Questions tagged [mininet]
For questions about Mininet a network emulator running a collection of end-hosts, switches, routers, and links on a single Linux kernel.
21
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[Mininet/Miniedit]: Routing doesnt seem to work in case of 2 routers [closed]
Similar to the question asked yesterday, as a part of an experiment, my network has the following topology for two host machines connected to a router in mininet(on Ubuntu 22.04.02 Virtual Machine)
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226
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[Mininet/Miniedit]: Can't get the host machines connected via a router to ping each other [closed]
As a part of an experiment, my network has the following topology for two host machines connected to a router in mininet(on Ubuntu 22.04.02 Virtual Machine)
h1 - r1 - h2
The host Machine 'h1' ...
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0
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280
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pinging with iperf vs without iperf
I am running a basic point to point topology on mininet. If I do h2 ping h1, I get such rtt values:
rtt min/avg/max/mdev = 0.028/0.067/0.129/0.022 ms
But when I ping while the iperf is measuring, my ...
- 101
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85
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A flow hit the OpenFlow flow table improperly
I did a small experiment by using mininet,ONOS, Iperf.
I want to see flow routing according to srcIP, dstIP, UDP, dstPort.
Therefore, I generated a UDP flow (srcIP=10.0.0.3, dstIP=10.0.0.2, dstPORT=...
- 25
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583
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how to send tcp packets between 2 hosts on same network
iam using mininet network simulation tool and i need to send tcp packets between 2 host hosts are 10.0.0.1,10.0.0.2 ,i used the hping3 but is sends ip packets also i used this command
hping3 -c 1 [...
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1
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322
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Detecting access point tree on POX Spanning Tree
I have created a topology at Mininet-Wifi with 4 access point and 2 station.
#!/usr/bin/python
import sys
from mininet.net import Mininet
from mininet.node import Controller,OVSKernelSwitch, ...
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335
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dpctl: OpenFlow packet receive failed: unexpected end of file
I'm doing some experiment with SDN and pox controller, I have written flows manually shown below:
dpctl add-flow tcp:127.0.0.1:6653 in_port=10,actions=output:14
dpctl add-flow tcp:127.0.0.1:6653 ...
1
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1
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45
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data transfer to another domain
I want to have a simple multi-domain topology in mininet in which each domain is controlled by a single controller. I'm using Floodlight controller and OVS (switches).
Imagine this topology:
c1 ...
- 127
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1
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414
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The communication among multiple controllers
I want to have a simple multi-domain topology in mininet in which each domain is controlled by a single controller and the communication among domains will take place through controllers. So I will ...
- 127
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2
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375
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Direct packet forwarding by controller
In a SDN network when a switch receives a packet for which it can not find a match in its flow table, it will forward this packet to the controller. The controller will decide about this packet and ...
- 127
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392
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Add a flow to OVSK for communication
I have created a torus topology in mininet by enabling sflow and connecting to POX controller for topology discovery. Below is the command.
sudo mn --custom=sflow-rt/extras/sflow.py --link tc,bw=10 --...
- 21
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120
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Mininet CLI output redirect [closed]
I am running a custom topology in Mininet and would like to get bandwidth between each switch. When I try Iperf s1 s2, I get the results which is good.
Now I want the output to redirected to a file. ...
- 21
1
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1
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110
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Default Action in SDN Controller
In legacy IPv4 networks there exists a default route concept for routers where a router does not need to know exact destination of IP packet.
Is there a default action concept for SDN switches? Let ...
- 11
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2
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488
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How to configure VLAN?
I have simple tree topology network. I want to configure VLAN on this network, PFA the image.
Am I wrong? Can VLANs actually be configured like this. I have setup this topology on mininet.
More of ...
- 113
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2
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240
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How ethernet links can have a delay and loss
In some simulation environment, such as mininet, you are given parameters when you define your virtual link between switches such as: bandwidth, delay, and loss. I understand a link has a bandwidth ...
- 37
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99
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OpenFlow takes some seconds to apply rule
Is there a delay for openflow rules added with ovs-vsctl tool?
I am successfully limiting the traffic of a specific interface with:
ovs-vsctl set interface s0-eth1 ingress_policing_rate=128
...
3
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2
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1k
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Problem with an n-host, zero-switch topology in mininet
I am experimenting a bit to gain a better understanding of Mininet and Openflow. I have built a topology with n hosts in a line and no switches. Strangely, host 1 and host 2 can ping each other but ...
- 141
1
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1
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1k
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Problem configuring QoS with FlowVisor and OpenVswitch
I am running a small experiment to isolate bandwidth with flowvisor (version 1.4, version 1.0 of openflow) implementing a port based slicing. With mininet, I create a topology that consists of a host ...
- 41
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1
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707
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Application aware routing in software defined network
For the last couple of months i am delving into SDN and trying to implement the application aware routing through SDN .
Application aware routing:
SDN controller will route each application data ...
- 133
1
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1
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825
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Get packet loss from Open Flow switch
I am using an Ryu controller (3.22) to monitor switches (Open vSwitch 2.0.2, supporting Open Flow 1.3), which are a part of virtual network created using mininet (2.1.0). It is a tree topology with ...
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Decoding packets in an OpenFlow ryu switch
I'm trying to examine a simple OpenFlow ryu switch, and get out of it the destination and source addresses.
I'm using Mininet.
For example for the next commands:
h1 python -m SimpleHTTPServer 80 &...
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