Ports of type 'localport' are present on every hypervisor and ovn-controller is sending gARPs for them which makes upstream switches to see its MAC address flapping.
In order to avoid this behavior, the current patch is skipping localports when sending gARP/RARP packets. Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1939470 Signed-off-by: Daniel Alvarez Sanchez <dalva...@redhat.com> --- controller/pinctrl.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/controller/pinctrl.c b/controller/pinctrl.c index b42288ea5..523a45b9a 100644 --- a/controller/pinctrl.c +++ b/controller/pinctrl.c @@ -4240,6 +4240,12 @@ send_garp_rarp_update(struct ovsdb_idl_txn *ovnsb_idl_txn, struct shash *nat_addresses) { volatile struct garp_rarp_data *garp_rarp = NULL; + + /* Skip localports as they don't need to be announced */ + if (!strcmp(binding_rec->type, "localport")) { + return; + } + /* Update GARP for NAT IP if it exists. Consider port bindings with type * "l3gateway" for logical switch ports attached to gateway routers, and * port bindings with type "patch" for logical switch ports attached to -- _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
