Static NAT | Cybrary

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Static NAT In this lesson we explore the concepts behind Static NAT. We'll map out the different router connections by functions such as an Router x/ISP Router, to examine how external users would telnet to this router. Upon completion of this lesson you will know how the Static NAT process works to provide public access to the private resources co...

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Time

15 hours 34 minutes

Difficulty

Intermediate

CEU/CPE

20

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Static NAT In this lesson we explore the concepts behind Static NAT. We'll map out the different router connections by functions such as an Router x/ISP Router, to examine how external users would telnet to this router. Upon completion of this lesson you will know how the Static NAT process works to provide public access to the private resources connected to it.

00:04

the last topic of discussion with Napped is your static necked.

00:09

Now let's suppose you have

00:12

a service, a server located on the inside of your network. And in this case, we're gonna pretend PC three is that server that people on the outside or on the Internet need to access for certain needs.

00:28

I have drawn out on the board anthropology I've left out PC 12 and four P C three is connected to switch eight and switch. It is connected

00:36

on

00:37

network 10 to F zero slash 1.10 to Ratter to and Router two is over Outer and Ratter for is your I S P rounder. If I were doing dynamic that

00:50

and let's say, a router for or some user sitting back here on the Internet

00:54

wants to get to the service PC three is providing.

00:58

Let's say it contains a database that people need to access.

01:00

How do people get to PC three

01:04

Now?

01:06

Let's say people are trying to tell it to P C three

01:10

to remotely log in to PC three to access a certain database. If I were doing Dynamic, Nat

01:17

and I were using the Inside Network as 10 10.

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10 0 slash 24 my Outsider Public

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Network was 1 90 10 10 0 slash 24.

01:34

Well, if my public network is a slash 24 network, I have 240.1

01:41

through 0.254 addresses, which is a total of 254 addresses.

01:49

So I can't very well tell people on the outside

01:53

domain or the public domain, too. Hey, if you want to tell that to PC three, I don't really know the address. 10 10 10.3 got translated to buy router to what 1 90 address

02:09

did. 10 10 10 3 Get translated to buy router tube.

02:14

So how about you try 0.1 through dot to 54 1 of them should work?

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That's just not feasible.

02:21

I need to tie the I P address 10 10 10 3 to 1 address so people on the outside domain can tell that

02:30

through 10 10 10 3

02:34

For that, we use static net

02:38

and let's see how static not works

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