vpdn enable
vpdn multihop
vpdn ip udp ignore checksum
!
vpdn-group 1
! Default L2TP VPDN group
 accept-dialin
  protocol l2tp
  virtual-template 1
 local name czyc
 lcp renegotiation always
 l2tp tunnel password 7 082256570A
!
!
username yz@ycvpn password 7 06575D72
!
interface Virtual-Template1
 ip address 192.168.1.1 255.255.255.0
 peer ip address forced
 peer default ip address pool 1
 ppp authentication chap
!
ip local pool 1 192.168.1.2 192.168.1.20

此只显示L2TP设置,路由部分省略,具体环境是与华为路由器作L2TP,华为路由器作LAC,华为路由器设置请参照本BLOG分类中的华为技术分类.