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Questions tagged [qos]

Quality of service is the ability to provide different priority to different applications, users, or data flows, or to guarantee a certain level of performance to a data flow.

Quality of service is the ability to provide different priority to different applications, users, or data flows, or to guarantee a certain level of performance to a data flow.

198 questions
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QoS for very basic LAN/WiFi network: Do I need SmoothWall or OpenWRT or just good advice?

Here is the basic situation/topology of the network I manage: Residential, but we are a co-op, so we have a business-class contract with ISP. The residents are college students, so there is quite a bit of everything, including P2P (torrenting),…
Anthony
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How to mark traffic from cpu on cisco 2960S

I am writing a QOS configuration. Does the way to mark trafic from cpu on 2960S exist? 2960S doesn't support service-policy output and vlan-based qos.
user141238
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PIR/max-burst ignored message

After I typed the following police command for a type qos class on a Cisco Nexus 7000 switch: police cir 8 kbps pir 8 kbps I get the following message: Note: pir/max-burst ignored Can someone explain why PIR is ignored?
BJ Dela Cruz
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How to set up QoS VoIP priority on linux

I am configuring a small network and my idea is to use a linux server as a proxy it will be serving local services to the clients and it will have also a squid server as a caching server for speeding up the network. Web traffic is important and the…
zordor
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Cisco DSCP based packet drop

On a Cisco router, when setting up a policy-map to shape traffic and drop packets based on DSCP (such as the example below), which class of packet will be dropped first: DSCP 0 or AF13? DSCP AF13 is described as most likely to be dropped, yet DSCP…
Brain2000
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Basic QoS policy for Dell 6248 switches

My cisco edge router tags all incoming packets as IP precedence 0, 3, and 5 depending on their priority. How can I add a matching QoS configuration on the switch so that packets are prioritized appropriately?
ensnare
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Best tool for QoS testing

The problem is that, i cant find good tool for QoS configuration testing(linux). I have some switches and configured QoS on them. Installed two PC's with wireshark for watching whether switches are colouring packets, so thats ok. But how to check…
TiFFolk
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QOS on ubuntu server

I want to run the following script on ubuntu server. eth1 is NAT interface, and eth2 is the WAN interface which has a static public ip: TCA="tc class add dev eth2" TFA="tc filter add dev eth2" TQA="tc qdisc add dev eth2" SFQ="sfq perturb 10" tc…
nixnotwin
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how limit the number of open TCP streams from same IP to a local port?

i would like to limit the number of concurrent open TCP streams from the the same IP to the server's (local) port. Let's say 4 concurrent connections. How can this be done with ip tables? the closest thing, that i've found was: In Apache, is there a…
JMW
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Mediatemple (dv) kmemsize, privvmpages, tcpsndbuf QoS alerts

I'm on a (mt) (dv) base 3.5 server and am running ~20 small sites and I keep running into memory issues: cat /proc/user_beancounters Version: 2.5 uid resource held …
razorfrog
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Traffic prioritization with Linux htb doesn't work, why?

I'm a Linux QoS newbie and I'm trying to learn how it works by using the docs at lartc.org as reference. My first goal is a modest one: I want to assign a higher priority to UDP outgoing traffic, but for some reason it doesn't work. Here is my…
SteveBarr
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1 answer

Setting reply priority on Wifi network with QoS?

When using a Station and Access Point that support QoS over Wifi, is it possible to set the priority (= Traffic Identifier = TID = QoS channel) of the reply? For example when sending a ICMP ping request using a high priority (= QoS channel), is it…
Omega
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MediaTemple tcpsndbuf QoS Alerts

I'm hosting with MediaTemple on a (dv) Dedicated-Virtual 3.5 server. My site consists of a Wordpress blog, some custom PHP pages (nothing too intense), and I server 500-700 unique visitors per day. Despite my pretty modest numbers, I suffer from…
theturninggate
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2 answers

How can I stop one virtual iis site from drowning out all the others?

I have about 20 IIS web sites on one Windows 2003 server. One of the websites is for downloading product updates. What methods/tools are available to me to ensure that the one does not kill the responsiveness of the others?
Phil Hannent
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Windows 10 GPO QoS by URL not applying

I've created a GPO with QoS settings and I can confirm the PC is domain joined. Name : Test Owner : Group Policy (Machine) NetworkProfile : Domain Precedence : 0 JobObject : URI :…
rgomez
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