interface FastEthernet0/5
description IP PHONE x1014 & HOST 10.1.20.5
switchport access vlan 20
switchport trunk encapsulation dot1q
switchport trunk native vlan 20
switchport trunk allowed vlan none
switchport mode access
switchport nonegotiate
switchport block multicast
switchport block unicast
switchport voice vlan 101
switchport port-security
switchport port-security maximum 3
switchport port-security aging time 10
switchport port-security aging type inactivity
no ip address
ip access-group ip-device-list in
mls qos trust device cisco-phone
mls qos trust dscp
dot1x port-control auto
dot1x guest-vlan 999
dot1x reauthentication
mac access-group mac-device-list in
spanning-tree portfast
spanning-tree bpdufilter enable
spanning-tree bpduguard enable
spanning-tree guard root
!
interface FastEthernet0/6
description *** UNUSED Port ***
switchport access vlan 999
switchport trunk encapsulation dot1q
switchport trunk native vlan 999
switchport trunk allowed vlan none
switchport mode access
switchport nonegotiate
switchport block multicast
switchport block unicast
switchport port-security
switchport port-security aging time 10
switchport port-security aging type inactivity
no ip address
ip access-group ip-device-list in
shutdown
mls qos cos override
storm-control broadcast level 0.00
storm-control multicast level 0.00
storm-control unicast level 0.00
dot1x port-control force-unauthorized
dot1x guest-vlan 999
dot1x host-mode multi-host
mac access-group mac-device-list in
no cdp enable
spanning-tree portfast
spanning-tree bpdufilter enable
spanning-tree bpduguard enable
spanning-tree guard root

bba-group pppoe vpn1 
 virtual-template 1 
 sessions per-vc limit 1 (1 max number of vpdn session per-vc)
 sessions per-mac limit 1 ( 1 max number of vpnd session per-mac)
 sessions per-mac throtlle ...