check if that MAC address exists in the "nics" table in DB - if not - then it's not an ACS VM.
Are you running a Shared network or Isolated/VPC - I don't understand how can custom-built DHCP that exists on a user VM reach out to Andrija On Wed, 31 Jul 2019 at 09:42, Fariborz Navidan <mdvlinqu...@gmail.com> wrote: > Hello, > > As we don't run any other DHCP server in our network, it looks like someone > is running DHCP server on their VM which conflicts with VR's DHCP server. I > ran arping against the conflicting DHCP server's IP address through > cloudbr0 and i get replies from it's MAC address. However I'm not sure if > this is MAC of a VM's interface or they are running a sort of > nestedhypervisor and it belongs to a nested VM. How do I trace and find the > abusive VM to stop the conflict? > > TIA > -- Andrija Panić