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Questions tagged [mininet]

Mininet is a network emulator.

Mininet can be used to deploy a full network topology on your system. It runs a collection of end-hosts, switches, routers, and links on a single Linux kernel. It uses lightweight virtualization to make a single system look like a complete network, running the same kernel, system, and user code.

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636 questions
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warning:lib openflow _01 fields ignored due to unspecified prerequisites nw_src nw _dst

This question has been asked previously and I have tried everything given in the answers but still getting the same warning. I am using code in this link (lab4.py & lab4_controller.py). I am creating a separate file of topology in /mininet/examples…
Debapriya Sen
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While developing multihomed reliable udp, how can I detect that a link is down using mininet?

Here is the topology: -----s0---s1----- h1 --| |--h2 -----s2---s3----- h1 pumps a file to h2 using UDP in a reliable way. The link between s0 and s1 may be down. Then it should continue to send the data using only the…
uLtRaLoVeR
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Assertion error on mininet-test experiment

My friend and I tried to reproduce this mininet-test experiment: https://github.com/mininet/mininet-tests/tree/master/dctcp We self created a VM and installed Mininet 2.2 on ubuntu with kernel version 3.18.9, which included dctcp and tcp_probe…
Chung
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mininet and openvswitch cpu utilization?

So I want to know in a mininet network how much CPU consumes one OpenVSwitch? and how many flow table entries can the openvswitch allow? Thank you!
user3811517
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Change hostname in mininet host

I need to emulate a network with n hosts connected by a switch. The perfect tool for this seems to be mininet. The problem is that I need to run a python script in every host that makes use of the hostname. The skript acts different depending on the…
Simon Hessner
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use tcpreplay for real trace internet dataset

I have CAIDA internet trace dataset and it contain more than 200000 unique IPv4 addresses and almost 1 million flows. Im currently using mininet to emulate my SDN project and i wish that i could use this dataset in my simulation. What i plan is tou…
user3085445
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Mininet ~ Load Balacing

I have to work on Mininet, Python, SDN and my objective is to do a simple task: create a network with some switches connected randomly (so the topology is not important), every one with a host connected. In the network I have to do load balancing…
gatb27
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Bandwidth set via Mininet python APIs does not reflect in Opendaylight

I have been trying to simulate a network in mininet with different edges/links having different bandwidths. I am using a following command to add a link with a specific bw in mininet. In the following snippet I am setting the bandwidth of the edge…
Abhishek
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mininet dpctl mod-port in python

I can't get dpctl mod-port working on one switch. I defined as a designated port 6634 with net = Mininet( ..., listenPort=6634) and i have a topology of 6 switches. "dpctl mod-port 1 up" works in the mininet console but acts on all switches. What i…
Sergl
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Openvswitch support for dpctl

I have installed Mininet and openvswitch under Ubuntu 14.04. Trying to issue vSwitch datapath commands (to the Vswitch) using dpctl. When issuing a dpctl command at the bash prompt, the return is always "command not found". This is true when using…
Kovalick
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Why mininet default controller always work in loop back interface 127.0.0.1

Why mininet default controller always work in loop back interface 127.0.0.1 and why ip cannot change in default controller ? If any one can help me please thank you
khan
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Pox/Mininet: learning location of hosts

My question might be a little vague as I clearly misunderstand a lot, but I'll give it a try anyway: Suppose I have 7 switches in a Fat Tree topology, and the bottom four are each connected to two hosts. When I start the controller I instructs the…
Yotam
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Checking mode availability using ping in RYU controller

I’m trying to write code that checks if a node is up by pinging the node in ryu controller. If the node responds, then the node is marked as being up. I already have the code for the controller so I want to incorporate this ping code into the…
Elo
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[Mininet/Python]: Cant get the hosts two ping each other

As a part of an experiment, my network has the following topology for two host machines connected to two routers in mininet(on Ubuntu 22.04.02 Virtual Machine) h1 - r1 - r2 - h2 I have written the following script in mininet API to set…
Toshitt Ahuja
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Ethtool return "Operation not supported"

I work in mininet and use ethtool to change configuration of switch but it return error and not work. Can anyone know how to solve this? $ sudo ethtool --pause s2-eth3 autoneg off rx off tx off Cannot get device pause settings: Operation not…
Tabarak Y KH
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