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-rw-r--r--src/vnet/ip/ip6.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/ip/ip6.h b/src/vnet/ip/ip6.h
index 810fd70ff0c..94c5080a0aa 100644
--- a/src/vnet/ip/ip6.h
+++ b/src/vnet/ip/ip6.h
@@ -683,7 +683,8 @@ vlib_buffer_push_ip6 (vlib_main_t * vm, vlib_buffer_t * b,
sizeof (ip6h->src_address));
clib_memcpy_fast (ip6h->dst_address.as_u8, dst->as_u8,
sizeof (ip6h->src_address));
- b->flags |= VNET_BUFFER_F_IS_IP6;
+ vnet_buffer (b)->l3_hdr_offset = (u8 *) ip6h - b->data;
+ b->flags |= VNET_BUFFER_F_IS_IP6 | VNET_BUFFER_F_L3_HDR_OFFSET_VALID;
return ip6h;
}