July 24, 2008 02:59pm pdt

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	[x] Attachment Details

Crossover cable from router to switch? WHY?

Zones: Networking Cables, Miscellaneous Networking, Network Switches & Hubs

Tags: cable, router, switch, crossover

What is suppose to happen if you hook a switch to a router that doesnt auto cross over and you dont use a crossover cable and same ? but only for a switch to another switch. have done this at my home for about 3 years now and I have no problems but I read on here that you have to use a cross over cable. So why shouldnt this work and why is mine working for 3 years now?

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7.0

Question Stats

Zone: Computer Hardware

Question Asked By: skylarktech

Solution Provided By: trickz_2

Participating Experts: 5

Solution Grade: A

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Comment by rob_geiger

For an Ethernet connection to work you need an odd number of x's. So for instance if you have a network switch, which is typically an MDIX (medium device Interface crossover) connecting to a pc which is MDI, then you would use a straight through cable. To connect to switches together, you would have two MDIX ports and would need to add a third x, being the cross over cable. A router is typically an MDI since they have been built for years out of standard computers.
If you have one of the interfaces using auto cross, then a straight through or crossover will work.

Comment by skylarktech

I already had a answerto this a year ago when it was asked but thanks for helping

20080723-EE-VQP-34