S3400-48T4SP PoE+ Switch MAC Address Table Configuration

1. MAC Address Table Configuration

This chapter describes the functions of configuring the MAC address table on the switch, including:

• Configuring static MAC address
• Configuring MAC address aging time
• Configuring black hole MAC address
• Displaying MAC address table
• Removing dynamic MAC address

1.1 MAC Address Configuration Task List

The following tasks are covered in this section:

• Configuring static MAC address
• Configuring MAC address aging time
• Configuring black hole MAC address
• Displaying MAC address table
• Removing dynamic MAC address

1.2 MAC Address Configuration Tasks

1.2.1 Configuring Static MAC Address

A static MAC address table entry is one that cannot be aged by the switch and can only be deleted manually. Static MAC addresses can be added or deleted as required. Enter privilege mode and use the following steps to add or delete a static MAC address:

1.2.2 Configuring MAC Address Aging Time

When a dynamic MAC address is not used within a specified aging time, the switch will delete it from the MAC address table. The MAC aging time can be set according to actual needs. The default aging time is 300 seconds. Enter EXEC mode and use the following steps to configure the aging time of the MAC address:

1.2.3 Configuring Black Hole MAC

Black hole MAC address entries are those that cannot communicate but can only be removed manually. Black hole MAC addresses can be added or deleted as required. Enter EXEC mode and use the following steps to add or delete a static MAC address:

1.2.4 Displaying MAC Address Table

To view MAC address table information for debugging or management, use the show command:

1.2.5 Removing Dynamic MAC Address

In some cases, it may be necessary to clear learned MAC addresses. Enter privileged mode and use the following commands to delete a dynamic MAC address: