local-user l2tp-user service-type ppp password simple l2tp-pass //拨号用户的用户名和密码
l2tp enable //使能l2tp
ip pool 1 192.168.30.10 192.168.30.60 //拨号用户地址池
interface Ethernet0
ip address 219.133.100.1 255.255.255.252 //公网口
interface Ethernet1
ip address 192.168.1.1 255.255.255.0 //内网口
interface Virtual-Template1 //内网口
link-protocol ppp //封装ppp协议
ppp authentication-mode pap //ppp验证方式是pap
remote address pool 1 // 给对端分配ip地址池1
ip address 192.168.30.1 255.255.255.0 //配置ip地址
l2tp-group 1
allow l2tp virtual-template 1 //接受LocalHost过来的呼叫并将其捆绑在vt1口上
mandatory-lcp //允许L2TP组1进行LCP重新协商
undo tunnel authentication //禁止隧道验证
就这几条命令而已~