Ethernet: Straight-through VS Crossover Cable: Difference between revisions
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Consumer routers generally have one router port labeled [INTERNET] and four switch ports. 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. | Consumer routers generally have one router port labeled [INTERNET] and four switch ports. 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. | |||
Revision as of 23:21, 9 September 2025
Straight-Though
PC <=> Switch Router <=> Switch
Crossover
PC <=> Router Router <=> Router Switch <=> Switch
Exceptions and notes:
Consumer routers generally have one router port labeled [INTERNET] and four switch ports. 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.
