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Diffstat (limited to 'src/vnet/ip/ip4_forward.c')
-rwxr-xr-xsrc/vnet/ip/ip4_forward.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c
index 4b05bf10c75..ee17ea8804e 100755
--- a/src/vnet/ip/ip4_forward.c
+++ b/src/vnet/ip/ip4_forward.c
@@ -898,6 +898,13 @@ ip4_add_del_interface_address_internal (vlib_main_t * vm,
u32 if_address_index, elts_before;
ip4_address_fib_t ip4_af, *addr_fib = 0;
+ /* local0 interface doesn't support IP addressing */
+ if (sw_if_index == 0)
+ {
+ return
+ clib_error_create ("local0 interface doesn't support IP addressing");
+ }
+
vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
ip4_addr_fib_init (&ip4_af, address,
vec_elt (im->fib_index_by_sw_if_index, sw_if_index));
@@ -2319,6 +2326,13 @@ ip4_probe_neighbor (vlib_main_t * vm, ip4_address_t * dst, u32 sw_if_index)
&bi);
hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
+ if (PREDICT_FALSE (!hi->hw_address))
+ {
+ return clib_error_return (0, "%U: interface %U do not support ip probe",
+ format_ip4_address, dst,
+ format_vnet_sw_if_index_name, vnm,
+ sw_if_index);
+ }
clib_memcpy (h->ip4_over_ethernet[0].ethernet, hi->hw_address,
sizeof (h->ip4_over_ethernet[0].ethernet));