Netgear XCM8806 Chassis User Manual - Page 277
Managing FDB MAC Address Tracking, Adding and Deleting MAC Addresses for Tracking
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NETGEAR 8800 User Manual transit switch can learn the MAC addresses and make incorrect forwarding decisions. To prevent learning on a remote mirroring VLAN, use the following command: disable learning {vlan} To enable learning after it has been disabled, use the following command: enable learning {vlan} Managing FDB MAC Address Tracking The MAC address tracking feature tracks FDB add, move, and delete events for specified MAC addresses and for specified ports. When MAC address tracking is enabled for a port, this feature applies to all MAC addresses on the port. When an event occurs for a specified address or port, the software generates an EMS message and can optionally send an SNMP trap. When MAC address tracking is enabled for a specific MAC address, this feature updates internal event counters for the address. Note: When a MAC address is configured in the tracking table, but detected on a MAC tracking enabled port, the per MAC address statistical counters are not updated. The MAC address tracking feature is always enabled, however, you must configure MAC addresses or ports before tracking begins. The default configuration contains no MAC addresses in the MAC address tracking table and disables this feature on all ports. The following sections describe how to manage this feature: • Adding and Deleting MAC Addresses for Tracking on page 277 • Enabling and Disabling MAC Address Tracking on Ports on page 277 • Enabling and Disabling SNMP Traps for MAC Address Changes on page 278 • Displaying the Tracked MAC Addresses and Tracking Statistics on page 278 • Clearing the Tracking Statistics Counters on page 278 Adding and Deleting MAC Addresses for Tracking Use the following commands to add or delete MAC addresses in the MAC address tracking table: create fdb mac-tracking entry delete fdb mac-tracking entry [ | all] Enabling and Disabling MAC Address Tracking on Ports Use the following command to enable or disable MAC addresses tracking on specific ports: configure fdb mac-tracking {[add|delete]} ports [|all] Chapter 10. FDB | 277
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