username :USERNAME password 0 :PASSWORD

vpdn enable
vpdn-group l2tp-vpdn-group
accept-dialin
protocol l2tp
accept-dialin
protocol l2tp
virtual-template 1
exit
no l2tp tunnel authentication
exit

crypto keyring l2tp-keyring
pre-shared-key address 0.0.0.0 0.0.0.0 key :PSK
exit

crypto ipsec transform-set l2tp-policy esp-3des esp-sha-hmac
mode transport
exit

crypto dynamic-map l2tp-dynamic-map 1
set nat demux
set transform-set l2tp-policy
exit

crypto map l2tp-crypto-map 10 ipsec-isakmp dynamic l2tp-dynamic-map

interface dialer 1
crypto map l2tp-crypto-map
exit

interface virtual-template 1
ip unnumbered GigabitEthernet 0/4
ip access-group 102 in
peer default ip address pool l2tp-pool
keepalive 5
ppp authentication ms-chap-v2
exit

ip local pool l2tp-pool 10.10.10.10 10.10.10.19

access-list 102 permit tcp any 10.10.10.2 0.0.0.0 eq 80