The aging type determines the way the
secure MAC addresses are aged out.
absolute(1) - all the secure MAC addresses
will be aged out after
cpsIfSecureMacAddrAgingTime
minutes since the time the
secure MAC address is learned
or configured.
inactivity(2) - all the secure MAC addresses
will age out and will be removed
from the cpsSecureMacAddressTable
only if there is no data traffic
from the secure source MAC address
for the specified time period.