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Download link for Practical of Dynamic_NAT_Configuration via Static:
IP Configuration on R-1:
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Router>enable
Router#conf terminal
Router(config)#hostname R-1
R-1(config)#interface serial 1/0
R-1(config-if)#ip address 121.10.10.10 255.0.0.0
R-1(config-if)#clock rate 72000
R-1(config-if)#no shu
R-1(config-if)#exit
R-1(config)#interface fastEthernet 0/0
R-1(config-if)#ip address 10.0.0.1 255.0.0.0
R-1(config-if)#no shu
R-1(config-if)#exit
RIPv1 Routing Configuration on R-1:-
------------------------------------
R-1(config)#router rip
R-1(config-router)#network 121.10.10.0
R-1(config-router)#network 10.0.0.0
IP Configuration on R-2:-
--------------------------
Router(config)#hostname R-2
R-2(config)#interface serial 1/0
R-2(config-if)#ip address 121.10.10.11 255.0.0.0
R-2(config-if)#no sh
R-2(config-if)#exit
R-2(config)#interface serial 1/1
R-2(config-if)#ip address 5.0.0.1 255.0.0.0
R-2(config-if)#clock rate 72000
R-2(config-if)#no shutdown
R-2(config-if)#exit
RIP Configuration on R-2:-
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R-2(config)#router rip
R-2(config-router)#network 5.0.0.0
R-2(config-router)#network 121.10.10.0
IP Configuration on R-3:-
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Router(config)#hostname R-3
R-3(config)#interface serial 1/0
R-3(config-if)#ip address 5.0.0.2 255.0.0.0
R-3(config-if)#no shutdown
R-3(config)#interface fastEthernet 0/0
R-3(config-if)#ip add
R-3(config-if)#ip address 50.0.0.1 255.0.0.0.
R-3(config-if)#exit
RIP Configuration on R-3:-
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R-3(config)#router rip
R-3(config-router)#network 50.0.0.0
R-3(config-router)#network 5.0.0.0
Dynamic_NAT Configuration on R-1:-
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R-1(config)#access-list 1 permit 10.0.0.0 0.255.255.255
R-1(config)#ip nat pool abhishek 121.10.10.15 121.10.10.20 netmask 255.0.0.0
R-1(config)#ip nat inside source list 1 pool abhishek
R-1(config)#interface fastEthernet 0/0
R-1(config-if)#ip nat inside
R-1(config)#interface serial 1/0
R-1(config-if)#ip nat outside
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