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Should be Gigabit but running as 10/100.... - Page 2

post #11 of 17
As far as I know, Cat 5e will run 1Gb , but it uses all 4 pairs to do it. If you are using the thinner cables with only 2 pair, you will only connect at 100Mb/s. Also I would try plugging into a different port of your router if you can, I have a netgear switch which can be flaky depending on which port i'm plugged into. Cable length can also create issues, as well as interference, so i'd try and keep your cable run away from mains cables, and as short as possible.

I hope you get it sorted.

:-)
post #12 of 17
Also, if you run cat5 parallel to power, it may cause interference
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post #13 of 17
Quote:
Originally Posted by ZFedora View Post

cat 5 will run gigabit, cat6 can do 10GigE

this, i have even cat5 "non e" that do 1Gb but i assume it uses 4 pairs
Quote:
Originally Posted by ZFedora View Post

Also, if you run cat5 parallel to power, it may cause interference

watch out for this too, our home builders ran phoneline in the same conduit as power and the interference was terrible.. the same principle with cat5 - 6 cables smile.gif
Edited by stubass - 3/6/12 at 3:16pm
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post #14 of 17
Quote:
Originally Posted by beers View Post

I'd be interested to hear where you are pulling this 350 number from, aside from somewhere unspeakable.. Perhaps you mean MHz?
Cat5e has no problem running gigabit.
But yes, cables/EMI are likely the best place to start.

I had that in my memory, then checked with wiki for 2 seconds before I posted. Maybe I misread/misremembered but I don't think I did?
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post #15 of 17
Usually any two GBE Devices will attempt to run at GBE first, but will switch back to 100Mb if they cannot. i recently made some cables using unshielded cat5 and they wont do GBE, even though they aren't very long but i have other cables that will do GBE that aren't Cat6
post #16 of 17
Thread Starter 
Quote:
Originally Posted by parityboy View Post

@OP
Check your Cat 5e cable, I'll bet it says "2 pair" or something similar. I've recently run into this issue with a cheap Cat 5e cable which came with and O2 Wireless Box IV router; the rest of my infrastructure is GigE.

#@$@$!!! Blast! You're right! It IS a two pair cable. That's the problem. thanks! I have a non-2pair cable and it's working at Gigabit now. smile.gif
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post #17 of 17
Quote:
Originally Posted by coachmark2 View Post

#@$@$!!! Blast! You're right! It IS a two pair cable. That's the problem. thanks! I have a non-2pair cable and it's working at Gigabit now. smile.gif

Heh, we used to have a few motorola backhauls that came with those crap two pair cables.
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