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
0
votes
0 answers

D-Link DGS-1510-20 torrent QoS related configurtion

I have two options here. one, I purchased a broken D-Link switch, and two, there is some sort of QOS or firewall related rules that punish my mac pro from connecting to any other device. I have a D-Link DGS-1510-20 switch with Boot PROM Version…
ufk
  • 333
  • 3
  • 8
  • 31
0
votes
3 answers

How do I use the `tc` command to give the 1st queue priority?

Lets say I have 3 queues (# indicates data): Q1: (in)[ ###](out) Q2: (in)[ #####](out) Q3: (in)[ #############](out) Lets say I put all my ICMP packets in Q1 and all the constant downloads in Q3. How do I use the tc command…
Nick Bolton
  • 5,126
  • 12
  • 54
  • 62
0
votes
0 answers

Need to split a high speed ADSL line for several departments

I'll try to keep it simple! We have a new and very fast ADSL line coming in to our office which needs to be split between 4 different departments. Each department will have a certain bandwidth available to them and we want them to have a separate IP…
user395619
  • 1
0
votes
1 answer

QoS - MySQL Bandwidth Priority on CentOS / rhel

I have a highly loaded server and nginx is consuming all the available bandwidth, and i cannot connect to the mysql server (located on another machine) as i'm getting errors like Lost connection to MySQL server at 'reading authorization packet' I…
VelDev
  • 57
  • 1
  • 8
0
votes
1 answer

IPTables: drop packets with a certain DCSP value

I can find a lot of examples on how to classify traffic for QoS using TOS and DCSP, but I can't seem to find examples which filter based on the QoS values set. What I want to do is drop all traffic unless the DCSP flag is set to one.
Lucas Kauffman
  • 16,880
  • 9
  • 58
  • 93
0
votes
1 answer

My tc script just limit outgoing traffic or both outgoing and incoming traffic?

I create this script to limit bandwidth all traffic through card eth1, I can test download speed with wget command but don't know how to test upload speed. Can anyone answer my question or show me how to test upload speed? Thanks for your…
You're awesome
  • 103
  • 4
0
votes
2 answers

Is Quality of Service my ISP's responsibility?

One person on my network does a massive download, not caring too much about how long it takes. Someone else on my network doesn't want his incessant video streaming interrupted. My understanding is that this is solved using QoS, to prioritize…
kelario
  • 19
0
votes
1 answer

zeroshell qos global bandwidth maximum vs guaranteed

When using Zeroshell QoS what is the difference between the maximum and guaranteed bandwidth when talking about the global bandwidth for the interface? I understand the difference for each of the classes but how does the guaranteed value apply to…
BeowulfNode42
  • 2,615
  • 2
  • 19
  • 32
0
votes
1 answer

QoS/traffic-limit on internal ports in OpenVSwitch

I am currently trying to put traffic control on our OpenStack cloud and my questions in one sentence would be: is it possible at all to rate-limit particular port with type internal? The whole story is as following: We are running OpenStack Neutron…
guoger
  • 33
  • 1
  • 7
0
votes
0 answers

Traffic Control in OpenStack Neutron with either TC or OpenVSwitch

As far as I know, QoS in OpenStack Neutron is still under development and not production-ready (I could be wrong on this point though, shout at me if so...), but we are required to implement traffic control in our cloud environment. Hence, we are…
guoger
  • 33
  • 1
  • 7
0
votes
2 answers

Delaying packets with libnetfilter_queue

From my Raspberry Pi configured as an access point, I set the following rules: sudo iptables -I FORWARD -p tcp --sport 25 -j NFQUEUE --queue-num 0 sudo iptables -I FORWARD -p tcp --sport 80 -j NFQUEUE --queue-num 1 sudo iptables -I FORWARD -p udp…
elmazzun
  • 153
  • 1
  • 2
  • 7
0
votes
2 answers

QS_SrvMaxConnPerIP whitelist

Is there way to add IP to some kind of whitelist in mod_qos? I have couple of IP which are exceeding QS_SrvMaxConnPerIP = 50 and I don't want to set higher value for other IP's, so I would like to add my known IP's to whitelist. I've tried add in…
Odin
  • 23
  • 1
  • 6
0
votes
1 answer

Need help understanding a bandwidth restriction on a Cisco ASA

We have a guest wireless network here and it's bandwidth is limited too 1 Meg per second. I did not configure this and am trying to pick it up. I've found these lines in the cisco config but i'm not sure how it identifies the network to apply this…
zillabunny
  • 186
  • 8
0
votes
2 answers

Limit bandwidth in cisco router with policy-map doesn't work

I have a problem with my scenario in limiting bandwidth of ubuntu PC in GNS3 with class-map and policy-map. this is my topology in GNS3: -----------cisco-3725-router----------->Internet | | | …
Ahmad
  • 23
  • 1
  • 2
  • 4
0
votes
1 answer

Windows 2003 R2 traffic shaping & QOS

In our small office a LAN is connected to a modem router that will VDSL to the Internet. As a Windows 2003 R2 server exists in the LAN, I was wondering if is there a way to use this server as a router, enabling traffic shaping/QOS policies, to avoid…
Riccardo
  • 253
  • 1
  • 3
  • 13
1 2 3
…
13 14