Cisco 871 Ethernet Router
Goal:
*To get PAT working by overloading the WAN interface: fa4.
Environment:
*fa4 is a dhcp client, and is receiving a WAN IP address
*DHCP Service is configured on VLAN1
Problem:
*Ping requests from clients on VLAN1 to WAN addresses are not successful
*Ping requests initiated from within IOS are successful
IOS config:
version 12.3
service config
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
enable secret 5 *********
enable password *********
!
no aaa new-model
ip subnet-zero
no ip routing
no ip cef
!
!
!
ip dhcp pool VLAN1
network 10.10.10.0 255.255.255.0
domain-name domain.local
dns-server 68.87.76.178
default-router 10.10.10.1
lease 0 2
!
!
no ip domain lookup
ip ips po max-events 100
no ftp-server write-enable
!
interface FastEthernet0
no ip address
no cdp enable
!
interface FastEthernet1
no ip address
no cdp enable
!
interface FastEthernet2
no ip address
no cdp enable
!
interface FastEthernet3
no ip address
no cdp enable
!
interface FastEthernet4
bandwidth 2048
no ip dhcp client request tftp-server-address
ip dhcp client lease 0 1 0
ip dhcp client update dns
ip address dhcp
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
ip flow egress
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
no cdp enable
!
interface Vlan1
ip address 10.10.10.1 255.255.255.0
no ip redirects
no ip unreachables
no ip proxy-arp
ip nat inside
ip virtual-reassembly
no ip route-cache
!
ip classless
!
!
no ip http server
ip http secure-server
ip nat inside source list 1 interface FastEthernet4 overload
!
access-list 1 permit 10.10.10.0 0.0.0.255
!
!
control-plane
!
!
line con 0
exec-timeout 0 0
no modem enable
transport preferred all
transport output all
line aux 0
transport preferred all
transport output all
line vty 0 4
password
login
transport preferred all
transport input all
transport output all
!
scheduler max-task-time 5000
