nat-dhcp

SW2960:

interface FastEthernet0/4 switchport access vlan 30 SW2960#show run

!

Building configuration... interface FastEthernet0/5

switchport access vlan 40 Current configuration : 1140 bytes !

!

interface FastEthernet0/6 version 12.2

!

no service timestamps log datetime msec ………

no service timestamps debug datetime msec interface FastEthernet0/24 no service password-encryption !

!

interface GigabitEthernet1/1 hostname SW2960 !

!

interface GigabitEthernet1/2 interface FastEthernet0/1 !

switchport mode trunk interface Vlan1 !

no ip address interface FastEthernet0/2 shutdown switchport access vlan 10 !

!

line con 0 interface FastEthernet0/3 !

switchport access vlan 20 line vty 0 4 !

login

line vty 5 15 login ! end

SW2960#

SW3560:

SW3560#show run

Building configuration...

Current configuration : 1894 bytes !

version 12.2

no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption !

hostname SW3560 !

ip dhcp excluded-address 192.168.20.1 192.168.20.10

ip dhcp excluded-address 192.168.20.12 192.168.20.20

ip dhcp excluded-address 192.168.30.1 !

ip dhcp pool vlan20

network 192.168.20.0 255.255.255.0 default-router 192.168.20.1 ip dhcp pool vlan30

network 192.168.30.0 255.255.255.0 default-router 192.168.30.1 ip routing !

interface FastEthernet0/1 no switchport

ip address 100.100.100.2 255.255.255.0 duplex auto speed auto !

interface FastEthernet0/2

switchport trunk encapsulation dot1q switchport mode trunk !

interface FastEthernet0/3

switchport access vlan 100 switchport mode access !

interface FastEthernet0/4 !

………

interface FastEthernet0/24 !

interface GigabitEthernet0/1 !

interface GigabitEthernet0/2 !

interface Vlan1 no ip address shutdown !

interface Vlan10

ip address 192.168.10.1 255.255.255.0 !

interface Vlan20

ip address 192.168.20.1 255.255.255.0 !

interface Vlan30

ip address 192.168.30.1 255.255.255.0 !

interface Vlan40

ip address 192.168.40.1 255.255.255.0 !

interface Vlan100

ip address 192.168.100.1 255.255.255.0 !

ip classless

ip route 0.0.0.0 0.0.0.0 100.100.100.1 !

line con 0 line vty 0 4 login ! end

SW3560#

R0:

LanToWan#show run Building configuration...

Current configuration : 785 bytes !

version 12.4

no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption !

hostname LanToWan !

interface FastEthernet0/0

ip address 61.178.69.2 255.255.255.0 ip nat outside duplex auto speed auto !

interface FastEthernet0/1

ip address 100.100.100.1 255.255.255.0 ip nat inside duplex auto speed auto !

interface Vlan1 no ip address shutdown !

ip nat inside source list 1 interface FastEthernet0/0 overload

ip nat inside source static tcp 192.168.100.254 80 61.178.69.2 80 ip classless ip route 192.168.0.0 255.255.0.0 100.100.100.2

ip route 0.0.0.0 0.0.0.0 61.178.69.1 !

access-list 1 permit 192.168.0.0 0.0.255.255 !

no cdp run !

line con 0 line vty 0 4 login ! end

LanToWan#

R1:

R-m#show run

Building configuration...

Current configuration : 595 bytes !

version 12.4

no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption !

hostname R-m !

interface FastEthernet0/0

ip address 61.178.69.1 255.255.255.0 duplex auto speed auto !

interface FastEthernet0/1 ip address 10.0.0.2 255.0.0.0 duplex auto speed auto !

interface Vlan1 no ip address shutdown !

router ospf 1

log-adjacency-changes

network 10.0.0.0 0.255.255.255 area 0 network 61.178.69.0 0.0.0.255 area 0 !

ip classless !

no cdp run !

line con 0 line vty 0 4 login ! end R-m#

R2:

R-s#show run

Building configuration...

Current configuration : 587 bytes !

version 12.4

no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption !

hostname R-s !

interface FastEthernet0/0 ip address 1.1.1.1 255.0.0.0 duplex auto speed auto !

interface FastEthernet0/1 ip address 10.0.0.1 255.0.0.0 duplex auto speed auto !

interface Vlan1 no ip address shutdown !

router ospf 1

log-adjacency-changes

network 1.0.0.0 0.255.255.255 area 0 network 10.0.0.0 0.255.255.255 area 0 !

ip classless !

no cdp run !

line con 0 line vty 0 4 login ! end R-s#