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[Bug 1919107] [NEW] [L3][L2 pop] Is it necessary to enforce enabling the option arp_responder and l2_population?

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: LIU Yulong <1919107@xxxxxxxxxxxxxxxxxx>
Date: Mon, 15 Mar 2021 02:55:22 -0000
Reply-to: Bug 1919107 <1919107@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

Recently I played the ovs-agent with bagpipe_bgpvpn. It has some
mechanism which will install the same flows to br-tun by using BGP. But
now arp_responder and l2_population are enforced, after this patch
https://review.opendev.org/c/openstack/neutron/+/669938.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1919107

Title:
  [L3][L2 pop] Is it necessary to enforce enabling the option
  arp_responder and l2_population?

Status in neutron:
  New

Bug description:
  Recently I played the ovs-agent with bagpipe_bgpvpn. It has some
  mechanism which will install the same flows to br-tun by using BGP.
  But now arp_responder and l2_population are enforced, after this patch
  https://review.opendev.org/c/openstack/neutron/+/669938.

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