.
ExtremeWare 7.5 Command Reference Guide
keyword, and
remap
keyword.
blackhole
clear fdb
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