Basic Concepts of MikroTik and MikroTik hAP Lite RB941-2nD

 

Basic Concepts of MikroTik and MikroTik hAP Lite RB941-2nD

Figure 434 MikroTik hAP Lite RB941-2nD

I. Basic Concepts of MikroTik

Conceptually, MikroTik is a software-based router system (RouterOS) that runs on routerboard hardware . Its primary function is to manage network data traffic .

Basic Working Principles

MikroTik router workflow in simple terms:

 

The router will:

1. Receiving data packets
2. Checking the destination address
3. Setting up routing paths
4. Securing the network
5. Distributing connections

II. MikroTik hAP lite (RB941-2nD) Specifications

The device above is  a MikroTik hAP lite with the code RB941-2nD . This device is  a small router (home access point)  typically used for:

• Small network router
• WiFi Access Point
• DHCP Server
• Firewall
• NAT internet sharing

This device runs  RouterOS , MikroTik's proprietary network operating system.

Here are the main specifications of the device in the image:

Component	Specific 4 kasi
Model	RB941-2nD
Product name	hAP lite
CPU	QCA9533 650 MHz
RAM	32 MB
Storage	16 MB Flash
LAN port	4 10/100 Ethernet Ports
Wireless	2.4 GHz 802.11 b/g/n
Antenna	Built-in
Operating system	RouterOS
Power	Micro USB 5V

This device is suitable for:

• School network laboratory
• Small hotspot
• Home router
• Mikrotik Practical

 

III. Function of MikroTik hAP lite Connector/Port

On this MikroTik there are several important connectors .

3.1. Ethernet Ports (Ether1 – Ether4)

Total of 4 Ethernet ports with functions:

Port	Function
Ether1	Usually as WAN (Internet)
Ether2	LAN to computer / switch
Ether3	LAN to computer / switch
Ether4	LAN to computer / switch

Explanation

Ether1 (WAN)

Used for connection to:

• Modem
• ISP
• Main router

 

Ether2 – Ether4 (LAN)

Used for:

• PC
• Laptop
• Switch
• Additional Access Point

All ports use 10/100 Mbps speed .

3.2. Wireless (Internal WiFi)

This router has an internal 2.4 GHz Access Point .

Function:

• Provides WiFi network
• Connect:

1. Laptop
2. Smartphone
3. Tablet
4. IoT devices

WiFi Standards:

802.11 b
802.11 g
802.11 n

Frequency: 2.4 GHz

 

3.3. Power Port (Micro USB)

This device uses micro USB as a power source .

Specification:

• Voltage: 5V
• Current: about 0.7A

Usually use:

• Cell Phone Charger
• Power adapter
• Power bank
• computer USB

This makes the device very energy efficient .

 

3.4. Reset Button

Usually there is a small reset hole .

Function:

Restore configuration to factory default

Used when:

• Forgot the password
• Router error
• Reconfiguration

General reset method:

• Press the reset button
• Connect the power
• Hold for ±10 seconds

 

IV. Main Functions of MikroTik in Networks

MikroTik is usually used for:

4.1. Routing

Connecting two different networks.

Example:

Internet ↔ Router MikroTik ↔ Jaringan LAN

 

4.2. NAT (Internet Sharing)

One internet IP can be used by many computers.

 

4.3. DHCP Server

MikroTik can automatically share IP to clients.

Example:

192.168.10.2
192.168.10.3
192.168.10.4

4.4. Firewall

Securing the network from:

• Hacker
• Port scanning
• Network attack

 

4.5. Hotspot Server

Widely used for:

• school WiFi
• Wi-Fi cafe
• campus WiFi

With user login page .

V. Example of Simple Topology

Notes for learning at SMK TJKT

This router is very suitable for practicals:

• DHCP Server Configuration

• Hotspot Configuration

• Firewall Configuration

• Bridge Configuration

• Access Point Configuration