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Your Router: ! vpdn enable no vpdn logging ! vpdn-group pppoe request-dialin !--- we are the PPPoE client requesting to establish a session !--- with the aggregation unit protocol pppoe ! !--- internal Ethernet network ! interface Ethernet0 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 Internet Service Provider (ISP) ! !--- The PPPoE client code ties into a dialer interface upon !--- which a virtual-access interface is cloned. ! interface Dialer1 ip address negotiated ip mtu 1492 !--- Ethernet MTU is 1500 by default -- 1492 + PPPoE headers = 1500 ip nat outside encapsulation ppp dialer pool 1 !--- ties to atm interface ppp authentication chap callin ppp chap hostname
ppp chap password ! !--- The ISP will instruct you regarding the type of authentication to use. !--- To change from PPP CHAP to PPP PAP, replace the following three lines: !--- ppp authentication chap callin !--- ppp chap hostname <hostname> !--- ppp chap password <password> !--- with the following two lines: !--- ppp authentication pap callin !--- ppp pap sent-username <username> password <password> !--- For NAT we are going to overload on the Dialer1 interface !--- and add a default route out since dialer ip address can change ip nat inside source list 1 interface Dialer1 overload ip classless ip route 0.0.0.0 0.0.0.0 dialer1 no ip http server ! access-list 1 permit 10.92.1.0 0.0.0.255 !--- for NAT ! The other end router (ISP's in most cases) *** local ppp user !--- or you could use aaa username password !--- begin with the VPDN commands !--- notice that we are binding the PPPoE here to !--- a virtual-template instead of on the ATM interface !--- You cannot (at this time) use more than one !--- virtual-template (or vpdn group) for PPPoE beginning with the VPDN commands vpdn enable no vpdn logging ! vpdn-group pppoe accept-dialin !--- PPPoE server mode protocol pppoe virtual-template 1 ! ! interface ATM0/0/0 no ip address no atm ilmi-keepalive hold-queue 500 in !--- The binding to the virtual-template !--- interface is configured in the vpdn group ! interface ATM0/0/0.182 point-to-point pvc 1/82 encapsulation aal5snap !--- need the command on the server side protocol pppoe ! ! !--- virtual-template used instead of dialer interface ! interface Virtual-Template1 ip unnumbered Loopback10 ip mtu 1492 peer default ip address pool ippool ppp authentication chap ! ! interface Loopback10 ip address 220.127.116.11 255.255.255.0 ! ip local pool ippool 18.104.22.168 22.214.171.124
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