CCNA 200-301 | Chapter 5 Security Fundamentals | Lab 049 How to Configure Extended Access List ACL
In this hands-on CCNA lab, we’ll explore Extended Access Control Lists (ACLs) on Cisco devices. We’ll break down how Extended ACLs work, how they differ from Standard ACLs, and their real-world applications for securing network traffic.
This lab aligns with Exam Blueprint Objective 5.6, focusing on filtering traffic based on source/destination IPs, protocols, and ports to enhance network security.
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🔑 Lab Breakdown:
✔️ Understanding Extended ACLs – How they provide granular traffic filtering.
✔️ Lab Topology Overview – Router-on-a-stick setup with VLAN-based departments.
✔️ Step-by-Step Configuration – Implementing numbered and named Extended ACLs.
✔️ Verification – Using key show commands to validate ACL functionality.
🌍 Real-World Use Cases:
Restricting access between different VLANs and subnets.
Allowing or blocking specific protocols and services for example HTTP, FTP and ICMP.
🌟 What You’ll Gain by the End of This Video:
Practical ACL Configuration Skills – Master creating and applying Extended ACLs.
Enhanced Network Security Knowledge – Learn how ACLs improve network protection.
Exam-Ready Preparation – Strengthen your understanding of Exam Blueprint Objective 5.6 and gain confidence for the CCNA exam.
By the end of this lab, you’ll be able to configure, apply, and verify Extended ACLs to control network access and enforce security policies effectively! 🚀
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Lab Tasks, Topology, Lab Solution and Packet Tracer (Pre/Post) Labs can be found in the link below:
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📢 Related Labs:
Cisco CCNA 200-301 Labs Playlist:
• Cisco CCNA Labs
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📌 Timestamps:
00:05 – Introduction
00:55 - What is Extended Access Control List and how it works
03:00 - Lab Topology - Walk through
04:10 - Lab Tasks - Walk through
05:20 - Lab Solution - Walk through
07:05 - How to permit ICMP traffic to a particular network using extended access list
11:50 - How to permit HTTP traffic to a particular network using extended access list
14:30 - How to permit FTP traffic to a particular network using extended access list
20:10 - How to block traffic between VLANs – Inter-VLAN Routing
24:55 - Conclusion
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