Hi It‘s solved. The problem vanished as soon as I deleted one of two subnets configured on the router which is connected to the external network. Thanks for the help ! Best regards Yngvi From: Nasir Mahmood [mailto:nasir.mahmood at gmail.com] Sent: 24. ágúst 2015 12:29 To: Yngvi Páll Þorfinnsson <yngvith at siminn.is> Cc: openstack at lists.openstack.org Subject: Re: [Openstack] debug virtual router traffic read the openstack network troubleshooting guide...its quite detail fully mentioned there how to even trace bridge packets. all step by step Regards, Nasir On Mon, Aug 24, 2015 at 2:53 PM, Yngvi Páll Þorfinnsson <yngvith at siminn.is<mailto:yngvith at siminn.is>> wrote: Hi I need to debug a virtual router traffic. Can you please give me some ideas on this. It‘s because I‘m having problems with ssh to some of the VM‘s. Best regards Yngvi _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack at lists.openstack.org<mailto:openstack at lists.openstack.org> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack -- Nasir Mahmood -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150824/c435f422/attachment.html>