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-rw-r--r--src/vnet/ip/ip6_input.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/vnet/ip/ip6_input.c b/src/vnet/ip/ip6_input.c
index 6fab5822da2..943f6597a90 100644
--- a/src/vnet/ip/ip6_input.c
+++ b/src/vnet/ip/ip6_input.c
@@ -287,9 +287,13 @@ ip6_init (vlib_main_t * vm)
uword *u = hash_get (ip_main.protocol_info_by_name, "IPV6_FRAGMENTATION");
- ip_protocol_info_t *info = vec_elt_at_index (ip_main.protocol_infos, *u);
- ASSERT (NULL == info->format_header);
- info->format_header = format_ipv6_fragmentation;
+ if (u)
+ {
+ ip_protocol_info_t *info =
+ vec_elt_at_index (ip_main.protocol_infos, *u);
+ ASSERT (NULL == info->format_header);
+ info->format_header = format_ipv6_fragmentation;
+ }
return /* no error */ 0;
}