Ethernet: Straight-through VS Crossover Cable: Difference between revisions
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'''On almost all modern devices, you don't have to think about this topic since the network cards can auto-detect whether to transmit/receive in crossover mode or not. This technology is called [Auto–MDI-X https://en.wikipedia.org/wiki/Medium-dependent_interface]''' | '''On almost all modern devices, you don't have to think about this topic since the network cards can auto-detect whether to transmit/receive in crossover mode or not. This technology is called [[Auto–MDI-X https://en.wikipedia.org/wiki/Medium-dependent_interface]]''' | ||
Revision as of 23:43, 16 September 2025
Straight-Though
PC <=> Switch (Or Switch type port on router) Router <=> Switch
Crossover
PC <=> Router Router <=> Router Switch <=> Switch (Or Switch type port on router)
Exceptions and notes:
Consumer routers generally have one router port labeled [INTERNET] and four switch ports. For example: if you want to connect a PC to any of the ports NOT labeled [INTERNET], you'd use a straight-through cable in that case since they're technically switch ports.
On almost all modern devices, you don't have to think about this topic since the network cards can auto-detect whether to transmit/receive in crossover mode or not. This technology is called Auto–MDI-X https://en.wikipedia.org/wiki/Medium-dependent_interface
