Free CCNA | Port Security | Day 49 | CCNA 200-301 Complete Course

Jeremy's IT Lab July 13, 2021
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Jeremy's IT Lab

@JeremysITLab

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Learn Cisco networking from scratch. I’m Jeremy, a CCNA/CCNP instructor, and here you’ll find full lessons, labs, and practice questions to help you pass Cisco exams and actually understand how networks work.

Video Description

Free CCNA 200-301 flashcards/Packet Tracer labs for the course: https://jitl.jp/ccna-files 📖 My CCNA Book: Vol 1: https://jitl.jp/book1-yt Vol 2: https://jitl.jp/book2-yt 📚Boson ExSim: https://jitl.jp/ccna-exsim ← the BEST practice exams for CCNA 💻Boson NetSim: https://jitl.jp/ccna-netsim ← 100+ detailed guided labs for CCNA 💯ExSim + NetSim: http://jitl.jp/ccna-kit ← get BOTH for a discount! 🥇CCNA Gold Bootcamp: https://www.flackbox.com/cisco-ccna-course#jm1 ← the course I used to get my CCNA (top rated course on the Internet) Get the course ad-free with bonus quizzes and more on JITL Academy: https://courses.jeremysitlab.com In Day 49 of this free CCNA 200-301 complete course, you will learn about port security. In this FREE and COMPLETE CCNA 200-301 course you will find lecture videos covering all topics in Cisco official exam topics list, end-of-video quizzes to test your knowledge, flashcards to review, and practice labs to get hands-on experience. SUPPORT MY CHANNEL The best way to support my channel is to like, comment, subscribe, and share my videos to help spread the word! If you can spare to leave a tip, here are some options: PayPal: https://paypal.me/jeremysitlabYT BAT (Basic Attention Token) tips in the Brave browser (https://www.jeremysitlab.com/brave-browser) ====================== Patreon: https://www.patreon.com/jeremysitlab ====================== Cryptocurrency Addresses Bitcoin: bc1qxjpza7nx46e8a2rtz6vkcrvxx9mfjnufdrk0jv Ethereum: 0x08B4325b1B99B05d850A3bfCd4A6620D770cfB64 ====================== 0:00 Introduction 0:54 Things we'll cover 1:22 Port Security intro 6:19 Why port security? 7:52 Enabling port security 9:14 'show port-security interface' 11:45 Manually re-enable a disabled interface 12:32 ErrDisable Recovery 15:16 Violation modes 17:12 Violation modes: Restrict 18:22 Violation modes: Protect 19:24 Secure MAC Address aging 22:35 Sticky secure MAC addresses 24:35 MAC address table 25:16 Command review 25:34 Things we covered 26:29 Quiz 1 27:18 Quiz 2 28:00 Quiz 3 28:41 Quiz 4 29:31 Quiz 5 30:23 Boson ExSim #cisco #CCNA

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