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-rw-r--r--src/vnet/ethernet/arp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/ethernet/arp.c b/src/vnet/ethernet/arp.c
index 8898d33b3cf..222415b0aa3 100644
--- a/src/vnet/ethernet/arp.c
+++ b/src/vnet/ethernet/arp.c
@@ -792,6 +792,7 @@ typedef enum
_ (missing_interface_address, "ARP missing interface address") \
_ (gratuitous_arp, "ARP probe or announcement dropped") \
_ (interface_no_table, "Interface is not mapped to an IP table") \
+ _ (interface_not_ip_enabled, "Interface is not IP enabled") \
typedef enum
{
@@ -1048,6 +1049,11 @@ arp_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
sw_if_index0 = vnet_buffer (p0)->sw_if_index[VLIB_RX];
+ /* not playing the ARP game if the interface is not IPv4 enabled */
+ error0 =
+ (im4->ip_enabled_by_sw_if_index[sw_if_index0] == 0 ?
+ ETHERNET_ARP_ERROR_interface_not_ip_enabled : error0);
+
if (error0)
goto drop2;