Questions tagged [bandwidth]

Bandwidth tag should be used when asking questions about data transfer rates over various data buses or network protocols.

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how to correctly configure squid delay pool

This is my squid.conf delay_pools 1 delay_class 1 1 delay_access 1 allow localnet delay_parameters 1 -1/-1 -1/-1 delay_access 1 deny all I have a single local network and I want a single pool and my ...
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Terrible Windows iperf performance

I'm having a weird issue that's totally stumping me. The performance of 10G ethernet on my Windows computer is poor in the incoming direction from one computer, and exceptionally poor from another. ...
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How to ACCURATELY Measure ACTUAL BANDWIDTH Performance of a Full-Fibre FTTP Broadband Connection

I have an 80MB Down / 20MB UP FTTP broadband connection. I did a an Internet Speed Test and this reported a performance of 43 MB. Review of bandwidth and CPU usage on the router didn't account for the ...
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Would WAN traffic affect LAN traffic?

Say I have a PC and a NAS connected to a router. On the PC I downloaded a file through torrenting. Now I want to both seed the file and locally upload it to my NAS at the same time. Would the two ...
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Internet not working when lower bandwidth is used, works with higher bandwidth

So I will try to explain this as clear as possible. My internet works just fine when I need to use more than 1M/s for example when watching YouTube,(both my phone, for WiFi, and my pc for Ethernet are ...
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Eliminate bandwidth bottlenecks between far-away computers

Our office location (in Karlsruhe, Germany) has fiber-optic internet access with 500MBit/s upload and download speed. This speed is confirmed by e.g. https://www.speedtest.net/ (reaching > 400MBit/...
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For SATA HDDs does write bandwidth grow linearly with the number of drives in parallel?

Consider a Seagate Exos 16TB SATA Hard Disk Drive (HDD) with a write bandwidth of 250 MB/s. If I place 24 of those in a single server, does the write bandwidth grow linearly such that the total write ...
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When is power and bandwidth shared among USB ports?

I’d like to know when power and bandwidth is shared among USB ports on a PC. Let me give an example and please correct me where I may be wrong: I have a PC with 5 USB ports: three are USB 3.0 and two ...
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Can I measure the bandwidth into a USB 3.0 port?

Some background: On a Windows 10 PC, I have three cameras connected to a USB 3.2 Gen 2 hub, which is connected to a USB 3.0 Root Hub on my PC. I am viewing the video streams using OpenCV in Python, ...
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Can DisplayPort 1.2 support 10-bit (8+2FRC) color at 1440p and 144hz?

Generally speaking, I'm trying to determine if a given DisplayPort version will support difference display modes (resolution, refresh, and color depth). For this specific instance, I'm looking at the ...
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Difference in speeds between iperf and broadband speed test

Why would these iperf commands give such slower results to an in browser broadband speed test? I've tried a few different free iperf servers and they all give similar results. I am wondering if I am ...
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How can I mount a remote filesystem with cache-ahead, to get around bandwidth-delay issues?

I have a Plex server in my home that exists to stream video to a friend 10,000 miles away. Despite both of us having 100+ Mbps connections, they're unable to stream 4 Mbps video without frequent ...
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Best WIFI configuration for HG8145V5 (range configuration)?

I'm currently sharing my network with +20 devices, the signal in some places is very poor, the modem is in a high open place, looking at the advanced 2.4G settings I see these options, is there ...
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How long to run iperf3?

For how long should I run an iperf3 throughput test? The default shows 10 seconds. What variables might I want to consider in coming up with a test duration?
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What's the difference between PCI-e size and bandwidth? [duplicate]

There is a note that says : 1x PCI-e x16 slot, running at x4 1x : the number of slots. x16 : the slot size. x4 : ??? I know there are 4 sizes (x1, x4, x8, x16) But also the same numbers for "...
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Transferring a 28GB directory with lftp:mirror was slow and caused 4 TB of bandwidth usage

I'm writing this post in hopes to learn what I did wrong. Linux isn't my forte, but I am comfortable with it and do read the man pages when I don't remember how to perform a task. Hopefully someone ...
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can be with different networks ( 5G + Landline) two devices download a same torrent to same location to increasing speed download?

does it work if two devices download the same torrent to the same location but with different networks ( 5G + Landline)? So do u think that can be better speed than (Because of increasing bandwidth?
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Internet freezes ended by opening task manager on Windows 10

I have observed a peculiar problem with my internet connection/the operating system. Because we are building a home and I am at the construction site very often and for long, I have taken my Windows ...
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Do apps in focus get more network bandwidth on Windows 10?

When downloading large files in the background with a Download Manager, I noticed that whenever I switch to focus the download tab, the speed would increase often by ~1 MBps. My internet speed is ...
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PCIe Bottleneck and or Slot Issue?

I have a Supermicro AS-1114S-WN10RT with an AMD 7302, 16 core processor, 254 GB DDR4 3200 ECC RAM, striping data to 6 Micron Pro 9300 15 TB RAID 0 drives located in bays 0 & 1 (D:), 4 & 5 (E:),...
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Avoiding packet loss on a 800+ Mpbs data stream

At the highest level of abstraction, I am trying to send 800 Mbit/s from a hardware instrument to a 'normal windows computer' over a dedicated ethernet connection. But if I do so, I experience ...
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What's the minimum upstream bandwidth required for ACK packets in a TCP connection?

Consumer internet connections often feature asymmetrical bandwidth with just 10% of even 5% of upstream speed compared to downstream, for example 1000MBit/s downstream with 50MBit/s upstream speeds. I ...
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Monitor used USB bandwidth in Win10

There are a lot of threads here about monitoring usb bandwidth, however none of them helped me, so that I post my problem here (device manager doesn't show me the usb bandwidth...): I have a Lenovo ...
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scp remote to remote through local bandwidth limit

I have two remote hosts, I need to transfer files from one to another. They don't have routing between each other, so I have to transfer it through local machine, that routes to both. I can use scp -i ...
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Windows 10 priotize program in bandwidth usage over windows updates

there are many questions on different forums asking whether one could turn off automatic Windows updates etc. But I want my Windows to automatically download Updates etc. What I don't want is these ...
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Why use half duplex at all?

I know what full and half duplex is, but in all respects full duplex has more advantages, so why use half duplex at all, in other words: In full duplex connection , the bandwidth doubles and collision ...
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Mikrotik drop in bandwidth speed

When I connect my laptop directly to my modem and run a speed test I get the proper 500Mb/s speed. However, when I connect my laptop to my RB750Gr3 (which is connected to the modem) my internet speed ...
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Should I buy a switch or a new router to make use of all the bandwidth I am paying for at home?

This is my current network configuration, with the <- bandwith each device is receiving: - ISP modem-router offering 300 Mbps both by ethernet or WiFi <- 300 - TV (wired) <- 300 - ...
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How to limit inbound SMB bandwidth?

Prologue: This is not a duplicate question. There are many questions and answers about that subject, but I haven't found a single one which deals with inbound traffic and provides a reasonable answer. ...
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throttling bandwidth for a specific app

I only use slack in linux for chats and messages, not for calls. Yet, I see it eating my network bandwidth to a crazy level for past few days. It may be having something in the background or maybe it'...
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Monitor USB device bandwidth usage

I bought a HDMI capture card that is plugged in with USB 3.0. (Elgato HD60S) I would like to know how much data is put through that USB connection. For example when transferring data to external hard ...
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Disabling WMM causes Wi-Fi Speeds to drop to 14Mbps

So due to certain problems with my Android Device I decided to disable WMM in my router settings (which fixes the problem) But after disabled the total speed of the Wi-Fi is reduced to a extremely low ...
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Do devices on the LAN side and WAN side of a router adjust to a slow connection?

I use a Wireless ISP in a rural area and am curious why some incoming or outgoing traffic overloads my Internet connection. For example, if my iPhone has Background Refresh enabled it causes a ...
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QOS and home networking, packet prioritization

I recently had a phone call with a tech rep over at Thinkorswim (a stock trading platform) who, after looking at my app usage, said that Thinkorswim was low on the QOS ladder and therefore could be ...
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Netflix bandiwth usage changes when using router and hotspot

I came across a strange situation at a friend's home. She has a Samsung smart-tv with Netflix on it, which connects to the Internet with a 4G router through WiFi. In this setup the bandwidth is as ...
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Can you suffer bufferbloat when using only 1/4th of your bandwidth?

As the title suggests, is it possible to have bufferbloat without hitting your max download or upload speeds (on Ethernet)? I have recently moved into a new house and asked for the internet to be ...
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IPv6 consistently slower on my network

This is more of a theoretical question than a practical one, but my ISP gives me a dynamic IPv4 address and a /56 IPv6 prefix. When running bandwidth checking tools, I see that I consistently get a 2-...
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What is “inetinfo.exe” and how can I disable it permanently?

I am currently using Windows 7. A process named inetinfo.exe is slowing down my laptop. It is eating all my bandwidth and I can not use my bandwidth at other activities which are important to me, ...
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What's the maximum typical speed possible with 802.11n WiFi for local network file transfer?

I know that: the theoritical limit of 802.11n Wifi is 450 Mbps in the 5Ghz band (that I use), the router reports a 450 Mbps speed (using nirsoft's great tool WifiInfoView) Windows reports a 300 ...
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Adding both Delay + Bandwidth restrictions via TC

I'm trying to set both delay + bandwidth to tc. However I can't add two rules without running into. Error: Exclusivity flag on, cannot modify. I want both: tc qdisc add dev enp5s0f0 root tbf rate ...
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Recommended 10Gb NIC in PCIe 4.0 1x slot? [duplicate]

I've been trying to figure this out for some time, and lots of googling has seen lots of discussion but no actual answers that I can find. I'm the happy owner of an AMD Ryzen system on an ASUS TUF ...
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How to reduce Zoom meeting data consumption on Windows 10 PC?

My internet bandwidth consumption is approaching the ISP cap. I checked bandwidth consumption and found that by far the heaviest user is a laptop (laptop A) used for ZOOM meeting (school), using 13GB ...
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3 votes
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If everybody uses the 5GHz WiFi band, won't it have the same issues as the 2.4GHz band?

Recently, I've had many issues with my home WiFi connection. I purchased a WiFi extender that works only in the 2.4GHz frequency, only to realize that the 2.4GHz band in my house is extremely slow ...
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Single band wifi extender with dedicated backhual channel, without halving user bandwidth?

I am trying to understand how wifi and wifi extender works on a super high level. Some wifi extenders (such as Netgear Orbi) are advertised with tri-band, and saying a dedicated band is used for ...
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Optimum usage ratio for broadband [closed]

A headteacher I friend has asked my advice regarding how to optimise broadband usage in anticipation of another covid lockdown.The current speed is about 100GB and at peak usage there are about 200 ...
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What is the speed and detail operation when several devices do a Speedtest in an MU-MIMO router simultaneously?

I have read a lot of articles that try to explain how MU-MIMO works, but I still can't figure out how the below picture works. It shows that MU-MIMO Wi-Fi allows every device to have an ISP speed ...
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Converting pice 3.0 x24 slot to pcie 4.0 x16, possible?

This is for a high bandwidth ssd. I know I can plug the pcie 4.0 card into a pcie 3.0 x16 port directly, but then I would be stuck at the bandwidth of pice 3.0 x16 which wouldn t be able to exploit ...
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RT-AC88U bandwidth limiter affect device that's not in the list

I set an Android phone to have a bandwidth limit of up\down 10Mbps in Asus RT-AC88U. Apparently this setting affect the bandwidth of a wired connected laptop. The laptop is not even in the bandwidth ...
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Why does LetsEncrypt consume so much bandwidth

I was looking at my traffic patterns for my home network. Below is a screenshot my bandwidth for various destinations in the past 30mins as seen on my EdgeOS dashboard. Why is Lets Encrypt's ingress/...
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How do I detect network traffic, and dynamically throttle a server's connection?

I have a Raspberry Pi running a computer program that requires a lot of network bandwidth. In order to prevent the Raspberry Pi from using up all of our bandwidth provided by the ISP, I want to ...
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