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Chapter 8

| General Security Measures

Network Access (MAC Address Authentication)

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network-access

link-detection

Use this command to enable link detection for the selected port. Use the no form of

this command to restore the default.

Syntax

[no] network-access link-detection

Default Setting

Disabled

Command Mode

Interface Configuration

Example

Console(config)#interface ethernet 1/1

Console(config-if)#network-access link-detection

Console(config-if)#

network-access link-

detection link-down

Use this command to detect link-down events. When detected, the switch can shut

down the port, send an SNMP trap, or both. Use the no form of this command to

disable this feature.

Syntax

network-access link-detection link-down

action [shutdown | trap | trap-and-shutdown]

no network-access link-detection

action - Response to take when port security is violated.

shutdown - Disable port only.

trap - Issue SNMP trap message only.

trap-and-shutdown - Issue SNMP trap message and disable the port.