Chapter 6: Command Line Console Management

2. Usage:

Use this command to add MAC addresses to be allowed to access the port.

Use the no parameter with this command to delete MAC addresses to be allowed to access the port.

3. Command Syntax: port-security allowed-address MAC

no port-security allowed-address MAC

MAC the Media Access Control (MAC) address in the HHHH.HHHH.HHHH format.

4. Example:

The following example adds MAC address 2222.2222.2222 to be allowed to access the interface fe1 (port 1):

switch_a(config)#interface fe1

switch_a(config-if)#port-security allowed-address 2222.2222.2222 switch_a(config-if)#

6.4 Switching

Bridging, Static MAC Entry, Port Mirroring

Bridging

Aging Time (seconds):

1. Command Mode: Configure mode

Logon to Configure Mode (Configure Terminal Mode). The switch_a(config)# prompt will show on the screen. switch_a(config)#

2. Usage:

Use this command to specify an ageing-out time for a learned MAC address. The learned MAC address will persist till this specified time.

3. Command Syntax:

Bridge GROUP ageing-time AGEINGTIME no bridge GROUP ageing-time

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Black Box 8-port 10/100base-tx hardened ethernet extender switch, LB308A user manual Switching