<div dir="ltr"><div class="gmail-gs" style="margin:0px;padding:0px 0px 20px;width:1504px;font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:medium"><div class="gmail-"><div id="gmail-:mf" class="gmail-ii gmail-gt" style="font-size:0.875rem;direction:ltr;margin:8px 0px 0px;padding:0px"><div id="gmail-:1ak" class="gmail-a3s gmail-aiL" style="overflow:hidden;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:small;line-height:1.5;font-family:Arial,Helvetica,sans-serif"><div dir="ltr">Hi,<div><br></div><div>I found  that keepalived VIP switch cause TCP connections  that refuse to die on host where VIP was before  it was switched.</div><div><br></div><div>I filled a bug here -> <a href="https://bugs.launchpad.net/kolla-ansible/+bug/1917068" target="_blank">https://bugs.launchpad.net/kolla-ansible/+bug/1917068</a></div><div>Fixed here -> <a href="https://review.opendev.org/c/openstack/kolla-ansible/+/777772" target="_blank">https://review.opendev.org/c/openstack/kolla-ansible/+/777772</a></div><div>Video presentation of bug here -> <a href="https://download.kevko.ultimum.cloud/video_debug.mp4" target="_blank">https://download.kevko.ultimum.cloud/video_debug.mp4</a></div><div><br></div><div>I was just curious and wanted to ask here in openstack-discuss :</div><div><br></div><div>If someone already seen this issue in past ?</div><div>If yes, do you tweak <span style="color:rgb(29,28,29);font-family:Monaco,Menlo,Consolas,"Courier New",monospace;font-size:12px;font-variant-ligatures:none;white-space:pre-wrap">net.ipv4.tcp_retries2 kernel parameter ? </span></div><div><span style="color:rgb(29,28,29);font-family:Monaco,Menlo,Consolas,"Courier New",monospace;font-size:12px;font-variant-ligatures:none;white-space:pre-wrap">If no, how did you solve this ?</span></div><div><span style="color:rgb(29,28,29);font-family:Monaco,Menlo,Consolas,"Courier New",monospace;font-size:12px;font-variant-ligatures:none;white-space:pre-wrap"><br></span></div><div><span style="color:rgb(29,28,29);font-family:Monaco,Menlo,Consolas,"Courier New",monospace;font-size:12px;font-variant-ligatures:none;white-space:pre-wrap">Thank you,</span></div><div><span style="color:rgb(29,28,29);font-family:Monaco,Menlo,Consolas,"Courier New",monospace;font-size:12px;font-variant-ligatures:none;white-space:pre-wrap">Michal Arbet ( kevko )</span></div></div><div class="gmail-yj6qo"></div><div class="gmail-adL"></div></div></div><div class="gmail-hi" style="border-bottom-left-radius:1px;border-bottom-right-radius:1px;padding:0px;width:auto;background:rgb(242,242,242);margin:0px"></div></div></div><br class="gmail-Apple-interchange-newline"></div>