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OSPF & IS-IS BGP MPLS & Traffic Engineering Layer 2 & Layer 3 VPNs Layer 2 Technologies & High Availability Class of Service, Multicast & Automation

Layer 2 & Layer 3 VPNs

Part of the JNCIP-SP (JN0-663/JN0-664) Exam Helper - deep-dive material for every domain on the exam blueprint.

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This deep-dive content is available to paid accounts.

© Scott Moore 2026

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