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Understanding Access Control Lists: Standard vs. Extended

Explore the differences between Standard and Extended Access Control Lists (ACLs) in networking. Learn their functions, benefits, and how they enhance security and performance. Includes lab exercises to practice configuring ACLs.

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Understanding Access Control Lists: Standard vs. Extended

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Presentation Transcript

  1. Access Control List Justin Arnold, Braxton Coleman, Shane Mayhew

  2. Contents What are they Standard ACLs Extended ACLs Standard ACL lab Extended ACL lab

  3. What are They • An IOS command that filters packets • Functions at layer 3 and 4 of the OSI model • Benefits • Security • Performance

  4. Standard ACLs • Blocks based on IP address • Numbering Range • (1 – 99) • (1300 – 1999)

  5. Extended ACLs • Has expanded capabilities to filters • Protocols • Sources & Destinations addresses • Source & Destination ports • Numbering Range • (100 – 199) • (2000 – 2699)

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