Figured it out. Tony > -----Original Message----- > From: Tony Liu <tonyliu0592 at hotmail.com> > Sent: Wednesday, September 23, 2020 12:39 PM > To: openstack-discuss at lists.openstack.org > Subject: [neutron][ovn] N/S traffic that needs SNAT (without floating > IPs) will always pass through the centralized gateway nodes > > Hi, > > I read "N/S traffic that needs SNAT (without floating IPs) will always > pass through the centralized gateway nodes," in [1]. > > Why is that? Is SNAT on each compute node not supported by OVN, or it's > about ML2 driver or provisioning? > > [1] https://docs.openstack.org/networking- > ovn/latest/admin/refarch/refarch.html > > Thanks! > Tony >