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-1085 OpenFlowPlugin <p>switch-idle-timeout used to work to detect when switch enters in idle state, for example when OF channel communication gets blocked by a firewall.</p> <p>When blocking communication from switch to controller:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> sudo iptables -A OUTPUT -p tcp -d {controllerIP} --dport 6633 -j DROP </pre> </div></div> <p>The controller should set the OF connection to idle after default switch-idle-timeout=15 sec:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> 2020-02-25T02:52:58,126 | INFO | ofppool-0 | SystemNotificationsListenerImpl | 397 - org.opendaylight.openflowplugin.impl - 0.6.3 | Switch Idle state occurred, node=/10.1.64.222:47564|auxId=0 </pre> </div></div> <p>And after that the OF connection goes down (see here oxygen karaf.log):</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> 2020-02-25T02:53:00,126 | WARN | ofppool-0 | SystemNotificationsListenerImpl | 397 - org.opendaylight.openflowplugin.impl - 0.6.3 | Exception <span class="code-keyword">while</span> waiting <span class="code-keyword">for</span> echoReply from [/10.1.64.222:47564] in TIMEOUTING state: Waited 2000 milliseconds <span class="code-keyword">for</span> com.google.common.util.concurrent.SettableFuture@33929ad[status=PENDING] 2020-02-25T02:53:00,127 | INFO | ofppool-0 | SystemNotificationsListenerImpl | 397 - org.opendaylight.openflowplugin.impl - 0.6.3 | ConnectionEvent:Closing connection as device is idle. Echo sent at Tue Feb 25 02:52:58 UTC 2020. Device:/10.1.64.222:47564, NodeId:openflow:18096668435427573921 </pre> </div></div> <p>The above does not happen in Neon, Sodium or Magnesium.</p> OPNFLWPLUG-1085

switch-idle-timeout does not work

Bug Highest Resolved Done dheenadayalan b Luis Gomez Tue, 25 Feb 2020 03:38:35 +0000 Fri, 6 Nov 2020 03:07:51 +0000 Thu, 5 Mar 2020 08:34:16 +0000 Magnesium 0 5 <p>This maybe related to <a href="https://jira.opendaylight.org/browse/OPNFLWPLUG-1058" class="external-link" rel="nofollow">https://jira.opendaylight.org/browse/OPNFLWPLUG-1058</a> aka <a href="https://git.opendaylight.org/gerrit/gitweb?p=openflowplugin.git;a=commit;h=f985dee509f3a142552076da87dad3f0176d5b20" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/gitweb?p=openflowplugin.git;a=commit;h=f985dee509f3a142552076da87dad3f0176d5b20</a> </p> <p><a href="https://jira.opendaylight.org/secure/ViewProfile.jspa?name=Shweta_Chaturvedi" class="user-hover" rel="Shweta_Chaturvedi">Shweta_Chaturvedi</a> could you please comment?</p> <p>This would explain the lack of log, but still I do not see the switch connection going down.</p> <p>Dheena has figured it out that the below review seems to causing this issue.</p> <p><a href="https://git.opendaylight.org/gerrit/c/openflowplugin/+/78199" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/c/openflowplugin/+/78199</a></p> <p> </p> <p>Switch idle state getting triggered if we revert the above review. He is working on a common fix and will update here based on the findings.</p> <p><a href="https://jira.opendaylight.org/secure/ViewProfile.jspa?name=ecelgp" class="user-hover" rel="ecelgp">ecelgp</a> Fix has been provided in the below change review</p> <p><a href="https://git.opendaylight.org/gerrit/c/openflowplugin/+/88090" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/c/openflowplugin/+/88090</a></p> <p>Moved Idle handler just above the  Delegating inbound within  channel pipe-line.</p> <p>The reason is that Switch-idle event message fired by Idle handler were never consumed by delegating inbound , when it was added at the end of pipeline, by then delegating  inbound would have already consumed channel in-active message.</p> <p>We were unable to replicate this issue <a href="https://jira.opendaylight.org/browse/OPNFLWPLUG-1039" title="Not able to set SLAVE role on device openflow:97702827111235, reason: Was not able to propagate SLAVE role on device. Error: org.opendaylight.openflowplugin.impl.role.RoleChangeException: Can&#39;t commit a completed message." class="issue-link" data-issue-key="OPNFLWPLUG-1039"><del>OPNFLWPLUG-1039</del></a> mentioned during cluster setup -  after the above fix, and ensured  cs-it test (test-openflowplugin-core) successful.</p> <p>Thanks,</p> <p>Dheena</p> <p>Thanks <a href="https://jira.opendaylight.org/secure/ViewProfile.jspa?name=dheenab" class="user-hover" rel="dheenab">dheenab</a>. <a href="https://jira.opendaylight.org/secure/ViewProfile.jspa?name=Arunprakash" class="user-hover" rel="Arunprakash">Arunprakash</a> since the fix was added so quickly and it is a regression, I think we should include it in Magnesium. Please cherry-pick.</p> <p><a href="https://jira.opendaylight.org/secure/ViewProfile.jspa?name=ecelgp" class="user-hover" rel="ecelgp">ecelgp</a> stable/magnesium cherry pick is merged. can we close this blocker bug?</p> Development Rank 0|i03r6v: