Gigabit Ethernet

How network card knows each other's speed?
My old pentium 4 pc has a 10/100M network card, I recently bought a 100M/1000M switch. I am going to buy a PC with 1000M network card, I am prety sure they can talk to each other at 100M speed. My question is: how do they kn...

Problem with Jumbo Frames
Hello, I am trying to set up jumbo frames on my gigabit home LAN but no luck so far. My setup is: * D-Link DIR-655 router, HW Revision A3, Firmware 1.21 EU * Synology DS107+, Firmware 3.0-1337 * Laptop w/ Win7 x64, external PCIx NIC managed by "Gener...

gigabit network with adsl modem
Hi, i would like to build a gigabit network to connect the different computers at my home. I already have an 100Mb adsl router/modem but i have an hard time to find a 1000Mb one, so i came up with the idea of using a normal 1000Mb router or switch to put between the adsl modem...

Software or hardware issue?
I'm having a strange problem on my mac pro (first 8-core) where my network speed is dreadfully slow when connected with Ethernet. Internet connections are about 10% of maximum speed and computer to computer connections are similarly crippled. If I upload to net I should have 220kb/s but often onl...

Abysmal transfer speeds on gigabit network
I am having trouble getting my Gigabit network to work properly between my desktop computer and my Windows Home Server. When copying files to my server (connected through my switch), I am seeing file transfer speeds of below 10MB/s, sometimes even below 1MB/s. The machine configur...

802.11n (not draft) Wireless access point with gigabit ethernet ports
I looking for a wireless N access point, which isn't 802.11n draft 2.0 so the final certified version of n, with at least 3 gigabit ethernet ports, does anything like that exist. I don't want it to have a router in it, it's just to add wireless capability to a wired network. Also ...

why are local file transfers slower than 1Gbps /100Mbps
I have 2 computers both with 1Gbps ethernet cars (PCI) and are connected to a 1Gbps capable Switch with Cat 5e ethernet cable. Why are file transfers so much slower than 100Mbps let alone 1Gbps. (note I'm not asking about anything to do with the internet) My switch is connected to a route...

Connecting multiple low brandwidth devices into one Ethernet switch port.
I have added several new computers to a home network and I run out of free ports a gigabit-in switch... Two of the connected devices are printers and run just ocasinally. I would like to have all devices connected without running a second switch or buying a bigger one. My ideas to stuff two ...

Ethernet data transfer rates
I have a simple computer networking question. Gigabit connection, both computers have 500GB 7200rpm hard drives. One is core i7 860, and the other is Core 2 Duo 2.66Ghz. Both pretty fast computers. When I hook up my desktop and laptop that are both running windows ...

Do I need a Gigabit router with a 24Mbps down and 7Mbps upload speed cable modem?
Do I need a Gigabit port capable wireless router with a 24Mbps down and 7Mbps upload speed cable modem? Does anyone know how to calculate this? FYI, I wont be using the wireless connection from my main computer system. My computer will connect via a hard wire into the router (of the wireless ...

check if my ethernet controller supports gigabit Ethernet
is there a command that i can issue in ubuntu to see explicitly if my ethernet controller supports gigabit ethernet? ...

WiFi & GbE Slow while Both Active.
I'm having a problem with my WiFi network connection when I use my wired GbE connection concurrently on my Laptop. I'm using my WiFi for Internet access, and general web surfing and I'm using my GbE connection to connect to my PlayStation so I can stream media. The WiFi connection is via a Linksy...

How to configure LAN controller to run at 1Gbps connectivity?
I have a few computers connected through a Gigabit router which show 1Gbps connections. However, one of the computers only shows 100Mbps connectivity even though it is capable of 1Gbps. I am not seeing any errors in the event viewer. Computer Specs ...

How to achieve reliable Gigabit Ethernet Link with my Acer Aspire Revo R3610?
I want to stream HD movies over my wired Gigabit LAN from my PC to my Acer Aspire Revo R3610. It's connected with a 3ft Cat5e patch cable to my Netgear GS605v2 Switch. The PC acting as File Server is connected at 1Gbps to the Switch. Network driver options are set to defaults, including automat...

Looking for an unmanaged 4/8-port GBit Ethernet switch with a GBIC port
I'm looking for a simple unmanaged switch with 4-8 GBit Ethernet ports and a fiber port (either as a GBIC slot or pre-installed with a 1000BASE-SX port). Anything you can recommend? ...

How do I diagnose a bottleneck in an Intel Atom based Ubuntu server?
I have a small media server at home which has software raid and a gigabit link to the rest of my network. For some reason though, I only get ~10MB/s transfers when copying to/from the server. I use software RAID5 (mdadm) over 4 1TB disks. On top of that I then use ...

A gigabit network interface is CPU-limited to 25MB/s. How can I maximize the throughput?
I have a Acer Aspire R1600-U910H with a nForce gigabit network adapter. The maximum TCP throughput of it is about 25MB/s, and apparently it is limited by the single core Intel Atom 230; when the maximum throughput is reached, the CPU usage is about 50%-60%, which corresponds to full utilization c...

Why do I only get 300-400 Mbit/s on my 1000 Mbit/s network?
My setup is like this: Laptop <--> Router <--> Desktop They all support gigabit Ethernet. I'm using the 'iperf' TCP/IP benchmark on the laptop and desktop, and I've never gotten more than 400 Mbit/s raw throughput. The laptop is an Intel Core 2 Duo 2 GHz runn...

Home router for higher network loads
I'm trying to find a replacement for my ASUS WL500GP router. Some constraints: my ISP now provides 120 Mbit bandwidth - the router must be able to handle it I have 3 computers and a laptop at home - the router must have at least 4 LAN ports a...

Will using a 10/100 router stunt gigabit switch speeds for an internal network?
I have a 10/100 Verizon router. 3 computers are connected to this via Ethernet. I'd like to put a gigabit switch between the computers and router to enable gigabit speeds on the intranet. If the machines are still using the 10/100 router as a gateway will this stunt the intranet ...