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Questions tagged [htb]

Hierarchical Token Bucket (linux packet scheduler)

HTB is a Linux packet scheduler. It decides the transmission order of packets on a single interface according to hierarchical bandwidth guarantees and limits. It was added to the Linux kernel in version 2.4.20, and improves on CBQ, the class-based queueing discipline.

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Minimal rate and default class problem for HTB

I have some doubts about a HTB structure I'm using. My aim is to limit the download and upload speed of users in a local network. Each user of the network has a personal list of domains with a down and up speed for the domain he cannot exceed. It…
Mulot
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Sharing Bandwidth and Prioritizing Realtime Traffic via HTB, Which Scenario Works Better?

I would like to add some kind of traffic management to our Internet line. After reading a lot of documentation, I think HFSC is too complicated for me (I don't understand all the curves stuff, I'm afraid I will never get it right), CBQ is not…
Mecki
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Debian7 and tc qdisc issue : RTNETLINK answers: No such file or directory

I've been searching for few days now but couldn't find the solution to my problem. I have a VPS running Debian 7, and I have root access. I am trying to add some traffic shaping (using HTB), so the first line I tried to type was this one : tc qdisc…
Raphael Laurent
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Trying to understand HTB subclasses rate

I'm currently studying the opportunity of using an Ubuntu server to provide QoS instead of my consumer-class router. I've read a lot of resources about tc and HTB queuing disciplines - which look to be the one I need for my QoS needs, and even if it…
Eric MORAND
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Bandwidth Throttling using tc qdiscs

I am trying to limit the bandwidth between a simple iperf server and client, using a third, passive machine acting as a bridge. With no interference, iperf returns a bandwidth of ~90 Mbits/sec. My goal is to create a root qdisc that sends all…
Ian
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VLAN based rate limiting using tc

I have been trying to perform VLAN based rate limiting on an academic project I am working on. The project uses Openflow (with Beacon controller) and the network is emulated using Mininet. The network is made up of OpenVSwitches. For my project I…
user1449265
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Difference between HTB Rate and Ceil Values

What is the difference between the HTB rate and Ceil values?
noctorum
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linux tc htb bandwidth ceil being ignored and giving improper results

I'm setting up some htb packet queues like so: tc qdisc add dev eth0 root handle 10: htb tc qdisc add dev eth1 root handle 10: htb tc class add dev eth0 parent 10: classid 10:1012 htb rate 750kbps ceil 750kbps tc filter add dev eth0 parent 10:…
Rooster
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HTB.init / tc behind NAT

I have an Ubuntu 10 box that I'm trying to set up as a bandwidth-shaping router. The machine has one WAN interface, eth0 and two LAN interfaces, eth1 and eth2. NAT is configured using MASQUERADE as described at InternetConnectionSharing. I'm mostly…
Ben K.
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linux tc qdisc pie (aqm) configuration with limited bandwidth

I would like to configure AQM PIE by using tc-qdisc, but at the same time I would like to limit the bandwidth to 1Mb/s. I have used similar configuration with fq_codel, i.e. I have limited the bandwidth by using htb, and later configured fq_codel…
FasolkaPoBretonsku
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Implementing HTB, NetEM, and TBF traffic control simultaneously

I am working on a bash utility that will use several aspects of the tc Linux command line utility to emulate various network conditions. I have successfully constructed several qdisc hierarchies, one each for HTB bandwidth control, NetEM delay and…
Ian
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Attempting to shape traffic for both IPv4 and IPv6 results in a conflict

On my server I'm attempting to set up traffic shaping, and if I'm doing it for either IPv4 or IPv6, things are just fine: All filter rules for that particular protocol are installed. However, when attempting to shape both, I'm getting errors, and…
Robidu
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Qdisc class for eth0 disappearing

I have a script that sets up traffic shaping on port eth0. The script is as follows: import os import subprocess def run(cmd): print cmd result = subprocess.check_output(cmd, shell=True) print result interface_name = 'eth0' bandwidth…
user3249763
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Measuring effectiveness of qdisc

I am trying to set the incoming and outgoing bandwidth of a particular interface. I set the outgoing bandwidth in the following way. sudo tc qdisc add dev f30e888e9a857_c handle 1: root htb default 11 sudo tc class add dev f30e888e9a857_c parent 1:…
user3249763
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HTB class doesn't borrow avaliable bandwidth

I'm using iptables + htb to shape the bandwidth of the internet traffic. I have a link of 17mbit DSL. Actually I have set the rules bellow: # Interface eth0 (Donwload) tc qdisc del dev eth0 root tc qdisc add dev eth0 root handle 1:0 htb default…
jhansen
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