Network administrators play a vital role in managing and maintaining an organization's computer network. Begin your career in information technology (IT) as a network administrator, and learn the essential skills you'll need to organize, install, and support a Cisco network.
Master the networking concepts and skills to support a Cisco network.
Networking Foundations: Networking Basics with Kevin Wallace
Get an overview of the foundational topics any networking professional should know, as well as an introduction to emerging technologies.
1h 48m • COURSE
Networking Foundations: IP Addressing with Anthony Sequeira
Learn about the basics of IP addressing in networking, from how IPv4 and IPv6 addresses are formed to how to configure DHCP.
1h 32m • COURSE
Networking Foundations: Network Media (LANs) with Greg Sowell
Learn how to set up a LAN (local area network), WAN (wide area network), or wireless area network in this Foundations of Networking class.
1h 9m • COURSE
Networking Foundations: Network Media (WANs) with Greg Sowell
Discover how to apply your existing IP knowledge to networking. Learn how to set up WANs (wide area networks) with switches, routers, and different routing protocols.
2h 2m • COURSE
Networking Foundations: Protocols and CLI Tools with Greg Sowell
Learn how to troubleshoot network connectivity issues using different protocols and command-line (CLI) tools.
1h 13m • COURSE
Protecting Your Network with Open-Source Software (2015) with Jungwoo Ryoo
Learn how to protect your network for free with open-source tools and these network-security tutorials from expert Jungwoo Ryoo.
1h 49m • COURSE
Learning IP Addressing with Kevin Wallace
Learn how to configure and verify IP addresses and explore static vs. dynamic addresses and public vs. private addressing.
36m 32s • COURSE
Learning Network Troubleshooting with Robert McMillen
Learn how to triage network problems, troubleshoot network and VPN issues, and use common networking tools like Wireshark and PowerShell.
2h 1m • COURSE
Learning Subnetting with Kevin Wallace
Learn the basics of IPv4 addressing and master the skill of IP subnetting.
1h 31m • COURSE
Learning the Packet Delivery Process with Mark Jacob
Explore packet delivery topics like understanding port numbers, establishing a TCP session, and exploring basic IP routing.
1h 29m • COURSE
Learning IPv6 with Mark Jacob
Get to know IPv6, the latest version of Internet Protocol, which routes traffic across the web.
56m 24s • COURSE
Advanced Cisco Routing: RIPv2, EIGRP, and OSPF with Lazaro Diaz
Explore advanced topics and techniques in Cisco routing, from RIPv2 routes for smaller networks, to EIGRP and OSPF protocols for enterprise networks.
2h 43m • COURSE
Wireshark Essential Training with Lisa Bock
Get an overview of packet analysis and using Wireshark, a free network protocol analyzer. Discover its key features and how it can help with latency issues and network attacks.
2h 25m • COURSE
Wireshark: Functionality with Lisa Bock
Enhance your Wireshark workflow by becoming better acquainted with its interface and core features. Discover the different menus and toolbars and how to personalize the interface.
1h 41m • COURSE
Learning Cisco CLI Switch Configuration with Denise Allen-Hoyt
Learn how to configure a Cisco switch to connect and control resources on your network.
1h 2m • COURSE
Learning Cisco CLI Router Configuration with Denise Allen-Hoyt
Learn how to configure a Cisco router to transmit data between local area networks and connect to the Internet.
1h 38m • COURSE
Cisco Networking Foundations with Todd Lammle
Study to pass the Cisco Certified Entry Networking Technician (CCENT) exam, Interconnecting Cisco Networking Devices Part 1 (100-105), with this comprehensive test prep course.
4h 55m • COURSE
You'll learn network administration with these experts.
Kevin Wallace is a double Cisco Certified Internetwork Expert (CCIE No. 7945).
Kevin has earned multiple Cisco expert, professional, and associate-level certifications in the Route/Switch, Collaboration, Security, Design, and Data Center tracks. With Cisco experience dating back to 1989, Kevin has been a network design specialist for the Walt Disney World Resort, an instructor of Cisco courses for Cisco Learning Partners (CLPs), and a network manager for Eastern Kentucky University. Currently, Kevin owns and operates Kevin Wallace Training, LLC, a provider of self-paced training materials that simplify computer networking. Kevin holds a Bachelor of Science degree in electrical engineering from the University of Kentucky, and he lives in central Kentucky.
Anthony Sequeira is a seasoned trainer and author specializing in Microsoft and Cisco technologies.
Anthony formally began his career in the information technology industry in 1994 with IBM in Tampa, Florida. He quickly formed his own computer consultancy, Computer Solutions, and then discovered his true passion—teaching and writing about Microsoft and Cisco technologies.
Anthony joined Mastering Computers in 1996 and lectured to massive audiences around the world about the latest in computer technologies. Mastering Computers became the revolutionary online training company, KnowledgeNet, and Anthony trained there for many years. Currently, he's an edutainer for ITProTV. Learn more at ajsnetworking.com.
Greg Sowell provides networking advice to datacenters, banks, municipalities, ISPs, and even NBA franchises.
Greg has been routing globally for over a decade. He has worked and consulted for datacenter groups, banking institutions, municipalities, VoIP providers, ISPs, WISPs, MSPs, and even NBA franchises. He studied computer science in college, but the builder in Greg led him to networking. He holds certifications from Cisco in security, VoIP, and routing/switching, including CCIE candidate status. Greg runs his own networking/project blog, GregSowell.com, and organizes a regular podcast called TheBrothersWISP, which focuses on the wireless ISP industry. He has also been featured on the cover of the Circuits section of the New York Times and in several other publications, and speaks regularly at networking conferences. A lifelong maker, Greg is obsessed with LEDs and microcontrollers, and enjoys building light suits. A man of many talents, Greg enjoys hacking, and learning anything he can get his hands on.
Jungwoo Ryoo teaches IT, cyber security, and risk analysis at Penn State.
Jungwoo is a professor of information sciences and technology (IST) at the Pennsylvania State University (Altoona College). He is also a graduate and affiliated faculty member of the College of Information Sciences and Technology at Penn State, and a tenured faculty member of the B.S. degree program in security and risk analysis at Penn State Altoona.
Robert McMillen is a networking consultant with 35+ certifications. He consults for the US government.
Robert McMillen is the president and founder of All Tech 1, a Portland-based network consulting company. Robert has over 20 years of experience in network engineering and over 35 technical certifications from companies like Microsoft, Novell, IBM, and Cisco.
Some of his higher profile jobs have been restoring email for the government to prosecute Enron executives, training the network vulnerability assessment team for the U.S. Army, and performing wireless security auditing for the State of Washington.
IT educator Mark Jacob helps students administer TCP/IP networks built with Cisco hardware—and do it well.
Mark is a Cisco specialist and a recipient of the 2012 Cisco Sirius Top Quality Instructor Award. Mark uses his current day-to-day experience as a network administrator to equip students with the real-world knowledge required to administer TCP/IP networks built with Cisco hardware—and do it well.
Mark teaches students straightforward methods to accomplishing Cisco network administrator responsibilities such as selecting routing protocols, setting up IP addresses, and performing subnetting. Students are amazed at how "easy" much-feared tasks such as subnetting can be once they learn Mark's methods, and the proof is in their success passing exams to obtain certifications.
Mark's passion for engineering led him to the IT profession after a career with the US Postal Service. Taking classes on his own time and starting out as an unpaid intern, Mark is now a network administrator with ten years of experience. This drive is clearly a bonus to students in his classes. A volunteer tutor of young students during his off-hours, Mark says, "I enjoy seeing the light go on in somebody as they learn."
Lazaro Diaz is a network engineer and IT instructor with more than 13+ years of teaching and field experience.
Lazaro J. Diaz is a network engineer and IT instructor with more than 13+ years of teaching and field experience. He currently holds the following active certifications: Cisco Certified Network Associate (CCNA), CCNA Security, CCNA Voice, Security+, Network+, A+, Microsoft Certified Technology Specialist (MCTS), Microsoft Certified Professional (MCP), and Microsoft Office Specialist (MOS).
Lisa Bock is an experienced author with a demonstrated history of working in the elearning industry.
Lisa is a security ambassador with a broad range of IT skills and knowledge, including networking, Wireshark, biometrics, and IoT. Lisa is an award-winning speaker, who has presented at several national IT conferences. She holds a master's degree in computer information systems/information assurance from the University of Maryland University College. Lisa was an associate professor in the IT department at Pennsylvania College of Technology (Williamsport, Pennsylvania) from 2003 until her retirement in 2020. She is involved with various volunteer activities, and she and her husband, Mike, enjoy bike riding, watching movies, and traveling.
Denise Allen-Hoyt is a Cisco Certified instructor and IT professor in math and computer information systems.
Denise is a computer information systems professor at Crafton Hills College, is the Academic Senate President, and also serves as the mayor for the City of Yucaipa, CA. She is a Cisco Certified Network Associate and a Cisco Certified Academy Instructor, and has been teaching the CCNA courses at Crafton Hills College for the past 12 years. Prior to teaching at the college level, she taught mathematics and CIS courses for 19 years and in the fall of 1998 launched one of the first Cisco Networking Academies in SoCal at Yucaipa High School. In 2004, she was elected to the Yucaipa City Council and was named mayor in 2012.
Todd Lammle, certified in almost every Cisco category, is an authority on Cisco networking and certification.
Todd's three decades of real-world experience is prevalent in his writing. He is an experienced networking engineer with practical experience working on the largest bounded and unbounded networks in the world at companies such as Xerox, Hughes Aircraft, Texaco, AAA, Cisco, and Toshiba. Todd has published over 60 books, including the best-selling CCNA: Cisco Certified Network Associate Study Guide and Cisco Firepower NGIPS. Todd runs an international training company from Texas, and a large-scale consulting business out of Colorado. You can reach him through his forum and blog at www.lammle.com/ccna.