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Lan card is of 1000 mbps speed but it is showing 100mbps

Last response: in Networking
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Anonymous
January 19, 2010 5:08:43 AM

LAN card is of 100 Mbps speed but it is showing 100 Mbps
January 19, 2010 11:22:34 AM

If your network is only 100mbps at the router it will only be 100mbps.. take a look at the NICs settings verify that you have it set as 1000.. and then verify the router's settings..
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January 20, 2010 1:07:39 AM

You also might have a super super old and crappy cable that can't do it itself. If any link in the chain isn't giga, then it won't be. Though really if you're talking about it telling you that in network settings then it's either the cable or the first switch/router it runs into.
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January 20, 2010 6:18:40 AM

check the cable itself.. it wil usually state on it somewhere "cat5" or 'cat6"
cat 6 is the one you want..
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January 20, 2010 2:21:09 PM

cat 5e is also rated for 1000. You don't have to have cat 6
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January 20, 2010 7:22:12 PM

Yeah I was about to say that. There are previous versions that aren't though.
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January 26, 2010 6:41:58 PM

I have 6 computers attached to a 1000mbps switch and 2 are only getting 100mbps feed where the others are getting 1000mbps.

I will checck the cables attached to the switch and see if they are all Cat5/6. You may have answered my question.

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November 22, 2010 2:58:14 AM

cool, let us know if we did xD

also the ISP and the router they give you...may have an automated speed control, if there are more then one pc attached to it..even through a switch... it can adapt speeds to loads...the pc with the highest demands, will be alloted the most speed. and then the others will be cut down.. I hate this and wish i could bypass it...as several computers play games and HD video similtaneously...and only one pc is given 100mbs full duplex...

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November 22, 2010 11:23:34 PM

kaa0653 said:
cat 5e is also rated for 1000. You don't have to have cat 6


Mostly correct.. well, 98% of the time :p 

Cat5e is not rated for gig speeds at 100m like cat6 is. Same with cat5. I use a short 5' cat5 which works fine at gig.

Cat7a all the way!
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November 24, 2010 8:36:23 AM

There are a few incorrect statements here. The link speed is only determined by the device it's connecting to. If your NIC is 1G and your switch or router that it's physically connected to will do 1G, you will be 1G. If there's a downstream link somewhere else that's 100Mb or even 10Mb, you'll be limited to your throughput, but you're still connected at a gig.

The caviat to that is some NICs don't handle 1G very well. Don't hard code 1G NICs. Set everything to auto and you should be good. Your issues could be a NIC issue as opposed to a cable issue. I would be willing to bet that's the case.

Yes, cat5 will handle 1g easily, but as you get longer distances, you may see issues. Within a house/apartment/flat/whatever, any cat5 cable or better should suffice.
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November 26, 2010 5:27:44 AM

kindly test with CAT 6 Cable.
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