0
votes
1answer
41 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 ...
1
vote
1answer
979 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 ...
2
votes
1answer
125 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 ...
0
votes
0answers
107 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 ...
27
votes
7answers
1k views

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 ...
1
vote
1answer
159 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 ...
0
votes
1answer
41 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 ...
1
vote
1answer
228 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 ...
6
votes
3answers
966 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 ...
0
votes
2answers
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 ...
0
votes
0answers
40 views

Gigabit card upstream ok but downstream problematic

I have this gigabit ethernet card newly installed: http://www.startech.com/Networking-IO/Adapter-Cards/1-Port-PCI-Express-Gigabit-Ethernet-NIC-Network-Adapter-Card~ST1000SPEX The problem is the ...
2
votes
3answers
248 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 ...
1
vote
2answers
312 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 ...
1
vote
0answers
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. ...
2
votes
1answer
169 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, ...
5
votes
2answers
132 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 ...
3
votes
3answers
2k views

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?
0
votes
2answers
275 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). ...
1
vote
4answers
697 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 ...
2
votes
5answers
3k 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 ...
5
votes
1answer
1k 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 ...
1
vote
1answer
920 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 ...
12
votes
6answers
8k views

Ethernet and networking speeds as “500 Mbps Gigabit”?

I am quite confused with networking and speeds and such. I want to buy something so its throwing Google off - if I type in the keywords I just get websites selling the products I want, not information ...
0
votes
1answer
62 views

About the capacity on play MP4 on Intranet [closed]

I will have DVD quality (assmume 720 × 576) MP4, normally 720M per hour, thats 1638.4bit per seconds On Gigabyte Ethernet, it's 1G bit bandwidth, 1 073 741 824 bit, which in theory 655,360 computers ...
2
votes
1answer
571 views

Configuring a GigabitEthernet interface on a Cisco router

I'm trying to set the ip address of a GigabitEthernet interface on a Cisco MWR 2941 router. I have tried the following: config t interface gigabitethernet0/2 ip address 1.1.1.1 255.255.255.255 ...
1
vote
1answer
468 views

Increase speeds with an unmanaged GBE switch?

I have a network with a dead slow 10/100 router. The router cannot be replaced, and I wish to speed up transfers between two, or possibly three computers on the network. If I plug an unmanaged ...
0
votes
3answers
235 views

How can I get Gigabit network?

I'm using an XFX 750I motherboard and a D-link DWR-112 router to connect to my network. It is showing that it's using 100 Mbps when connected through above mentioned motherboard's Ethernet port. Can ...
5
votes
3answers
568 views

Internet Connection Running At Half Speed With Gigabit Switch

I have fiber internet into my house. When I plug directly into the fiber to Ethernet converter, I easily can pull down at 30 Mbps, as verified from trying speedtest.net. The ethernet jack on the ...
2
votes
2answers
839 views

Does using cat5e cables yield any disadvantages in combination with cat6/cat6a network?

If I were to have a fully compliant cat6 or cat6a network running through my walls... that is to say, wires and jacks... What would be the concequence of plugging a cat5e wire into one of the jacks? ...
0
votes
2answers
1k views

Gigabit switch in front of 100mbit router decrease maximum throughput for connected devices?

I have a router (ASUS WL-500G Premium running a modded Tomato) that has a 100mbps ethernet interface + wifi interface. I added a D-Link 8-port gigabit switch (DGS-1008G) because I want faster transfer ...
3
votes
3answers
3k views

How to make a Gigabit Ethernet crossover cable?

Nowadays, I usually make EIA/TIA-568A crossover cables for Fast Ethernet(10/100 Mbps) networks. On these cables, just 2 of the 4 wire pairs are used to comunications(the 2 remaining could be used for ...
1
vote
3answers
600 views

Can a gigabit switch's performance degrade over time?

I have this Netgear 5-port gigabit switch. You know, one of those rounded white models. Well, it worked well in combination with a Netgear DSL router for a few years. The network topology is ...
2
votes
2answers
891 views

Will two 1000BASE-T devices always run at gigabit speeds when connected to the same 1000BASE-T switch?

Right now I'm running a simple network in my apartment using a wired/wireless router that supports speeds up to 100BASE-T. I've got my desktop, printer, and NAS device connected directly to the router ...
0
votes
2answers
2k views

Change Ethernet adapter speed from 100.0 Mbps to 1.0 Gbps

The stock NIC on my MSI Big Bang Xpower is a Realtek PCIe GBE RTL8111DL adapter. The NIC is reporting a speed of 100.0 Mbps, but the manufacturer's website says it is a Gigabit controller. I read ...
1
vote
2answers
196 views

Is the physical speed with which a single bit travels through copper wire the same with 10Mbit and 10Gbit? [closed]

I was just wondering if a single bit travels with the same physical speed through the same type of wire of a 10 Mbit network as through a 10 Gbit network? As far as I know a single bit has the speed ...
4
votes
2answers
3k views

Should I enable jumbo frame size of 9000 bytes for my NICs?

Should I enable a jumbo frame size of 9000 bytes for my NICs if I am running a gigabit network? Will it increase performance? For this scenario: PC to router to PC, on a gigabit network.
4
votes
2answers
3k views

What can cause auto-negotiation to fail on network?

Imagine you have both computer with a NIC that do gigabit with a router that do gigabit. What can cause auto-negotiation to fail on network ? (with proof if possible)
2
votes
2answers
4k views

Cat5e Network Runs Longer Than 30' Will Not Connect Gigabit

I have three network switches, all gigabit, from DLink and TPLink: 1x 4-port 2x 8-port Connecting to these are 5 laptops and 2 desktops, all with gigabit NICs: 4 Realtek 1 Intel 1 AMD 1 unknown ...
4
votes
3answers
6k views

How do I find out the speed of an Ethernet cable?

During the years I've collected many ethernet cables. I'd like to know the speed of each one (10Mbit / 10BASE-T or 100Mbit / 100BASE-TX or 1000BASE-T). How could I find out the speed of each Ethernet ...
3
votes
1answer
3k views

Can you mix gigabit and 10/100 ethernet on the same network?

I have an Apple Airport Extreme Gigabit router and some new machines I need to put on my network (PS3, Mrs' laptop etc.) but the router has only got four ports so I was thinking of getting a simple, ...
3
votes
1answer
921 views

Speed shows 100.0 Mbps but why not 1.0 Gbps?

I have a very simple setup. A Verizon Fios Actiontec MI424WR going to my Realtek RTL8168C(P)/8111C(P) Family PCI-E Gigabit Ethernet NIC. For some reason my speed is shown as 100.0 Mbps. Why doesn't ...
2
votes
3answers
1k views

Not getting gigbit from a gigabit link?

I just upgraded my LAN to gigabit. This is what netperf has to say about things. Before: marcus@lt:~$ netperf -H 192.168.1.1 TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 ...
2
votes
1answer
4k views

How important is dual-gigabit lan for a super user's home NAS?

Long story short: I'm building my own home server based on Ubuntu with 4 drives in RAID 10. Its primary purpose will be NAS and backup. Would I be making a terrible mistake by building a NAS Server ...
0
votes
1answer
288 views

Network printer in Gigabit network

I'm planning on upgrading my home network from 100base to 1000base, the only device in my network without a gigabit network card is the printer. What are my options? Is there some kind of converter ...
1
vote
1answer
102 views

Performance of multiple port GigE on one PCIe card

I have a Dell T7500 server with 3x Intel Pro 1000 GT cards, simultaneously receiving data streams at or near 1 Gb/s each. This is for a somewhat real-time processing system so I'm looking to maximize ...
0
votes
3answers
381 views

Gigabit Ethernet wiring

I currently have a wired 100 mbps network in my house. The wiring runs around in every room. I was thinking of upgrading to a gigabit network, since most of my comouters and router have gigabit ports. ...
1
vote
3answers
715 views

Problem with Jumbo Frames

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/ ...
1
vote
3answers
1k views

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. ...
2
votes
2answers
5k views

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 ...
1
vote
1answer
174 views

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 ...