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Questions tagged [qos]

Qos in Telecomunications means Quality-of-Service.

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Netgear Nighthawk X4S R7800 - can QoS de-prioritise specific device?

I have a single machine on my network which I use for any large internet uploads or downloads. Whenever a large transfer is in progress, internet speed for other devices on the LAN is badly affected. ...
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On Cisco IOS XE routers, do classes in service policies have their own queues by default?

I'm configuring a C1111-4p (Cisco IOS XE 17.12.02) router for home use. I want to prevent some torrent clients from disrupting the internet for other clients (calls, web browsing, etc). I've setup ...
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Windows QoS and DSCP values

I see QoS Scheduler is in the adapter properties. Does QoS Scheduler in Windows prioritizes traffic with DSCP EF bit by default (without QoS policy)?
manuadoor's user avatar
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How to configure QoS on a D-Link DSL-2750U (1.16f)?

My internet is so slow when family starts using it along with me. I get crazy lags in-game (League of Legends) and browsing as well (even Facebook). But when I'm alone on the network, which rarely ...
louai djebari's user avatar
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How does this switch do the QoS?

I wonder at what layer does this switch do the QoS, as it seems to be a layer 2 switch. My understanding is that a switch should look into upper layers 3 to 7 to be able to do QoS. Cisco Small ...
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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 ...
Mr.Robot's user avatar
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Qos d-link 3680

So for ages I've wanted to limit the bandwidth of my sons pc. When he downloads it takes all the bandwidth and we can't even use netflix. At the minute we are with sky fibre and the hub doesn't have ...
Nickjett's user avatar
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How can QoS prioritize traffic if the data is encrypted?

Encrypted data can only be read by the one who is sending and receiving it right? How does QoS prioritize data if it's common now that the data that is being sent is encrypted?
caulmseh's user avatar
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Packet filtering with the u32 selector does not work

I'm trying to figure out whether the QoS solution I integrated into my RaspberryPI works or not. I found out that port-based traffic classification doesn't work, so I tried to check the filters used ...
Olexandr Kulinich's user avatar
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QoS DSCP problems when sending traffic with iperf3 to Windows Host

I am encountering a problem with capturing traffic generated from a virtual machine (CentOS 6) using iperf3. Before sending the traffic (UDP) to the iperf3 server running on the Windows 10, I use a ...
Adrian Costin's user avatar
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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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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 ...
alou S's user avatar
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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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How to disable QOS in router setting?

I try to disable QOS configuration in router setting and do such as below but Qos is Enabled My Isp tell me that my router configured to 8Mbs but my internet service is 16Mbs. How can I disable it?
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What are the benefits/trade-offs of enabling "Smart Queue Management" on ER-X?

I have an ER-X router from Ubiquiti. With COVID-19, both my girlfriend and I spend a lot of time on video calls. Would enabling "Smart Queue Management" (QoS) help with the quality of calls (...
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How to configure Qos Dsl-2750U?

my internet is so slow when family starts using it along with me , i get crazy lags in-game (league of legends) & browsing aswell (even facebook) , but when i'm alone on the network (which rarely ...
LiamsiL ISM's user avatar
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QoS router vs. long ethernet cable

So I'm a CS student currently taking some online summer classes at my mom's house. So far, I had one class, through Jitsi videocall, and the connection went horribly. I know for a fact that our home'...
Laura Salas's user avatar
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Complicated QoS Settings

Hi guys I need some help. My whole family uses the same router and when I try to play online games I encounter high ping due to my brother and sister watching Netflix, Youtube etc. I did some research ...
lightningbird12's user avatar
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How do I configure an ER-X to prioritize certain machines and services?

I have an ER-X (running v2.0.8) that is load-balancing two 16/1 DSL lines. I also have a lot of kids and Apple devices! I'm constantly getting ping spikes and other symptoms of buffer bloat and lag. ...
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Increase upload speed by repeating the same packets in networks with many users

Assume I am just a user and I'm optimizing for my upload packets, not the throughput for everyone. Say the network you're in is limited in bandwidth because there are too many users. Would it be ...
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What does DSCP mean for an unmanaged switch?

While investigating options for better quality-of-service on my LAN I read about DSCP (Differentiated services), which is an updated version of the good old ToS (Type of Service) in the IPv4 header. ...
pipe's user avatar
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Single download effectively turns off internet access for everything else

I have dual link DSL internet, something around 24mb/1mb. The problem I have is that no matter what I seem to do, any time a device on my network is downloading something at near peak bandwith, it ...
Raindog's user avatar
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How do I fix bufferbloat without introducing packet loss?

I just installed SQM QoS on my Linksys E4200 (V2) in order to fix some, frankly, horrendous bufferbloat. This seems to have fixed the issue, however, it has now introduced bad packet loss that wasn't ...
Climatee's user avatar
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QoS policy not limiting bandwidth

I try to test QoS bandwidth limitation with Win10 x64. First I wrote some code which posts large http-packets to localhost and limit bandwidth for this app by its process name. Limitation did not work,...
idementia's user avatar
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How can I prioritize packets coming different source one over another?

I am trying to prioritize a stream of packets over other packets coming into the router. I am running twitch and some other background process (iperf, other youtube live etc.) and I want to prioritize ...
taurenfranklin's user avatar
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How to fill all of these fields in QoS?

I want to make the internet speed of a specific user on my router slow, but i have no background about these things. Can you tell me what should i put on each field?
Abdelillah's user avatar
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SSH Broken Pipe

Background: I’ve been researching a new problem that manifests as a dropped (broken pipe) connection during ssh sessions. Several forum searches turn up bug reports that seem to me are misdirected. ...
John Benford's user avatar
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2 answers
1k views

YouTube is consuming much bandwidth than other operations on my home network

I've a problem that when I'm surfing Facebook, Twitter, stackOverflow or any other site than YouTube, Pages usually takes lot of time to download. While, YouTube don't have any problems. I've a 2 Mbps ...
Gamal Othman's user avatar
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1k views

How to add QOS to Local Computer Policy with Powershell

I have this code and it works but it makes a domain GPO policy and not a local one. How do i get it to make it local? #Create QOS for RDP Session #Create a new Group Policy Object (GPO) that will be ...
James's user avatar
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QoS: MAC-Priority for clients behind a repeater

I've setup a wireless network using a Linksys-Router (DD-WRT) as an AP and a TP-Link repeater for range extension. To manage bandwith for specific users, I've setup QoS-Rules on the AP (DD-WRT) using ...
Jonathan's user avatar
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543 views

How to isolate group from computers by L3 switch from certain www?

There is a broken switch to replace and I need to buy new one. I decide on this model: https://www.linksys.com/us/p/P-LGS528/ Is it possible to isolate 24 computers that are connected to this switch ...
lluke's user avatar
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Shall I give my secondary router a reserved IP through DHCP or ARP?

My primary router [192.168.100.2] has DHCP enabled through the addresses 192.168.100.3 to 192.168.100.200 - I have installed a wireless range extending router [192.168.100.3] with the same SSID at ...
Asad Moeen's user avatar
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1 answer
936 views

Slow upload speed, fast download speed between two wireless LAN devices

I've got an interesting puzzle for you: I've got two computers connected to the same LAN wirelessly. Computer A is using 802.11ac wireless protocol. Computer B is using 802.11n. I begin uploading ...
Gili's user avatar
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1 vote
1 answer
5k views

How can I adjust the QoS settings on a D-Link 2740u router?

I'm having a problem with online games, because when someone in my house open YouTube or other heavy internet demanding apps my game ping skyrockets. I searched online for a bit I found that can be ...
Noor Nizar's user avatar
1 vote
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109 views

Suffering from specific devices killing my home network, mainly mobile devices

I'm having some issues with extremely bogged down internet. I've tried several routers with QoS, but they didn't do much. The internet is plenty fast enough for everything, but the lack of sharing ...
SwimBikeRun's user avatar
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336 views

How to setup QOS?

I have 2 PC PC1 download large files all the time PC2 browser internet some times like facebook PC2 can't enter facebook because PC1 download large files all the time I want router give proitry to ...
hema assan's user avatar
2 votes
1 answer
4k views

DD-WRT QoS not working on LAN/WLAN interface

I have a TP-Link WR941ND with DD-WRT firmware. Another ISP provided router dials the PPPoE connection for internet. The DD-WRT router was connected to the ISP router once through LAN in DHCP forwarder ...
Asad Moeen's user avatar
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103 views

How do you verify QoS for a router?

I am using a TP-Link Archer C60. I have put my TV in the High Priority List (70%) for a smooth IPTV/Netflix experience. However, I see my TV buffering when my phone starts downloading anything ...
Asad Moeen's user avatar
1 vote
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312 views

WMM/WME(802.11e) not working properly in 802.11n?

I'm performing some tests regarding 802.11e (WMM/WME) performance and when doing up-link it isn't working properly. Im using an Lynksys 1200ac with OpenWrt/LEDE as AP, and two PCs lets say PC1 and ...
Paulo Ribeiro's user avatar
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2 answers
2k views

I'm using QoS on my router (gargoyle), but still experiencing lag

I've installed gargolye on my TP-Link TL-WR841N/ND v9 router. This is my current configuration for quality of service (192.168.1.245 is the static IP for my computer). The problem is, I still ...
nightfire's user avatar
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1 answer
357 views

What could cause tc to stop classifying packets?

My home office has very limited internet bandwidth, so I have to use QoS pretty heavily to classify traffic. I use FireHol and FireQOS to do this, which basically generate the "iptables" and "tc" ...
Seii's user avatar
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Why low Uplink throughput when using EDCF / 802.11 WMM/WME?

I'm performing some tests regarding 802.11e (WMM/WME) performance, and I'm getting some unwanted results. Im using an Lynksys 1200ac with OpenWrt/LEDE installed as AP, and two PCs lets say PC1 and ...
Paulo Ribeiro's user avatar
0 votes
1 answer
9k views

What do source and destination stand for in QoS settings

I have had to deal with QoS several times but in this modem I have this complex options page: Interface: Protocol: Src IP: Src Mask: Dest IP: Dest Mask: Src Port: Dest Port: Speed (kb/s): I have ...
easeccy's user avatar
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Can I prioritise one UDP stream over another in linux?

I made a small program in python that produces two UDP streams through Gstreamer framework. One is the main stream, labeled A, that MUST go through on port 3333. The other one is a secondary stream, ...
Andi Domi's user avatar
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0 votes
2 answers
235 views

In three-dumb router setup, which needs to do QOS to prevent bufferbloat?

I'm setting up the "three dumb routers" in my house. My question is which router should I enable QOS (e.g. codel) on, in order to prevent bufferbloat? Should it be enabled on the edge router, or on ...
Andriy Drozdyuk's user avatar
0 votes
1 answer
9k views

How to limit certain MAC address or IP range using QoS - ZTE 931 VII

I tried setting up some basic rules for my home router's QoS, but I haven't been successful so far. What I want to do is to give certain MAC addresses a "privilege", and limit all the other ...
leonz's user avatar
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7 votes
1 answer
28k views

Configure DD-WRT to Limit Bandwidth on Devices

I have flashed DD-WRT firmware to my TP-Link WRT841-N router, set the basic network configuration & wireless. I want to limit bandwidth on a user who is always using torrents which is causing my ...
Hikmatullah's user avatar
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1 answer
147 views

Improve WiFi real-time performance in the presence of foreign WLANs

I want to use IEEE802.11 WiFi in infrastruture mode to communicate in both directions between an access point and several stations. The amount of traffic between the stations and the access point is ...
oh.dae.su's user avatar
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270 views

What is the most efficient way for QoS/Bandwith Management?

I have a Zyxel VMG3312-B10A v2 modem router and I want to isolate my computer from the other peers. Which is the most efficient way in the perspective of power consuming (more power spent means more ...
Ertürk Öztürk's user avatar
2 votes
1 answer
1k views

Why does enabling WMM on a WiFi router cause increase in latency?

With only a single device connected to a WiFi router, enabling WMM (WiFi Multimedia) increases the latency by 80-90%. Overall throughput increases significantly, however. Why does enabling WMM ...
End Antisemitic Hate's user avatar