Encapsulation Explained, AKA Ping doesn't work at layer 3, I promise :)

Network troubleshooting , Mixed Vendor, VLANs, Tagging, STP and beyond!

Why bother with a firewall if you have NAT?

OSPF Router ID's explained

Student Question: Does mixing vendors increase security?

Deep dive on traceroute, Firewallking, TCP traceroute and scanning

NHRP Crash Course

Tweaking OSPF for DMVPN

Understanding Next Hop Self in EIGRP with DMVPN

Fred Howard Park w/ Phantom 2

Understanding Proxy Arp & How not to setup static routes

Understanding AH vs ESP and ISKAKMP vs IPSec in VPN tunnels

Understanding Cisco SSL VPN vs IPSec VPN

Modular Policy Framework on the Cisco ASA

Crash Course On Crashing! Buffer Overflow demonstration

Crash Course on Crashing.mp4

Why gratuitous ARP is not always about ARP :)

Cisco Crypto Map / Transform Set Tutorial

Everquest 2 EQ2 Jingle Bells