How to Build Your Own Mikrotik Wifi

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HOW TO

BUILD
YOUR OWN MIKROTIK WIFI

PLEASE READ THIS SECTION
CAREFULLY BEFORE START
COUTION: Thing You Need To Know
I. Please do it with your own risk.
II. I’m a nubs in the computer skills, so if you need for Technical Support please see links I was
provided in the last page (sources and citation).
III. I’m not professional in Networking System, so I just provided very simple explanation in this
tutorial because my knowledge and experience limitation.
IV. Please remember that this tutorial is not based on my idea. See “source and citation” page for
further information!
V. If you have problem when try this tutorial, you can contact me. I will so glad if we can share and
solve problems together.

UNDERSTAND: My Assumptions about You
I. You have basic knowledge and experienced working with popular operating system, such as:
Windows and Linux Ubuntu.
II. You have basic knowledge about Networking System, such as: IP, DNS and MAC.
III. You have basic knowledge about related hardware, especially Network Hardware, such as: ADSL
Router, Router/Switch/Hub and Access Point

Say thank to Mr Nathan Gusti Ryan
:D



PREPARE!
Sketch the topology
That's why you must have basic knowledge about Network System. There's many variation of network
building depend on the access scale and networking size. Large network may need more node to
connecting each other and you may pay attention with the extra requirements, such as hardware,
access point and privacy.
Hunting for Hardware
There is many hardware type in the market depend on bandwidth, network support (ADSL, Satellite,
3G, LAN, WLAN etc.) and network scale. So you must have perfect plan for your network criteria. Have
suitable hardware may increase efficiencies and reduce the cost.

Because my limitation and I'm only have basic knowledge about Network System, so this tutorial have
limitation on implementation. This tutorial may only suitable for small networking scale, such as private
network, home network and small public network. See pictures below:

Picture 1.1
(http://thinkxfree.wordpress.com)


Picture 1.2
(http://img.docstoccdn.com/thumb/orig/85948446.png)
Both of pictures above have same mechanism, that's must be easy for you to understand. First thing
you must know, in the mikrotik mechanism there's must have RouterOS which control your network
I/O. The only different between them is where RouterOS planted, in the picture 1.1 topology use
standard PC, but in the picture 1.2 topology use RB 750*.
*RouterBoard (RB) is hardware product from mikrotik. If you want easier method, I recommended you
to use RouterBoard.
So, I recommended you must prepared:
 UTP Cable
 Routerboard or PC with dual PCI LAN Card (Realtek / DLink / Intel etc.)
 ADSL Modem
 Router Switch
 Access Point (optional)












NETWORK CONFIGURATION
&
ROUTEROS SETUP
FIRST STEP
 Connect basic peripheral (Modem – RouterBoard / PC Router – Access Point)
 If you use RouterBoard, you can skip this step
 If you use PC Router:
1. Build your PC specification
RouterOS can run low spec PC specification:
▪ Minimal processor : Pentium II 400 MHz or Pentium III
▪ Minimal storage : 1 GB of Hard disk and 64 /128 MB of RAM
▪ Dual port LAN Card : for ADSL Modem and Access Point
2. Download RouterOS from http://www.mikrotik.com/download
▪ In RouterOS category choose PC / x86
3. Burn downloaded RouterOS (.iso file) to CD

SECOND STEP
Before use RouterOS, you must configure ADSL Modem as Bridge

THIRD STEP
 If you use RouterBoard, see ip configuration in the next page *or you can skip step.
 If you use PC as PC Router, Install RouterOS first!
There are many option as you see in the picture above, but don’t confuse, stay calm. RouterOS is a
standalone OS that will be your default OS, its lightweight that only need 64 MB of RAM to run, that’s
why you can use old PC. Follow the instruction, or you can press ‘a’ then press ‘spacebar’ to install
instantly.

After reboot. You will see login prompt to get RouterOS access, if you don’t create the password before
(in user-manager option), default password is empty.
Now you must pay more attention in this step. You have basic knowledge about networking system, so
you understand that each peripheral must have address to talk each other. Interesting point here, you
can create any IP address you want for each peripheral depend on your topology plan.
See picture 1.1
You know that common IP for Speedy ADSL Modem (TP-LINK) is 192.168.1.1, so will be like this:
 Ether1 (mikrotik to modem) : 192.168.1.10
 Ether2 (mikrotik to LAN) : 192.168.88.251
You may not confuse with IP configuration because PPPoe Dial Up can automatically search the Bridge
Modem, if DHCP Server enable. But create your own IP configuration make your work easily. So do this:
Type: /ip address print
If there’s empty, then you must add the IP manually
Type:
ip address add interface=ether1 address=192.168.1.10 netmask=255.255.255.0 network=192.168.1.1
broadcast=192.168.1.255

* You can add ethernet2 IP with same method but easier to do it through WinBox in the next step
FOURTH STEP
Your Mikrotik ready to use, but your work not yet done, you need more configuration to make your
Mikrotik Network work perfect.
First thing, you must download WinBox from http://www.mikrotik.com/download or you can use
Telnet utility in windows. For me, easier to use WinBox because its have small size but powerfull to
control and easy configure your Mikrotik.
In the WinBox, you will find two interface. To make your work easier, change each interface name
whatever you want. In the picture below, I change two interface name with LAN and SPEEDY
Then setting each interface IP address
LAN: 192.168.88.251/24 and SPEEDY: 192.168.10/24

Then setting IP DNS dor SPEEDY interface:
Go to or click IP option
Then create PPPoE Client:
When prompt new dialog, in the General Tab, you can change name and type, but no problem if you
want to use the default setting, then choose which interface to be PPPoe Client
In Dial Out Tab type your Speedy Account
Or you can input your Speed username and password trough WebBox. The WebBox provide
configuration option like WinBox, but WebBox easier to use, recommended if you beginner level in the
Network System.
If username and password are correct, automatically microtic DialUp to ADSL Modem to request
authentication then you will see new IP address (125.164.75.150) in the Address List dialog box.
You need ensure that clients computer can get Internet Access, so you must create NAT Rule which
has Masquarade Action
Go to Ip -> Firewall -> NAT

On General Tab -> Chain = srcnat -> OutInterface = pppoe out1
On Action Tab -> Masquarade

If you look for easier way, you can create NAT trough WebBox
Public Interface = pppoe out1 and check “NAT”
Now your mikrotik provide Internet Access to your ADSL Modem for client computer as pppoe client,
but the client cannot connect to the internet directly because there’s no gateway to your ISP. This is
the important step: You must provide Route the pppoe connection.
Click on the IP Network of PPPoe-out1 interface (125.164.72.1), this is a IP Gateway of your ISP (Telkom
Speedy). Then add new Route which configuration setting: Destination: 0.0.0.0/0 and gateway:
125.164.72.1
Yes it’s done !
Your Mikrotik ready to use !
You can test the internet connection by PING.
 202.134.1.10 is Surabaya Speedy DNS. If your connection configuration correct, your mikrotik
should success ping to that DNS Address.
If PC Client can not get internet connection, the common cause this problem is in the IP configuration,
maybe DHCP connection not enable in PC Client. So do it manually on PC client

IT’S TIME FOR INTERNET PARTY !

SOURCE AND CITATION
HTTP://THINKXFREE.WORDPRESS.COM/2010/04/16/STEP-BY-STEP-INSTALLASI-ROUTER-MIKROTIK-DGN-ADSL-SPEEDY/ (PRIMARY
SOURCE)
HTTP://APPSTRACK.BLOGSPOT.COM/2012/04/INSTALL-MIKROTIK-ROUTEROS-PADA-PC.HTML#.UOZSQSFLMAK (EASY GUIDE ROUTEROS
INSTALATION)
HTTP://WWW.MIKROTIK.COM/DOWNLOAD (DWONLOAD ROUTEROS)
HTTP://WWW.MIKROTIK-SOFTWARE.DE/ (MIKROTIK DOWNLOAD CENTER)
HTTP://WIKI.MIKROTIK.COM/WIKI/SUPPORTED_HARDWARE (LIST SUPPORTED HARDWARE)
HTTP://WWW.MIKROTIK-ROUTEROS.NET/INSTALL.ASPX (MAKE ROUTEROS CD)
HTTP://WWW.MIKROTIK.COM/SOFTWARE.HTML (MANUAL AND TECHNICAL SUPPORT)
HTTP://WWW.ADLINKTECH.COM/PD/WEB/PD_DETAIL.PHP?PID=201&SEQ=0&ID=1&SID=3 (6U COMPACTPCI INTEL® PENTIUM® III
PROCESSOR-LOW POWER BASED SBC)
HTTP://WWW.MIKROTIKINDONESIA.COM/PRODUCT-LIST/16/ROUTERBOARD (LIST ROUTERBOARD AND SPECIFICATION)
HTTP://PITUNGKAS.BLOGSPOT.COM/2012/10/USING-USB-MODEM-INTERNET-CONNECTION-AND.HTML (TIPS AND TRICKS)

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