CCNA Archives - Davidbombal

Category: CCNA

Free CCNA Course: Dynamic NAT Pool (Live Lab)

Learn how to configure Dynamic NAT using a pool of public IP addresses on a Cisco IOS router. We remove an existing PAT/overload setup, create a 21-address /24 pool, match...

Free CCNA Course: Configure Static NAT

Learn exactly how to expose a private IIS web server to the internet using Cisco static NAT. We configure ip nat inside source static, inside-local, inside-global, set Gi0/0/0 as the...

This is what you use at home: NAT Overload (PAT) Demonstration

Learn how to configure NAT on Cisco routers in a real lab environment. In this hands-on tutorial, we set up static NAT, dynamic NAT, and Port Address Translation (PAT/overloading) between...

AI Made Him Return To Networking After 6 Years…

// Sponsored SEGMENT // To try everything Brilliant has to offer for free for a full 30 days, visit https://brilliant.org/davidbombal or scan the QR code onscreen – You’ll also get...

Port Security in Practice: Modes, Logs, Counters, and Auto Recovery

Learn Cisco Port Security the practical way. In this live lab, we compare shutdown, protect, and restrict so you can choose the right violation mode. Watch errdisable automatic recovery at...

Finally Understand NAT and PAT, Wireshark shows every translation

NAT and PAT power almost every home and enterprise network. In this video I show you, step by step, how private RFC1918 addresses are translated to public addresses, why IPv4...

NAT saved IPv4, the 3 RFC1918 ranges explained simply

NAT and PAT power almost every home and enterprise network. In this video I show you, step by step, how private RFC1918 addresses are translated to public addresses, why IPv4...

STOP Unauthorized Plugs: 3 Violation Modes EXPLAINED

Learn how to protect your Ethernet network from unauthorized access by configuring port security on a Cisco switch! In this free CCNA course segment, we cover: • Why Ethernet ports...

Run CCNA Labs from GitHub in Seconds

Big thank you to Cisco for sponsoring this video and sponsoring my trip to Cisco Live San Diego. David Bombal catches up with Ralph Schmieder and Justin Guagliata from the...

Free Ethical Hacking and Cybersecurity tuts and course #shorts #ccna #cybersecurity

Big thank you to Cisco for sponsoring my trip to Cisco Live and for sponsoring this video! NetAcad Ethical Hacker: https://www.netacad.com/courses/ethical-hacker?courseLang=en-US Some Cisco U tutorials: https://u.cisco.com/tutorials/enhance-spanning-tree-protocol-security-with-root-guard-5508 https://u.cisco.com/tutorials/network-security-essentials-arp-spoofing-ccna-learners-5734 https://u.cisco.com/tutorials/network-reconnaissance-with-nmap-ccna-learners-5733 #shorts #ccna...

Cisco Certification Updates: What you need to know.

Big thanks to Cisco for sponsoring this video and sponsoring my trip to Cisco Live San Diego. // Ryan Rose’s SOCIALS // Cisco Blogs: https://blogs.cisco.com/author/ryanrose X: https://x.com/RyanRose LinkedIn: / ryanrose3...

What happens when there is no DHCP server?

What happens when there's no DHCP server? How do devices communicate? // CCNA Complete Practical Course // Expect regular updates - the full course will be uploaded on my Tech...