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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DIY Cat 6 Cable has gigabit speed on some devices

I made a DIY Cat 6 ethernet cable using Cat 6 23 AWG Solid Core cable & an RJ45 pass through connector that is known to work on a 23 AWG Solid Core cable. Situation: I noticed today that my DIY ...
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Multiple NIC on the same computer: the traffic on a NIC causes delay on the other NIC

I have a 1GB pci-express NIC peer-to-peer connected to an ethernet video camera. When there is ethernet traffic on the other integrated NIC (for example during a 4k streaming video from youtube), ...
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Home network setup is 100mbps or 1gbps depending on topology

I'll start with the topology, since changes to it will make the problem apparent: This is the setup as it is supposed to be. I noticed recently at desktop_NBD that the speed seems to be limited to ...
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Is PPPoE suboptimal in Windows 10?

I've had a conversation with a technician from my ISP, where I complained that my 1 Gbps connection only goes up to 500-600 Mbps at most. I was told that the limitation is in Windows 10, specifically ...
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Internet running slower on one PC in household after internet went down one night

Earlier this week internet went down for a few hours, likely due to a storm. After it came back up, found my PC frozen, which isn't common. After restarting, internet speed seems to be slow but in a ...
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Can Ethernet interleave multiple packets at the same time on the same link?

Can Ethernet interleave multiple packets at the same time on the same link ?
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Internet doesn't work on Wifi but works via Ethernet on laptop

Internet doesn't work on Any Wifi connected by Ethernet cable but if same cable is connected to Laptop I get internet connection. Here is the detailed explanation. I have one TPLink Router (Main), I ...
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How do I fix videos not loading when I have high internet speeds?

For the past 2 to 3 weeks I cannot watch videos on the internet on my computer. Whether its YouTube, Netflix, or even loading the videos on Pinterest. I downloaded Cloudflare's 1.1.1.1 and that seemed ...
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Laptop not detected when setting up a LAN connection for file transfer between two laptops

I have two laptops that I am trying to transfer files between. Currently, one of my only means of doing so is through an ethernet cable. Let's say I name the two devices device A and device B. Device ...
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Unplugging and pluging in ethernet cable restores lost connection

This issue has left me and ISP engineers baffled! Last week I had my fibre connection installed by zzoomm in England! They installed a ADTRAN SDX622v as ONT Which has a 10Gbps Ethernet port and it ...
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Connecting GigabitEthernet port to FastEthernet, no speed reduce?

I was reading this question. The top answer said: Gigabit or 100Mbit (or 10Mbit) will be decided on a link-by-link basis, and it is possible to mix the two within a network. Each router/switch should ...
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Can 1000Base-T Ethernet be connected to 100Base-T Ethernet?

I want to connect 1000Base-T Ethernet to 100Base-TX Ethernet. 1000Base-T MDI lines have 8 signals whereas 100Base-TX has 4 signals. Does this create any problem if I connect both of them or auto-...
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TP-Link TG-3468 ethernet adapter limits my connection speed to 100Mbps

I have 200Mbps speed connection, but the motherboard ethernet port doesn't allow more than 100Mbps. I bought the TP-Link TG-3468 ethernet adapter, but it still limiting my connection. In network ...
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Unable to get Realtek NIC running at 1Gbps

I have a Realtek Gaming GbE Family Controller. I've just upgraded all cabling to Cat 6. I've set 1.0 Gbps Full Duplex in the Controller Properties (from Auto Negotiation), and I've got into my router ...
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Realtek Gaming GbE Family Controller not working

I am currently on Windows 10 19043.1415 build. After the latest update of Windows, my Ethernet driver(Realtek Gaming GbE Family Controller 10.54.1111.2021) suddenly stopped working. I tried recovering ...
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DIY Cat6 cables only giving 100Mbps instead of 1Gbps

I've made my own ethernet runs in the past and they've always worked great. I needed to make some more so I got some cable, some RJ45 connectors and a crimper. No matter what I do I can't get the ...
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Internet speed capped at 100 mbits on Realtek PCIe Family Controller, until I manually replug the cable

Basically, until I unplug and plug back my cable, I'm stuck at a 100 mbit connection. Replugging it fixes the issue, but I'd hate to do this every time I start up my computer. Could someone please ...
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How to connect to 3 devices on the same subnet with a network adapter card

I have assembled 1 PC with Ubuntu version 20.04.3.LTS. That PC needs to be used to connect to 3 cameras which are sending their data via an ethernet connection using TCP protocol for configuration and ...
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Changing Intel X710 fiber NIC speed

I have a optical X710 NIC which runs in 10,000Mb/s speed (SFP+). I use ethtool to show its capabilities: ethtool enp1s0f0 Settings for enp1s0f0: Supported ports: [ FIBRE ] Supported link modes:...
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Why don't some of my devices connect to internet and yet some don't?

So I have run 4 wire ethernet throughout my house and I can't connect to the internet on my ps4 and some other devices on the socket in my main room but am able to do so through my laptop. Is it ...
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LAN with a slow router and a fast layer 2 switch: why does the router affect the ethernet speeds?

Here's my LAN layout: [Laptop (Windows 10)] [Raspberry Pi (Ubuntu)] \ / (Layer 2 Switch) | (Wireless router w/ gigabit LAN) ...
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Fast wired network in a large building

As everyone knows, ethernet wiring is faster than any WiFi and more secure to boot. Using Cat 8 ethernet cabling can currently provide the best networking speeds where the switches and router can take ...
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How to figure out which cat6 config is being used?

In true builder fashion I am left to terminate the cat 6 cables wired throughout my new house. I opened the cat6 wall plug to see what order they used so I can match it in the basement...and I have no ...
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Home network, strange cable issue

I'm encountering a strange issue when crimping connectors to my Cat6 cable. To save time I have done the same on a 1 m length to try and solve the issue I'm having with the cable routed through the ...
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Can I plug my modem to an ethernet switch for my router to use?

I am trying to increase my upload speed, but I am currently using the Belkin N600DB as a router (no gigabit ethernet). I would have preferred to buy a better router altogether, but for some reason my ...
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Cat6 cabling faulty? Any way I can salvage this?

I got cat6 cables set-up with my house when it was built. Everything seems to be working fine, until last week when I tried for the first time one of the last RJ45 wall sockets I was yet to use. I ...
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What could cause this ethernet slowdown pattern?

I have a home network (used for teaching, home business, video conferencing and streaming, etc. throughout this year). In July 2020 I had Verizon FIOS installed with 200 Mbps up/down speed and a new ...
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Ethernet wall socket stack to 100 mbps

I'm living in a recently built apartment in Germany. There are many ethernet wall socket in each room. When connected my Macbook to the router directly with a cat 5e cable I can get around 800 mbps ...
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Homemade Cat6 ethernet not working when PoE is in use

I've just crimped together a couple of CAT6 Ethernet cables. The cables are about 20 meters long each. They are shielded and so are the connectors. They run along each other from one room to the ...
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Gigabit Ethernet full-duplex is actually 2Gbit/sec counting both ways?

My understanding is that gigabit Ethernet over twisted pair, 1000Base-T, is full-duplex by default. Does that mean that the actual bandwidth, can be 1 Gbit/sec in each way simultaneously, hence 2 Gbit/...
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The internet download speed drops to <20 Mbp/s randomly

A few months ago I started noticing internet speed drops, to a point that the internet is almost unusable (sometimes around 10Mbps or 5Mbps, very rarely it drops to 120Mbps). Running a speedtest ...
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100MBps instead of 1000MBps (ethernet)

[my network card specifications] 2recently I bought a netgear PL1000 ethernet adapter. It has a maximum download speed of 1000Mbps. However I only get around 50Mbps in a internetspeed test. You can ...
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connect gigabit eth switch to 802.11ac network

I have a wireless router (802.11ac) for internet access which I use directly to connect to with my WLAN devices. I also have small LAN on a gigabit switch. How do I connect the switch to the wireless ...
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gigabit lan setup NOT gettig optimal speed

I have a LAN router from vendor which has 4 ports all ports are connected to machines static ip is mapped to 1 of the machines but static machine is routing traffic to other machines via the same ...
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Realtek 8111 LAN not working properly stuck on 10mbps

I've opened a MSI support query to the staff but I also wanna ask in this forum too just in case someone can save me. The problem I have is that I've got a Cat 5E ethernet cable plugged into a gigabit ...
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Intel Enternet adapter l218-LM cannot reach 1Gbit speed

I have a router technicolor DGA223. The router works at 1Gbit/s capacity, and other computers connecting in a wired cable to the router have 1Gbit/s speed. Using the same wired cable and router port ...
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What can cause the network connection to degradate from 1 Gbps to 100 Mbps

I have a home network with a gigabit router, 2 PCs with Windows and a NAS from Synology. All are connected to the router via ethernet cable. When i bought the NAS, i was able to transfer data with a ...
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Use raspberry pi 3 as network switch?

I own a raspberry pi 3 with integrated wifi and I have several computers I would like to connect with ethernet cables for gigabit file transfers. Unfortunately the home's router is located on a ...
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10 Gb network card connection

I have just bought the intel X540T2 shown below and when I opened my machine I am not sure if I can plug it in any of the available PCIe slots shown below? If anyone could please advise
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Slow network connection maybe caused by wiring

So today I got my new router and thus my new internet(1000mbit/s down - 50mbit/s up). The networking from my router to my computer is as follows: Router -> Cat5e -> TL-PA8030P -> electrical wiring -> ...
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DL185 G5 poor Ethernet lan speed

I picked up this server for like $20 and just using it for my homelab setup. The problem is that the ethernet speeds are peaking at 8MB/s on the LAN and even worse to the internet down to like 5MB/s. ...
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Gigabit lan has slow speeds

So I am trying to setup gigabit lan and be able to transfer files across computers at over 100 MB/s. But I can only achieve 20-25 MB/s. My setup is the following: - Two machines: a brand new laptop ...
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Why is my laptop (Debian 10) only connecting with 100Mbit/s instead of Gigabit?

My laptop (Thinkpad T450s) with Debian 10 only connects with 100Mbit/s instead of Gigabit through ethernet, although the network card should be capable of Gigabit LAN (see #2 below). I tried a machine ...
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Best Gigabit Router Config

There was a question that I posted here [https://networkengineering.stackexchange.com/questions/65695/lan-speed-150-200-mbps-but-wifi-speed-is-5mbps-to-80-mbps] , which was off-topic. Hence I found ...
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Desktop and laptop network speed difference

I have desktop with Win 10 connected to 1 Gbps router via Ethernet, the link is full 1 Gbps (in ncpa.cpl). Also I have old laptop (Lenovo Y500) with the same networking configuration (NICs surely ...
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Gigabit Ethernet Switch Issues

We have some 10/100 Ethernet devices with intermittent power-up connectivity loss when connected a various Gibabit Ethernet switches. We have tried multiple identical devices, with the same results. ...
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Why doesn't my USB Ethernet card ASIX by V.TOP give me 1 Gbps?

My router (Technicolor DGA2232) supports 1 Gbps LAN. I've confirmed this by being able to connect to it via WiFi in speeds close to that. However, when using V.TOP INDUSTRY LIMITED's 3 Ports USB 3.0, ...
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Optimize Performance of Google WiFi and CenturyLink 1Gbps Fiber

I had Google Wifi and it really works well. A few months ago I switched to CenturyLink 1Gbps Fiber service and overall I have been very satisfied with that as well. I have seen other posts of serious ...
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Inconsistent gigabit LAN speeds

I have two Windows 10 machines connected to my LAN. I have a gigabit unmanaged switch as the hub for my LAN. I looked around online and found Disabling "TCP Auto-Tuning" which didn't help. I then ...
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Does it make sense to share 10G Lan between 2 RJ-45 ports?

Observing TRX40 Motherboards for upcoming Threadripper 3000 series. So, see 2 mobos i like mostly. Gigabyte TRX40-AORUS-XTREME Gigabyte TRX40 DESIGNARE (rev. 1.0) First one has this in LAN part of ...
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