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Posts Tagged ‘Gigabit’

Is the speed between two: 1000BASE-SX LC multimode 50/125um fiber modules
the same as between two: 1000BASE-T CAT5e modules
Assume: Gigabit ethernet protocol, length of cable/fiber is nominal (under 100 feet), all else is the same, connections are between two quality switches.

[I think I am getting hung up on LC having a separate send and receive fiber (asynchronous), so the related question is: does gigabit ethernet have a max bandwidth of ~1gb or ~2gb, or...?]

Hello,
I have a Belkin N1 Router with Gigabit Ethernet ports.
Plugged in to it, I have a HP Laptop with Gigabit Ethernet and the status of this network connection reports the speed of 1.0Gbps.
I also have a Western Digital WorldBook NAS (Network Attached Storage) with Gigabit Ethernet and the configuration page reports that its network connection is running at 1000Mbps.
All network cables are Cat5e.
Therefore I’m assuming I have everything set up correctly to make best use of Gigabit Ethernet.
My laptop is running Windows Vista Ultimate with SP1 (therefore, have the patch to resolve the well know network copying poor performance bug).
When moving or copying files between the laptop and NAS, the Move/Copy dialog box reports a transfer speed of around 4.5Mbps. My question is, is this normal?? It seems very poor and slow to me. A 700Mb file takes around 4 minutes to copy.
In comparison, transfer speeds wirelessly using 802.11g (54Mbps) is around 1-2Mbps, and USB 2.0 Flash Memory plugged into the laptop gives a transfer speed of a more nicer 12Mbps.
With thanks
Mark

I just bought a Gigabit ethernet card for my PC and some Cat5E internet cable. I connected my NAS straight to my PC, because my router\switch is only 100mb. (My NAS is rated for Gigabit speeds (Up to 135MB/s)) But my NAS only transfers at 21 MB/s. I know my pc hard drive can handle at least 100MB/s because Ive tried and my NAS has 2 Sata hard drives so they should be fine. Any idea what I’m doing wrong?
I have my Network Attached Storage connected directly to my Gigabit ethernet card in my computer. To be honest to measure this I’m watching the Windows 7 transfer window and trying different file types of different sizes. I also have Windows feature “Remote Differential Compression” on when trying all of this. With it off I get at most 6 Megabytes per second.

I want to upgrade my network. I need a netwok switch what gives me 6-8 gigabit ethernet sockets and capable to work as a wireless access point with draft n standards. No internal modem is required for broadband as I already have an adsl2+ modem/router.
Please advice a specific model(s) having teh specs above.
Thanks

i have:

time warner cable with ambit modem

cat5e 350mhz cable

msi p6n sli platinum mobo

Realtek RTL8211BL
Max LAN Speed 10/100/1000Mbps port

but can only connect at 100mbps? why?

thanks
correction!
I don’t have a router, never will.
I only go from the wall outlet to my cable modem, then cat5e to my pc.

I have a Linksys WRT-300N router and i will very soon be installing a CAT6 full house Ethernet system, full gigabit, the router works fast enough for all wireless devices in the house, so i don’t want to replace it. but the “Mud” panel or switch panel i’m buying is gigabit, however the router is only 10/100, and will be used as the DHCP server, will this limit my entire system to 10/100? or will it still do 10/100/1000 for gigabit devices connected into the unmanaged switch panel?

Dell XPS 400
Pent D 2.79GHz
3GB RAM
im not sure about what size the FSB is.

D-Link DIR-655 Router
Computer w/ Intel PRO/1000 PL NIC
PS3 w/ 1000BASE-T NIC
Using all Cat6 cable

Im getting slow transfer speeds. I think the fastest Ive seen have been 8 MByte’s per sec. I should be getting at least 80 MByte’s Per sec right?

Im transfering from my internal SATA HD on the computer to my PS3. Im not sure if its SATA I or II though.
I see that my local area connection status tell me that my speed is 1 Gbit’s Per sec.
I dont know if there is something (QoS) in my router that wont let it pass or if there is something witht the PS3 or if there is a setting on my Hard Drives that i need to change.

Thanks
Im talking about Network transfer speeds. Between the PS3 and my PC. they both have gigabit NIC’s in them. So I should be able to get higher speeds.

I have a full gigabit network here. My PC has a gigabit card in it (Thinkpad T43 builtin gig card), my switch is a new gigabit switch and my main file storage drive is a WD World Edition gigabit ethernet attached hard drive. My system shows it’s connected at 1.0Gbps, the switch shows that all network devices (except my 100MB printer) are connected at gig speed, yet when I transfer files from or to my WD worldbook drive on the network, again, also connected at gig speed, my network utilization NEVER goes past 2% in windows task manager. It’s just as slow as the 100MB network I just upgraded from.

My understanding of cabling is that CAT6 is best for gig, but CAT5e works at gig speeds too…All cables are pretty much new Belkin CAT5e cables…

What am I missing? This is driving me nutts! OS is Windows XP Pro.

Thanks!
I’m not sure how to “reply” to your response, but it takes about an hour to move 4 gigs of data.

My wifes machine also has a gig connection (Dell D600), I tried moving the same 4GB’s of data to her machine, it was even slower than going to the WD drive…

…?
oh and only 1%…with some things it will spike to 2% at best…Video seems to go faster, more around 5%…Thing is, I thought “gig” was oh I don’t know…”gig”…? Whats the point of going to gig if you have to have some monster crazy stupid fast machine to actually utilize it…?

Dear all,
I have connected my PC and laptop through a CAT6 cable. Both devices have a gigabit network card. However, during the file transfer process, I cannot achieve more than 60MB/sec of transfer rate. Can anyone help me to address the problem?
Your help is appreciated
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Well, my cable is onlr 3m of length. I knew about the overhead; however, I’ve never thaught that these overheads can reduce speed to THIS level.
Moreover, the 2 computers are connected directly through tha cable, and both LAN connections say that the speed is 1 Gbps.
About the cable; I am not sure. It is just printed CAT6, and is not netioned anything about shielding!!!

I am looking to run a gigabit ethernet network off of my cable modem. Can someone tell me what setup I should use starting from the modem and in which order:
- Switch/Router to attach 24 Cat6 cables to?
- Where to position my Airport Extreme WIFI base station
Correct, we have a business cable modem connection, using wide-band technology, with a 20MB down and 5MB up.

We currently run from the modem into the airport extreme and from there to a 24 port switch (non Gigabit).

I’d like to improve/manage the system better. What equipment for our small office environment would you recommend to attach. Based on your comments I guess it’s:
Modem>Router>gigabit switch>airport extreme

Any makes/models of these you recommend?

Thanks!!!

Looking at implementing a domain controller with about 22 computers in the domain. All the wiring is Cat5. Would it make sense to install a 24-port gigabit switch of which one port is taken by a wireless-n/gigabit WAP? Right now about half of the 22 systems would have wireless-n cards and the others would have gigabit NICs. Questions: 1.) How does gigabit run over standard cat5? 2.) how would access rates be assuming the 11 wireless were all constantly hitting the WAP running Quickbooks from the server? 3.) Does it make sense to build up a new network around 10/100 switches and cards, or is that going to rapidly be antiquated?
Thanks for the first response. Cost is always an issue and I think with a 30 node network traffic is not bottlenecked by a 100mbps connection. The real question is that this company is young and the network scheme is just being developed. I want to plan for the future and don’t want to insvest in technology that no one will be using in 5-years. One last question for the wireless (since net-admin is not my full time trade)- Seems to me that I would want the WAP inside the firewall so traffic through it is forced through the firewall. Is this thinking correct? This looks better to me than a Sonicwall firewall that includes a WAP built in. Thanks again.

I have several “3Com Baseline Switch 2226 Plus” switches. These have Gigabit uplink ports. I’ve patched them with Cat6, and get the Gigabit speed light (green) on these ports. However, I have a long cable run with an existing Cat5 that’s not been replaced. My assumption was that I would need to pull a Cat6 here, however, the Gigabit uplink ports on the 3Com’s on each end of this Cat5 cable show the green Gigabit connection. Is it possible that I am, in fact, getting that speed, or is it likely that the green light is meaningless? How can I easily test this to check the speed of this uplink?

Thanks!

kern504

Hi. I will be getting a wireless router which has Gigabit ethernet ports. I want to get a cable to connect the router to my computer which has full gigabit capabilities. I have been looking around and I have found RJ45 CAT6 Patch cables. I read that CAT6 has gigabit capabilities, but what is a CAT6 patch cable? Is it what I want, bearing in mind that I am a gamer, so i need the best speed.
Thanks
Yes, but the router is wireless, so I can get a better internet speed and connection with other wireless devices on my network.

Or do you need to upgrade to cat6?

running server2003 with 2 gigabit network cards and a linksys gigabit switch, along with six workstations with netgear ga311 gigabit network cards. Question is if hard setting the cards to send larger packets over the network will really improve speed or will it become undepenable? Any other suggetions?

At the moment there is cat5e running through the office until we addon upstairs next month and then we will run cat6 everwhere. I installed all the cards in the workstations last week and a very noticable improvement is seen especially when opening large shared files. There are two gigabit cards in the server and we are using one, what is the purpose of a second card

Hey Guys,

I have been running cat5e cable and have been using the Leviton quickport cat5e jacks to terminate the cables. However, I noticed that a couple of my jacks say just “cat5″ instead of “cat5e” like the other ones.

They still has the same amount of termination zones for the wire.

So, my question is does it matter that it says just cat5 on that jack? Can I still get gigabit as long as I use a cat5e cable with that jack (by this I mean cat5e cable in the walls)?

Leo Laporte and Patrick Norton shows step-by-step how easy it is to speed up your computer’s network connection by upgrading to Gigabit Ethernet. This originally aired in 2004 on TechTV’s The Screen Savers.

I just bought a Netgear 5-port gigabit ethernet switch, model GS605. I didnt know it needed a special card, and my computers at home just have a regular ethernet card. How will this still work, if at all, if i plug it into a regular card. I will probably get the cards down the road, i just need to know if i can use it until then.

www.ad-net.com.tw offers a fast way to test WDM single fiber bidi Gigabit Ethernet and Fast Ethernet optical converters