李克勤一生变国语版:思科2600可不可以PPOE拨号上网？

楼上说的没错，但是你的IOS一定需要有c特性，没有c特性也可以，我测试过，ik9o3s的ios也可以。不过具体是其中的哪个特性支持的pppoe就不得而知了。

我在家里有机架，用来准备CCIE实验的。所以就顺便用我的2610配的pppoe，你可以参考一下我的配置。

Current configuration : 3448 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname C26VPDN
!
logging queue-limit 100
enable secret 5 $1$NcbN$W43qLePAdcJtYW/uFbeLr1
!
username ccie secret 5 $1$UH6z$.HRK55iOjXzxJQBnKYU2k/
clock timezone Beijing 8
aaa new-model
!
!
aaa authentication login xvty local
aaa authentication login nouse none
aaa session-id common
ip subnet-zero
no ip source-route
ip cef
!
!
no ip domain lookup
!
ip inspect one-minute high 1200
ip inspect one-minute low 800
ip inspect tcp max-incomplete host 150 block-time 0
ip inspect name CNC tcp
ip inspect name CNC udp
ip inspect name CNC icmp
ip audit notify log
ip audit po max-events 100
vpdn enable
!
vpdn-group CNC
request-dialin
protocol pppoe
!
!
!
!
!
!
!
!
!
!
!
!
!
no voice hpi capture buffer
no voice hpi capture destination
!
!
mta receive maximum-recipients 0
!
!
!
!
interface Ethernet0/0
ip address 192.168.51.26 255.255.255.0
ip nat inside
full-duplex
pppoe enable
pppoe-client dial-pool-number 1
!
interface Serial1/0
no ip address
shutdown
no fair-queue
!
interface Serial1/1
no ip address
shutdown
!
interface Serial1/2
no ip address
shutdown
!
interface Serial1/3
no ip address
shutdown
!
interface Dialer1
mtu 1492
ip address negotiated
ip access-group CBAC in
ip nat outside
ip inspect CNC out
encapsulation ppp
dialer pool 1
dialer-group 1
ppp pap sent-username sy_xxxxx password 0 xxxxx
!
ip nat inside source list vpdn interface Dialer1 overload
ip nat inside source static tcp 192.168.51.101 32323 interface Dialer1 32323
ip nat inside source static udp 192.168.51.101 32323 interface Dialer1 32323
ip nat inside source static tcp 192.168.51.100 11111 interface Dialer1 11111
ip nat inside source static udp 192.168.51.100 11111 interface Dialer1 11111
ip nat inside source static udp 192.168.51.100 3333 interface Dialer1 3333
ip nat inside source static tcp 192.168.51.100 3333 interface Dialer1 3333
ip nat inside source static tcp 192.168.51.100 23232 interface Dialer1 23232
ip nat inside source static udp 192.168.51.100 23232 interface Dialer1 23232
ip nat inside source static udp 192.168.51.101 55555 interface Dialer1 55555
ip nat inside source static tcp 192.168.51.101 55555 interface Dialer1 55555
no ip http server
no ip http secure-server
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1
!
!
!
ip access-list standard vpdn
permit 192.168.51.0 0.0.0.255
ip access-list standard xvtyacl
permit 192.168.51.0 0.0.0.255
!
ip access-list extended CBAC
permit icmp any any echo-reply
permit icmp any any unreachable
permit icmp any any packet-too-big
permit icmp any any ttl-exceeded
permit icmp any any time-exceeded
permit tcp any any eq 55555
permit udp any any eq 55555
permit udp any any eq 32323
permit tcp any any eq 32323
permit tcp any any eq 3333
permit udp any any eq 3333
permit tcp any any eq 11111
permit udp any any eq 11111
permit tcp any any eq 23232
permit udp any any eq 23232
!
dialer-list 1 protocol ip permit
priority-list 1 protocol ip high tcp 3333
priority-list 1 protocol ip high udp 3333
priority-list 1 default low
!
radius-server authorization permit missing Service-Type
call rsvp-sync
!
!
mgcp profile default
!
dial-peer cor custom
!
!
!
!
!
line con 0
login authentication nouse
line aux 0
line vty 0 4
access-class xvtyacl in
login authentication xvty
!
ntp clock-period 17208481
ntp server 192.43.244.18
!
end

你当然还需要一太ADSL猫,将猫连接电话线,猫网线一端连接路由器的WAN端口,在由路由器的LAN端口连接电脑或交换机.
由于目前PPPOE是普遍使用的拨号协议,所以PPPOE也成了路由器的基本协议,所以你的设备肯定是具备PPPOE拨号功能的