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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.

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How to install ipfw / DummyNet on Ubuntu 10.10?

There seems to be a man page an ipfw but I can't find what package I have to install to use ipfw / DummyNet. Any hints?
Jan Deinhard
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Squid packet injection / replace

I have a server which will act as a proxy, using squid. My goal is to have something replace outgoing data. I tried ettercap, no luck whatsoever. The idea is, whatever-will-replace-data needs to run alongside with squid on the same box. Any ideas of…
Adrian A.
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Per-IP bandwidth monitoring and trafic shaping solution for 100Mb network

I have about 30 servers connecting into a Cisco 3500 series switch, with 100M upstream bandwidth. Periodically, one or more of my servers will do a large file transfer which will completely saturate the network and cause 10-15% packet loss to other…
John P
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How to read and create this type of TCPDUMP

I am having an issue with my tcpdump command i have created. Chances are its wrong. What i want to do is this: Run this command: tc qdisc add dev eth0 root tbf rate 6kbit latency 50ms burst 1540 run this tcpdump: sudo tcpdump host wiki and wiki2…
John Riselvato
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How to prioritize openvpn traffic?

I have an openvpn server, with one network interface. VPN traffic is extremely slow. I tried to do traffic control with this configuration (currently): qdisc del dev eth0 root qdisc add dev eth0 root handle 1: htb default 12 class add dev eth0…
aditsu
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Why are some UDP packets getting blocked?

In our organization, we have two test machines running Windows XP. While attempting to test a roll-my-own UDP message server, I found that both could receive small messages (under 2k) just fine. However, when I test sending large packets to both…
Tom A
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Distinguishing between types of P2P traffic on a Packet Shaper

I attend and work at a university where we have a packet shaper (an old Packeteer -- 3-ish years old or so) which relegates P2P traffic to the lowest priority in the queue in order to prevent P2P abuse (BitTorrent, etc.). However, the game StarCraft…
Ben Torell
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Applying a quota to network bandwidth (guarantee minimum throughput)

I have a 10Mb internet connection (via an ethernet cable) I have five servers that will use this internet connection. I want each server to be able to use as much bandwidth as possible when it is not in use by other servers, but guarantee that each…
DrStalker
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How to realize a user-based bandwidth throttling in VPN or Proxy server

I created my own VPN or proxy server on a rented Ubuntu server. For example it may be an OpenVPN server with Pritunl or a Wireguard server with wg-easy or wg-install or firezone installation script. In another case, I created a https proxy server…
Monerig
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Ingress traffic shaping with OVS port

I have a ovs topology like this: h1 | | [SW 1] / \ / \ [SW 2] [SW 3] \ / \ / [SW 4] | | h2 Traffic is sent from h1 to h2. I want do this thing: in normal…
Hai Pham
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Traffic shaping for multipath routing in OVS

I'm working with OVS and tried multipath routing using group tables like in this link: https://github.com/PSIB0T/Multipath-Routing. It splits traffic to buckets with output is different ports. At first, I thought the traffic would be split into…
Hai Pham
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Traffic control on an interface for all sessions

On an interface that is connected to a 1G port I want to limit all users/sessions to have no more than 20Mbits download speed individually. I mean If two of them tried to use bandwidth at the same time each should be able to get 20Mbits. I use this…
PouJa
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tc display hash filter statistic

I just add tc filter like this : tc filter add dev enp1s0f0 parent 1:0 protocol ip prio 1 u32 match ip dst 10.90.0.0/16 flowid 1:1 tc filter add dev enp1s0f0 parent 20:0 prio 1 handle 4: protocol ip u32 divisor 256 tc filter add dev enp1s0f0…
PawelZ
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How can I have different delays for different IP Addresses using tc and netem?

I have been using tc with netem to delay packets being sent from my computer to a specific IP address. I have managed to get this to work but I would like to have unique packet delays to each IP address. For example: 500ms delay to 1.2.3.4 1000ms…
P Malone
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Is It Possible to configure shaping on Nexus 3064 wtih NX-OS v.6

Is there any can give a solution about how Nexus 3064 could be configured QoS or shaping on their interface? I'd trying use some policy-map but still doesn't working.
Dananjaya Risang
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