Chapter 9
| General Security Measures
Network Access (MAC Address Authentication)
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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.
Default Setting
Disabled
Command Mode
Interface Configuration
Example
Console(config)#interface ethernet 1/1
Console(config-if)#network-access link-detection link-down action trap
Console(config-if)#
network-access link-
detection link-up
Use this command to detect link-up 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-up
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.
Default Setting
Disabled
Command Mode
Interface Configuration
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