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-rw-r--r--src/vnet/ethernet/arp.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/vnet/ethernet/arp.c b/src/vnet/ethernet/arp.c
index 13b718d4c62..e6e3a515b97 100644
--- a/src/vnet/ethernet/arp.c
+++ b/src/vnet/ethernet/arp.c
@@ -894,6 +894,7 @@ typedef enum
_ (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") \
+ _ (unnumbered_mismatch, "RX interface is unnumbered to different subnet") \
typedef enum
{
@@ -1258,7 +1259,10 @@ arp_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
if (is_unnum0)
{
if (!arp_unnumbered (p0, sw_if_index0, conn_sw_if_index0))
- goto drop2;
+ {
+ error0 = ETHERNET_ARP_ERROR_unnumbered_mismatch;
+ goto drop2;
+ }
}
}