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Time: August 8th, 2023

In this article, we will go through a very commonly asked question of what is internet gateway and how it matters in a typical network environment. 

What is Internet Gateway?

An internet gateway (also called an Internet service provider or ISP) is a device that allows you to connect your devices to the Internet. To do so, it connects to your home network and uses your Wi-Fi router or Ethernet cable to exchange data with other networks. Gateways are usually used by people who live in apartments or condos where they share internet access with other residents through one central provider. 

So, what is internet gateway and its purpose in layman's words? They allow network traffic to enter a private network or leave it. In some cases, the customer may be able to configure their internet gateway using hardware provided by their service provider. If not, they must lease one from their ISP and install it at their premises. 

The Internet Gateway (IG) is typically located at customer premises and can be accessed via a broadband connection using a DSL line or cable modem. Gs are typically used in conjunction with another type of firewall known as a perimeter firewall which sits outside your internal network and prevents external traffic from reaching your internal resources unless specifically allowed by policy settings configured within these devices. The service provider's equipment is called an "upstream" device and is typically located at their point of interconnect (PoI). 

The Purpose of an Internet Gateway

A gateway helps connect your devices to the Internet. It's like a router, but it also contains a modem that allows you to access the Internet. You can setup a gateway if:

  • You want to share an Internet connection with multiple devices (like laptops and smartphones) in one location.
  • You want to use Wi-Fi instead of Ethernet cable for connecting devices.

An Internet Gateway (IGW) allows an organization to extend its network across multiple locations by connecting them. The IGW provides connectivity between different networks, such as corporate LANs and WANs (wide area networks). It can also be used to connect remote sites or campuses through either a leased line or broadband service provider connection.

An Internet gateway is a device that provides internet access for an entire area, usually a campus or building. It's used to connect computers and devices to the internet via a wired or wireless connection. The two types of firewalls available in the market are commercial and open source.

Differences Between a Router, Modem, and Gateway

A modem converts digital signals into analog signals so they can travel over phone lines, coaxial cables (like cable TV), or fiber optic cables (like FIOS). It connects to your internet service provider (ISP) and provides an Ethernet port for every device in your home that needs access to the internet. modems are usually included with new internet subscriptions at no extra cost--but if yours is an older model or not compatible with your ISP's network standards, you may need to purchase one separately. Modems don't offer any other features besides connecting devices to the web; they're designed specifically for this purpose and aren't meant for anything else (such as gaming or streaming video).

A router is an electronic device that sends and receives data traffic between two or more networks using packet-switching techniques to make sure each data packet reaches its intended destination via the best available route on the network. While the Gateway connects your computer to the internet. It allows you to send and receive data, such as emails, files, or web pages.

There are many reasons why you should upgrade your internet gateway. Some of the most important ones are Speed, Security, additional features, and a reliable network. Internet gateway allows network traffic to enter a private network or leave it. An Internet gateway can be located at the customer premises, where it may be accessed via a broadband connection using a modem or DSL line. Internet gateways often provide firewall functionality as well, ensuring that only authorized users have access to the internal network. Looking for a reliable upgrade? Check out the RG-EG3000UE/XE Next-Generation Integrated Gateway Series from Ruijie Networks which is best for large-scale network scenarios. It features some serious security features and integrates Ruijie Cloud.


We conclude our topic on the query of what is internet gateway by stating that it is a device that allows network traffic to enter or leave a private network. It can be accessed anywhere in the world over any type of connection, making it useful for remote access applications like VPNs and remote file storage. We also recommend checking out the latest and greatest all-in-one solution from Ruijie Networks, the RG-EG2100-P V2 Next-generation Unified Security Gateway which has a lot under its sleeves.

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