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-rw-r--r--src/vnet/l2/l2_input.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vnet/l2/l2_input.c b/src/vnet/l2/l2_input.c
index f60dd189e0a..041684fb410 100644
--- a/src/vnet/l2/l2_input.c
+++ b/src/vnet/l2/l2_input.c
@@ -193,6 +193,14 @@ classify_and_dispatch (l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0)
if (ethertype != ETHERNET_TYPE_ARP &&
(ethertype != ETHERNET_TYPE_IP6 || protocol != IP_PROTOCOL_ICMP6))
feat_mask &= ~(L2INPUT_FEAT_ARP_TERM);
+ /*
+ * Check for from-BVI processing - set SHG of ARP/ICMP6 packets from BVI
+ * to 0 so it can also flood to VXLAN tunnels or other ports with the
+ * same SHG as that of the BVI.
+ */
+ else if (PREDICT_FALSE (vnet_buffer (b0)->sw_if_index[VLIB_TX] ==
+ L2INPUT_BVI))
+ vnet_buffer (b0)->l2.shg = 0;
}
else
{