Owner's Manual
278 | Chapter 10. FDB
NETGEAR 8800 User Manual
Enabling and Disabling SNMP Traps for MAC Address Changes
The default switch configuration disables SNMP traps for MAC address changes. Use the
following commands to enable or disable SNMP traps for MAC address tracking events:
enable snmp traps fdb mac-tracking
disable snmp traps fdb mac-tracking
Displaying the Tracked MAC Addresses and Tracking Statistics
Use the following command to display the MAC address tracking feature configuration,
including the list of tracked MAC addresses:
show fdb mac-tracking configuration
Use the following command to display the counters for MAC address add, move, and delete
events:
show fdb mac-tracking statistics {<mac_addr>} {no-refresh}
Clearing the Tracking Statistics Counters
There are several ways to clear the MAC tracking counters:
• Use the clear counters command
• Use the 0 key while displaying the counters with the show fdb mac-tracking statistics
{<mac_addr>}
command
• Enter the clear counters fdb mac-tracking [<mac_addr> | all] command
Displaying FDB Entries and Statistics
The following sections describe commands to display FDB entries and statistics:
• Displaying FDB Entries on page 278
• Displaying FDB Statistics on page 279
Displaying FDB Entries
To display FDB entries, use the following command:
show fdb {blackhole {netlogin [all | mac-based-vlans]} | hardware <mac_addr>
{vlan} <vlan_name> slot [all | <slot>] {number <num_entries>} | netlogin [all |
mac-based-vlans] | permanent {netlogin [all | mac-based-vlans]} | <mac_addr>
{netlogin [all | mac-based-vlans]} | ports <port_list> {netlogin [all |
mac-based-vlans]} | vlan <vlan_name> {netlogin [all | mac-based-vlans]} |
{{vpls} {<vpls_name>}}}










