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Network Address Transalation / Static NAT

hai diak ka lae ? Kleur ona hau la update maibe  iha oportunidade ida ne'e hau atu fahe konhesemento oituan konaba NAT/Network Address translation.

Sai ida mak Network Address Translation ka NAT iha Rede Internet ?

atu dehan deit katak ip public nebe ISP provide mai cliente ne'e limitado tebes tamba ne ita tenke aprovieita ip  local Network hodi halo translate tiha ba ip Public neé, hodi configura ba ita nian Servidor ka Access point (iha Article ida né hau esplika halai liu ba Pratíca nian).

atu klaru liu Bele estuda diretamente link iha kraik  ne'e :
 http://www.teorikomputer.com/2016/01/pengertian-dan-fungsi-nat-network.html
http://www.tutorialkomputerlengkap.com/2015/12/pengertian-nat-network-address.html

 
 Oin sa halo configurasaun NAT ?

Mai ita koko halo tuir Dezenho ka Topologia ida tuir mai ne':

 1. Konfigurasaun iha Router Core, 

hostname RTR_CORE

!

enable password 7 0822455D0A16

!

no ip cef

no ipv6 cef

!

!

!

username cisco privilege 15 secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0

!


!

spanning-tree mode pvst

!
!
interface FastEthernet0/0

ip address 10.0.0.1 255.0.0.0

ip nat inside

duplex auto

speed auto

!

interface FastEthernet0/1

no ip address

duplex auto

speed auto

shutdown

!

interface Serial0/0/0

ip address 20.0.0.2 255.0.0.0

ip nat outside

!

interface Vlan1

no ip address

shutdown

!

ip nat inside source static 10.0.0.2 50.0.0.1

ip nat inside source static 10.0.0.4 8.8.8.8

ip nat inside source static 10.0.0.3 4.4.4.4

ip classless

ip route 30.0.0.0 255.0.0.0 20.0.0.1

!

ip flow-export version 9

!


line con 0

password 7 0822455D0A16

!

line aux 0

!

line vty 0 4

password 7 0822455D0A16

login

transport input telnet

!

!

!

end

 ============================================

2. Konfigurasaun iha RTR_cliente 

hostname Rtr_Core

!

enable password 7 0822455D0A16

!

!

no ip cef

no ipv6 cef

!

!

!

username cisco privilege 15 secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0

!

!

!

spanning-tree mode pvst

!

!

!

interface FastEthernet0/0

bandwidth 64

ip address 30.0.0.1 255.0.0.0

duplex auto

speed auto

!

interface FastEthernet0/1

no ip address

duplex auto

speed auto

shutdown

!

interface Serial0/0/0

ip address 20.0.0.1 255.0.0.0

clock rate 2000000

!

interface Vlan1

no ip address

shutdown

!

ip classless

ip route 50.0.0.0 255.0.0.0 20.0.0.2

ip route 8.8.8.8 255.255.255.252 20.0.0.2

ip route 4.4.4.4 255.255.255.252 20.0.0.2

!

ip flow-export version 9

!

!

line con 0

password 7 0822455D0A16

login

!

line aux 0

!

line vty 0 4

password 7 0822455D0A16

login

transport input telnet

!

!

!

end
 =================================================

koko teste ping husi pc clinte ba servidor ka DNS google.tl

ex; 
ping 10.0.0.4   >>Destination host unreachable.                          
 





 ping 8.8.8.8 >>




 





koko loke web browser 
ex. http://www.google.tl ka 8.8.8.8


ita nia konfigurasun suseco ona,

karik iha duvidas ruma bele halo komentario iha okos né;

obrigado.


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