Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [htb]

Hierarchical Token Bucket (linux packet scheduler)

0
votes
0answers
63 views

How to use tc with HTB to rate limit docker outbound traffic?

I am trying to use tc with HTB to throttle bandwidth used by my containers in bridge network mode. To test the result, I used iperf3. without throttling, I got the following result: root@...
1
vote
1answer
46 views

htb multiply root rate by 8

I am changing the queue discipline to HTB, creating a parent node, and 3 children which are the classes. sudo tc qdisc add dev em1 root handle 1: htb sudo tc qdisc add dev em1 parent 1: classid 1:1 ...
0
votes
1answer
292 views

How to change HTB rate of a classid?

I have tc htb qdisc setup that looks like 1:0 | 1:1 / \ 1:10 1:11 # tc -s -d class show dev br0 Shows class 1:10 with 1024kbit rate and ceil: class htb 1:10 parent 1:1 ...
2
votes
0answers
79 views

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) ...
1
vote
1answer
364 views

shape dropbox on linux router with tc and iptables

Another machine on my LAN is uploading to Dropbox and saturating my internet connection's upload bandwidth. When that happens my pings to 8.8.8.8 take 3000-6000ms. When dropbox is not uploading my ...
3
votes
0answers
49 views

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 ...
1
vote
0answers
102 views

Traffic shaping with tc

I've been playing with tc and been reading a lot about shaping traffic. I've read that traffic can be shaped egress and policed ingress. I have standard set up LAN -->eth0[OPENWRT]-ppoawan---> ...
1
vote
0answers
187 views

HTB scheduler unexpected behaviour, low priority traffic starving high priority traffic

I am working on assuring low delay for UDP traffic at the home gateway level. At this home gateway I have two types of traffic, TCP and UDP, and I assure differentiated treatment by using HTB. The ...
2
votes
1answer
255 views

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 ...
2
votes
1answer
626 views

bandwidth larger than tc htb ceil in 10-Gigabit network

In classid 88:201, I set ceil 200mibps, but in fact data can be send at 218 Mibps. Any one have any ideas what I'm doing wrong? Cheers! tc qdisc add dev eth0 root handle 88: htb default 202 tc ...
1
vote
2answers
617 views

Percentual dynamic bandwidth control with tc

Does anyone know if tc (iproute2) can be used to percentually divide the currently available bandwidth? We're on a GPRS connection on which the available bandwidth changes frequently. What I want to ...
3
votes
1answer
615 views

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 ...
0
votes
1answer
922 views

Limit input on a given port with tc filter and u32 match

I'm trying to rate-limit all incoming traffic on ports 8128-8191. I've read everything I found, checked everything ten times, it still doesn't work. The commands: tc qdisc del dev eth0 root tc ...
0
votes
1answer
1k views

Is there a way to limit bandwidth per ip using HTB + a CIDR range in Linux?

I can create rules to limit a entire subnet or to limit individual ip addresses with tc and htb. I am looking to use CIDR ranges to keep things somewhat elegant. The machines in question are all ...
1
vote
1answer
2k views

How can I do traffic shaping in Linux by IP for both way communication?

Well, I've already gone through How can I do traffic shaping in Linux by IP? on serverfault & what I'm trying to achieve is pretty much same. Internet--------Linux Router----Switch-----Clients ...
3
votes
1answer
14k views

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 ...
4
votes
1answer
973 views

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 ...
4
votes
1answer
842 views

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 ...
2
votes
0answers
553 views

HTB equal bandwith sharing per ip in one class

In my tc configuration (shown below) in one class all bandwidth is shared among connections equally, but I want to share bandwidth among all IP addresses equally. Now: 192.168.0.2 - 38KB/s 192.168.0....
2
votes
1answer
5k views

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 ...
5
votes
1answer
691 views

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 ...
4
votes
1answer
4k views

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 ...
1
vote
0answers
246 views

htb with an inner gred how to setup filter to reach DPs

I want to create a qos htb class and within this class there is a gred queue. how do I add a working filter for each red queue in the gred queue? what i tried was: DEV=lo SOMEGREDETTINGS="limit ...
1
vote
1answer
4k views

Linux tc htb + prio = very slow link

I'm trying to shape the traffic going out of my DSL link (verified 1 mbit upload) using Linux (3.2) tc, HTB, and PRIO. My Linux box is connected via a Gigabit Ethernet link to the ADSL modem. I want ...
1
vote
0answers
100 views

Defining an explicit parent in traffic control rules

In traffic control, will an explicit parent declaration in a filtering rule override a flowid definition? E.g.; tc qdisc add dev eth0 root handle 1: htb default 20 tc class add dev eth0 parent 1: ...
5
votes
1answer
5k views

Difference between HTB Rate and Ceil Values

What is the difference between the HTB rate and Ceil values?
0
votes
1answer
204 views

HTB qdisc child of another HTB qdisc drawbacks

In the HTB documentation can be read: Note: HTB as child of another HTB is NOT the same as class under another class within the same HTB. It is because when class in HTB can send it will send ...
1
vote
1answer
763 views

how to tune tc rate parameter for optimal performance with htb/sfq?

I'm new to using tc/htb and I've just copy/pasted the script at ... http://lartc.org/howto/lartc.cookbook.ultimate-tc.html ... to run on the office gateway. The reason is to prevent large downloads, ...
1
vote
3answers
7k views

Traffic shaping on Linux with HTB: weird results

I'm trying to have some simple bandwidth throttling set up on a Linux server and I'm running into what seems to be very weird stuff despite a seemingly trivial config. I want to shape traffic coming ...
4
votes
2answers
2k views

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 ...
2
votes
1answer
3k views

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 ...
1
vote
2answers
740 views

How much traffic a linux-based shaper would be able to chew

I have a linux based traffic shaper (iptables + tc htb policy). It works in bridge mode. Shapes traffic based on IPs and ports (there are about 100 rules in the "mangle" chain of iptables). Right now ...
10
votes
1answer
2k views

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 ...
29
votes
1answer
2k views

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 ...