cisco 2821配置NAT上网
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NAT实验
PC0:IP :192.168.0.2 /24 网关:192.168.0.1
PC1:IP:192.168.2.2/24 网关:192.168.2. Router 2 F0/0:192.168.0.1/24 S0/0 192.168.1.1/24 Router 3 F0/0:192.168.2.1/24 S0/0 192.168.1.2/24 ROUTER 2配置
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Router
interface FastEthernet0/0
ip address 192.168.0.1 255.255.255.0
ip nat inside
duplex auto
speed auto
!
!
interface Serial0/0/0
ip address 192.168.1.1 255.255.255.0
ip nat outside
!
ip nat pool xu 192.168.1.10 192.168.1.20 netmask 255.255.255.0 ip nat inside source list 2 pool xu overload
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.1.2
!
access-list 2 permit 192.168.0.0 0.0.0.255
line con 0
line vty 0 4
login
end
router 3配置
interface FastEthernet0/0
ip address 192.168.2.1 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0/0
ip address 192.168.1.2 255.255.255.0
clock rate 64000
ip classless
line con 0
line vty 0 4
login
end