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Concise explanations of key technical topics found on Cisco's® CCNA™, CCNP™, and CCIE™ exams
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Author: Galina Pildush

Focus: Remote Access & CCIE R&S;

Issue Date: Aug 1, 2023

Lab Scenarios Abstract
Lab Scenarios
25 Question Study Quiz

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Virtual private networks (VPNs) are a mystery partly because the meaning of the term keeps changing. Thus this Tutorial starts by defining VPNs and providing an overview. The primary concentration is on provider-provisioned VPNs (PPVPNs), in which Internet service provider (ISP) equipment is included in VPN creation and management. The specific focus of this Tutorial is on Layer 3 VPN (L3VPN) technologies and implementations.

For a discussion of other types of VPNs, see also "The Other VPNs: It's Not All MPLS" Study Guide by Annlee Hines.

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