https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/OPNFLWPLUG-475 OpenFlowPlugin <p>Hi</p> <p>I tested today with the below mentioned topology, having a broadcast flow whose actions were set to broadcast group ID. When I tried to ping from host h1 to h2, ARP request packet is sent out to only one port and not to all ports. This seems to be a bug and I request your inputs.</p> <p>mininet&gt; net<br/> h1 h1-eth0:s1-eth1 h1-eth1:s1-eth2<br/> h2 h2-eth0:s1-eth3<br/> h3 h3-eth0:s1-eth4<br/> s1 lo: s1-eth1:h1-eth0 s1-eth2:h1-eth1 s1-eth3:h2-eth0 s1-eth4:h3-eth0<br/> c0</p> <p><span class="error">&#91;mininet@opendaylight test&#93;</span>\&gt;sudo ovs-ofctl dump-groups s1 -O OpenFlow13<br/> OFPST_GROUP_DESC reply (OF1.3) (xid=0x2):<br/> group_id=32399,type=all,bucket=weight:0,actions=output:3,output:4<br/> group_id=28326,type=select,bucket=weight:0,actions=output:1,output:2</p> <p>mininet@opendaylight test]\&gt;sudo ovs-ofctl dump-flows s1 -O OpenFlow13<br/> OFPST_FLOW reply (OF1.3) (xid=0x2):<br/> cookie=0x0, duration=4310.355s, table=0, n_packets=2790, n_bytes=117180, dl_dst=ff:ff:ff:ff:ff:ff actions=group:32399<br/> cookie=0x3000000000000008, duration=4496.507s, table=0, n_packets=308, n_bytes=38192, priority=5,dl_dst=01:80:c2:00:00:02,dl_type=0x8809 actions=CONTROLLER:65535</p> <p><span class="error">&#91;mininet@opendaylight test&#93;</span>\&gt;sudo tcpdump -i s1-eth4<br/> tcpdump: WARNING: s1-eth4: no IPv4 address assigned<br/> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode<br/> listening on s1-eth4, link-type EN10MB (Ethernet), capture size 65535 bytes<br/> 01:17:27.237038 ARP, Request who-has 10.1.1.2 tell rtr-pet-01.force10networks.com, length 28<br/> 01:17:28.238832 ARP, Request who-has 10.1.1.2 tell rtr-pet-01.force10networks.com, length 28<br/> 01:17:29.240828 ARP, Request who-has 10.1.1.2 tell rtr-pet-01.force10networks.com, length 28</p> <p><span class="error">&#91;mininet@opendaylight test&#93;</span>\&gt;sudo tcpdump -i s1-eth3<br/> tcpdump: WARNING: s1-eth3: no IPv4 address assigned<br/> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode<br/> listening on s1-eth3, link-type EN10MB (Ethernet), capture size 65535 bytes<br/> 01:17:16.334564 LLDP, length 49: openflow:1<br/> 01:17:21.334410 LLDP, length 49: openflow:1</p> <p>Thanks and Regards<br/> R. Kavitha</p> <p>Operating System: All<br/> Platform: All</p> OPNFLWPLUG-475

Flows created with actions set to "Group-IDs" are not working

Bug Resolved Done Kavitha Ramalingam Kavitha Ramalingam Mon, 1 Jun 2015 12:36:24 +0000 Mon, 27 Sep 2021 09:01:33 +0000 Mon, 22 Aug 2016 08:02:49 +0000 General 0 7 <p>You have:</p> <p>On the flow:<br/> actions=group:32399</p> <p>and on the group:</p> <p>group_id=32399,type=all,bucket=weight:0,actions=output:3,output:4</p> <p>So the controller has programmed the flow with the group - so may be a switch issue or a misconfig?</p> <p>Moving it to normal (pending a reply) - so that it does not show up in queries.</p> <p>Can you provide input files (xml or json) for config switch to obtain output as you specified.</p> <p>With this command:<br/> sudo ovs-ofctl add-group s1 group_id=32399,type=all,bucket=weight:0,output:3,output:4 -O OpenFlow13</p> <p>I wasn't able to add group because of this error:<br/> ovs-ofctl: Only select groups can have bucket weights.</p> <p>How was you able to add group with id 32399 ant type all?</p> <p>Commands to put data on OVS switch to have state as discribed (only group_id=32399 doesn't have type all (as described earlier))</p> <p>add group<br/> ==========<br/> sudo ovs-ofctl add-group s1 group_id=32399,type=select,bucket=weight:0,output:3,output:4 -O OpenFlow13<br/> sudo ovs-ofctl add-group s1 group_id=28326,type=select,bucket=weight:0,output:1,output:2 -O OpenFlow13</p> <p>add flow<br/> =========<br/> sudo ovs-ofctl add-flow s1 table=0,dl_dst=ff:ff:ff:ff:ff:ff,cookie=0x0,action=group:32399 -O OpenFlow13<br/> sudo ovs-ofctl add-flow s1 table=0,dl_dst=01:80:c2:00:00:02,dl_type=0x8809,cookie=0x3000000000000008,priority=5,action=CONTROLLER:65535 -O OpenFlow13</p> <p>list flows<br/> ===========<br/> sudo ovs-ofctl dump-flows s1 -O OpenFlow13</p> <p>list groups<br/> ===========<br/> sudo ovs-ofctl dump-groups s1 -O OpenFlow13</p> <p>(In reply to Abhijit Kumbhare from comment #1)<br/> &gt; You have:<br/> &gt; <br/> &gt; On the flow:<br/> &gt; actions=group:32399<br/> &gt; <br/> &gt; and on the group:<br/> &gt; <br/> &gt; group_id=32399,type=all,bucket=weight:0,actions=output:3,output:4<br/> &gt; <br/> &gt; So the controller has programmed the flow with the group - so may be a<br/> &gt; switch issue or a misconfig?</p> <p>Hi Abhijit,<br/> I'm sorry for the late reply, as i was on sick leave. We have created a group of type "all" with the egress ports set to port3 and port4. The expectation here is that any flow that uses this group has to egress the traffic on both the ports. In my previous update you can see that tcpdump o/p shows that ARP-Request traffic goes out of port4 and not thro' port3. </p> <p>You could also refer to the flow entry which checks if destination MAC is broadcast MAC then it uses this group ID as the action. So, both the flows and group creations look perfect.</p> <p>Thanks and Regards<br/> R. Kavitha</p> <p>(In reply to Jozef Gloncak from comment #4)<br/> &gt; With this command:<br/> &gt; sudo ovs-ofctl add-group s1<br/> &gt; group_id=32399,type=all,bucket=weight:0,output:3,output:4 -O OpenFlow13<br/> &gt; <br/> &gt; I wasn't able to add group because of this error:<br/> &gt; ovs-ofctl: Only select groups can have bucket weights.<br/> &gt; <br/> &gt; How was you able to add group with id 32399 ant type all?</p> <p>Hi<br/> I created this group using group add API, which automatically sets the weight. </p> <p>Thanks and regards<br/> R. Kavitha</p> <p>Hi Kavitha, is the issue still open ?</p> <p>(In reply to Shuva Jyoti Kar from comment #8)<br/> &gt; Hi Kavitha, is the issue still open ?</p> <p>Yes Shuva</p> <p>Hi Kavitha, thanks a lot. A couple of questions: </p> <p>1. Does the behaviour of which port the traffic goes out in case of group-all change with controller/switch reboots or is the behaviour consistent</p> <p>2. Does the behaiour change if we have more number of ports? All i mean is is the behaviour always forwarding traffic to one port only?</p> <p>3. Have you (if at all)had the chance to check the behaviour with other of switches like cpqd?</p> <p>Also Kavitha, could you please share the script to create the topology that you are testing with</p> <p>Attachment l1.py has been added with description: Topology script</p> <p>1. Install "lacp" feature<br/> 2. Start the script "l1.py". This script creates a topology with 1 switch connected to 2 hosts h1 and h2. Host h1 has 2 links connected to switch s1. <br/> 3. In the xterm of h1, Create a file bonding.conf under /etc/modprobe.d/ directory and add the following contents under the bonding.conf file.</p> <p>alias bond0 bonding<br/> options bonding mode=4 </p> <p>After saving the Config, execute the following command on host H1</p> <ol> <li>modprobe bonding</li> </ol> <p>4. Start h1.sh from the host h1 terminal. This takes care of enabling LAG between host h1 and switch s1. I have attached screenshot of the groups that are created on the controller. <br/> 5. Add 2 flows - with 1 flow, setting in_port to one of the LAG port 1 and actions set to 2 groups. Add second flow with the second LAG port 2 and actions set to 2 groups.</p> <p>Attachment h1.sh has been added with description: LAG Script</p> <p>Attachment <a href="https://jira.opendaylight.org/browse/OPNFLWPLUG-475" title="Flows created with actions set to &quot;Group-IDs&quot; are not working" class="issue-link" data-issue-key="OPNFLWPLUG-475"><del>OPNFLWPLUG-475</del></a> LACP.png has been added with description: Screen Shot of Groups.</p> <p>Shuva are you working on this or is Kavitha working on this?</p> <p>No Abhijit, i am not working on this, we did find flows pointing to groups working on cpqd.</p> <p>Hi Shuva,</p> <p>Do you mean that it is working on cpqd and it is not working on ovs?</p> <p>Thanks,<br/> Miro</p> <p>Its working both on cpqd as well as Ovs2.5, so i believe we can close this</p> <p>It should work. Reopen if there are some issues. </p> <p>Thanks,<br/> Miro</p> Development External issue ID 3515 External issue URL Rank 0|i031dr: