Questions tagged [traffic-shaping]

Traffic shaping is a technique to delay some or all datagrams to comply with desired traffic profile.

Traffic shaping is a network traffic management technique which delay some or all datagrams to bring them into compliance with a desired traffic profile. Traffic shaping is used to optimize or guarantee performance, improve latency, and/or increase usable bandwidth for some kinds of packets by delaying other kinds.

232 questions
0
votes
3 answers

How can I restrict downloads for specific users?

I am running an Active directory and I need to specifically restrict downloads to some users while being able to surf the web... Is there a tool to do this?
Luiscencio
  • 113
  • 3
0
votes
1 answer

iptables is marking packets with wrong number while copying file by scp

[Case1] When copying file from server (being on client) to client, packets are marked incorrect with 3 (root). [Case2] When copying file from server (being on server) to client, packets are marked correct with 1003 (test1). Server ip 192.168.0.16,…
Abc Xyz
  • 608
  • 1
  • 8
  • 16
0
votes
1 answer

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 interfaces. Traffic coming from the users enters eth0…
stois21
  • 1
  • 1
0
votes
1 answer

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 (download+Upload) using pfsense and also setup squid proxy which working on bridgh mode in pfsense box. Anyone have idea to setup this ?
Nullpointer
  • 164
  • 8
0
votes
1 answer

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 try to better clarify what I'm complaining…
Filippo
  • 353
  • 5
  • 16
0
votes
1 answer

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 qdisc add dev eth0 root handle 1: htb default 1 tc…
0
votes
2 answers

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 running CentOS 7. I have been attempting to use tc +…
user274562
  • 21
  • 1
  • 5
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
1 answer

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 the bandwidth. So I can set three vlans but can I…
0
votes
2 answers

Why does a traceroute from one location to another and vice versa show different paths?

I have recently be plagued by low download speeds from my server and was curious, so I ran a traceroute. (I have removed the end IP and the start IP). I achieve a download speed of 220Kb/s when I am promised a speed of 30Mbps by my ISP (the server…
Sameer Puri
  • 121
  • 1
  • 4
0
votes
1 answer

Traffic shaping for upload/download speed simulation

I'm building a network emulator to help realize different speeds. Basically, this system would shape a given user's network metrics (such as upload speed/download speeds/packet loss/jitter etc) based on the user's request. For instance, if a user…
0
votes
0 answers

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 class in other mean to each IP . I have near 11000…
samie
  • 47
  • 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
0
votes
2 answers

Is ibdump in Mellanox OFED 2 supported in Ubuntu 14.04?

I have Ubuntu 14.04. I have Mellanox Technologies MT27500 Family [ConnectX-3] HCAs. I was able to pass all the tests like ibping and ib_rdma_lat. Now I'm running MPI tests to verify that InfiniBand is working. How can I actually see that there is…
Grigory
  • 167
  • 1
  • 2
  • 9