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Helpful
2
Replies

Cisco 2811 on Centurylink

benherman77
Level 1
Level 1

So I'm just starting out with Cisco and my boss gave me a 2811 to practice on.  I figured I would replace my Centurylink router with it.  I was able to find information online and put together the config listed below.  I can ping out to Google, my WAP that is attached to Fa0/1 is pushing out DHCP to clients, but I can't access the internet.  I'm sure my NAT statements are messed up, and that I have extra "junk" in my config that is not needed.  I would appreciate feedback and a reason for changes (so I can learn, not just make it work).  Thanks!!

 

Router#show running-config
Building configuration...

Current configuration : 1765 bytes
!
! Last configuration change at 06:49:40 UTC Thu Sep 21 2017
!
version 15.1
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
memory-size iomem 25
!
dot11 syslog
ip source-route
!
!
ip cef
!
ip dhcp excluded-address 192.168.1.1
!
ip dhcp pool Home-Network
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
dns-server 8.8.8.8
domain-name HermanNetwork
lease infinite
!
!
multilink bundle-name authenticated
!
vpdn enable
!
!
crypto pki token default removal timeout 0
!
!
!
!
license udi pid CISCO2811 sn xxxxxxxxxxx
!
!
!
!
!
!
interface FastEthernet0/0
description WAN Interface
no ip address
duplex auto
speed auto
no cdp enable
!
interface FastEthernet0/0.1
encapsulation dot1Q 201
pppoe enable
pppoe-client dial-pool-number 1
!
interface FastEthernet0/1
description LAN Interface
ip address 192.168.1.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
duplex auto
speed auto
no cdp enable
!
interface Dialer1
description WAN Dialer
ip address negotiated
ip mtu 1492
ip nat outside
ip virtual-reassembly in
encapsulation ppp
ip tcp adjust-mss 1452
dialer pool 1
dialer-group 1
ppp chap hostname XXXXXXXXXX@qwest.net
ppp chap password 0 XXXXXXXX
ppp ipcp dns request accept
ppp ipcp address accept
no cdp enable
!
ip forward-protocol nd
!
no ip http server
no ip http secure-server
!
ip nat inside source list 10 interface FastEthernet0/0 overload
ip route 0.0.0.0 0.0.0.0 Dialer1
!
access-list 10 permit 192.168.1.0 0.0.0.255
!
!
control-plane
!
!
!
line con 0
line aux 0
line 1/0 1/31
line vty 0 4
login
transport input all
!
scheduler allocate 20000 1000
end

Router#

1 Accepted Solution

Accepted Solutions

Hello,

config looks good, the only thing you have to change is:

ip nat inside source list 10 interface FastEthernet0/0 overload

to

ip nat inside source list 10 interface Dialer1 overload

View solution in original post

2 Replies 2

Hello,

config looks good, the only thing you have to change is:

ip nat inside source list 10 interface FastEthernet0/0 overload

to

ip nat inside source list 10 interface Dialer1 overload

Georg,

 

Thank you...passing traffic now.  So int Dialer1 is the real connection to the ONT at Centurylink.  Is everything done through it?

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