Chapter 8
| General Security Measures
Network Access (MAC Address Authentication)
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Example
Console(config)#interface ethernet 1/1
Console(config-if)#network-access link-detection link-up action trap
Console(config-if)#
network-access link-
detection link-up-
down
Use this command to detect link-up and link-down events. When either event is
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-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-up-down action trap
Console(config-if)#
network-access max-
mac-count
Use this command to set the maximum number of MAC addresses that can be
authenticated on a port interface via all forms of authentication. Use the no form of
this command to restore the default.
Syntax
network-access max-mac-count count
no network-access max-mac-count
count - The maximum number of authenticated IEEE 802.1X and MAC
addresses allowed. (Range: 0-1024; 0 for unlimited)
Default Setting
1024