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For questions about the OSI layer-2 (data-link layer).

2 votes
2 answers
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Understanding VLAN tagging

Let's say we have 4 machines connected to a layer 2, managed switch which is connected to a layer 3 switch. Say that 1.2.3.0/24 is routed to the layer 3 switch. Our goal is to have 1.2.3.0-63 usable o …
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