Acme is a small export comany that has an existing enterprise network that is made up exclusively of routers that are using EIGRP as the IGP. Their network is up and operating properly. As part of their network expansion, Acme has decided to connect to the internet via a broadband cable ISP. Your task is to enable this connection using the information below.
Connection Encapsulation: PPP
Connection Type: PPPoE client
Connection Authentication: None
Connection MTU: 1492 bytes
Address: Dynamically assigned by the ISP
Outbound Interface: E0/0
You will know that the connection has been successfully enabled when you can ping the simulated Internet address of 172.16.1.1
Note: Routing to the ISP: Manually configured default route
CPE# show ip route
….
Gateway of last resort is not set
192.168.1.0/27 is subnetted, 7 subnets
C 192.168.1.0 is directly connected, Ethernet0/1
D 192.168.1.32 [90/307200] via 192.168.1.2, 00:02:16,Ethernet0/1
D 192.168.1.64 [90/307200] via 192.168.1.2, 00:02:17,Ethernet0/1
D 192.168.1.96 [90/307200] via 192.168.1.2, 00:02:17,Ethernet0/1
D 192.168.1.128 [90/307200] via 192.168.1.3, 00:02:17,Ethernet0/1
D 192.168.1.192 [90/307200] via 192.168.1.3, 00:02:17,Ethernet0/1
D 192.168.1.224 [90/307200] via 192.168.1.3, 00:02:17,Ethernet0/1
CPE# show run
….
no service password-encryption
!
hostname CPE
!
boot-start-marker
boot-end-marker
!
no aaa new-model
resource policy
clock timezone PST 0
ip subnet-zero
no ip dhcp use vrf connected
!
interface Ethernet0/0
description link to cable modem
no ip address
shutdown
!
interface Ethernet0/1
description link to corporate nework
ip address 192.168.1.1 255.255.255.224
!
interface Ethernet0/2
no ip address
!
interface Ethernet0/3
no ip address
shutdown
!
router eigrp 1
network 192.168.1.0
auto-summary
!
line con 0
line vty 0 15
end
下面的答案由大笨牛提供:
配置顺序：
cpe(config)#int e0/0
cpe(config-if)#pppoe enable ——打开pppoe
cpe(config-if)#pppoe-client dial-pool-number 1 加入拨号池1
cpe(config-if)#no sh
cpe(config-if)#exit
cpe(config)#vpdn enable 打开vpdn（拨号必须打开）
cpe(config)#vpdn-group 1 配置vpnd组1
cpe(config-vpdn)#request-dialin 配置客户端为请求拨号
cpe(config-vpdn-req-in)#protocol pppoe 配置协议
cpe(config-vpdn-req-in)#exit
cpe(config-vpdn)#exit
cpe(config)#dialer-list 1 protocol ip permit 配置感兴趣数据流，触发拨号
cpe(config)#int dialer 1 配置拨号配置1
cpe(config-if)#encapsulation ppp 封装协议
cpe(config-if)#ip address negotiated 配置ip地址为协商，也就是自动获取。
cpe(config-if)#dialer pool 1 加入到拨号池1
cpe(config-if)#dialer-group 1 引用感兴趣数据流，触发拨号，【这里1和dialer-list 后面的1必须一致】
cpe(config-if)#ip mtu 1492 配置MTU
cpe(config-if)#exit
结果图：
Sh run：【实验使用fa0/0替代E0/0】
Current configuration : 1254 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname cpe
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
ip subnet-zero
!
!
!
ip cef
vpdn enable
!
vpdn-group 1
request-dialin
protocol pppoe
!
!
interface FastEthernet0/0
no ip address
duplex half
pppoe enable
pppoe-client dial-pool-number 1
!
interface Serial1/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
interface Serial2/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial2/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial2/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial2/3
no ip address
shutdown
serial restart-delay 0
!
interface Dialer1
ip address negotiated
ip mtu 1492
encapsulation ppp
dialer pool 1
dialer-group 1
!
ip classless
no ip http server
!
!
dialer-list 1 protocol ip permit
!
!
!!
!
!
gatekeeper
shutdown
!
!
line con 0
stopbits 1
line aux 0
line vty 0 4
!
!
end
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