Uploaded August 2026 | Updated September 2026, 3 days ago
Cisco port security and 802.1X explained for the CCNA exam — how to configure port security, what each violation action actually does, and how port-based authentication works, all demonstrated on a live Cisco switch.
Covered in this video:
- Configuring port security and setting maximum MAC addresses
- Violation actions: protect, restrict, and shutdown
- Port-based authentication (802.1X) and how it works
- 802.1X port states
- Live demonstrations throughout on real Cisco equipment
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CHAPTERS
00:00 Introduction
00:29 Demonstration on a live Cisco switch
05:10 Violation actions explained
06:20 Live demonstration
07:32 Port-based authentication (802.1X)
08:29 Live demonstration
10:39 802.1X port states
11:31 Live demo
12:10 Lesson wrap-up
#cisco #ccna #portsecurity #802dot1x #networking
Cisco port security and 802.1X explained for the CCNA exam — how to configure port security, what each violation action actually does, and how port-based authentication works, all demonstrated on a live Cisco switch.
Covered in this video:
- Configuring port security and setting maximum MAC addresses
- Violation actions: protect, restrict, and shutdown
- Port-based authentication (802.1X) and how it works
- 802.1X port states
- Live demonstrations throughout on real Cisco equipment
CCNA HANDS-ON LABS
Over 100 CCNA labs on real equipment at 101 Labs. Certification courses with labs, practice exams, and PBQs:
101labs.net
FULL CISCO COURSES
CCNA, CCNP, and more at How to Network. Live Cisco racks for all members to use 24/7:
howtonetwork.com
101 Labs - Cisco CCNA on Amazon
amzn.to/32Jj7q6
Free CCNA workbook - howtonetwork.com/free-ccna-study-guide-ccna-book
CHAPTERS
00:00 Introduction
00:29 Demonstration on a live Cisco switch
05:10 Violation actions explained
06:20 Live demonstration
07:32 Port-based authentication (802.1X)
08:29 Live demonstration
10:39 802.1X port states
11:31 Live demo
12:10 Lesson wrap-up
#cisco #ccna #portsecurity #802dot1x #networking
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MODULE 1 - TCP/IP Operations and Protocols
00:00 - The TCP Model
036:25 - TCP and IP, UDP, ARP, RARP, ICMP, IGMP, Packet Delivery Process, Binary Math
1:30:45 - NFS, SSH, SCP, Telnet, SMB, LDAP
MODULE 2 - IP Addressing and Data Delivery
1:47:12 - IP Addressing and Subnetting
2:17:39 - IPv4 Addressing Scheme, Private IP Addressing, Default Gateways, VLSM, CIDR
2:48:10 - IPv6 Addressing, Data Delivery, Flow Control, Error Detection
3:26:53 - IPv6 Address Types, NDP, EUI-64
3:54:30 - Assigning IP Addresses, DHCP
MODULE 3 - TCP Tools and Commands
4:11:12 - Ping, Tracert, Protocol Analyzer, Port Scanner, NS Lookup, ARP, Route
MODULE 4 - TCP Security Protocols
4:29:14 - VPN, RADIUS, TACACS+
4:38:35 - AAA
4:47:41 - IPSec")
