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 Timothy Pintello
Introduces the core networking topologies, compares and contrasts the OSI and TCP/IP models, and introduces common network devices.
1h 48m • COURSE
Networking Foundations: IP Addressing with Timothy Pintello
Learn about IP addressing, including logical vs. physical addressing, IPv4 and IPv6, and resolution techniques such as DHCP and DNS.
2h 35m • 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 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 Mark Jacob
Learn how to troubleshoot network performance and security issues.
54m 14s • 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
This course provides a solid overview of packet analysis by stepping through the basics using Wireshark, a free network protocol analyzer. Learn about the key features of this tool, as well as how it can help you spot 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. Learn about the different menus and toolbars in Wireshark, as well as 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.
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.
Timothy Pintello is a computer science professor at Daytona State College and a former system administrator.
Timothy is an associate professor and assistant chair of networking at the School of Computer Science at Daytona State College. He is also the author of the networking textbook Introduction to Networking with Network+. Prior to becoming a college professor, he worked in the telecommunications industry as first a network support specialist, then an IT analyst, and finally as a systems administrator. In his spare time, he enjoys scuba diving and underwater photography.
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.
Kevin Wallace is 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.
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).
Since 2004, Lisa Bock has been teaching IT, everything from forensics to network security.
Lisa is an associate professor in the Information Technology department at Pennsylvania College of Technology, in Williamsport, PA. Courses she has taught during the past 13 years include: networking, security, biometrics, technical support, protocol vulnerabilities (using Wireshark), CCNA Security, and VoIP and Unified Communications. She holds an MS from University of Maryland University College (UMUC) along with numerous other certifications. She has had training in forensics, networking, steganography, and network security. She is involved with various volunteer activities, has evaluated professional journals, and is an award-winning speaker. Lisa 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.