Billions of number sets are impossible to remember, that's why DNS is critical to internal networks and the Internet. This course will teach you how DNS works from configuration to security. Packets will be analyzed with Wireshark at every step.

In this course, you will gain a greater depth of EIGRP knowledge to help ensure your ability to configure and troubleshoot EIGRP in real environments.

Transferring files within a business is a critical capability that has become a basic operating necessity. This course explores both FTP active and passive modes, plus FTPS, SFTP, TFTP, all of which can operate using IPv4 and IPv6.

Cut through today's hype surrounding fancy troubleshooting tools and achieve brilliance in the basics with this ICMP deep dive. You'll master using ICMP for network administration in both IPv4 and IPv6 environments.

Many engineers struggle with IP multicast. This IGMP and MLD deep dive builds a strong foundation into host-to-router multicast signaling. It includes extensive demonstrations, packet capture deep-dives, and troubleshooting techniques.

IPsec helps us to secure our infrastructure and offer services securely to our organization. This course will teach you how to configure, verify, and analyze IPsec, as well as teach you knowledge to give you a deep understanding of the technologies.

This course will introduce the principles of setting up NAT on your network layer device and of understanding the potential security risks and rewards of using network address translation.

This course is focused on providing you with a greater depth of OSPF knowledge to help ensure your ability to configure and troubleshoot it in real environments.

Multicast is a solution that is as old as networking itself but escapes the understanding of many. This course will teach you the PIM protocol (Protocol Independent Multicast) to a deep level.

QUIC is already the transport protocol for Google, Facebook, YouTube, UBER, and many more. This course will teach you to test, validate, and troubleshoot this rapidly emerging transport protocol.

If you're responsible for managing your network you'll need to know SNMP. This course will teach you the basics of SNMP, how to configure it on common network equipment, and building a monitoring system to assist with troubleshooting.

If you need to connect remotely to your servers and network devices, then SSH and Telnet are tools you can't ignore. Learn how the protocols work, and how to troubleshoot when they don't.