<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Thanks François for your help.I added the following command:<div class="">neighbor 172.16.201.121 transport connection-mode passive</div><div class=""><br class=""></div><div class="">Celan is not working.</div><div class=""><br class=""></div><div class="">On the other hand, between 2 cisco routers, I have no problem. I'm missing something. I continue to search even if the documents I find do not correspond to my situation.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class="">
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<div><br class=""><blockquote type="cite" class=""><div class="">Le 26 oct. 2021 à 22:43, Francois <<a href="mailto:rigault.francois@gmail.com" class="">rigault.francois@gmail.com</a>> a écrit :</div><br class="Apple-interchange-newline"><div class=""><div class="">Hello<br class="">On Tue, 26 Oct 2021 at 21:29, Franck VEDEL<br class=""><<a href="mailto:franck.vedel@univ-grenoble-alpes.fr" class="">franck.vedel@univ-grenoble-alpes.fr</a>> wrote:<br class=""><blockquote type="cite" class=""><br class="">Hello,<br class="">I'm trying to get BGP / BGP speaker / DRAgent to work with Neutron on one side and a Cisco router on the other. I work under Centos / Kolla-ansible / Wallaby.<br class="">I adapt this technical documentation (<a href="https://docs.openstack.org/neutron/latest/admin/config-bgp-dynamic-routing.html" class="">https://docs.openstack.org/neutron/latest/admin/config-bgp-dynamic-routing.html</a>) to my configuration but I am having difficulties (the cisco router sends a TCP SYN frame to the router in Openstack, TCP port 179, but the router sends back an RST. I don't understand why, no security on the router port).<br class=""></blockquote><br class="">My understanding is that the agent will connect to the switch, there<br class="">is no connection initiated from the switch to the agent. There should<br class="">be a "neighbor... passive" option in the BGP configuration on the<br class="">switch that you could set to ensure it's not trying to initiate the<br class="">connection.<br class="">If you follow this doc (and you use ovs as driver, not ovn) you should<br class="">see the dragent connecting to the switch and publishing routes if any.<br class=""><br class="">hope that helps<br class=""><br class=""><br class=""><blockquote type="cite" class="">Do you have any links to help, tutorials, that would be of great help to me. Thanks in advance.<br class=""><br class="">Franck<br class=""><br class=""><br class=""></blockquote>Francois<br class=""></div></div></blockquote></div><br class=""></div></body></html>