Router reset

Network Virtualization Examples

Network virtualization is a technology that provides a virtual view of infrastructure resources. It allows several virtual networks to run on top of the same physical infrastructure, leading to resource optimization, cost reduction, and scalability. Here are some network virtualization examples:
1. VMware NSX: It is a software-defined network (SDN) that connects virtual servers and provides network virtualization across hypervisors, physical switching, and routing infrastructures. NSX creates virtual networks that act as logical extensions of the physical infrastructure, enabling IT to manage both virtual and physical resources efficiently.
2. Amazon VPC: It is a logical network that allows customers to launch Amazon Web Services (AWS) resources in a virtual network that they define. VPC provides users with complete control over their virtual networking environment using elastic network interfaces (ENIs), subnets, and routing tables.
3. Cisco ACI: It is a data center network solution that provides policy-based automation of application delivery, network policies, and security. This network virtualization solution is powered by software-defined networking (SDN), and its policy engine manages resources dynamically based on the application's needs.
4. Microsoft Hyper-V: It is a hypervisor-based virtualization platform for creating and managing virtualized computing environments. It enables network virtualization through the creation of virtual switches that provide the same network isolation and segmentation capabilities as physical switches.
In summary, network virtualization is an approach to abstracting network resources that enable users to manage them efficiently. The above network virtualization examples are excellent options for organizations that seek to optimize costs, resources, and security.

Ethernet to USB adapter —

Router login web page not working

If you're stressed out about not being able to access your router's login web page, then sit back and take a deep breath. This guide is designed to help you troubleshoot this common problem and get back to browsing the internet with ease.

Step 1: Check Your Connection

The first step in addressing this issue is to check your connection. Ensure that all of your cables are properly connected and that your router is correctly powered on. If everything looks okay, then proceed to the next step.

Step 2: Try a Different Browser

If you're experiencing trouble loading your router's page, we recommend trying a different browser. Sometimes, your primary browser might be the issue. Try using a different browser and see if that does the trick.

Step 3: Clear Your Cache

A corrupted cache can also cause issues with loading router login web pages. Clearing your browser's cache can help to fix this issue. To do this, go to your browser's settings and look for options to clear cache and cookies. Once cleared, restart your browser and try accessing the router login web page again.

Step 4: Restart Your Router

If none of the above steps have resolved the issue, then try restarting your router. This simple step can sometimes fix the problem. Turn off your router for a few seconds, then turn it back on and try again to access the router login web page.

If none of the above steps work, then it might be time to contact your internet service provider. However, with a little bit of luck and troubleshooting, you should be able to get your router login web page working again in no time!

Ethernet crossover cable

What is an Ethernet Crossover Cable?

Ethernet crossover cable, also known as a patch cable, is a network cable used to connect two devices of the same type directly. This type of cable is different from the usual Ethernet cable, which is used to connect a device to a network switch or hub.
The Ethernet crossover cable has two sides - one with the transmit (TX) wire and the other with the receive (RX) wire. With the help of these two wires, the devices can communicate effectively, without the need for any intermediate device.
It is essential to use an Ethernet crossover cable when connecting two devices of the same type, such as a computer to another computer, a switch to another switch, or a router to another router. Without an Ethernet crossover cable, the devices may not be able to communicate with each other, leading to connection issues or latency problems.
Although the crossover cable may seem outdated, they still play a critical role in many networking scenarios, particularly when it comes to testing, troubleshooting, and configuring Ethernet networks. They are also useful in creating small networks in the absence of a dedicated switch or hub.
In conclusion, Ethernet crossover cables remain relevant today, and every network technician or administrator should have a few in the toolbox. Whether you are connecting two computers for file-sharing purposes or setting up a small network, a crossover cable is a reliable option that can help you bypass the need for an expensive switch or hub.

LAN network troubleshooting

When you have a LAN network, you can face problems that may slow down your work or compromise your productivity. Troubleshooting is a way to identify and fix issues that prevent your LAN from functioning correctly. In this guide, we will dive into LAN network troubleshooting techniques to help you get back on track.
Firstly, check hardware devices. If any of the servers, switches or routers aren't working correctly, this may cause problems throughout the LAN. Ensure all devices are connected correctly and haven't been damaged or disconnected.
Secondly, examine your LAN’s configuration files. Incorrect configuration files can also be a prime cause of trouble. Look for errors and ensure your configuration files match your current network setup.
Thirdly, inspect cabling connections. Over time, cables may loosen or become unplugged causing issues in the network. Ensure all cables are firmly connected, and no cable is broken.
Fourthly, use network management software. Network management software allows you to monitor your network for issues and troubleshoot in real-time. When you spot a problem, take the time to research the best solutions.
Lastly, take the time to document procedures and solutions. By documenting all solutions, you can save time in the future by referring back to them. It also means that, should future issues arise, you will have a set of potential solutions ready to go.
In conclusion, LAN network troubleshooting is a necessary skill for any networking professional. With a few key techniques, you can find and fix issues in your network quickly and easily. So, take the time to diagnose your network, control the processes, and invest in knowledgeable personnel.

Wireless speed testing

Wireless speed testing: How to measure your internet's strength and speed

Wireless speed testing is the process of evaluating how fast or slow your internet connection is running. Many factors can affect internet speed, such as distance, congestion, and device capability. However, performing a speed test can help measure the strength of your wireless connection.
Testing your wireless speed can be done very quickly and easily using an internet speed test website. Here are the steps:
1. Choose a reliable website to test your wireless speed, such as Speedtest.net or Fast.com.
2. Close all unnecessary applications or software on your device to avoid any interference during the test.
3. Connect your device directly to the modem, if possible, using an ethernet cable.
4. Access the website and click on the "Go" button, which should start the test.
5. Wait until the test ends and review the results.
Make sure to take note of the upload and download speeds, as well as the ping time or latency. Upload and download speeds indicate how fast your data can be transferred, while ping time represents how long it takes for your device to communicate with a server.
If your wireless speed results do not meet your expectations or internet service provider's promises, you may need to troubleshoot or reach out to your ISP for assistance.
Performing wireless speed testing regularly and tracking the results can help in identifying any issues with your wireless network. By doing so, you can take necessary steps to improve your wireless network strength and enjoy a better internet experience, whether it's for work, school, or entertainment.

Router default password list

Router Default Password List

When setting up a router for the first time, it's essential to change its default login credentials to ensure your network's security. However, not everyone remembers to do this, and some don't even know how to. Hackers have exploited this knowledge gap to get unauthorized access to people's networks.
It's crucial to know the default username and password for routers to avoid potential cyber threats. Here's a list of the most common ones.
Top 10 Router Manufacturers and Their Default Passwords:
1. Netgear: Password is either "password" or "1234."
2. Linksys: Default username is "admin" while the password is either "admin," "password," or "1234."
3. D-Link: Default username is "admin" while the password is either "admin," "password," or "1234."
4. Asus: Default username and password are both "admin."
5. TP-Link: Default username and password are also both "admin."
6. Belkin: Default username is often left blank, while the password is either "password" or "1234."
7. ZyXEL: Default username is "admin" while the password is either "1234," "12345," or "admin."
8. Arris: Default username is "admin" while the password is usually "password."
9. Motorola: The username is "admin," and the password is either "motorola," "password," or left blank.
10. Ubiquiti: The username and password are both "ubnt."
This list isn't exhaustive, and routers from other manufacturers may have different default usernames and passwords. It's essential to consult the manufacturer's manual to confirm the default credentials.
In conclusion, changing your router's default credentials is essential to keeping your network safe from unauthorized access. Always use strong passwords that are not easy to guess and update them regularly for maximum security.