The tag has no usage guidance.

learn more… | top users | synonyms

5
votes
1answer
913 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: ...
3
votes
1answer
963 views

Limiting bandwidth with hashlimit (e.g. kb/s — not connections!) doesn't work, though the man page says it should

According to the iptables-extensions man page hashlimit can do bandwidth limiting: "flows exceeding 512kbyte/s" => --hashlimit-mode srcip,dstip,srcport,dstport --hashlimit-above 512kb/s ...
3
votes
1answer
2k 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 ...
2
votes
1answer
344 views

Use traffic shaping with tc on debian jessie to limit only one virtuall IP

My server has multiple IPs on which only one is mapper to the inbound physical interface eth0. Other IPs are handled in a virtual manner via iptables/DNAT. I want to limit the traffic to one of my ...
2
votes
1answer
3k views

Ingress filtering in Linux traffic control: Redirect traffic to IFB device

I have an openwrt router and I want to shape incoming traffic in order to classify all the traffic addressed to a certain IP address in my home network as low priority. For that purpose I want to ...
2
votes
1answer
245 views

Is there an equivalent of LinuxIMQs in BSD?

Is there an equivalent of LinuxIMQs in BSD ? From linuximq.net: The imq device has two common usage cases: Ingress shaping: With linux only egress shaping is possible (except for the ingress ...
2
votes
1answer
450 views

How can I do traffic shaping in Linux by xen guests?

I want to be able to set up two xen guests like this: xen-create-image --hostname=xen1.example.com --size=10Gb --swap=512Mb --ip=192.168.0.101 --force --memory=256Mb --arch=i386 --debootstrap and ...
1
vote
1answer
32 views

Linux: limit outgoing bandwidth based on destination /24 network

I am setting up a scanning system for a Pentest company. The box has loads of bandwidth and I'm concerned that testers could inadvertently DoS the clients. Capping the outgoing bandwidth to 10mbps ...
1
vote
1answer
40 views

tc filters not working with DRR

I am trying to control the outgoing traffic from two VMs with the DRR qdisc. This is the hierarchy I want to have: root | qdisc drr ...
1
vote
1answer
102 views

QoS Traffic Shaping based on packet loss and latency for VPN

I am currently having the following situation: I am using a VPN (OpenVPN) over a rather unstable internet connection. This means the maximum bandwidth varies between 100kbs and 1mbit. Whenever the ...
1
vote
1answer
386 views

Traffic shaping - Controlling burst time and rate - on Debian server

I run a busy website on a Debian server that utilises Shorewall for most of the traffic management. I need to work out a way to shape excess traffic so that all users can burst up to a maximum speed ...
1
vote
1answer
884 views

Per-user dynamic traffic shaping

At work we have a dedicated Internet link for everyday use (servers use a different link) with limited upload bandwidth (currently 3Mbps). Since there are ~80 users, sometimes this upstream link ...
0
votes
1answer
147 views

linux tc: unstable rate using tbf qdisc

This is the first time I am experimenting with tc. What I am trying to achieve is to limit the download rate that passes through a Virtual Machine that acts as gateway. The VM has two Ethernet ...
0
votes
1answer
205 views

How to set 1Mb speed per host in pfsense

Currently we are using pfsense latest version and I want to assign download speed upto 1Mbps per host and also setup squid proxy and working on bridgh mode in pfsense box.
0
votes
1answer
137 views

Dynamic bandwidth limitation with pfSense

Currently we have a squid proxy to access internet. A single download can saturate the lines and in this circumstance a second user experiences extremely poor performance trying to surf the web. I ...
0
votes
1answer
454 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 ...
0
votes
1answer
56 views

cisco asa 5512-x policing

I have a single 100mb leased line that will be shared by three unrelated companies. We are looking to buy a cisco ASA 5512-X and I need to use policing to ensure that each company receives 1/3 of ...
0
votes
1answer
555 views

Linux Traffic Shaping with “tc”: QoS filter for requests directly on the host not applied?

I'm trying to reduce the interface thoughput to debug my application on slower network speed. I've remembered a tc statement to do this on a interface which was working in the past. I used it on a ...
0
votes
1answer
386 views

split traffic on two eth ports

I have a linux Proxmox server with two ethernet ports. The problem is that I have two uplinks that I would like to use with different bandwidth limitations. The first uplink maxes out at 100mbs and ...
0
votes
1answer
678 views

Traffic shaping L2TP/IPsec VPN (via accounts not connection)

I need to be able to control the amount of bandwidth a specific user account can use on a VPN connection. One account I want to be able to use the VPN with no restrictions and another account I want ...
2
votes
0answers
723 views

iptables & tc limit both upload & download together

I have the following for iptables & tc but it limits the upload speed to 2Mbits once the quota of 1GB has been hit. iptables -t mangle -A POSTROUTING -o eth0 -p tcp -m owner --uid-owner aaron -...
2
votes
0answers
3k views

How to share bandwidth equitably between 16 users on a pfsense multi-WAN router

I have 16 users connected to my pfSense single-LAN, 3-WAN router. The 3 WAN ports connect to ADSL lines giving about 4Mb/s down, 800kb/s up each. I would like to prevent any one user hogging the ...
2
votes
0answers
275 views

Ubuntu traffic shaping by source mac address or destination host

Is there an easy way to manage traffic shaping/bandwidth monitoring to limit traffic based on source mac address and/or destination server address?
1
vote
0answers
84 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 ...
1
vote
0answers
28 views

Traffic control

Good day! I am using Traffic control on ubuntu 14.04 for shaping bandwidth for rate 5Mbit/sec. After some time I would like to change the rate. As fas as I understand I can do that with "change" ...
1
vote
0answers
92 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 ...
1
vote
0answers
57 views

How to throttle bandwidth for ipalias in Linux

I want to slow the connection between some nodes to a virtual node inside one machine. (different nodes use different ip with ip-alias or with different ports) In Linux, is it possible to slow the ...
1
vote
0answers
45 views

IP hashing filter in traffic shaping

I am using a traffic shaping by IP hashing filter. I have Five networks /24 : 192.168.1.0/24, 192.168.2.0/24 .. 192.168.5.0/24 so i create a table with 5 cells and each cells has 256 cells. this is ...
1
vote
0answers
682 views

Linux Traffic Controller (Linux tc): hierarchical token bucket (htb) packet queue size

In my Linux router, I am using the following configuration to limit the rate of traffic towards port 44444 of a client in the LAN (client address is 192.168.10.2, connected through the router's eth1 ...
1
vote
0answers
61 views

How to test if packet has been tagged with classid

I'm trying to troubleshoot an issue I'm having related to IFB Mirroring which I'm attempting to deploy based on this question: Tc: ingress policing and ifb mirroring My theory is that since the ...
1
vote
0answers
121 views

Group traffic shaping with traffic control?

I'm trying to limit the output bandwidth generated by an application with linux tc. This application sends me the source port of the request that I use has a filter to limit each user at a given ...
1
vote
0answers
163 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 ...
1
vote
0answers
534 views

FTP Transfers Slow Between 2 Servers

Between 2 dedicated servers, hosted in 2 different DCs (different companies), the FTP upload speeds are always much slower than the max connection speed. Specs: Windows 2008 on both. Quad core/8 GB ...
1
vote
0answers
198 views

Equalizing bandwidth according to use

I need a way to prioritize packets without setting bandwidth limits. For example, I have a client using the whole bandwidth. As soon as other clients need bandwidth, reduce the bandwidth of the former ...
1
vote
0answers
90 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: ...
1
vote
0answers
593 views

tc u32 match protocol [any] in recent kernels — where to discuss?

I've been using debian with 2.6.26 kernel; now I've started to test 2.6.32 for my needs. And I've noticed that u32 filter behaves differently for, namely, "protocol 802.1q". To discover the tendency, ...
1
vote
0answers
264 views

tcng & tc hiercharchy

Let me explain what I'm trying to do, we have one 10Mbps line coming in, we want to divide that up into 3 3Mbps sections, which are defined by each subnet, then in one of these subnets we have ...
1
vote
0answers
844 views

Traffic shaping for gateway to stop leechers

I am new to traffic shaping, but I need a quick simple shaping. I have a free internet service on my place using wifi. All www traffic has been routed to transparent proxy. We have a 10mbps connection,...
1
vote
0answers
891 views

Freebsd, ipfw sched - config type = QFQ get frozen

I have some freebsd soft-router $uname -r 8.2-STABLE code for ipfw: pipe 50 config bw 70Mbit/s sched 50 config type QFQ queue 502 config sched 50 weight 1 mask dst-ip 0xffffffff queue 501 ...
1
vote
0answers
295 views

Troubleshooting iptables and configuring it to drop the priority of long-term connections

I'm somewhat familiar with the general concepts of iptables, and would like to learn it in more detail. I'm hoping that my learning experience can also be useful. The situation: I'm running dd-wrt ...
0
votes
0answers
3 views

Monitor network traffic by FireQOS class?

I'm using FireQOS (which is basically an abstraction on top of the Linux tc qdisc mechanism as well as iptables) to classify traffic into different bandwidth classes. I can watch the bandwidth per ...
0
votes
0answers
377 views

Mikrotik Queue Tree Priority and PCQ

I know very basics of mikrotik and trying to learn advance bandwidth management. Requirements: Group-A Users - 10.10.0.1/24 Group-A Users Bandwidth Allowed = 64k Per User with following Priorities ...
0
votes
0answers
47 views

Linux outbound traffic filtering with: cgroups + tc + iptables

I spent a lot of time trying to implement outbound traffic filtering with: cgroups + tc + iptables on Debian Jessie. Unfortunately there is still something wrong. The biggest issue is: - cgroups ...
0
votes
0answers
137 views

tc add delay by specific port

Am trying to simulate WAN latency between an application server and an Oracle database server. The database server itself runs several instances, one of which is my applications 'local' instance, ...
0
votes
0answers
24 views

esxi traffic Shaping

There's a good description of how traffic shaping works on a esxi Standard Switch here. In short, there are three settings: average bandwith peak bandwith burst size Traffic can be sent with peak ...
0
votes
0answers
54 views

TC - delete exact filter

Im't trying to automate traffic shaping on some system n one interface, using next script. This script adds classes and filters by one per class, width command like: tc filter add dev eth0 parent 1: ...
0
votes
0answers
124 views

TC fails to shape traffic with DRR

I try to control outgoing traffic from my server. I want to have several classes with different QoS parameters. For the scheduling I'm using DRR. The following commands (should) create a Tree of ...
0
votes
0answers
281 views

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 ...
0
votes
0answers
90 views

Incorrect real bandwidth in traffic shaping

I am trying to create a traffic shaping by HTB and iptables.I want to control bandwidth per IP so I create for each IP a class and I am using iptables marketing to assign individual filter to each ...
0
votes
0answers
55 views

How to change give highest priority to Mail traffic on port 25 with tc

How can I give the highest priority to mail traffic on port 25 whit tc? I tried prio option but It didn't work out for me or maybe I'm missing something. I'd appreciate any help.