Questions tagged [openflow]
Openflow is a switch specification that enables the switch to communicate with the remote controller through an openflow protocol and allow it to change its configuration.
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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 ...
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How to parse OpenFlow packets using tcpdump capture file programmatically
I am working with OpenFlow packets and am analyzing the network via tcpdump.
Currently, I use the WireShark GUI to parse the generated capture file and it does serve my need.
However, I was ...
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GRE Mesh to GRE Star in open virtual switch
i have 3 kvm hosts running open vswitch with many virtual machines.
These vms are on two separate tenants and GRE tunnel carries private traffic between these 3 hosts.
But is there a better way to ...
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What flow rules to add to the table for L2 Forwarding in open vSwitch?
I am performing an experiment on 2 Xeon based servers. Both the servers have two dual port NIC, total 4 NICs. OVS is running on one server and DPDK pktgen on the other server.
I tried to add flow ...
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Looking for OpenFlow capable Converged Switch [closed]
I'm looking for a switch with the following features:
has GBit and 10GBit ethernet interfaces
has FibreChannel Uplink ports (4 & 8 Gbit)
can use OpenFlow to regulate network traffic.
Does anyone ...
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OpenDayLight SDN: Can't get openflow table info via OpenDayLight RESTCONF
I'm trying to connect several openflow OVS instances to OpenDayLight SDN.
My switches succesfully attached and I can get the nodes informations via the following RESTCONF request:
/rests/data/...
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Rate limiting using openflow
I'm trying to perform rate limiting using Queues on Openflow. I've been using 3 files. One to create the topology (top.py), one to create the policies (pol.py) and one to create queues (queue.py).
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network switch features recommended for use with open vswitch
I am looking to setup openvswitch to use with a handful (<10) servers and need a couple of ethernet switches to implement this.
Are there any features that are recommended to be present in the ...
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How to set network configuration for openflow on openwrt?
I made a custom build Openwrt (barrier breaker) with Openflow 1.3 and I could connect it to ryo simple_switch_13 controller in outofband mode. Ehternet port number 3 and 4 are set as openflow ports ...
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Command to check openflow version
I Installed mininet in Ubuntu system, By default openflow also installing with mininet. But how can I know the installed version of openflow?
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./pox.py log.level --DEBUG forwarding.l2_learning not working as expected
I have installed openvswitch on my PC with runs Ubuntu 12.04.I also have virtual box running on my PC with 3 virtual machines (Ubuntu 12.04) running on them. are named
vm-1
vm-2
vm-3
I have ...
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MPLS Implementation OpenFlow Iperf Testing
I have a mininet topology that consists of two hosts and two ovs switches. h1-eth0 is connected to s1-eth1 and h2-eth0 is connected to s2-eth2 and s1-eth2 and s2-eth1 is also connected. h1 is for ...
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OVS and IPFIX :: Why is my bridge only exporting bridge-to-collector flows?
I’m new to OVS and trying to get IPFIX working on my OVS bridge. I’m building off the great information in this previous post:
https://networkengineering.stackexchange.com/questions/5848/how-to-get-...
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Automatic OpenFlow Timeout Messaging
This question might come off as slightly hypothetical, but I couldn't figure how else to ask it.
The OpenFlow protocol has a feature which lets its rules get deleted when no traffic matches them. ...
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Blocking mac spoofing on libvirt guests using openflow
I have a couple of kvm vms running with libvirt and they are using openvswitch bridges. I need a mechanism to prevent mac spoofing on a guest. I tried libvirt filters no-mac-spoofing and clean-traffic ...
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