Which command drops packets with unknown source addresses until you remove a sufficient
number of secure MAC addresses to drop below the maximum value, and also causes the Security
Violation counter to increment?
A.
switchport port-security violation protect
B.
switchport port-security violation drop
C.
switchport port-security violation shutdown
D.
switchport port-security violation restrict
When configuring port security violation modes, note the following information:
•
protect—Drops packets with unknown source addresses until you remove a sufficient number of
secure MAC addresses to drop below the maximum value.
•
restrict—Drops packets with unknown source addresses until you remove a sufficient number of
secure MAC addresses to drop below the maximum value and causes the SecurityViolation
counter to increment.
•
shutdown—Puts the interface into the error-disabled state immediately and sends an SNMP trap
notification.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-
2SX/configuration/guide/book/port_sec.html