yahoo-eng-team team mailing list archive

[Brian Haley <2081643@xxxxxxxxxxxxxxxxxx>]

I am going to close this as any discussion would first have to happen on
the OVN mailing list. If after that there is any change required in
Neutron you can open an RFE for that.

** Changed in: neutron
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/2081643

Title:
  Neutron OVN support for CARP

Status in neutron:
  Invalid

Bug description:
  Does Neutron ML2/OVN support CARP as a Virtual IP synchronization
  protocol ? (Without disabling Port Security)

  I’ve been trying to make it work but from what I did managed to understand.
  CARP uses a mac address with following format 00-00-5E-00-01-{VRID} 
  It answers the ARP Request for Virtual Addresses with source mac of the Main Interface but as arp.sha it uses the mac address mentioned above and from what I could read on OVN source code it doesn’t seems like OVN matches any arp response with different eth.source and arp.sha fields.

  
  link to OVN code: https://github.com/ovn-org/ovn/blob/16836c3796f7af68437f9f834b40d87c801dc27c/controller/lflow.c#L2707

  https://datatracker.ietf.org/doc/html/rfc5798#section-7.3
  https://datatracker.ietf.org/doc/html/rfc5798#section-8.1.2

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