Questions tagged [gigabit-ethernet]

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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25 views

Can I use a switch to send high-bandwidth signals from multiple 100Mbps nodes to one central 1000Mbps node?

I want to stream video (compressed, ~20Mbps) from at least six raspberry pi zeros, each of which has a 10/100 USB ethernet adaptor, to a central PC with a 10/100/1000 port. All of the nodes will be ...
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How does the “Gigabit” bandwidth limit apply in an ethernet network?

Edit: it seems I either misunderstood or was misled by this article, which seems to imply that a 10 Gbps switch is required to make good use of a dozen nodes with gigabit ports. With the clarification ...
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81 views

Gigabit lan not going past 140mbs outside sandbox vm

sorry for the bad English. I have a gigabit connection (940mb day1 700mb tested with my laptop port today) my motherboard is an MSI z170 gaming m5, the LAN port is e2400 Atheros killer, the cable is ...
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100 views

New W10 build giving ~105 Mbps speeds with Full Gigabit hardware and 1 Gbps internet package

I have a bizarre issue. Windows Device Manager shows Auto Negotiation is enabled. Windows Network Status shows 1.0 Gbps Full Duplex. This is where it gets funky though. I just reinstalled Windows ...
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1answer
60 views

Direct PC-PC interconnection, parallel to main network

My network is as follows: Wifi-Router + DSL Modem, both in one device several devices that use wi-fi, irrelevant for the question PC A, connected to router via ethernet cable PC B, connected to ...
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1answer
38 views

Termination of CAT7A cable with CAT8 Keystone RJ45 connectors

I'm reconstructing our home and I'm thinking to upgrade the network. A part from the computer network I want to run some smart home applications and connect sensors over the network wires with PoE. As ...
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1answer
76 views

100mbps speed on a gigabit switch

Disclamer: I'm a total network noob. I'm setting up a home network. I have a small cheap gigabit switch (D-Link dlinkgo GO-SW-8G). I've placed it in a central(ish) location in my apartment and have ...
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1answer
30 views

Slow ethernet, despite GbE hardware: Searching for causes

I am having issues with slow network speeds in my home network between 2 boxes. Here are the specs: Box1: ASRock H97 Performance, Manjaro Box2: ASRock FM2A78M-ITX+, Debian 9 Switch: Netgear GS305v2 ...
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0answers
19 views

Intermittent domestic cat6 cable perfomance

Background I recently had an electrician run a cat6 ethernet cable through the walls of my house. It is terminated with standard cat6 faceplates, the cable is shielded and the shield is earthed. It ...
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117 views

How can an ethernet link pointing to a LAN go down, up, down, up… every couple of minutes?

Since yesterday evening I've had the following issue with my (home-brewn) Linux (OpenSuSE Leap 15.0) home server: One of its two on-board ethernet links keeps going down, then up, then down again,… ...
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56 views

Why does my machine only get 180Mbps on a Gigabit ethernet network?

I have a network topology similar to the diagram below: My PC was a custom build, by a company that does custom PC's. It s/has/had top of the line components for the most part. My PC would be PC 1 in ...
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0answers
42 views

Poor network throughput, but double under high cpu load

I'm trying to understand a counter-intuitive phenomenon where I get only ~ 400 Mbit/s through a gigabit connection when the CPU is idle, but ~ 850 Mbit/s when the CPU is under full load (stress test ...
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1answer
34 views

How am i getting 12Mbps speed internet on a 10baseT Ethernet?

I've opted for an internet connection of 12Mbps, I still do get both 12 up and down, but my isp has plugged a 10baseT wire and I've learned that max speed on ethernet to the base of twisted pair is ...
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1answer
129 views

Data transfer rate with Gigabit NIC and Switch over Cat-6 cable

I have 2 machines connected over Gigabit NIC with CAT-6 cable through a Gigabit switch. One machine is running Windows 10 and the other running Hyper-V Standalone Server 2016. While I was transferring ...
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99 views

Why is one of my devices getting gigabit internet speed but not the other if they both support it?

Today I got Fios gigabit internet. My desktop PC that has a MSI 970A-G43 Motherboard which I think is supposed to support up to 1000Mbps but I'm only getting around 300-400Mbps download and 600Mbps ...
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1answer
64 views

Gigabit Ethernet not working between two computers

I have two Linux PCs A and B connected: PC A (Qualcomm Atheros Killer E220x Gigabit Ethernet Controller (rev 13)) is configured for method "Shared to other computers" in the IPv4 tab of the KDE ...
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1answer
422 views

Types of Ethernet Link Modes from ethtool [closed]

What's the difference between the following link modes when we run ethtool: Supported link modes Advertised link modes Link partner advertised link modes There is a similar output from mii-tool: ...
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1answer
36 views

Mixed Gigabit And Non-Gigabit Devices

Suppose Say I have a Wifi Router which Has DHCP enabled in its LAN ports. Its LAN max Speed Is 450Mbps I have an Unmanaged Switch Which Has 5 Gigabit Ethernet Port. And I have a Desktop and a NAS ...
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1answer
62 views

5-pair UTP and Gigabit Ethernet

My house has a 5 pair twisted pair copper wire running. The cable reads "Pony 0.6mm X 5 pairs." Currently, I have a 100TX switch and I'm getting a throughput of around 70mpbs. I am considering ...
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1answer
45 views

What causes half downstream speed on gigabit interface?

I have 2 computers, one is a Win 10 desktop, the other is a Win 7 Dell laptop. Both have an Intel gigabit network interface. The internet is symmetric gigabit. On dekstop, I measure 500/900-ish speeds,...
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2answers
234 views

Can gigabit ethernet theoretically be faster than 10/100 megabit ethernet for a lot of small packets?

A software vendor I work with requires gigabit ethernet connections for a classical client-server software setup. To my surprised question why they would need to transfer such a large amount of data ...
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1answer
309 views

Slow file transfers between home server and PC over ethernet

I have an HP Proliant DL385 G5p server which I use to host a personal Debian 9 fileserver via a VM on a hypervisor. This VM has its own 1Gb/s ethernet connection to a switch of the same speed, which ...
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0answers
38 views

Cannot set speed of USB adapter

SO, I have a USB 3 to Gigabit Ethernet adapter, When I try to change speed and duplex of this interface ethtool -s eth1 speed 1000 duplex full autoneg on I get: Cannot get current device settings:...
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1k views

Performance of “Mini Gigabit Ethernet” port

I've noticed that various laptop series, such as the ThinkPad P1 series, have "Mini Gigabit Ethernet" ports instead of the standard Gigabit Ethernet ports. Are there any significant differences ...
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89 views

Data Transfer Pausing to 0bytes/s and then going back up

I have these two MNPA19-XTR MELLANOX 10GB ETHERNET NETWORK INTERFACE CARD My two Servers 1. Dell PowerEdge R900 2. Dell PowerEdge T300 i am copying data from R900 to T300 These two servers are ...
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1answer
886 views

Network Card speed stuck at 100 Mb/s

I have recently upgraded my Internet connection with my ISP (Movistar, Spain) and now I have a 600 Mbps one. My Windows 10 computer (has a Gigabyte GA-Z87P-D3 motherboard) is capable of running a ...
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1answer
198 views

Ethernet throughput bottlenecks

I'm trying to figure out the bottlenecks of a typical wired network. In my case, the network is closed off where I have many single board computers communicating to my laptop via a switch. I'm using a ...
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4answers
121 views

does data transfer in copper media really just happen by changing voltage?

As I understand this graphic: 1 is represented by a voltage of 3 and 0 by a voltage of 0. As I can imagine, only one voltage is possible at a time on a cable (So you cannot have 2 voltage and 3 ...
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3answers
1k views

How do 100Mbit and Gigabit Ethernet Cards coexist?

In the past I used a consumer grade Gigabit Switch and had 100MBit as well as Gigabit cards connected to it. Some of my Gigabit cards were prone to "drop" the Ethernet connection and "reconnect" with ...
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2answers
277 views

Adding 10/100 router to a gigabit router to handle non-gigabit devices

I have a wireless router with Gigabit LAN. My Desktop, NAS and laptop have a gigabit LAN. All are currently communicating at a gigabit speed. However, my gigabit router has only 4 ports. I need to add ...
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105 views

How to get 1 Gbps on laptop?

So I have AU114TX, which has a 10/100 Base T. In my college, I get only 100 Mbps at max, where my fellow friends get 700 Mbps. But I do have a USB 3.0 port. So will buying a USB 3.0 to Ethernet ...
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41 views

Autonegotiated link speed different between devices using exact same cable

looked far and wide on the internet but could not find a solution to this totally ridiculous networking issue I'm having. Using an all-wired system with a Pace 5268ac with Gigabit internet from AT&...
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1answer
301 views

Intercom over ethernet

Can I use an ethernet cable to connect an intercom. I already have a used gigabit ethernet cable to the specific rooms, so would like to know which two of the wires I could use.
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1answer
177 views

Two gigabit switches show 100BT and 1000BT one opposite ends of the cable

Two gigabit switches of identical brand and model (D-Link GO-SW-8G 8-Port) are connected. This model shows a green LED light in gigabit mode, orange in 100 mode. The two switches connected with the ...
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1answer
4k views

Realtek gbe family controller throttled at 100mbps

I recently sent my laptop to service and I believe they changed the motherboard. Before that I could get 1000mbps, but now the connection is stuck at 100mbps as you can see in the screenshot: The ...
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1answer
833 views

How to use 2 WiFi adapters Win8.1 & Win10, or best alternative

In an attempt to "cut the cord" - reduce the tangle of cables, plus take advantage of higher speeds, I am attempting to use two WiFi cards at the same time on a Win8.1 laptop and a Win10 laptop. The ...
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1answer
28 views

Is the Ethernet port on mother board of my desktop dead?

The desktop was switched on and it was raining while I fell asleep. I got up instantly after hearing a loud thunder and lightening. I did hear few spiking sound within the cabinet and In a fear I ...
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1answer
162 views

can a secondary router do gigabit if primary router is 100mbps only?

Easy question for people that know about Ethernet and routers... I have a router that connects to my internet with 100mbps ports only. I want to plug in a gigabit router to one of its ethernet ports....
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707 views

Connect two ethernet sockets to each other

I have an ethernet wall socket that has two ports, looks pretty much like this: My router feeds the left port (from the back), and I have another computer which is connected to the right port, and I ...
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1answer
96 views

300 Mbit/s network connection via 150 meter radio/wlan or 300 meter cable

I am searching for a possibility to send 300 Mbit/s net (as opposed to gross) over a distance of 150 meters. Are there any technologies available for private households and reasonable price? I would ...
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2answers
3k views

Can't reach 1Gbps using 20m of cat5e cable

I have installed a rather long, about 20m, cat5e cable linking my VDSL modem to the rest of the network, and used female, surface-mounted RJ45 connectors also rated for cat5e. The reason is I have a ...
2
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1answer
314 views

Network Speed on Linux NAS underperforming, how to debug (it's not the cables)

before posting this I read many threads/pages/blogs about networks speeds underperforming the specs. So I bought new CAT6 UTP cables and tested between every device on my network. I now get ...
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1answer
154 views

Slow transfer speed using ftpes SOC to PC

The problem: I am getting only ~30MB/s on a gigabit network transferring files from an external enclosure connected to my SOC to my PCs SSD. I would have assumed a higher speed transfer. I am using ...
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2answers
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What is gigabit in networking? [closed]

What exactly is gigabit and do I really need it? Here are some points in which I would like to know: What is a gigabit router? What is gigabit Ethernet? What is gigabit Internet?
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349 views

Home HDD Storage - Internal (SATA) vs. External (Gigabit)

I've been considering setting up a fileserver for my home storage. Would an external HDD setup at Gigabit speeds be slower then just staying with internally installed, SATA III-speed drives in my ...
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2answers
455 views

GIGABYTE GA-Z170X-Gaming 3 Ram Issue

I just built a machine and can only get this mobo to boot with one stick of ram from this kit. Corsair Vengeance LPX 64GB DDR4 DRAM 2666MHz C16 Memory Kit for DDR4 Systems
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1answer
107 views

What is this network device?

Context: In a quest to convert my home from 100Mbps to gigabit, I encountered this device. Cables from the wall are coming in, Ethernet cable going out. As far as I understand, this device converts ...
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2answers
14k views

How to fix Ethernet speed being stuck at 10 Mbit in Win10?

I have a gigabit router (TP-LINK C9) and a on board network card supporting gigabit (Intel 82567lf gigabit), yet when I plug in the network cable, all I see is 10 Mbit connection. How do I set the ...
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1answer
968 views

How to get Gigabit wifi connection in my house?

So, I have switched to a gigabit internet connection at my house. Through the internet provider's modem, I consistently get between 800-950 Mbps when I check. But, through the wifi on the internet ...
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0answers
188 views

Do I need a Gigabit router with a 95Mbps download and 95Mbps upload speed for my broadband connection?

My Speedtest results are here: I have planned to connect my Laptop ethernet port to the router through a cable, and use other mobile devices using 802.11ac standard. My laptop Eethernet port is ...