路由器是我们常用到的网络设备，但是我们要怎样去配置它呢？怎样才能实现ADSL上网和PPPOE拨号连接呢？本文给出了详细配置命令。
Implement ADSL and DHCP on Cisco 2600 Series Router
下面的设置是在设置成功的路由器上导出来的, 使用的是以太口实现拨号和NAT.
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname externalrp01
!
boot-start-marker
boot-end-marker
!
!
no network-clock-participate slot 1
no network-clock-participate wic 0
no aaa new-model
ip subnet-zero
ip cef
!
!
ip dhcp excluded-address 192.168.2.1 192.168.2.99
!
ip dhcp pool Pool1
network 192.168.2.0 255.255.255.0
dns-server 202.96.128.166
default-router 192.168.2.1
!
ip name-server 202.96.134.133
ip name-server 202.96.128.166
vpdn enable
!
vpdn-group pppoe
request-dialin
protocol pppoe
!
no ftp-server write-enable
!
!
!
!#p#
interface FastEthernet0/0
ip address 192.168.2.1 255.255.255.0
ip nat inside
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
pppoe enable
pppoe-client dial-pool-number 1
!
interface Dialer1
mtu 1492
ip address negotiated
ip nat outside
encapsulation ppp
no ip mroute-cache
dialer pool 1
dialer-group 1
no cdp enable
ppp authentication pap callin
ppp pap sent-username ***** password 0 ******
!
ip nat inside source list 1 interface Dialer1 overload
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1 permanent
no ip http server
!
access-list 1 permit any
dialer-list 1 protocol ip permit
!
line con 0
line aux 0
line vty 0 4
!
!
!
end
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