All Questions
804 questions
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What would be the proper way to connect multiple switches/router to buildings and manage each nodes bandwidth?
We have 3 buildings with a rudimentary network, a main building and 2 others (the main is connected to the other buildings via an outdoor electric junction box).
We're using Starlink at the main ...
- 101
3
votes
2
answers
1k
views
How to estimate the latency of communication?
I am running an application that involves many rounds of communication. For example, there are 30 rounds, and each round transmits approximately 0.1 MB of data. I have set the bandwidth to around 50 ...
- 41
-1
votes
1
answer
43
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Do i need to pay to my ISP every digital asset someone download from my server? [closed]
I have searched a lot and haven't found a concrete answer on the subject, i want to build a personal webpage and upload there my digital work (projects), that being games, game assets, software tools ...
-2
votes
2
answers
59
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i am not able to print sum of two columns from a live stream of data using awk
so i am trying to monitor how much bandwidth get used by transmission while torrenting. I searched and find an utility nethogs.if i run
sudo netogs -t | grep transmission-gtk
i get
transmission-gtk/...
0
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0
answers
37
views
How can I reliably test the bandwidth through proxychains?
I run my proxychains through a modified SOCKS proxy, although that’s probably not relevant.
But I’ve been struggling to find a reliable way to test the upload/download speed through my proxychains.
...
0
votes
1
answer
63
views
calculating bandwidth in computer network
usually the bandwidth in computer network is calculated as the difference between the upper frequency and the lower frequency. This difference can be the same for several ranges. for eg. 65 Mhz - 60 ...
- 1
0
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0
answers
88
views
Is there a way to reserve bandwidth for ssh on linux / debian?
I ssh into my dev machine, and then start a download, for instance "ollama pull llama3"
This uses all of the available bandwidth for the network interface, which makes ssh unresponsive until ...
- 1
1
vote
0
answers
31
views
WIFI drops out when running anything intensive
Running windows 11. I have a fairly new pc <1 year old and for the last few months I've had this issue where the moment I start running anything computationally intensive, whether it's installing a ...
- 11
0
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0
answers
32
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Find source of bandwidth cap
Good day!
There is a group of Ubuntu 22.04 LTS workstations at work that me and my coworker use to run different kinds of jobs. Both me and another coworker are sudoers on the machines, and we are ...
11
votes
2
answers
3k
views
Can I leave my bandwidth higher than it actually is?
When setting up my internet connection, my router asks for the upstream and downstream bandwidth. What does this really do?
Is this only for limiting bandwidth to proritze between networks? So if you ...
- 113
0
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0
answers
50
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Check Max Thunderbolt 3 Speed
How do I check the bandwidth (max Gbps) of my Thunderbolt 3 port? I'm trying to see if it can handle supporting 4 additional monitors with my Wavlink docking station (so that I can get either 1080p/...
- 1
0
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0
answers
28
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Diagnosing connectivity/bandwidth issues in multi-level virtual infrastructure
Core Question
How can I both maintain internet connectivity in the L0 Host while also establishing a stable connection in the L2 Client with enough bandwidth to support video conferencing? How can I ...
- 101
1
vote
0
answers
496
views
Windows Store downloads are severerely rate limited - why?
Windows Store downloads are severely rate limited on my Windows 11 (10.0.22631.3085 23H2) computer and I can't figure out why (nor can our IT guys). What could be causing it?
The download rate is ...
- 10.8k
0
votes
0
answers
335
views
Will plugging a USB device into a higher standard port improve data transfer rates if the max rate of the original port wasn't being reached?
I have an external USB 3.2 gen 2 SSD that I plug into a front USB 3.0 port on my PC. Let's say that when copying files I get an average transfer speed of less than 200 MB/s.
(lower than both the ...
- 357
0
votes
0
answers
171
views
Qbittorrent hogging bandwith even with limits and QoS
I changed ISP a while ago and since then qbittorrent has been hogging all my bandwidth whenever its used and all other devices lose internet.
I have a 500MB d/l and 50MB u/l from my ISP which is twice ...
- 1
1
vote
1
answer
2k
views
Expected results of a stream memory bandwidth benchmark
I recently built a Threadripper system and ran the stream memory bandwidth benchmark on it. The results are much lower than the theoretical bandwidth of the system, and I am not sure if these transfer ...
- 15
2
votes
1
answer
969
views
Downloading is using all my bandwidth, preventing any other apps connecting to the internet. Why?
This is new. I've been in many locations with many ISPs, i'm even certain this was not the case prior to the past 3-4months on the same ISP i moved into the current property with.
I used to be able to ...
1
vote
0
answers
94
views
How to make RAID-1 (almost) full bandwidth when processing the sequential write/read?
When I read OSTEP chapter 38 about RAID, it says in p10:
The 1/2 penalty assumes a naive read/write pattern for mirroring; a more sophisticated
approach that issued large I/O requests to differing ...
- 171
0
votes
1
answer
142
views
Does remote desktop redraw the entire screen or just the part that was changed?
If I have a more colorful image on an RDP lock screen, will it redraw the entire screen (thus requiring slightly more bandwidth) or does it just send the parts of the screen that change (i.e. the dots ...
- 1,412
0
votes
2
answers
375
views
Max theoretical powerline bandwidth using more than 2 devices and recommended speed for 1 Gbps network ports
I'd like to set up a powerline based network on a 3 storey home. I'd like it to be as reliable and as fast as possible. My network equipment has 1 Gbps ports. I see that some powerline products can go ...
- 101
0
votes
1
answer
48
views
Bandwidth issue of my gigabyte network
Every device in the network supports gigabyte transferring. All wires are CAT6 (flatten wire).
The maximum bandwidth can only achieve 1000Mbps for less than 24 hours. The next day when I tested the ...
- 11
0
votes
2
answers
2k
views
How to monitor disk I/O in Linux without iotop?
I recently discovered iotop, which is Python program that monitors disk I/O in real time. It shows me which program is reading and writing the most and the rate.
Iotop is problematic however. Getting ...
- 1
1
vote
0
answers
88
views
Achieving 1Gb/s using PCI (not express) NIC
I am using an old PC (Phenom II x940, 3GB of ram) as a NAS. The motherboard's build-in NIC was only 100 mib/s so I bought a used Intel Pro/1000 GT (connected via PCI (!) - not PCIe) to achieve better ...
- 111
0
votes
0
answers
95
views
Debug slow home network
I don't know how to approach this problem. The TL;DR is that my internal home network is "slow". Here is the setup:
I live in the UK. I have a Sky ER115 router
Directly plugged into the ...
- 143
1
vote
0
answers
45
views
How can I further identify and fix network speed slowdown on home LAN?
I have been trying to troubleshoot a home LAN throughput issue. I have an Asus router with two boxes, a Windows 11 PC and an Unraid Linux server, connected directly with cat6 cables to 1Gb ports. The ...
- 11
0
votes
1
answer
406
views
Cable modem speed limitations
I have been doing some research on different modems and I am getting quite confused about some of the speed numbers in the product specifications. Below are some examples from Motorola modems.
If you ...
- 101
0
votes
0
answers
140
views
QOS bandwidth error in LB-Link Router
I'm trying to limit my phone bandwidth in LB-Link Router to (24mb/s upload, 49mb/s download)
LB-Link uses kb/s, according to Google, (49mb/s = 392000 kb/s), but I get the following error
"The ...
- 53
-1
votes
1
answer
267
views
Network usage monitoring per device
I have LTE modem connected via ethernet to TP-Link archer ax20. I have 400GB monthly limit and i see that from some time internet usage increase. I want to start monitoring internet usage by device to ...
- 1
9
votes
2
answers
1k
views
Is 2.4 GHz Wi-Fi band shared across routers?
When having a router with a 2.4 GHz connection, I understand from my previous question that it will be slower than a 5 GHz one, but I am confused on the following:
Is the 2.4 GHz more congested due to ...
- 193
-1
votes
1
answer
111
views
Router bandwitch vs ISP bandwith
when I am using a router for example of 300Mbps, and i have a download speed of 100Mbps and 25 Mbps of upload, when i am connecting to internet, is this speed affecting my lan bandwidth? for example, ...
- 1
2
votes
0
answers
438
views
Poor network performance over internet, but flawless iperf3 results
I'm using a linux system as a router/firewall, with the following kernel:
Linux gentoo 6.0.8-gentoo-stripped-wireless #1 SMP PREEMPT_DYNAMIC Tue Nov 15 08:54:22 CST 2022 x86_64 AMD FX(tm)-8150 Eight-...
- 318
0
votes
1
answer
63
views
Laptop as wifi repeater is slowing down internet speed
My laptop has 2 wireless cards, onboard wifi, and USB wifi (3 dbi high gain).
I have set up USB wifi to connect to access point, and onboard wifi as a hotspot (nmcli AP mode, named HostedAP).
...
0
votes
0
answers
149
views
Measure average bandwidth and latency of program macOS
I have a program I have made and I want to analyze the performance of said program, specifically the impact of the network connection. The program will send multiple requests to one API (incase that ...
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0
votes
1
answer
2k
views
How do I monitor real time USB bandwith in windows 11?
Many suggest USBDeview but I do not see where that app displays any bandwith information. All I want is a way to monitor how much of the 480mb/s of my USB 2.0 port is being used and by which devices. ...
- 1
0
votes
0
answers
41
views
How to fix unintentionally bandwidth sharing of 2 different fiber optic lines?
I have 2 different fiber optic lines on 2 separated accounts, separate routers but of the exactly same model from the same ISP. They both have their own IP address. The problem is that when I upload ...
- 135
0
votes
2
answers
2k
views
How can I calculate necessary WiFi bandwidth based on # of devices at home?
For my home network, I'm trying to set up a Wifi 6 mesh network.
My internet provider subscription gets me 150 Mbps officially, but in practice runs up to about 260 Mbps (max. measured over Wifi 5GHz)....
1
vote
0
answers
256
views
Set minimum bandwidth for Browser
I want to download Games in the background while watching videos/streams on Firefox, but my video always stutters because Steam, EpicGames, etc take all the bandwidth. Can I set a minimum bandwidth ...
- 11
0
votes
2
answers
71
views
How do I determine why my Windows 10 bandwidth is so much lower than my Macbook Pro?
I'm using a Windows 10 machine (Dell Precision 5560 PC) and am noticing that my bandwidth (at least measured by speedtest.net) is 4 to 5 times lower than my MacBook Pro 2017, both on the same network, ...
- 194
0
votes
1
answer
4k
views
Does DisplayPort 1.4 support 4K@144Hz HDR?
I bought an Asus PG32UQ monitor recently and connect it using a mini DP (eDP 1.4) with my HP ZBook Fury 15.6 Inch G8. And to my surprise, I can run at 4K on 144Hz with HDR enabled.
This is a bit ...
- 205
1
vote
1
answer
19k
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Bandwidth Control with Queue in Mikrotik
good time
I set a bandwidth limit in Mikrotik(simple queues) for each IP, and now I need to set a general bandwidth limit for each of my networks.
My question is how to set a 10M limit for a range ...
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0
answers
105
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What is a reliable way to check how the quality of WiFi internet connection varies with time?
At the shared house I live in, internet seems to work fine. For instance, I seem to have no issues when watching a movie on Netflix or a video on YouTube, or when I download some document or other ...
- 209
1
vote
1
answer
3k
views
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. ...
- 1,672
1
vote
1
answer
343
views
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 ...
- 413
0
votes
1
answer
554
views
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 ...
- 1
0
votes
0
answers
89
views
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 ...
1
vote
0
answers
18
views
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/...
- 443
1
vote
1
answer
1k
views
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 ...
- 1,071
0
votes
0
answers
576
views
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, ...
- 221
0
votes
2
answers
13k
views
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 ...
- 556
1
vote
0
answers
1k
views
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 ...
- 163