Ethernet: Straight-through VS Crossover Cable: Difference between revisions

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{| class="wikitable" style="margin:auto"
Straight-Though
|+ Caption text
PC    <=> Switch (Or Switch type port on router)
|-
Router <=> Switch
! Crossover !! Straight Through !! Header text
 
|-
Crossover
| Example || Example || Example
PC    <=> Router
|-
Router <=> Router
| Example || Example || Example
Switch <=> Switch (Or Switch type port on router)
|-
 
| Example || Example || Example
 
|}
<hr>Exceptions and notes:<hr>
 
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.'''

Latest revision as of 22:01, 11 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.

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