RJ45 on Cat6 LAN wire, can anyone help me?

[attyallanlatras]

Just recently, I bought Cat6 LAN wire about 25 feet in length and have it divided into 4. Since I am not familiar with how to crimp RJ45 connectors, I had it done at a computer shop in SM...The connection is fine - internet, and my 2 WD My Book Live...My computer has a Gigabit LAN port, the 2 WD My Book Live are also Gigabit capable, and I have a CISCO Gigabit switch...My computer and the 2 WD My Book Live are connected to the CISCO Gigabit switch and for internet connection, the switch is connected to an Asus Router (10/100 fast ethernet),....my concern is the transfer rate from my PC to the WD My Book Live which I do not feel any improvement prior to install the Gigabit switch....

Then recently, I read in the net that the "CAT5e RJ45 is not appropriate for CAT6 use (you can force it, but may compromise the higher speeds)." I now suspect that I am in this situation as I am sure the RJ45 connector used was for CAT5e and not for CAT 6....

Where can I buy or ask someone to crimp the appreciate RJ45 for my CAT6 LAN cable? Or is it really true that there are RJ45 for CAT6 different from the RJ45 for CAT5e?

[aioshin]

Please check the router or switches, should be Full Duplex Mode, then the speed should be 1GBps, not 100MBps. Sometimes, auto mode will not work, so you have to manually set the desired speed.

For Rj45, please buy the branded, not the cheap one, and on crimping, make sure that it is equally crimped... cheap crimping tools sometimes are not equal on its crimping teeth, so crimping result is faulty.

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Please check the router or switches, should be Full Duplex Mode, then the speed should be 1GBps, not 100MBps. Sometimes, auto mode will not work, so you have to manually set the desired speed.

For Rj45, please buy the branded, not the cheap one, and on crimping, make sure that it is equally crimped... cheap crimping tools sometimes are not equal on its crimping teeth, so crimping result is faulty.

[12vdc]

AFAIK only difference bet CAT5 and CAT6 is the outer shielding of the latter, former has none. You could have the shielding soldered, the RJ45 connector of CAT6 has a metal body.

[oj88]

The CAT6 standard can be deployed in shielded and unshielded configurations. CAT6 is not sensitive to the type of RJ45 plugs you use, rather, it is VERY sensitive with the cable used, the RJ45 jack, and if it is properly punched/terminated.

OP, what is the transfer rate you're getting between your PC and the WD NAS? Just a reality check... There seems to be a lot of chatter on some forums about the abysmal transfer speeds from these boxes. Having a gigabit connection does not guarantee fast transfers. There are other bottlenecks that must be factored in; Your PC's HDD I/O, the WD's internal I/O and/or HDD speed, etc.

[box_type]

afaik rj45s don't have cat5e nor cat6 specifications, only LAN cables has these, your problem could be in the (asus)router/switch (with a 10/100 speed and all the other equipments have 1 gb speeds)....have you ever heard of the saying "your network is as slow as the slowest link (which in this case is your switch/router) in your network"?

[benchman]

afaik rj45s don't have cat5e nor cat6 specifications, only LAN cables has these, your problem could be in the (asus)router/switch (with a 10/100 speed and all the other equipments have 1 gb speeds)....have you ever heard of the saying "your network is as slow as the slowest link (which in this case is your switch/router) in your network"?

+1
bottleneck, it's the router.

[12vdc]

Giga lan i worked with are using shielded so are the rj45 connectors, most are vulcanized. TS may just run a test to check the bandwidth.. If RFC2544 test is possible, the better.

[oj88]

afaik rj45s don't have cat5e nor cat6 specifications, only LAN cables has these, your problem could be in the (asus)router/switch (with a 10/100 speed and all the other equipments have 1 gb speeds)....have you ever heard of the saying "your network is as slow as the slowest link (which in this case is your switch/router) in your network"?

Sorry, no. As I mentioned, the cable and RJ45 jacks do matter if they're under-rated for the CAT6 specification.

+1
bottleneck, it's the router.

The OP mentioned that both his desktop and NAS boxes are connected to a gigabit switch. It's a switch; It doesn't matter if there's a 10mbps device connected to any of the ports, it will provide gigabit throughput to two client devices that have gigabit ports.

[attyallanlatras]

Sir,

How do I check the transfer rate or speed of my gigabit devices (PC and the NAS boxes)?

I also read somewhere that I should manually change the setting under the Devise Manager for the Network Adapters under "Speed and Duplex" from Auto Negotiation to 1.0 GBPS Full Duplex....Before I should do that I want to get proper and expert advise first. I am afraid that if I will do that my router 10/100 may not act properly...

Thanks in advance...

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Sir,

How do I check the transfer rate or speed of my gigabit devices (PC and the NAS boxes)?

I also read somewhere that I should manually change the setting under the Devise Manager for the Network Adapters under "Speed and Duplex" from Auto Negotiation to 1.0 GBPS Full Duplex....Before I should do that I want to get proper and expert advise first. I am afraid that if I will do that my router 10/100 may not act properly...

Thanks in advance...

[12vdc]

SOHO giga network devices usually have LED speed indicator that allows you to see the speed theyre operating. Just leave it as is, speed:auto duplex:auto and you should be fine. If youre unsure with the speed, you could always force it to operate at 1G. A simple FTP could gauge throughput, while a ping command could give you the latency. Also, there are lots of free network monitoring tools out there..

[Horsepower]

Your NAS (WD book) is not a fast one. It uses, most of the time, the WD Green HDD line (which are very slow, 5200rpm IIRC). IF you really need fast NAS, get QNAP, ASUSTOR and the likes with internal processor (marvell, Intel etc. and upgradeable RAM) with DUAL gigabit ports.

[badkuk]

maybe you can swap out the WD Greens with Blacks?

[badkuk]

maybe you can swap out the WD Greens with Blacks?

[Horsepower]

It would probably improve but no idea if it's noticeable. Iba pa rin ang Dual GbE + fast processor + big RAM

[attyallanlatras]

My average transfer rate from an internal HDD to My Book Live is around 9 to 11 MB per second...is this alright for a gigabit PC to NAS gigabit?

[oj88]

My transfer speed averages at 88 MB/s when copying from SSD to SSD drives over a 1 gbps link.

It drops down to an average of 63 MB/s when copying from HDD to HDD drives on the same 1 gbps link.

The computers involved are my PC and home media server. Switch is a D-Link DGS-1210-20 smart switch.

[12vdc]

Multiply that to 8 then its about 100 mbits/ sec which means your network is operating at FastEthernet speeds only which should not be the case because your NAS and PC are directly communicating thru the GbE switch and not thru the router(router only assigns the ip doesn't control traffic in the same subnet). To isolate your speed problem, try to connect NAS directly to PC(assign point to point ip on both devices) then run the test.

[kisshmet]

^just want to stress out that the thread starter would need a cross cable for that

[oj88]

^just want to stress out that the thread starter would need a cross cable for that

Maybe. But most modern NICs in the last decade are already auto MDI-X.

[attyallanlatras]

Maybe. But most modern NICs in the last decade are already auto MDI-X.

This morning I tried to directly connect the WD My Book Live to the PC thru the gigabit lan port. I was able to see the WD My Book Live at the network but I cannot access its contents. Would a cross cable do the trick?

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Maybe. But most modern NICs in the last decade are already auto MDI-X.

This morning I tried to directly connect the WD My Book Live to the PC thru the gigabit lan port. I was able to see the WD My Book Live at the network but I cannot access its contents. Would a cross cable do the trick?