Server Fault Stack Exchange
Server Fault Stack Exchange

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
1
vote
1 answer

Can we prioritize devices connected to a Router

If a number of devices are connected to a router, can we prioritize them (PC - 1, Mobile - 2, Laptops - 3) by giving their MAC addresses. That way if everybody is working, depending upon their priority, overall speed is divided and priority 1 will…
user311673
  • 13
  • 3
1
vote
0 answers

How can I prioritize BITS protocol traffic as Bulk class without dragging interactive web applications down with it?

Windows Update (which uses the Background Intelligent Transfer Service (BITS) protocol) sometimes monopolizes our ADSL uplink. It interferes with interactive applications such as our "in the cloud" browser based accounting system. I want to lower…
MetaEd
  • 141
  • 5
1
vote
1 answer

Setting ToS/QoS for VoIP on Mikrotik

I have a Mikrotik router which looks like iptables. I need to setup QoS to ensure VoIP phones get top traffic priority. How do I know what ToS to use and how would I get it? I searched and can't seem to find the ToS for VoIP. My rule set so far is…
Jason
  • 3,931
  • 19
  • 66
  • 107
1
vote
1 answer

Internet bandwidth split with HP1810-8G, using "DSCP QoS policies" and VLANs

I have the following scenario: We are a small company (~10 clients) with little resources and we rented out office space to another company(<5 clients). We ordered a 20 Mbit fiber connection which will give us Internet out of the modem via 1…
Flo
  • 11
  • 2
1
vote
4 answers

Prevent a download to saturate all bandwidth on Linux

In Linux, a single download can use all available bandwidth, so that any other connection can't be started. (e.g. if I am downloading updates, I can't surf the web at the same time) Is there a way to set some kind of fair queueing between different…
Metiu
  • 133
  • 2
  • 4
1
vote
1 answer

Cisco Catalyst 3560 PoE 48 with setting interface to auto qos voip trust

All I'm trying to do is copy the running-config from a Cisco Catalyst 2560 PoE 24, to a Catalyst 3560 PoE 48. This is f0/1 from the original switch: interface FastEthernet0/1 switchport access vlan 40 switchport mode access switchport voice vlan…
user113920
  • 41
  • 2
1
vote
1 answer

qos with tc - high latency voip

I'm having following setup: local pbx doing calls for remote vpn clients. And have trouble with high latency a and quality of voip calls in remote office. Remote office is 10/10mbps link while local 6/6mpbs. vpn client(remote) <-> router <-> pbx…
user4999
1
vote
0 answers

QoS on GPRS connection

I have a question about QoS (Quality of Service) on GPRS connection. I have linux server with many connected clients through GPRS. Each of them communicates at the same time via ftp, http etc. How can I divide communication (for example ftp will get…
user227187
1
vote
1 answer

QoS Degrading VOIP

I have the privilege of trying to optimize our network at work to help improve the quality of the voip system we have. The general setup is: Bandwidth is 18 Mbps down, 3 Mbps up. ~10 people in office with max ~5 tje on phone at any time. One…
CJ F
  • 119
  • 3
1
vote
1 answer

Do ISPs strip or modify QoS/DSCP headers to and from the edge?

If I mark a packet at a edge location with DSCP, does anyone know if ISPS (or in a general sense, middleboxes) strip or modify the DSCP header on UDP packets before they reach another edge location? Most interesting to me is residential to…
sethcall
  • 135
  • 8
1
vote
0 answers

How can I get QoS over a WDS bridge on Cisco WAP551

I have two Cisco WAP551 devices bridging two physical locations wirelessly across the street from each other (200 feet, line-of-sight through a window). This is replacing a much, much older wireless bridge that has been rock solid as far as…
apatton.cnet
  • 31
  • 1
  • 3
1
vote
1 answer

How Many Filters Can We Have -- LINUX QOS

I am doing Qos on Linux server using TC. According to the grammar of tc tool, the handle of a filter must be between 800::001 and 800::FFF. And because 0XFFF equals 4095 in decimal, so we can only have at most 4095 filters, it this true?
Steve Peng
  • 559
  • 1
  • 8
  • 18
1
vote
0 answers

Why Parent Class In a TC Rules Tree Not Working

The parent class in my TC rules script doesn't work as it garanteed! Can somebody tell me what is wrong with my script? Here are some details about my question: From the chapter "9.5.4.4. Sample configuration" of Linux Advanced Routing & Traffic…
Steve Peng
  • 559
  • 1
  • 8
  • 18
1
vote
1 answer

iptables filter by bridged interface

I try to make a QOS server using IMQ interface to monitor ingress. my setup : br0 | WAN <=> eth1 => IMQ1 <|> eth0 <=> LAN all go nicely until i try to add the iptables rule to redirect incoming trafic…
ornoone
  • 131
  • 3
1
vote
1 answer

Can TC limit bandwidth by the Qos field of IP header

We are developing a client/server applications. There are three types of network data in our server app: Realtime data such as those of Video/audio, Critical Data such as those of Database data and BestEfforts data as those of common file transfer.…
Steve Peng
  • 559
  • 1
  • 8
  • 18
1 2 3
…
13 14