Difference between revisions of "Router"

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(Created page with "==Definition== ==Security== https://www.f-secure.com/us-en/articles/check-your-router-security ==References== Category: Glossary Category: Netwroking")
 
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==Definition==
 
==Definition==
 +
A [[Router]] is a ''networking device'' that plays a crucial role in connecting different computer networks. Here are the key points about routers:
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 +
1. **Function**: Routers **forward data packets** between various computer networks or subnetworks. They serve two primary purposes:
 +
  - **Traffic Management**: Routers direct data packets to their intended **IP addresses**, ensuring efficient communication between networks.
 +
  - **Shared Internet Access**: They allow multiple devices within a network to use the same **Internet connection**.
 +
 +
2. **Types of Networks**:
 +
  - **LAN (Local Area Network)**: A group of connected devices within a specific geographic area. A single router typically serves a LAN.
 +
  - **WAN (Wide Area Network)**: A large network spread across a vast geographic area. Organizations with multiple locations use LANs that connect to form a WAN. WANs often require multiple routers and switches.
 +
 +
3. **How Routers Work**:
 +
  - Imagine a router as an **air traffic controller** guiding data packets (like aircraft) to their destinations.
 +
  - Routers maintain an **internal routing table**, listing paths to various network destinations.
 +
  - When a packet arrives, the router reads its header, determines the destination IP address, and consults the routing table to find the most efficient path.
 +
  - It then forwards the packet to the next network on its journey.
 +
 +
4. **Router vs. Modem**:
 +
  - **Router**: Manages data flow within and between networks. It doesn't directly connect to the Internet.
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  - **Modem**: Connects networks to the Internet by converting signals from an ISP into a digital format.
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  - Together, they ensure devices can access the Internet and communicate within local networks.
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 +
Remember, routers are like the traffic controllers of the digital world, ensuring data packets reach their destinations smoothly. 🌐🔗
 +
 +
For more information, you can explore resources like [Cloudflare's explanation](https://www.cloudflare.com/learning/network-layer/what-is-a-router/) or [Cisco's insights](https://www.cisco.com/c/en/us/solutions/small-business/resource-center/networking/what-is-a-router.html). Feel free to ask if you have further questions!
 +
  
 
==Security==
 
==Security==
−
https://www.f-secure.com/us-en/articles/check-your-router-security
+
* [https://www.f-secure.com/us-en/articles/check-your-router-security On line check of routers]
  
  
 
==References==
 
==References==
 +
* What is a router? | Router definition | Cloudflare. https://www.cloudflare.com/learning/network-layer/what-is-a-router/.
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* Router (computing) - Wikipedia. https://en.wikipedia.org/wiki/Router_%28computing%29.
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* What is a Router? - Definition and Uses - Cisco. https://www.cisco.com/c/en/us/solutions/small-business/resource-center/networking/what-is-a-router.html.
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* Router Definition & Meaning - Merriam-Webster. https://www.merriam-webster.com/dictionary/router.
 +
* [Cloudflare's explanation](https://www.cloudflare.com/learning/network-layer/what-is-a-router/
 +
* [Cisco's insights](https://www.cisco.com/c/en/us/solutions/small-business/resource-center/networking/what-is-a-router.html)
  
 
[[Category: Glossary]]
 
[[Category: Glossary]]
−
[[Category: Netwroking]]
+
[[Category: Networking]]

Revision as of 17:09, 3 February 2024

Definition

A Router is a networking device that plays a crucial role in connecting different computer networks. Here are the key points about routers:

1. **Function**: Routers **forward data packets** between various computer networks or subnetworks. They serve two primary purposes: 

  - **Traffic Management**: Routers direct data packets to their intended **IP addresses**, ensuring efficient communication between networks.
  - **Shared Internet Access**: They allow multiple devices within a network to use the same **Internet connection**.

2. **Types of Networks**: 

  - **LAN (Local Area Network)**: A group of connected devices within a specific geographic area. A single router typically serves a LAN.
  - **WAN (Wide Area Network)**: A large network spread across a vast geographic area. Organizations with multiple locations use LANs that connect to form a WAN. WANs often require multiple routers and switches.

3. **How Routers Work**: 

  - Imagine a router as an **air traffic controller** guiding data packets (like aircraft) to their destinations.
  - Routers maintain an **internal routing table**, listing paths to various network destinations.
  - When a packet arrives, the router reads its header, determines the destination IP address, and consults the routing table to find the most efficient path.
  - It then forwards the packet to the next network on its journey.

4. **Router vs. Modem**: 

  - **Router**: Manages data flow within and between networks. It doesn't directly connect to the Internet.
  - **Modem**: Connects networks to the Internet by converting signals from an ISP into a digital format.
  - Together, they ensure devices can access the Internet and communicate within local networks.

Remember, routers are like the traffic controllers of the digital world, ensuring data packets reach their destinations smoothly. 🌐🔗

For more information, you can explore resources like [Cloudflare's explanation](https://www.cloudflare.com/learning/network-layer/what-is-a-router/) or [Cisco's insights](https://www.cisco.com/c/en/us/solutions/small-business/resource-center/networking/what-is-a-router.html). Feel free to ask if you have further questions!


Security


References

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