[neutron] exposing ip address of external Network from within the virtual machine

A Monster amonster369 at gmail.com
Wed Apr 6 12:14:56 UTC 2022

I have two networks, one internal to openstack " internal_network" and an external Network "public" which is connected to an
external network
in order to connect instances to "public" network, I created a router of
which the gateway is public network, and also connected to
internal_network, and used floating ip to access vm instances from the
external network  (public), but the problem I have encountered now is that
I want to expose the and Ip from the external network inside the vm
instance , but when I try to directly attach an interface from the
external network to the instance, I don't get and Ip address inside the
instance, and even if I assign it manually it still doesn't work, I can't
use enable DHCP with public network because it already has its own external
dhcp server.
How can I solve this problem?
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