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-rw-r--r--src/vnet/ip/ip6_forward.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c
index 0ad96d0b9e0..25714e48d5a 100644
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -688,6 +688,11 @@ VNET_FEATURE_INIT (ip6_interface_output, static) = {
clib_error_t *
ip6_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
{
+ ip6_main_t *im = &ip6_main;
+
+ vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
+ vec_validate (im->mfib_index_by_sw_if_index, sw_if_index);
+
vnet_feature_enable_disable ("ip6-unicast", "ip6-drop", sw_if_index,
is_add, 0, 0);