vpdn enable
ip local pool vpnpool 10.99.98.8 10.99.98.254
interface Virtual-Template1
 ip addr 10.99.98.1 255.255.255.252
 peer default ip address pool vpnpool
 ppp authentication chap
vpdn-group msgrp
 accept-dialin
  protocol l2tp
   virtual-template 1
   no l2tp tunnel authentication
crypto keyring mskey
 pre-shared-key address 0.0.0.0 0.0.0.0 key cisco
crypto isakmp policy 10
 encr 3des
 authentication pre-share
 hash md5
 group 2
crypto ipsec transform-set ts3 esp-3des esp-md5-hmac
 mode transport
crypto dynamic-map dynmap 10
 set transform-set ts3
crypto map cm3 10 ipsec-isakmp dynamic dynmap
interface fastethernet0/0
 crypto map cm3