Networking

Ask computer networking questions and get answers ASAP

Ask a Computer Expert,
Get an Answer ASAP!

How could I increase the speed of data transfer between the…

Customer Question
How could I increase the...
How could I increase the speed of data transfer between
the NAS and my laptop.
Network's layout:
NAS -> Cat6 Ethernet straight patch cable 25 meters -> Router -> Cat6 Ethernet crossover cable 2 meters -> DELL XPS M1530 laptop.
OR
NAS -> Cat6 Ethernet straight patch cable
25 meters -> DELL XPS M1530 laptop.
No matter which layout I use, the speed does not exceed 17
Mbits/s (I am aware of the difference between bits/s and
bytes/s and I use Netmeter to monitor my network and internet speed). However, when I replace the DELL with another older laptop (ACER), the speed jumps to 27 Mbits/s. So the first problem is configuring the DELL to reach at least 27 Mbits/s.
The second problem is why is data transfer utilizing only
27% of the bandwith. I know that utilizing 100% of the
bandwidth is difficult, albeit not impossible, I would be satisfied if the transfer rate reaches 85 Mbits/s. What are the necessary changes needed to increase the transfer speed?
Submitted: 8 years ago.Category: Networking
Show More
Show Less
Ask Your Own Networking Question
Answered in 6 minutes by:
11/14/2009
Network Technician: John P, Consultant replied 8 years ago
John P
John P, Consultant
Category: Networking
Satisfied Customers: 451
Experience: 13+ Years of Exp, General Networking and Wireless Guru
Verified

So let's talk about this for a moment. No matter what the transfer speed to the network is you are going to be limited to how much data the NAS can receive based upon its amount of memory and also the number of disks in the NAS. Tell me more about the NAS. I'm assuming you are using CIFS for file shares.

Thanks,

John

Ask Your Own Networking Question
Customer reply replied 8 years ago
Dear John,

I don't know what CIF is, and let me describe my NAS. It is a Digitial Video Recorder (DVR) that can record from any video source to the internal hard disk. For a complete description please refer to the post I've written http://www.q8blackmarket.com/2009/10/review-1-tb-media-hdd-pro.html. It is the last post, and under the name of SISI. Or you may refer to the manual http://senduit.com/ddae13. The reason I call it NAS is because it has an internal hard disk and connects to my home network via ethernet. Am I correct to call it NAS?

The fastest rate I have ever managed to acheive copying files from the DVR to my laptop was using a USB cable and it was 20 Mbytes/s, so if the hard disk can sustain 160 Mbits/s using USB, it must be the NIC on either the DVR or laptop or both that limits the speed to sub-100 Mbits/s, am I correct?

The importance of acheiving high data transfer rates is due to the size of files being copied. The typical file is 4.7 Gbytes (a 2 hour recorded movie from the satellite receiver at DVD quality). Theoretically it should take around 8 mins at 85 Mbits/s to copy this 4.7 Gbytes movie, but it currently takes more than 42 mins to copy that same file!

Looking forward to hearing from you soon.

Karim
Network Technician: John P, Consultant replied 8 years ago

Karim,

You are correct in referring to the device as a NAS as it is connected to you network. I'm glad we clarified.

You are transferring the files from Vista?

Ask Your Own Networking Question
Customer reply replied 8 years ago
to Vista with Service Pack 2 and 4 GB RAM.
Network Technician: John P, Consultant replied 8 years ago

Okay let's try something first. Do you know how to run the command line with elevated privileges?

http://www.mydigitallife.info/2007/02/17/how-to-open-elevated-command-prompt-with-administrator-privileges-in-windows-vista/

There's a few ways to do it there. I want to turn off autotuning to see if it helps.

After opening the command line, please enter the following command:

netsh interface tcp set global autotuning=disabled

Please do not click accept until we actually get your transfer speed up.

Ask Your Own Networking Question
Customer reply replied 8 years ago
I have disabled autotuning and no improvement.

Karim
Network Technician: John P, Consultant replied 8 years ago
Did you reboot?
Ask Your Own Networking Question
Customer reply replied 8 years ago
I have rebooted after you asked and there was no improvement.
Network Technician: John P, Consultant replied 8 years ago

Have you tried disabling firewalls or security software?

Ask Your Own Networking Question
Customer reply replied 8 years ago
I have disabled the only two pieces of software I could think of

1. ESET Smart Securtiy v4.xxxxxx
2. Windows Defender

and still no improvement.
Network Technician: John P, Consultant replied 8 years ago

Hi, I'm going to Opt Out now as I am out of time for a few hours. Another Expert will assist you shortly. You'll be emailed when this happens so you are not needlessly waiting around.

Thanks,

John

Ask Your Own Networking Question
Customer reply replied 8 years ago
Don't worry, I'll log out now to go to sleep in a short while. By the way, what time zone are you in? I am GMT +3
Network Technician: John P, Consultant replied 8 years ago
GMT -5
Ask Your Own Networking Question
Customer reply replied 8 years ago
Dear John,

I am online and have 3 hours before I go to sleep. Hope to meet before then.

Karim
Network Technician: John P, Consultant replied 8 years ago

I'm online now. I found the issue. The problem isn't with the network. It's with the processor built into the NAS device to handle the network traffic (packetizing, error correction, flow, setup/breakdown, etc.) So you will almost always see these rates unless you move to a server or desktop based NAS system with a better processor and onboard memory. I conferred with a Senior Sys Engineer at a storage company last night and he concurs. The difference between your other laptop and the new could be a number of factors, and I have no way to know how you baselined the test.

USB is serial so the data transfer takes significantly less processing.

Please post back with your questions.

John P
John P, Consultant
Category: Networking
Satisfied Customers: 451
Experience: 13+ Years of Exp, General Networking and Wireless Guru
Verified
John P and 87 other Networking Specialists are ready to help you
Ask your own question now
Customer reply replied 8 years ago
Here is what I understood: the bottleneck to reaching a higher transfer rate with my DVR is the onboard processors, RAM, etc (configuration in short). So unless these components are changed, I cannot acheive any speed improvement. Is this correct? Since changing the DVR/NAS' components or even tweaking its settings is impossible (can you believe that I could not log into this NAS using TELNET or the NETSHELL?) I have no choice but to accept the 25 Mbits/s I squeeze out of it.

Onto the second part. I am determined to increase the speed of the DELL laptop from the current 15 Mbits/s to 25 Mbits/s especially that my older ACER laptop and my sister's HP laptop can acheive it. Tell me what do I need to do and I will do it. Would you like to start with the advanced settings of the Ethernet card, I can type them out for you and you tell me what choice to choose for each?

When you say "baselined the test" do you mean perform the test? If I am correct then refer to the attached diagramNetwork layout

I use a utility named Netmeter http://www.hootech.com/NetMeter/ to monitor the speed my ethernet card and another utility named Teracopy http://www.codesector.com/teracopy.php to monitor the speed of file transfer regardless of the source and destination; intra-pc and inter-pc.

Looking forward to hearing from you soon.
Network Technician: John P, Consultant replied 8 years ago

Okay, so let's start with your questions. First, you are correct that the limitation for the transfer is bottlenecked due to the configuration of the physical components of the DVR device. Second, let's talk perform a simple test. Can you setup a share on your ACER laptop and also on your DELL laptop and test a file transfer from both directions (not simulateneously) to each machine. Please monitor the transfer speed on both transfers. I would recommend using a decent sized file (at least 400MB). Post back with the results.

Ask Your Own Networking Question
Customer reply replied 8 years ago
John,

The transfer rates are in the text files referred to by the links:

1. DELL running Vista: http://senduit.com/a18938
2. ACER running Win XP: http://senduit.com/daf931

I copied a 1GB file to and from the DVR from each laptop as per your request.

I'm going to bed now, so good night and talk to you tomorrow.

Karim
Customer reply replied 8 years ago
Dear John,

I have a lot of work to finish for tomorrow, so I don't know when will I be free to meet you online. Once I am ready, I will let you know.

Karim
Customer reply replied 8 years ago
Dear John,

I've just returned home (it is 9:25 pm) and I am too tired to continue with my question so I'll have to pass today. By the look of it, I will be very busy until the weekend (Friday) so lets agree that I we will not meet again until Friday morning, however, if I do manage to find the time before then, I will let you know.

Karim
Customer reply replied 8 years ago
Dear John,

I have half an hour before I go to sleep, would you like to continue or are we going to need more time?

Karim
Network Technician: John P, Consultant replied 8 years ago

I just got this reply. I have some time right now. We can try to change the MTU. If you go to the Windows Menu, Accessories and Right click on the Command Prompt select run as Administrator, then type the following line:

netsh interface ipv4 show subinterfaces

Please tell me what the MTU is set to on your active connection.

Ask Your Own Networking Question
Customer reply replied 8 years ago
Dear John,

I'm back and here is the result of the network shell command

MTU MediaSenseState Bytes In Bytes Out Interface
------ --------------- --------- --------- -------------(###) ###-#### 1 0 33129 Loopback Pseudo-Interface 1
1400 5 0 0 WLAN
1500 1 (###) ###-#### 331159 LAN
Customer reply replied 8 years ago
Goodmorning John,

I am online and hope to meet you today.

Karim
Customer reply replied 8 years ago
Dear John,

I've have to go now. Awaiting your new instructions.

Karim
Customer reply replied 8 years ago
Dear John,

I haven't heard from you in while; I hope you are well. Please excuse me for disappearing but I was ill and quite busy. I am feeling better and hope the work load eases in the period to come.

Do you have suggestions about how we should go about continuing our tests?

Looking forward to hearing from you soon.

Karim
Customer reply replied 8 years ago
Dear John,

I am online and hope to meet you today.

Karim
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a network technicianLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask John P Your Own Question
John P
John P
John P, Consultant
Category: Networking
Satisfied Customers: 451
451 Satisfied Customers
Experience: 13+ Years of Exp, General Networking and Wireless Guru

John P is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I am very happy with my very fast response. Eric is very knowledgeable in the subject area. Thank you!

RPAustin, TX

My Expert answered my question promptly and he resolved the issue totally. This is a great service. I am so glad I found it I will definitely use the service again if needed.

One Happy CustomerNew York

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

< Previous | Next >

Meet the Experts:

Claws224

Claws224

IEEE Network Engineer

1,256 satisfied customers

IEEE, Microsoft

Kevin

Kevin

LAN/WAN Specialist

1,165 satisfied customers

Certified MCSA and MCP Network Administrator with over 20 years of PC experience.

Byron

Byron

PC Support Tech

677 satisfied customers

CCNA, A+, MCSE 11 years at a large law firm.

Eric K.

Eric K.

Network Administrator

510 satisfied customers

13 years of desktop, server and network support experience

Mr. Clark

Mr. Clark

Network Engineer

510 satisfied customers

Computer Business Owner / Former DoD Network Specialist

Chris L.

Chris L.

Support Specialist

448 satisfied customers

Certified Networking expert with over 10 years experience.

Kamil Anwar

Kamil Anwar

Certified Networking Engineer

433 satisfied customers

8+ Years of Experience. / CCNA (S), CCNA (W), CCNA (RS), MCTS, MBCs.

< Previous | Next >

Related Networking Questions
I have a Iomega NAS s/n BWA3074930 that used to work on my
I have a Iomega NAS s/n BWA3074930 that used to work on my network but now is not recognized connected directly to my laptop via a cat5 cable. Have win10 on the laptop. … read more
Christopher Bessler
Christopher Bessler
Senior Network Engineer
Associate Degree
1,587 satisfied customers
Wifi router and rj45 how to connect? Please give me links to
Wifi router and rj45 how to connect? Please give me links to wifi routers under $100. I want to stream video and data over the wifi and have a range of at least 50 ft, do I need a dual band 5Ghz? Also… read more
Nathan
Nathan
Bachelors of Science
14 satisfied customers
I have a CNC machine with a data server on it. It's a FANUC
I have a CNC machine with a data server on it. It's a FANUC 16M. I have a computer hooked via crossover cat5e cable to my network card on the the laptop here running windows 7. The problem is, I can p… read more
Dr. Bell
Dr. Bell
Computer Specialist
Technical School Training/Certified
86 satisfied customers
I am running a very long multicore data line, I think it
Hi I am running a very long multicore data line, I think it has 48 cores+ about 50 meters to an outside home office, the cores will include data, telecommunication and alarm feed/switches, the first p… read more
Nathan
Nathan
Bachelors of Science
14 satisfied customers
what would I need to buy for getting/transferring data of old
what would I need to buy for getting/transferring data of old hard drive to something else?… read more
RandyNetwork Tech
RandyNetwork Tech
1,756 satisfied customers
There is a problem with my network file transfer. It is very
There is a problem with my network file transfer. It is very slow. It is under 1MB/second. How can i fix this problem.… read more
Nathan
Nathan
Bachelors of Science
14 satisfied customers
I am just now starting to install my home network. Ethernet
I am just now starting to install my home network. Ethernet wires (Cat6 and 5e) have been run to my locations. I am trying to use a internet switch to control about 15 different ethernet cables to var… read more
jnlichen
jnlichen
IT Manager
Bachelor's Degree
143 satisfied customers
Hi, I am using Belkin F5D4074.5 (v1). When using my computer
Hi, I am using Belkin F5D4074.5 (v1). When using my computer on an Ethernet cable near to and plugged directly into my router, I am getting a speed of 60-70 mbps. However, when using the Belkin system… read more
Byron
Byron
PC Support Tech
Bachelor's Degree
677 satisfied customers
I am using a Cisco/Linksys E2000 router. I have two wired
I am using a Cisco/Linksys E2000 router. I have two wired devices with 1Gb interfaces and cat6 cables going between them and the router. I have a file copy running but it is only at 7Mb/s. One device … read more
Travis
Travis
Systems Administrator
Bachelor\u0027s Degree
93 satisfied customers
Two Part Question First Discuss the function of the NIC
Two Part Question First Discuss the function of the NIC in data transfer on a LAN. Also discuss the NIC's role in CSMA/CD, setting the duplex speed, and the bits/Hexadecimal that comprise a NIC addres… read more
Kevin
Kevin
LAN/WAN Specialist
High School or GED
1,165 satisfied customers
my Netgear WNDR3700 (gigabit) router doesnt recognize my Netgear
my Netgear WNDR3700 (gigabit) router doesn't recognize my Netgear gigabit switch (GS605AV). with nothing connected, the port shows ony a 100mb connection. Shouldn't it be higher?… read more
jucraig
jucraig
Network Design Analyst / Pre-Sales Tech
Bachelor\u0027s Degree
63 satisfied customers
I have Win7 running the latest iTunes ver. I recently added
I have Win7 running the latest iTunes ver. I recently added a Buffalo Linkstation NAS Drive to my system which is connected directly to an ethernet port on my router. The router is downstairs and wire… read more
Mr. Clark
Mr. Clark
Network Engineer
Bachelor's Degree
510 satisfied customers
I have a new home and have installed a central wiring closet
I have a new home and have installed a central wiring closet on the second floor (there are two main floors and a basement). My broadband connection is from Comcast and the connection goes straight to… read more
Erik B.
Erik B.
Network Engineer
Associate Degree
4,134 satisfied customers
What is the function of the NIC in data transfer on a LAN.
What is the function of the NIC in data transfer on a LAN. Also what is the NIC's role in CSMA/CD, setting the duplex speed, and the bits/Hexadecimal that comprise a NIC address? What are the roles of… read more
D.Sandlin
D.Sandlin
Support Technician
6,708 satisfied customers
I have a Canon IR2200 and I installed a new C2 Canon Network
I have a Canon IR2200 and I installed a new C2 Canon Network Printer Kit. A tech came out to update the firmware and install the driver. It was working fine until I changed to a longer cat5e ethernet … read more
Ryan Ball
Ryan Ball
Network Administrator
Vocational, Technical or Trade Scho
7 satisfied customers
what is the fatsest data transfer method between nas and computer
what is the fatsest data transfer method between nas and computer with 2003 os+sql server? we have 2 boxes.. box1 = windows 2003 server and sql server box 2 = reaydnas nvx want to know faetst data tra… read more
Tony
Tony
Staff Engineer, Wireless Platform
Bachelor\u0027s Degree
88 satisfied customers
My network is working but not at its maximum speed
THE PROBLEM My network is working but not at its maximum speed as it once did. I need help in finetuning it. NETWORK LAYOUT A home network with the wireless router at its center. Two Vista laptops are… read more
Eric K.
Eric K.
Network Administrator
High School or GED
510 satisfied customers
My Linksys Wireless-N Gigabit Security Router with VPN (Model
My Linksys "Wireless-N Gigabit Security Router with VPN" (Model # XXXXX) links to my network if I plug it directly into the DSL modem, but won't uplink to my network when plugged into my Netgear GS748… read more
Erik B.
Erik B.
Network Engineer
Associate Degree
4,134 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x