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Latest Blogs

Mar 26 , 2025

Cisco switches use XMODEM to recover IOS

For a variety of reasons, the switch may experience problems such as a corrupt or missing IOS (Internetwork Operating System), unusable USB and MGMT ports, and other issues that prevent the device from functioning properly. This article describes in detail the entire process of restoring the IOS on a Cisco Catalyst 2960-X switch using XMODEM to help solve this problem.

Mar 14 , 2025

Nexus 9000 VS Catalyst 9000: The Ultimate Showdown Between Data Center and Enterprise Networking

In today’s rapidly evolving world of network technology, Cisco, a global leader in networking equipment, has introduced two flagship product lines: the Nexus 9000 Series and the Catalyst 9000 Series.

Mar 07 , 2025

Analysis of the Pros and Cons of Purchasing Used Cisco Networking Equipment: The Trade-off Between Performance and Cost

In the decision-making process for purchasing networking equipment, used Cisco networking equipment is attracting the attention of many businesses and individual users due to its significant advantages.

Sep 26 , 2024

What is the difference between a router and a switch?

In the modern networking world, we often use routers and switches for networking, and they play an important role in network circulation in their respective fields. Due to the many similarities in the functions of these two devices, many people are confused about what exactly is a router? What is a switch is more or less confused. What are the differences between them? Today we will reveal them one by one.

Sep 21 , 2024

Creating and Deleting VLANs on Cisco Switches

In modern enterprise networks, VLANs play a very important role in network transmission. Administrators can use VLANs to divide a physical switch into multiple logical switches to simplify network management and improve network performance and security. As network administrators, learning how to create and delete VLANs on Cisco Catalyst switches is a must-have skill.

Sep 10 , 2024

Cisco 3750X Switch vs 3850 Switch, which is better for your business?

When choosing an enterprise switch, network administrators and IT engineers often encounter a situation where they are torn between two models, especially products with similar performance, such as the Cisco 3750X and 3850 series is a typical example. These two switches, as Cisco's classics, have a wide range of applications in the market. So, what is the difference between these two? And how are they related to each other?

Sep 04 , 2024

What is console cable? How to manage the switch easily through console cable?

In modern IT equipment management, the switch is the core of the network, and to manage it in the simplest way during daily use, it is indispensable to support the Console cable. Although many people do not understand this small cable, but it is the network administrator's daily work in the “secret weapon”. Whether you are configuring a device for the first time or troubleshooting a problem, the console cable is an indispensable networking tool.

Aug 29 , 2024

How do I connect a Cisco wireless AP to a wireless controller?

Wireless access points are primarily responsible for providing wireless signal coverage and connectivity, while wireless controllers are responsible for centrally managing and optimizing the performance and security of multiple access points. Used in combination, the two can build an efficient, stable and secure wireless network. How to connect wireless controller with wireless access point

Aug 21 , 2024

What is the life cycle of a Cisco switch? How often are they replaced?

What is the lifespan of a Cisco switch? the lifespan of a Cisco switch is uncertain, as it can be affected by a number of factors including different models and performance, environmental conditions and usage. Generally, the lifespan of a Cisco switch is between 5-10 years, and in good environments, some switches may last up to 15 years or so.

Aug 13 , 2024

Cisco 9200 Switch vs Cisco 9200L Switch Comparison

The Cisco Catalyst 9200 Series switches are part of the Cisco Enterprise Networking product line and are designed for use at the access layer of an enterprise network.The Catalyst 9200 Series consists of two main models, the 9200 and 9200L. While they are similar in many ways, they also have significant differences in performance and features for different network needs.

Aug 10 , 2024

What is a PoE switch? How to use a PoE switch?

A PoE switch, also known as Power over Ethernet (PoE), is an access layer technology. It is a technology that powers and transmits data to wireless access points, VoIP phones and IP cameras over twisted pair Ethernet cables. Its most important feature is that all devices can be powered by sharing the same Ethernet cable, instead of having to use a separate cable for each device, which not only saves costs, but also brings great convenience to administrators.

Aug 02 , 2024

What is a Gigabit switch? What is the difference between a Gigabit switch and Gigabit Ethernet?

A Gigabit Switch is a networking device that provides Gigabit Ethernet connectivity in a computer network. Gigabit switches offer higher bandwidth and faster data transfer speeds than traditional 100-megabit switches, and can transfer up to 1,000 megabits of data per second, which is equivalent to 1 billion bits or 1,000,000,000 bits per second. This makes Gigabit switches an important component in modern networks, especially in environments that require high bandwidth and low latency.

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