Questions tagged [traffic-shaping]
The traffic-shaping tag has no usage guidance.
44
questions
1
vote
1answer
26 views
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 ...
0
votes
0answers
13 views
what's the right way to set rate for tc?
I am new to TC / tc / traffic controll.
Currently, I am trying to figure out how to set network traffic speed limit.
I get the following error:
root@home [ ~ ]# tc qdisc add dev veth7be0c root handle ...
1
vote
0answers
22 views
Newby q: what is the backbone of a script to limit incoming and outgoing network speed, using TC? [closed]
I am new to TC / tc (traffic control), but I need to limit the speed of incoming/outgoing network traffic for a docker container.
I read a lot, but still I have a lot of confusion on what is needed.
...
0
votes
1answer
66 views
Setting a delay between Firecracker microVM tap devices on the same host
I have set up two microVMs using Firecracker on my Ubuntu 18.04 LTS host and have attached a tun/tap device for each of them. Now I'm trying to set a delay between the two VMs (say 100ms) using tc so ...
1
vote
0answers
193 views
The bucket size in TC-HTB
I study the behavior of tc-HTB.
I did a tc setting like the below.
After reading The bucket in tbf, I expect its burst size will be rate / HZ.
sudo /sbin/tc qdisc del dev s1-eth1 root
sudo /sbin/tc ...
0
votes
0answers
33 views
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 ...
2
votes
0answers
201 views
tc filter parameter mtu significantly affects iperf bandwidth
I'm testing tc (traffic control) on a bond interface.
When setting the ingress filter to ratelimit 1Gbps with burst 100m and default mtu (2k), I actually get only less than 100Mbps bandwidth.
tc ...
2
votes
0answers
661 views
traffic control in linux namespace results in very low bandwidth
I'm expecting to limit ingress traffic of veth0 in namespace ns0.
What I do is issuing the following commands:
# create netns
ip netns add ns0
# create veth pair
ip link add dev veth0 type veth ...
1
vote
1answer
266 views
How to limit download rate per user from a Linux access point?
I have a Linux based WiFi access point connected to the internet. How can I limit the download speed for each user to 200 kbps?
This is a simple question and I could find many "false duplicates" in ...
1
vote
0answers
326 views
traffic shaping with TC(CLASSFUL QDISCS,like prio,HTB,CBQ)not working after upgrade ubuntu from 14.04 to 16.04
all.I have a problem. I used tc with HTB to do traffic shaping on 14.04.like
tc qdisc add dev docker0 root handle 1: htb default 1024
This was work well on ubuntu 14.04 with docker 1.11. But after I ...
2
votes
1answer
588 views
How to slow down traffic with tc?
I'm on Ubuntu 14.04; I'd like to learn the basics of traffic shaping, I made a simple script that should slow down my HTTP(S) traffic to ports 80 and 443.
# usage: sudo ./filename.sh
#delete ...
0
votes
1answer
591 views
Is traffic shaping for speed tests a legitimate approach?
VW recently got into a lot of trouble for designing a car that performed differently when being tested compared to when it was actually out on the road. This seems a bit analogous to ISPs providing ...
1
vote
1answer
2k views
Limit access to specific websites by time and usage
Apologies if this is answered elsewhere, I can't find it. Pointers appreciated if so.
I want to set up my home network so that access to some sites (e.g. youtube, facebook) is restricted:
By device,...
4
votes
2answers
11k views
Mark packets with iptables by destination mac address
I need to mark packets which goes to a specified mac address.
I need this to use in shaper with tc.
--mac-destination doesn't exist in iptables.
Also I tried to use ebtables:
ebtables -t nat -A ...
1
vote
1answer
558 views
How filter Ack or SYN packets
I am trying to create a traffic shaping by tc filters.
In this traffic shaping , I have two class's . one of them is to control user's traffic and other which has more bandwidth rate is to Ack or ...
0
votes
0answers
193 views
How to setup an efficient badwidth management for home wifi
I plan to share our wifi between 4 roommates and occasional guests and mobile devices.
We consume mb differently so the bill will not split evenly.
I would like to setup something as follows:
When ...
1
vote
0answers
369 views
What does selecting "none" queue do?
I'm trying to shape traffic in pfSense.
The question comes up of which queue to assign traffic to.
What happens if i pick none as a queue?
In the end, traffic going out the link is under the ...
1
vote
1answer
4k views
Why can the AckQueue not be the same as the Queue?
What should i choose for AckQueue?
I'm trying to do traffic shaping in pfSense. Traffic shaping in pfSense involves things called queues.
Some queues have higher priority than others.
I understand ...
5
votes
1answer
14k views
How to limit bandwidth used by an IP in the penalty box in pfSense
We're trying to use the pfSense traffic shaping feature known as the Penalty Box. We are interested in limiting the bandwidth of a particular IP to 2%.
Note: There is a four-year-old bug in pfSense ...
1
vote
0answers
928 views
ubuntu 14.04 traffic shaping
Traffic shaping using htb and tc does not give expected results for shaping.
Hi I am using the script from shaping
$TC class add dev $IF parent 1: classid 1:1 htb rate $DNLD
When I specify 0.5mbit ...
1
vote
1answer
210 views
Virtual Host Redirects and Packet Flow
If I set up a virtual host in nginx, will all packets flow through that PC?
Here is what is going on. I have an openwrt NAT router with two devices behind it, a server and a raspberry pi. I want both ...
2
votes
2answers
1k views
Drop IP fragments of a certain protocol
When conntrack is active, the iptables stack never sees a fragmented IP packet, only the reassembled one (source), so the -f test never matches.
If I want to block any fragment I could set ...
2
votes
0answers
217 views
Traffic shaping advice
I've been searching the topic I'm looking for for a quite some time, then I decide to ask my own question because I'm so confused right now.
First thing first, here is the background information you ...
13
votes
3answers
11k views
Options for bandwidth management on a shared internet connection
The premise:
Rural location, not many options for high-bandwidth internet connections. The fastest by far is Satellite internet, but it's expensive (both equipment and monthly cost, and has latency ...
0
votes
1answer
3k views
Windows command line utility to control network bandwidth
I'm looking for a windows command line utility (it should be command line based because I want to call it from another application) that can control network bandwidth(I mean the download and upload ...
1
vote
1answer
1k views
How can I detect long-lived connections and mark them for shaping
I would like to detect TCP connections which have been open for more than one minute (or for greater than N bytes, or M packets), so I can classify them as bulk traffic ("downloads") and de-prioritise ...
4
votes
2answers
10k views
Limit internet bandwidth
For test purposes (to debug my WindowsPhone7 application), I need to limit the network speed to a small value, like 79 kbits/sec. I’m using Windows 8 x64.
NetLimiter doesn’t install at all.
...
0
votes
1answer
454 views
Traffic Shaping Dlink Router
I have dlink router DIR-524. I want to set traffic shaping and QOS on my wifi router but these options are not available on the firmware that is installed on the router. I want to upgrade this ...
2
votes
0answers
329 views
Deprioritizing (traffic shaping) bittorrent seeding
I have a linux server with spare bandwidth. I thought about running an rtorrent client and seeding some popular distros images. However, I can't allow myself to curtail the normal operation of the ...
3
votes
1answer
6k views
Linux - Network Traffic Priority by IP
I'm using Ubuntu 12.10 and looking for a way to shape network traffic based on the IP address. I have a LAN, lets say from 192.168.1.2 - 192.168.1.254. The server is at 192.168.1.1. All IPs should ...
1
vote
1answer
12k views
HTTP requests met with "Traffic blocked because of exceed per IP shaper session quota..."
I often am met by this message when trying to load a webpage. When I see it, I get nothing else back from my HTTP requests for a couple minutes, after which things go back to normal. There is no ...
1
vote
0answers
113 views
Blocking/traffic-shaping of an Elastic-IP URL
I'm interested in block or traffic-shaping connections made from my system to a host given by a URL.
The problem is that the URL is re-mapped to a different IP address every several minutes (I ...
3
votes
1answer
463 views
Using a Ubuntu AWS instance as tunnel for RDP to simulate bandwidth
I have a bunch of windows instances on EC2 which I can connect to using RDP.
I want to test the performance of RDP under various bandwidth and latency conditions.
I know about thetc qdisc tool which ...
1
vote
0answers
2k views
Limit Netflix bandwidth
Netflix massacres my ping whenever I play online games.
Preferably, I'd like to be able to monitor and limit/assign priorities to any applications using my home network, but if it's a Netflix-...
3
votes
1answer
463 views
How can I organise sharing the Internet bandwidth with many people at home?
Lets say, you have a relatively fast Internet connection speed. However, there are many people who want to access the Internet and download files at the same time using that available bandwidth.
The ...
3
votes
1answer
605 views
Using traffic shaping, is limiting download traffic helpful or harmful?
I use traffic shaping in MonoWall (BSD) to great advantage with my home connection. It has been quite some time since I've had any kind of issues where user interaction with the internet has seen any ...
1
vote
2answers
2k views
IPv6 traffic shaping
With the second IPv6 Launch Day behind us, i'm stuck waiting for traffic shaping support on IPv6 before i can deploy it to our network.
i currently use m0n0wall as a router with its IPv6 support, but ...
2
votes
3answers
3k views
I need to block torrent downloads
My cousin complains that his housemate uses torrent and thus it causes slow connection to my cousin.
He owns the ADSL modem and I saw some good futures such as blocking websites or protocols. Like if ...
4
votes
1answer
11k views
pfsense 2.0 traffic priority - set full priority for single host
I have a network with several computers all on the same network and since I have very limited bandwidth I would like to prioritize traffic almost like a CPU scheduler prioritize processes.
Example: ...
5
votes
2answers
5k views
Using tc in Linux and dummynet in FreeBSD to limit bandwidth
We have a network product that runs on Linux and needs to be tested in reduced bandwidth networks.
We have been able to use 'tc' (traffic control) in Linux and dummynet in FreeBSD to inject delay (...
7
votes
1answer
10k views
How to deliberately introduce a delay for incoming UDP packets
I want each packet (that match iptables rule) to be delayed by some fixed time interval. How to to this?
Preudocode: iptables -A INPUT -p udp <more conditions> -j DELAY --delay 50000 # delay ...
0
votes
2answers
2k views
How to limit traffic on a router based on IP?
how to limit internet traffic on a router based on a LAN IP.
so that for example on a 10mb/s internet connection I can have a IP Camera with a dedicated 1mb/s, 2 computers with 3mb/s, and 2 computers ...
21
votes
2answers
20k views
Simulating a low-bandwidth, high-latency network connection on Linux
I'd like to simulate a high-latency, low-bandwidth network connection on my Linux machine.
Limiting bandwidth has been discussed before, e.g. here, but I can't find any posts which address limiting ...
3
votes
2answers
806 views
Rapidshare and Megaupload traffic shaping by ISP
I think my ISP is shaping Rapidshare and Mega Upload traffic, the download speed goes down to 30 kb/s every time and only on those sites, I've tried with different programs for downloading and the ...
