Friday, June 17, 2011

How to setup PPPoE, Nat, DHCP server on Cisco Router 1841

Set up PPPoE, DHCP server, NAT in router cisco.
Figure:

Configuration file:

-------------------------------------------------------------------------------------------------
Current configuration : 1489 bytes
!
version 15.0
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
ip source-route
!
!
ip cef
!
!#########Create DHCP Server###########
ip dhcp pool InternalIP
   network 192.168.1.0 255.255.255.0
   dns-server 203.189.128.2 203.189.128.1
   default-router 192.168.1.1
!######################################
!        
!        
multilink bundle-name authenticated
!        
!        
!        
license udi pid CISCO2821 sn FGL151311SM
username cisco password 0 cisco
!        
!        
!        
!        
!        
!
!##############Enable PPPoE client on GigabitEthernet0/0##########        
interface GigabitEthernet0/0
 no ip address
 ip tcp adjust-mss 1452
 duplex auto
 speed auto
 pppoe enable group global
 pppoe-client dial-pool-number 1
 no cdp enable
!##################################################################
!        
interface GigabitEthernet0/1
 ip address 192.168.1.1 255.255.255.0
 ip nat inside
 ip nat enable
 ip virtual-reassembly
 ip tcp adjust-mss 1452
 duplex auto
 speed auto
!  
!###########setup PPPoE dialer 0 interface#################     
interface Dialer0
 description Connect to ONLINE
 ip address negotiated
 ip mtu 1454
 ip nat outside
 ip nat enable
 ip virtual-reassembly
 encapsulation ppp
 ip tcp adjust-mss 1452
 dialer pool 1
 dialer-group 1
 ppp authentication pap callin
 ppp pap sent-username Your_Username password 0 Your_Password
 no cdp enable
!###########################################################
!        
ip forward-protocol nd
!        
!        
no ip http server

###########Setup NAT########################
ip nat inside source list 99 interface Dialer0 overload
ip route 0.0.0.0 0.0.0.0 Dialer0
!        
access-list 99 permit 192.168.1.0 0.0.0.255

######################################
!        
!        
control-plane
!        
!        
line con 0
 login local
line aux 0
!##########Enable Telnet Access#########################
line vty 0 4
 privilege level 15
 password onlinecisco
 login
!#######################################################   
!        
scheduler allocate 20000 1000
end 

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