Re: [ovs-discuss] Support for in/out interfaces in IPFIX

sFlow-RT is a programmable external flow cache that handles the packet parsing. It can be programmed to export IPFIX records. http://blog.sflow.com/2016/05/sflow-to-ipfix.html # start the flow cache docker run -p 6343:6343/udp -p 8008:8008 -p 4

Re: [ovs-discuss] Multiple sFlow instances in Open vSwitch

> On Sep 20, 2016, at 11:18 AM, Ben Pfaff wrote: > > On Tue, Sep 20, 2016 at 08:06:19PM +0200, Syed Faraz Ali wrote: >> Is there a way to configure multiple sFlow instances running on the OVS? >> I configured an instance below: >> >> *ovs-vsctl -- --id=@sflow create sflow agent=eth0 target=\"19

[ovs-discuss] Flow analytics with Mininet

-analytics.html I hope the script will make it easier for Mininet users to incorporate traffic analytics in their projects. Peter ___ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss

Re: [ovs-discuss] controller's role mismatch?

ld help to explain what is going on. " , so lets go this way. Peter Gubka -Original Message- From: Ben Pfaff [mailto:b...@ovn.org] Sent: Tuesday, May 10, 2016 7:17 PM To: Peter Gubka -X (pgubka - PANTHEON TECHNOLOGIES at Cisco) Cc: b...@openvswitch.org Subject: Re: [ovs-discus

Re: [ovs-discuss] controller's role mismatch?

Hi. How will we continue? I havent noticed your answer. Peter Gubka -Original Message- From: Peter Gubka -X (pgubka - PANTHEON TECHNOLOGIES at Cisco) Sent: Wednesday, May 04, 2016 9:00 AM To: 'Ben Pfaff' Cc: b...@openvswitch.org Subject: RE: [ovs-discuss] controller'

Re: [ovs-discuss] controller's role mismatch?

22 for building, Peter Gubka -Original Message- From: Ben Pfaff [mailto:b...@ovn.org] Sent: Tuesday, May 03, 2016 7:35 PM To: Peter Gubka -X (pgubka - PANTHEON TECHNOLOGIES at Cisco) Cc: b...@openvswitch.org Subject: Re: [ovs-discuss] controller's role mismatch? On Tue, May 03, 2016

Re: [ovs-discuss] controller's role mismatch?

d", so i believe that was no reconnection. 2 bridges with 3 controllers each. 1) Around time 08:48:53 14 became master s1 and 13 for s2 2) After time 08:48:56 i setup 2 more controllers for both s1 (12,13) and s2(12,14). How do i know if i see "vconn|DBG|tcp:10.25.2.14:6653: received

Re: [ovs-discuss] controller's role mismatch?

): role=slave generation_id=3 2016-04-22T08:48:57.209Z|00242|vconn|DBG|tcp:10.25.2.14:6653: sent (Success): OFPT_ROLE_REPLY (OF1.3) (xid=0x1): role=slave generation_id=3 Peter Gubka -Original Message- From: Ben Pfaff [mailto:b...@ovn.org] Sent: Thursday, April 21, 2016 6:56 PM To: Peter Gubka

[ovs-discuss] controller's role mismatch?

to be master and connected 15 sec ; and 10.25.2.13 and 10.25.2.14 connected 5-6 sec and be slaves. Is something wrong with my approach or is it a bug in openvswitch? Is role parameter reliable? It does not happen always, may be in 50% of cases. Regards, Peter Gubka ___ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss

Re: [ovs-discuss] Collecting data with sFlow

What configuration commands did you use? Did you enable sFlow on each of the bridges? The following Cookbook describes how to configure sFlow: http://openvswitch.org/support/config-cookbooks/sflow/ The polling and sampling settings in your

Re: [ovs-discuss] Ben pfaff Presentation

Ben gave a talk that covered similar material to the Bay Area Network Virtualization Group that was videotaped: https://www.youtube.com/watch?v=T8ssmkK8s0c > On Nov 24, 2015, at 8:18 AM, Ben Pfaff wrote: > > On Tue, Nov 24, 2015 at 07:12:52PM +053

Re: [ovs-discuss] Leaking packets from one bridge to another or how can I isolate networks with OVS?

an OVS related problem I had, but it seemed like that in the first place. I just want to post my solution here, so that it may be of help for someone else with similar problems :) Best regards, Peter On 21.08.2015 16:17, Ben Pfaff wrote: > On Fri, Aug 21, 2015 at 08:41:29AM +0200, Peter Sc

Re: [ovs-discuss] Leaking packets from one bridge to another or how can I isolate networks with OVS?

. The strange thing is that if I remove the interface of my KVM from the br0 in ovs, the ARP requests disappear on br1000. I hope this got a little bit clearer now. I don't think this might be related to the ES Model, or am I wrong here? Best regards, Peter On 20.08.2015 19:07, Ben Pfaff w

[ovs-discuss] Leaking packets from one bridge to another or how can I isolate networks with OVS?

ght direction on what is going wrong here? Is the setup in general ok? How can I achieve that I have isolated networks and only IP forwarding between my outer network and the KVM networks? If any further information is needed, I am happy to give it to you. I have this setup ready and can do tests if needed. Thank you in advance. Best regards, Peter ___ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss

Re: [ovs-discuss] Ports in sflow samples from OVS

tual switches (s1 , > s2) > I again add the sflow agents. I want to sort the samples based on which > switch they are received from. > I am thinking agentSubId & sourceId fields are the ones i must focus on. > However again, is there anyway to map > the sflow sample to the

Re: [ovs-discuss] Ports in sflow samples from OVS

You can use ovs-vsctl to dump the naming information for the ports and extract the mapping between the SNMP ifIndex that sFlow uses to identify ports and the OpenFlow port number / name that the controller uses to identify ports: mininet@mininet-vm:~$ sudo ovs-vsctl --format json --columns name

Re: [ovs-discuss] Subsequent packets get lost

Hi, Thank you, Gowrishankar! MTU 1450 perfectly worked for vxlan! Regards, Peter ___ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss

[ovs-discuss] Subsequent packets get lost

Hi, I have connected two Docker containers on two hosts through an OVS tunnel (tested GRE and VXLAN). I can ping and even login with ssh from one container to another through the tunnel, but I cannot use scp, iperf, etc., because for streams only the first packet reaches destination and all sub

Re: [ovs-discuss] Sflow packet samples in Openstack environment on OVS bridge

underlay / overlay in virtual networks: http://sflow.org/sflow_tunnels.txt <http://sflow.org/sflow_tunnels.txt> Peter > On Apr 22, 2015, at 10:31 PM, harsh jain wrote: > > Hi Peter, > > Thanks for reply. > > What is the difference in vSwitch configuration in Opens

Re: [ovs-discuss] ECMP configuration on openvswitch

verify that it is correct. It’s not surprising that OpenDaylight doesn’t work well with this setup, it doesn’t currently support hybrid OpenFlow forwarding and expects to see OpenFlow packet_in events to drive activities like topology discovery. Peter > On Apr 19, 2015, at 12:45 AM, Lavanya

Re: [ovs-discuss] ECMP configuration on openvswitch

OpenDaylight deletes all the rules when OVS connects. You have to find a way to prevent OpenDaylight from deleting rules. > On Mar 18, 2015, at 3:41 PM, Lavanya M.K wrote: > > Thanks Peter for the suggestion. > I tried the script, but what i am noticing is that the flow ru

Re: [ovs-discuss] ECMP configuration on openvswitch

this approach to work. There are efforts to support hybrid openflow in OpenDaylight http://blog.sflow.com/2014/09/hp-proposes-hybrid-openflow-discussion.html Peter Phaal InMon Corp. > On Mar 14, 2015, at 11:42 PM, Lavanya M.K wrote: > > Hi All, > > I want to have static ECM

Re: [ovs-discuss] OVS NetFlow export - is there passive timeout?

flow expiration settings and flow keys, you are not limited by the options implemented by the on switch flow cache: http://blog.sflow.com/2013/08/restflow.html <http://blog.sflow.com/2013/08/restflow.html> Regards, Peter > On Nov 6, 2014, at 2:26 AM, Motonori Shindo wrote: &g

[ovs-discuss] Basic Questions about Queues in OVS

Hello all, i have a basic question about queue(s) in ovs. My Mininet-Network consists of one switch (s1) and three hosts (h1, h2, h3). The links between the hosts and the switch are configured as 1 Mbps and communication works fine. I started iperf in server mode on h3 and use h1, h2 as cl

[ovs-discuss] Basic Questions about Queues in OVS

Hello all, i have a basic question about queue(s) in ovs. As a example my Mininet-Network consists of one switch (s1) and three hosts (h1, h2, h3). The links between the hosts and the switch are configured as 1 Mbps and communication works fine. I started iperf in server mode on h3 and use

Re: [ovs-discuss] Detecting Elephant flow.

rd is widely supported by data center switch vendors, providing visibility from gateway devices virtualizing physical servers, and extending visibility from the edge into the physical fabric to provide end-to-end visibility to support Elephant flow load balancing etc. Peter On Jul 28, 2014, at

Re: [ovs-discuss] Using OVS+Host sFlow to monitor network traffic

rt that I connected to br0. Does this make sense in my > case? > > Thanks a lot. > > From: Justin Pettit [jpet...@nicira.com] > Sent: Sunday, December 01, 2013 7:00 PM > To: WEIYU LIU > Cc: discuss@openvswitch.org discuss > Subject:

Re: [ovs-discuss] Using OVS+Host sFlow to monitor network traffic

The Host sFlow agent ships with the sflowovsd daemon that automatically configures sFlow on Open vSwitch to match the Host sFlow settings (i.e. picking up sampling rates, polling intervals, sFlow collectors, ports etc). Just run the following command and you should start receiving sFlow from al

Re: [ovs-discuss] hot topic for my thesis

nths to do it, so the topic shouldn't be too complex/hard! > > Regards > Peter Ozsvath > ___ > discuss mailing list > discuss@openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss _

Re: [ovs-discuss] problem of patch port and 'in_port' action

Sep 18, 2013 at 12:41 AM, Ben Pfaff wrote: > On Tue, Sep 17, 2013 at 12:11:37PM +0800, Peter wrote: > > Hello, > > > > I encounter a problem of patch port and 'in_port' action: ovs-vswitchd > hangs when any packet received from patch port > > and matches a

[ovs-discuss] problem of patch port and 'in_port' action

Hello, I encounter a problem of patch port and 'in_port' action: ovs-vswitchd hangs when any packet received from patch port and matches a flow with 'in_port' action. Is it a bug? Or I missing anything? My ovs version is 1.12.90, compiled with recent git source code (commit: 31d738062df326aca4)

Re: [ovs-discuss] sFlow versus NetFlow

SDN controllers, the following articles explore different applications for sFlow: http://blog.sflow.com/search/label/SDN Peter On Jun 19, 2013, at 12:12 PM, Wes Felter wrote: > Check out Mann, V.; Vishnoi, A.; Bidkar, S., "Living on the edge: Monitoring > network flows at the ed

Re: [ovs-discuss] sFlow config of ovs in mininet

rticle useful: http://blog.sflow.com/2013/05/controlling-large-flows-with-openflow.html The article includes a script that maps sFlow agent and ifIndex numbers to OpenFlow dpid and ports - important if you want to tie the metrics to your OpenFlow policies. Peter On May 30, 2013, at 3:54 PM, mehmet fatih

Re: [ovs-discuss] SR-IOV and storage over OVS

torage activity, for example, looking at AoE traffic: http://blog.sflow.com/2011/03/aoe.html Regards, Peter On Apr 5, 2013, at 1:32 AM, Kristoffer Egefelt wrote: > Thanks for the input - I may not have explained myself properly though - I'm > not considering pci-passthrough. > &

Re: [ovs-discuss] NetFlow in openvswitch

flow data to drive OpenFlow functionality (detecting and load balancing large flows for example), the again you might want to take a look at OVS sFlow: http://blog.sflow.com/2013/01/rapidly-detecting-large-flows-sflow-vs.html Peter On Feb 4, 2013, at 7:13 AM, nirmoy das wrote: > Can o

Re: [ovs-discuss] Not seeing any data in the sFlow trend

I don't know anything about mininet or how it uses OVS, but it sounds like there are issues with the sFlow packets that are being generated. A good starting place for diagnosing the problem would be to use sflowtool to print the contents of the sFlow datagrams: http://blog.sflow.com/2011/12/sfl

Re: [ovs-discuss] Strange behavior when rewriting custom Ethernet frames

On 2012-11-01 15:17, Ben Pfaff wrote: On Thu, Nov 01, 2012 at 01:44:20PM +0100, Peter Dely wrote: I am trying to use OVS to rewrite some bytes in an custom-made Ethernet-header (written to a veth interface via a raw-socket). However, OVS does not behave as expected. ... ovs-ofctl (Open

[ovs-discuss] Strange behavior when rewriting custom Ethernet frames

3 0101 ec03 0138 0x0050: 0504 0002 > ovs-ofctl dump-flows br0 NXST_FLOW reply (xid=0x4): cookie=0x0, duration=1286.064s, table=0, n_packets=12858, n_bytes=1105746, in_port=1 actions=load:0x99->NXM_OF_ETH_DST[],output:3 >ovs-ofctl --version ovs-ofctl (Open vSwitch) 1.3.0 Any ideas

Re: [ovs-discuss] monitoring traffic VM using sflow

-sflow-and-netflow-in-vswitch.html You can monitor the CPU along with the network traffic if you install a Host sFlow agent: http://host-sflow.sourceforge.net/ Peter On Oct 23, 2012, at 8:52 AM, Giz eudocia wrote: > hello, I want to ask, why the sFlow flow statistics from interface coun

Re: [ovs-discuss] Topology discovery in ovs

There is an inherent limitation in using traffic data to map topology - you can only see links that carry traffic. However, even backup links carry some traffic (STP, LLDP etc.) so it generally isn't much of a problem. Regards, Peter On Jun 4, 2012, at 7:50 PM, Motonori Shindo wrote: >

Re: [ovs-discuss] [BUG] multi-/broadcast counter, sFlow

, ifInUnknownProtos, ifOutMulticastPkts, ifOutBroadcastPkts counters aren't available and are marked as unknown in the sFlow counter structure. Peter On Apr 24, 2012, at 6:29 AM, Christoffer Loeffler wrote: > Hello, > > I ran in a curious measurement when I looked at sFlowTool and sFlowT

Re: [ovs-discuss] Does OVS monitors incoming traffic onto the VMs?

Hi Marcos, OVS supports sFlow and NetFlow for traffic monitoring. The following article describes how to configure sFlow and NetFlow and provides a comparison using free real-time traffic monitoring tools: http://blog.sflow.com/2011/10/comparing-sflow-and-netflow-in-vswitch.html Peter On Feb

Re: [ovs-discuss] Open vSwitch 1.1.1 Available

On Wed, Jun 15, 2011 at 1:15 PM, Ben Pfaff wrote: > On Tue, Jun 14, 2011 at 08:03:38AM -0700, Peter Phaal wrote: >> The porting guide shows an "ofproto provider" block in the first diagram, >> which I take to be the ofproto plugin? This block is dropped in the second

Re: [ovs-discuss] Open vSwitch 1.1.1 Available

On Jun 13, 2011, at 11:51 PM, Justin Pettit wrote: > >> I guess I am not clear where in the ofproto -> ofproto-dpif -> dpif -> dpif >> provider -> datapath stack the decision to use exact_match or keep wildcards >> is made. It seems like it would be a good idea to try and push that decision >

Re: [ovs-discuss] Open vSwitch 1.1.1 Available

Justin, thanks for the comments. On Jun 10, 2011, at 10:14 AM, Justin Pettit wrote: > Hi, Peter. Thanks for writing this up. To integrate with hardware, > implementors are better off looking at the set_netflow() function in > "ofproto/private.h". I think you meant to lo

Re: [ovs-discuss] Open vSwitch 1.1.1 Available

10/08/wireless.html Looking at the big picture. Combining the scalable traffic monitoring of sFlow with the fine grain traffic controls of OpenFlow creates interesting opportunities for adaptive load balancing and traffic shaping within the software defined network: http:/

Re: [ovs-discuss] Some questions on ovs

On Jan 7, 2011, at 10:31 AM, Daniel Tiron wrote: > Yes, I have to get the packets into the userspace. But I have to do this > anyway because I need to process the data with a monitoring tool called > vermont [1]. > > [1] http://vermont.berlios.de/ > In addition to span port monitoring, there a

Re: [ovs-discuss] Question about configuration ovs-ctl and routing

s based on netfilter/iptables/ULOG. The following article describes an sFlow solution: http://blog.sflow.com/2010/12/ulog.html Peter On Dec 20, 2010, at 2:38 PM, Admin HRD.pl wrote: > Dnia 20-12-2010 o 00:49:26 Jesse Gross napisał(a): > >> On Sun, Dec 19, 2010 at 3:00 PM, Admin HRD

Re: [ovs-discuss] about monitoring openvswitch traffic

visibility into traffic and virtual machine performance: http://blog.sflow.com/2010/10/sflowtrend-adds-server-performance.html Peter On Nov 12, 2010, at 12:31 PM, Cain NG wrote: > Hi, > > I configured the xen server with 2 network interface and I used sflow to > monitor the openvsw

[ovs-discuss] Open vSwitch performance monitoring

Peter ___ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org

Re: [ovs-discuss] Re : Re : Re : OvS 1.0.0 Compile error on fedora 13

-open-vswitch.html http://blog.sflow.com/2010/01/open-vswitch.html Traffic visibility simplifies troubleshooting and capacity planning as well as providing a way to charge for network bandwidth. Peter On May 21, 2010, at 2:24 AM, DarkBls wrote: > I would be glad to. > > Here is want we a

Re: [ovs-discuss] kvm and open vSwitch, basic connectivity not working

On Tue, Feb 9, 2010 at 8:12 AM, Todd Deshane wrote: > > ovs-dpctl dump-flows internalbr (seems to reveal the problem -- > actions drop is specified) > in_port0003:vlan65535 mac52:54:00:12:34:56->52:54:00:12:34:56 type0800 > proto1 ip10.0.0.2->10.0.0.3 port8->0, packets:45, bytes:4410, > used:0.896