【简 介】 很多公司使用ADSL宽带线路作为备份线路，同时作为内部上网的分流线路。这有两种配置：一种是cisco路由器连接ethernet接口连接ADSL的modem；一种是在cisco路由器上安装ADSL WIC卡，直接连接ADSL电话线。
说明： 很多公司使用ADSL宽带线路作为备份线路，同时作为内部上网的分流线路。这有两种配置：一种是cisco连接ethernet接口连接ADSL的modem；一种是在cisco路由器上安装ADSL WIC卡，直接连接ADSL电话线。 Cisco路由器连接ADSL modem的PPPoE配置：........................................................ 1 Cisco路由器连接ADSL WIC卡之PPPoE配置：........................................................ 3 Cisco路由器连接ADSL modem的PPPoE配置： hostname bjsite ! ip subnet-zero no ip domain-lookup ! vpdn enable no vpdn logging ! vpdn-group 1 request-dialin protocol pppoe ! interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 ip nat inside no ip mroute-cache ! ! ! ! interface Ethernet0/1 no ip address pppoe enable pppoe-client dial-pool-number 1 ! interface Dialer1 ip address negotiated ip nat outside ip mtu 1492 encapsulation ppp no ip mroute-cache dialer pool 1 dialer-group 1 ppp authentication pap ppp pap sent-username dg48907653@163.gd password xxxxxxxx
! ip classless no ip http server ! dialer-list 1 protocol ip permit ip nat inside source list 1 interface Dialer1 overload ip route 0.0.0.0 0.0.0.0 dialer1 access-list 1 permit 192.168.0.0 0.0.0.255 ! line con 0 exec-timeout 0 0 transport input none line vty 0 4 login ! end Cisco连接ADSL WIC卡之PPPoE配置： vpdn-group pppoe request-dialin !--- we are the PPPoE client requesting to establish !--- a session with the aggregation unit (6400 NRP). protocol pppoe ! !--- internal Ethernet network. ! interface FastEthernet0 ip address 10.92.1.182 255.255.255.0 ip nat inside !--- DSL interface. ! interface ATM0 no ip address no atm ilmi-keepalive bundle-enable dsl operating-mode auto hold-queue 224 in !--- All defaults. !--- PPPoE runs on top of AAL5SNAP, but the !--- encap aal5snap command is not used. ! interface ATM0.1 point-to-point pvc 1/1 pppoe-client dial-pool-number 1 !--- pvc 1/1 is an example value that must be changed !--- to match the value used by the ISP. ! !--- The PPPoE client code ties into a dialer interface upon !--- which a virtual-access interface is cloned.
