設備 : CISCO 2800
線路 : 中華電信光世代PPPoE
Config :
vpdn enable
!
interface FastEthernet1/0
description primary link ISP1
no ip address
pppoe enable group global
pppoe-client dial-pool-number 1
!
interface Dialer1
ip address negotiated
ip mtu 1492
ip nat outside
ip virtual-reassembly
encapsulation ppp
no ip mroute-cache
dialer pool 1
dialer-group 1
ppp pap sent-username 73073416@hinet.net password 0 745122
!
ip route 0.0.0.0 0.0.0.0 Dialer1
!
no ip http secure-server
ip nat inside source route-map ISP1_NAT interface Dialer1 overload
要看撥通後拿到什麼IP , 要下指令 : sh ip int brief
以下以CISCO 28 為例 :
2800-Router#sh ip int brief
Interface IP-Address OK? Method Status Prot ocol
GigabitEthernet0/0 unassigned YES NVRAM up up
GigabitEthernet0/0.735 192.168.235.1 YES NVRAM up up
GigabitEthernet0/0.900 172.16.200.1 YES NVRAM up up
GigabitEthernet0/0.901 172.16.101.1 YES NVRAM up up
GigabitEthernet0/0.902 172.17.0.1 YES NVRAM up up
GigabitEthernet0/0.903 172.16.103.1 YES NVRAM up up
GigabitEthernet0/0.904 172.16.104.1 YES NVRAM up up
GigabitEthernet0/0.905 172.16.105.1 YES NVRAM up up
GigabitEthernet0/1 unassigned YES NVRAM up up
FastEthernet1/0 unassigned YES NVRAM up down
FastEthernet1/1 unassigned YES unset up down
FastEthernet1/2 192.168.1.1 YES NVRAM up down
FastEthernet1/3 unassigned YES unset up down
FastEthernet1/4 unassigned YES unset up down
FastEthernet1/5 unassigned YES unset up down
FastEthernet1/6 unassigned YES unset up down
FastEthernet1/7 unassigned YES unset up down
FastEthernet1/8 unassigned YES unset up down
FastEthernet1/9 unassigned YES unset up down
FastEthernet1/10 unassigned YES unset up down
FastEthernet1/11 unassigned YES unset up down
FastEthernet1/12 unassigned YES unset up down
FastEthernet1/13 unassigned YES NVRAM up down
FastEthernet1/14 unassigned YES unset up down
FastEthernet1/15 unassigned YES unset up down
Vlan1 unassigned YES NVRAM up down
Vlan618 unassigned YES NVRAM up down
Vlan902 172.16.131.1 YES NVRAM up down
Vlan903 unassigned YES NVRAM up down
NVI0 unassigned NO unset up up
Virtual-Access1 unassigned YES unset up up
Virtual-Access2 unassigned YES unset up up
Dialer1 118.166.131.169 YES IPCP up up
Dialer2 unassigned YES NVRAM administratively down down
如上所示 : Dialer1 即是經由撥接所取得的IP