Gigabit Ethernet (GbE or 1 GigE) is a term describing various technologies for transmitting frames in a network to a speed of Gigabit per second (1,000,000,000 bits per second), defined in IEEE 802.3-2005.

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Not getting gigabit Ethernet speeds between 2 computers

I am trying to connect two computers together using a Cat6 cable. Both computers have gigabit Ethernet cards, and the "Network" tab in Task Manager reports the link speed to be 1Gb/s for both. One ...
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20 views

Connect main (serving) PC to router or to switch in high traffic LAN?

I am restructuring my home network after finally upgrading my aging Linksys WRT54G router to an Asus RT-N66U. All desktop computers are gigabit ethernet wired connections utilizing multiple switches. ...
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13 views

Ethernet cable(port) not working at all while it works fine wireless and on other machines

I have an MSI GE60 2OE and recently my Ethernet cable or port won't load any videos like sometimes if I disable and enable it from network and connections where it shows my Ethernet port it will work ...
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40 views

Can i join one server with multiple ethernet wires to switches

I saw one video where the user has one 100mb switch and other Giagbit switch. Then he has his all servers first network card connected to 100mb switch and second to the Gigabit switch he says that ...
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99 views

Windows 7 File Transfer Speed Over Gigabit is Exceeding Expected Limits(!?)

I have two PCs and a network switch, all gigabit hardware. I transferred this ISO file between them and noticed the Windows copy dialog reporting faster rates than I expected: 181 MB/s ? How could ...
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41 views

Why are my CAT-5e connections connecting at only 100baseTX?

I'm doing some rewiring. Several years ago I ran CAT-5e cable throughout my house. They terminated using standard wall plugs, on the other end to a patch panel (punch-down), which then patched into ...
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5answers
342 views

How can I achieve Gigabit LAN speed without wires?

I have a Netgear Router which connects to my Cisco router. I have a gigabit switch which connects to my servers in my Garage.. I am currently connecting with wifi adapter on my desktop (in my room) ...
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1answer
21 views

P8Z77V built in ethernet fails with Code 10

I have an Asus P8Z77-V motherboard with a built in intel 82579V adaptor. For some odd reason its being detected as 82579LM. I'm running windows 8, and the system worked properly before. Its a known ...
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130 views

Ethernet adapter with static IP configuration not accessible on start up

My home workstation motherboard has two Ethernet adapters. Both ports connect to the same local network and Internet router. The only difference is one is set as DHCP while the other has a static IP ...
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1answer
25 views

File transfer over specific network

I have 5 machines running Windows 7 32-bit, and 2 machines running Windows XP SP3 32-bit. I use workgroups, not a domain. I have Simple File Sharing enabled. All the machines have Gigabit NICs, with ...
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1answer
74 views

Can I connect 2 Gigabit lan connections between 2 switches?

I have 2 switches (one functions as a router with the broadband connection) both of them have 4 gigabit ports. Currently they are connected with a single cat6 lan cord and work fine... I would ...
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2answers
175 views

How to direct connection local lan + WIFI internet?

I am running 2 computers. Each have a WIFI connection to the router (other location in the house) which provides internet. I would like now to directly connect those 2 computers via their Gigabit ...
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240 views

Why am I only getting 100 Mbps from my home network?

I have an external hard drive (a WD 2TB My Book Live) connected to a router (a D-Link DIR-615 running DD-WRT) via ethernet cable. I also have a desktop with a "Realtek PCIe GBE Family Controller" ...
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2answers
44 views

Bat file to backup when the cable is connected [duplicate]

I need to do a Bat file (or something like that) that do a Incremental Backup of some especified folders when, and just when, the Ethernet Cable is connected. How can I do it? I have no idea how can ...
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3answers
726 views

Running Ethernet over two phone lines

I am trying to run Ethernet through my house along existing phone wires. I had originally planned to use the phone wires to pull the cat5e cable, but it appears the phone lines are stapled to studs ...
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1answer
2k views

Windows 8.1 Slow Gigabit Networking

I think I'm going mad, my recently reformatted computer (from Windows 7 64bit to Windows 8.1 64bit) will no longer transfer any files to my NAS at more than a 100mbit connection speed. Whilst on W7 ...
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1answer
315 views

Does the category of RJ11 modem cable matter?

I have a VDSL2 connection and of course a modem. I have a Cat5 DSL RJ11 cable and I was wondering how to tweak the performance. Would it be possible to use a Cat6 or Cat7 DSL RJ11 to gain more ...
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149 views

How to configure gigabit NIC to connect to 100mpbs router?

I have an Ubuntu 12.04 box with two "Intel Corporation I350 Gigabit" ports. These work fine with my cable modem at 1Gbps speed. I tried to have my old Linksys wrt54g router in between. The wireless ...
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135 views

If USB 2.0 max speed is 35MBp/s (480 mbits) why am I transferring at 120MB over gigabit?

I have a USB 2.0 External HDD and when I transfer something to/from the HDD over a gigabit network, I have a 120MB transfer speed, but USB 2.0 over supports 35MB
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Why am I getting 950 Mbps up but only 360 Mbps down on Gigabit Ethernet?

I got two desktop computers talking to each other directly. They both have Gigabit Ethernet capable network adapters. That's 1 Gbps or 1000 Mbps. I have them connected with a brand new 10 meter long ...
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1answer
224 views

How to test the throughput between 2 Network adapters on the same PC? [closed]

The motherboard of my desktop PC features two Ethernet ports. Each port has its own network controller from Realtek and they are both capable of Gigabit Ethernet. Now, I have this crazy idea to take a ...
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43 views

Preventing Gigabit Loss due to printers [closed]

HOW CAN I MAINTAIN Gigabit Ethernet integrity given this situation: What I have to work with: ** AC-router w/4 port gigabit N-600 router w/4 port gigabit Switch w/8 port gigabit All PCs have ...
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1answer
341 views

150mbps cable internet, but only for some PCs

I just got 150 mbps cable modem service. I have a Netgear R6300v2 router, a Motorola SB6141 cable modem, and a Netgear GS605v4 switch. I have a Sony VAIO laptop that when hooked up to the modem ...
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3answers
2k views

Why is my LAN not gigabit?

The in-wall CAT5e LAN cabling in my newly built house (photos during construction) is weird: it works perfectly fine except it only allows 100Mbps and not gigabit. To clarify, the wired LAN ...
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28 views

Switches and negotiated speeds

I need to verify something. If you have a Gig-E network, and you connect a 100Mbp device to this network, and the network is completely switched, the network still functions at Gig-E for all Gig-E ...
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3answers
934 views

When connecting two switches, should I use normal switch ports or the SFP ports?

I have two 48 port gigabit Netgear switches with 2 SFP ports each (I also have two Mini-GBIC copper transceiver modules) Is it best to set the ports up by using the built in ports (i.e. plug port 1 ...
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2answers
444 views

Gigabit - Throughput bound more by CPU/RAM, or Disk IO?

Setting up some network file shares. I'm looking at either a NAS or a headless desktop PC. Both have gigabit ethernet, and comparable SATA connections. The main difference being CPU and RAM. How much ...
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1answer
149 views

Should a RAID array of 3x7200 RPM HDDs be able to saturate a gigabit ethernet link?

I have a ZFS RAIDz (RAID5) array of three 7200RPM SATA2 drives in a FreeNAS virtual machine. I have multiple machines connected to this VM over a gigabit network. I'm seeing via bandwidth graphs that ...
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2answers
376 views

Throughput from devices on gigabit switch to gigabit router

I think this is a pretty simple question, but I wanted to either validate my thinking, or for someone to tell me I'm wrong. My router at home has 4 gigabit ports. So, obviously, each (supported) ...
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0answers
144 views

same pci bus address for pci slot and on board ethernet port?

The pci slot address shown is same as the one shown for on board ethernet card. There is a conflict. Not sure how to resolve it. Various command output are dmidecode -t 9 | grep 'Bus Address' ...
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48 views

What is the solution for my home office network? [closed]

I'm building my home office and I have some doubts about how to structure my network. I made some draws to illustrate different solutions for my case and I wan't to know wich one is the best. ...
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1answer
212 views

UTP Cat-6 low speeds

I've got a UTP Cat-6 ethernet installation with a Linux server in one end, my PC in the other and three gigabit switches in between. Recently I changed the cable from a normal Cat-5 to an UTP Cat-6, ...
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1k views

Do you really need a gigabit router for a local network?

All of my computers at home are gigabit compatible and I'm planning to upgrade my old switch to a gigabit switch . The question is do I also need to upgrade my old router ? I'm only running internet ...
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5answers
4k views

Over gigabit connection, Teracopy does 31MB/s, but Windows 8 does it at ~109MB per second?

I got my brain-melting first taste of Gigabit networking today, between my 2011 MacMini and Windows 8 Pro desktop connected via Cat.5e to Linksys WRT320N(sporting dd-WRT). After making sure that the ...
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201 views

Effect of adding Ethernet 10/100 printers to a gigabit network

Everything here is gigabit (NICs, router and switch) except for two ethernet 10/100 network printers. Will attaching them to my switch slow the whole network down?
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681 views

Mother Board does not detect Ethernet Driver

I have an Intel motherboard model DH61WW and Intel i3 processor. When I tried to install Windows Server 2008 64 bit Enterprise Edition, I successfully installed it without any errors. After installing ...
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2answers
137 views

Flaky connection on gigabit LAN, win7

I have recently noticed that on websites that require multiple small requests, such as google maps, I have a tons of timeout issues. Similarly, browsing is not as smooth as it is with other devices ...
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What happens when Gigabit switches are connected over an old CAT5 cable?

If two gigabit switches are connected using an old CAT5 (not CAT5e) cable, will they slow their connection down to 100 Mbit/s?
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2k views

Plugged-in network cable is not detected (possibly related to green ethernet?)

I have just purchased a D-Link DIR-652 wireless router, and now I want to connect a Shuttle XS25GT V2 computer using a 1 metre Cat 5e ethernet cable. The Shuttle runs Ubuntu 12.10 and has a JMC250 ...
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2answers
808 views

Why wouldn't an ethernet interface advertise gigabit speed if it's capable?

I have a laptop with a gigabit capable ethernet interface: # lspci -vvnn -s 08:02.0 08:02.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet [10ec:8167] ...
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1answer
607 views

Why do we not need a crossover cable if one computer has a Gigabit ethernet card

I always thought that to connect two computers directly without using a hub or switch we needed an cross over ethernet cable, but this says that If one of the two computers has a gigabit ethernet ...
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2answers
321 views

Why maximum 1.0 Gbit Ethernet connection an old notebook, and only 100 Mbit on newer faster computer

Strange problem about Ethernet speed: recently we bought an i7 core computer running Win7 64 bit with an onboard Gigabit Ethernet controller (Realtek PCIe Gbit Ethernet Family controller). ...
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3answers
3k views

Two network adapters in one WindowsXP PC, how to make them work?

I have a need to set up network so I can use two ethernet cards inside one Windows (Windows XP SP2) based PC, one for internet connection, second, for internal LAN. How should I configure each NIC, ...
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1answer
2k views

My internet speed wont run at 1.0 Gbps on my Realtek PCIe Family Controller its stays at 100mbps

I have an asus Gigabit Router and a gigabit NIC (Realtek PCIe GBE Family Controller) witch is running at 100Mbps rather than 1000Mbps (1.0 Gbps). When I use an old laptop on the same Ethernet ...
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867 views

Gigabit Router Speed

I know this is a simple and possibly stupid question but i'm not quite sure what to search up on google to find the right answer. Basically i have a gigabit router (Dlink DIR 825) and have multiple ...
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5k views

Can I mix CAT5 and CAT6?

I'm thinking of upgrading the "backbone" of my network, taking a CAT6 cable from my router (DLINK DIR-655 (has cat6 ports)) to a gigabit swith in the tv rom (25m). I have two devices there that uses ...
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5answers
4k views

How to get a 1000 Mbps network using crossover cable

I am using a crossover cable to connect two computers. Despite having Gigabit LAN, they only provide me with 100 Mbps networking. My question is whether is it possible to get 1000 Mbps networking ...
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1answer
2k views

Gigabit connection between 2 computers

I am trying to set up a connection between 2 pc's. It's a direct cable connection. The problem that I am having is that the connection isn't gigabit. I know both network cards support gigabit. I ...
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1answer
978 views

Upgrading my home network to Gigabit Ethernet and Wireless-N turns out slower than before

My home network has three desktops, three laptops and some NAS drives. All desktops and NAS drives support Gigabit LAN and all laptops support Wireless-N. I was running a 100 BaseT switch though. I ...
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3answers
350 views

I can't get gigabit speed

I want gigabit speeds, but the best I can get is only 12mbps. I am transferring from my computer over a gigabit Ethernet (Built-in Realtek adapter) on an Asus motherboard (I checked the specifications ...