2514#sh run
Building configuration...
Current configuration : 982 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname p2r3
!
!
ip subnet-zero
!
vpdn enable（开启vpdn）
!
vpdn-group tyl
request-dialin
protocol pppoe（启用pppoe协议）
!
!
!
!
interface Ethernet0
no ip address
pppoe enable
pppoe-client dial-pool-number 1（将物理端口和虚拟拨号端口绑定）
!
interface Ethernet1
ip address 192.168.1.254 255.255.255.0
ip nat inside
!
interface Dialer1
ip address negotiated
ip mtu 1492
(将原来的mtu1500变为1492，因pppoe 的包头是8个字节）
ip nat outside
encapsulation ppp
dialer pool 1
（通过拨号池，将物理端口和虚拟拨号端口绑定）
ppp pap sent-username ******@163.gd password 0 ******（ppp pap的单向验证）
!
ip nat inside source list 1 interface Dialer1 overload（NAT转换）
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1（设置静态路由）
ip http server
ip pim bidir-enable
!
!
access-list 1 permit 192.168.1.0 0.0.0.255
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
end
