What are Cisco firewalls? A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules. Firewalls have been a first line of defense in network security for over 25 years. They establish a barrier between secured and controlled internal networks that can be trusted and untrusted outside networks, such as the Internet.

What is a Cisco 9300? Is Cisco 9300 Layer 3? When was Cisco 9300 released? What is the difference between Cisco 9200 Series and 9300? Is 9200 a layer 3 switch? Are Cisco 9200 switches Layer 3? Is 2960 a layer 3 switch? Is c9300 a switch or router?

Understanding how a wireless access point improves your network and the role it plays is important. Learn more about the different ways you can set up access points.

Gain real skills with our powerful network simulation and visualization tool, Cisco Packet Tracer. This virtual lab is an interactive way to practice networking, IoT, and cybersecurity skills – no hardware required! See why over a million users around the globe use Packet Tracer as a learning environment for courses, distance learning, professional training, work planning, or just for fun.

In the ever-changing world of cybersecurity, there is a worrying trend emerging. While organizations are feeling more confident, their ability to stay secure has decreased significantly. Cisco's latest report, the 2024 Cybersecurity Readiness Index, highlights this concerning gap and provides important information on how ready different industries are for cybersecurity threats.

In a groundbreaking move, Cisco and Intel have teamed up to lead the development of Wi-Fi 7 technologies, marking a new era of wireless connection.