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[neutron] Floating ips instances not appear in tcpdump

Which official guides did you use to deploy?


From: Cristina Mayo <admin at>
Sent: Thursday, November 19, 2020 6:01 AM
To: openstack-discuss at <openstack-discuss at>
Subject: [neutron] Floating ips instances not appear in tcpdump


I have a multinode Openstack cloud installed on Ubuntu machines following the official guides, without extra settings. I have realised that all the income traffic on my instances with floating ips have the same source ip (controller's node ip address). Could anyone help to understand this behaviour? I would like source ip address remains because I am interested in filter traffic, and it's currently impossible. It seems that my controller node is changing the original ip to the packets.

Thanks in advance,

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