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How can Cisco 2911 configure PPPOE to Internet?

Latest reply: Dec 29, 2018 12:17:49 2442 3 6 0 0

This post refers to the process of how Cisco 2911 can configure PPPOE to Internet. Please see below the commands:

interface FastEthernet0/1  //public interface

pppoe enable 

pppoe-client dial-pool-number 1 

no cdp enable //

R3(config)#vpdn enable

R3(config)#vpdn-group 1


R3(config-vpdn-req-in)#protocol pppoe

interface Dialer1  //create a dialer interface

mtu 1492 

ip address negotiated 

encapsulation ppp 

dialer pool 1 

dialer-group 1 

ppp authentication pap chap callin 

ppp chap hostname ad66548494

ppp chap password 0 123456 

ppp pap sent-username ad66548494 password 0 123456 

R3(config)#interface fastethernet 1/0

R3(config-if)#ip nat inside


R3(config)#interface dialer 1      

R3(config-if)#ip nat outside


R3(config)#access-list 1 permit any

R3(config)#ip nat inside source list 1 interface dialer 1 overload 

R3(config)#ip route dialer 1                 configure the default route

R3(config)#ip dhcp pool local_net

R3(dhcp-config)#network /24


R3(dhcp-config)#import all                          //  导入从上级DHCP获得的IP配置


R3(config)#interface fastethernet 1/0

R3(config-if)#ip address

R3(config-if)#no shutdown


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Created Dec 29, 2018 03:36:36

In the current network, cisco is more KS, so this article takes cisco KS as an example. In order to monopolize the A2A market, Cisco vendors do not support unicast docking with other vendors' GMs. Later, under pressure, they started the RFC draft version, stating that they can be connected to other vendors in versions later than 15.1, but found in the test. In the subsequent IOS version, the private field is added to the A2A structure.
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Created Dec 29, 2018 03:45:08

why share cisco configuration ..... no idea ..
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Created Dec 29, 2018 12:17:49

PPPoE (English: Point-to-Point Protocol Over Ethernet), a point-to-point protocol on ethernet, is a network tunnel protocol encapsulated in the framework of ethernet. Because PPP protocol is integrated in the protocol, authentication, encryption and compression can not be provided by traditional Ethernet are realized.
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