what is router in networking

What is a Router in Networking and how it Works?

Routers in Networking are a crucial piece of technology that most folks have in our homes, however, a lot of us do not surely understand them. In reality, most people don’t even realize what a router in networking technically is and the way it is specific from a modem.

You mustn’t be a laptop genius to understand what kind of router you need. Truly information on the fundamentals, such as a router definition and knowing what a router in networking does and will assist you to pick the proper equipment for your home network.

Before moving into the topic of how Routers in networking work, we will see what routers are in networking. In this article, we will also study the types of routers, and their advantages and disadvantages of routers.

What is Router in Networking?


An object that links one or more packet-switched infrastructures or networks is a router. It looks at the data packet’s target Internet Protocol address, determines the most effective route to get it there, and then forwards the data packet in accordance with its findings. Routers are related to the third layer i.e., the network layer within the OSI Model.
The foundation of your home’s internet network is a router. It enables connections to your home Wi-Fi for your laptop, phone, smart TV, as well as other devices.
You may enjoy quicker internet connections, guard your family against online dangers and hackers, and stay away from those annoying Wi-Fi dead zones with the appropriate kind of router.
Now that you are aware of what a router is in networking, let’s go on to discuss how it functions.

How does a router work in networking?

working of router in networking
By sending data packets across devices in a network, a router connects them, to simply describe it. Online or device-to-device transmission of this information is both possible. The router achieves this by assigning a local IP number to each networked device.
By doing this, you can prevent data packets from straying around the network and ending up somewhere they shouldn’t.

Example to Understand Router Working

Recollect a router as a controller of air site visitors and consider data packets as planes flying to numerous airports. Each packet needs to be directed as fast as feasible to its target vacation spot, exactly as each plane has a distinct vacation spot and travels an awesome course. A router assists in guiding statistics packets to their supposed IP addresses, much like a site visitors controller ensures that aircraft accomplish their destinations without taking an incorrect flip or experiencing full-size disruptions in route.

A router uses an inbuilt routing method, which is a list of routes to exceptional community sites, to accurately transmit packets. Before checking the forwarding table to identify the quickest path there, the router first analyses the header of a packet to determine its excursion spot. Finally, the packet and the instruction are forwarded to the next community.
To get a deep understanding of routers working with animations, click on this link

What are the different types of routers?

I know you’ve got the idea of router in networking but a router must first talk with a modem in order to join a LAN to the Internet. For doing this, there are essentially two approaches:

Wireless Router:

An ethernet cable is used to link a wireless router and modem together. By converting data block packets into wireless connections and then wirelessly transmitting those signals using antennae, it propagates data. This gives every device connected to your home network access to the internet.

Wired routers:

An Ethernet connection is used to link a wired router to a gateway, just like a wireless router. It then establishes a LAN, connects the community’s gadgets to the net, and connects to one or more of the community’s devices through extraordinary cables.

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There are several other specialized types of routers that perform particular roles in contrast to wi-fi and wired routers for small LANs.

Core router:

A center router is a sort of extremely potent computer router used in big networks of computers. It belongs to the top rate, speediest, and maximum effective class of routers. Compared to the routers used in a small business LAN, a core router is employed by major enterprises and businesses that move a lot of data packets within their network.

Core routers don’t interact with other networks; they work at the “core” of a network.

Virtual Router:

A virtual router is a piece of software that serves the same purpose as a typical router in terms of hardware. If one fails, it could set up an initial and fallback virtual router using the Virtual Router Redundancy Protocol.

Virtual routers are also very useful in collecting cloud components of programs in a personal subnet after which connecting that subnet to the internet or a VPN.

Edge Router:

As opposed to a side router, which converses with both core routers and external networks, a core router manages all statistics that go with the flow within a huge community.

What are the advantages and disadvantages of routers?

The following are the advantages of routers:


The router’s primary function is to distribute a single network connection among several devices. It offers connections between several network architectures, including Ethernet and token rings, among others. The overall efficiency can be boosted by utilizing this multiple-user connection to the internet.

Dynamic Routing

The router uses route optimization techniques to facilitate the delivery of data. Using dynamic routing techniques, route optimization selects the optimum path accessible throughout the network. It also produces broadcast and interference domains. This can reduce network traffic all around.


Installing a router is unquestionably the first step in protecting a network connection. because connecting directly to the internet via a modem exposes your System to a number of security dangers. Routers can be used as a bridge between two networks to make the environment somewhat secure. Even, while this cannot take the place of a firewall or malware, it is still worthwhile.

Alternate Plan

Routers employ backup pieces in the event that one of the outside system components fails to prevent issues with traffic routing. Businesses use this alternate plan, especially large ones, to control traffic effectively.

Use of NAT

The usage of Network Address Translation by routers. Through the use of a single public IP address and a shared set of UDP ports, NAT devices can communicate with one another. Furthermore, major businesses find it very impossible to establish an internet connection without NAT.

Disadvantages of Router

The disadvantages of routers are the following:


Unlike transmitters and gateways, which only read the top two layers of data, routers read all levels of the data. Data at every layer from the physical to the network is analyzed. In turn, this can cause the connection to lag. Additionally, routers allow numerous computers to share a network, although doing so causes s the router to experience a condition known as “connection wait.” This can make the connection even slower.


In addition to any other networking component, routers are pricey. A hub, a bridge, and security are included in this. Therefore, from a financial standpoint, routers are not always the best choice.


Communications between dynamic routers might increase the network load. Less bandwidth is available for user data as a result.


Additionally, there is a problem with the router’s compatibility, particularly with the 5GHz frequency. You cannot enjoy its advantages unless your System and its ports support 5GHz frequency setups. So, you might want to think about choosing a less expensive router.


Routers are not always dependable. However, a few contemporary devices employ the 2.4GHz band, which is prone to service outages. People who live in flats and apartments typically encounter these kinds of disconnections.


NAT setup and numerous basic adjustments are normal for routers. Additionally, even for the most straightforward connection, a unique IP address should be established. Additional configurations are required as more activities are activated. In general, this complicates the arrangement even more.

Final Words

We now know that a router is a type of hardware network employed within a network or network for transmitting, receiving, and processing internet data packets. Compared to a hub or switch, it offers additional network features. Because the router makes security possible, we can use the firewall to protect the PC from an attacker. It has flash software, which the manufacturer needs to update.

Q. What are the two main router types in networking?

Wi-Fi router: An Ethernet cable is required to connect a wireless router to a modem.
Wired router: Just like a wireless device, a wired router connects to a modem using an Ethernet connection.

Q. Why do you need a router?

The answer to this query is that the router enables the connection of numerous gadgets to the internet and to each other. So, data from your firm won’t be sent to the right place without routers. For instance, if you want to print paper, a router will help you get it to a printer rather than another device or scanner.

Q. What distinguishes a Wi-Fi network from a router?

A router is used to direct the broadband connection to all connected devices. The networking functions of a router and a wireless network access point are combined in Wi-Fi.

Q. What distinguishes a modem from a router?

You can access a wide area network or the internet with a modem. A router, in contrast, enables wireless communication between your devices by connecting them to your local area network (LAN) or Wi-Fi network.

Q. How to choose the best router?

To choose the best router you should have the following things in your mind:
1. First of all, think about your budget before purchasing a router.
2. Verify with your Internet provider to check if your network adapter is compatible. …
3. Ensure that your router can handle the compensated internet speed.
4. Find a more recent communication connection.
5. To extend Wi-Fi throughout your home, utilize extenders

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