time
如果time=0,就是disable aging了
type
aging time 超时后的 action
type absolute ——到时间后所有MAC地址被移除,过时就删
type inactivity——到时间后只有在aging time内inactivity(没有流量的MAC),才remove 条目
Protect—When the number of port-secure MAC addresses reaches the maximum limit that is allowed on the port, the packets with unknown source addresses are dropped until you remove a sufficient number of secure MAC addresses.
Restrict—A port-security violation restricts data and causes the security-violation counter to increment.
Shutdown—The interface is error disabled when a security violation occurs.