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-rw-r--r--src/vnet/ipip/node.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vnet/ipip/node.c b/src/vnet/ipip/node.c
index 60d6223d5f3..6171d3e5d71 100644
--- a/src/vnet/ipip/node.c
+++ b/src/vnet/ipip/node.c
@@ -99,6 +99,14 @@ ipip_input (vlib_main_t * vm, vlib_node_runtime_t * node,
if (is_ipv6)
{
ip60 = vlib_buffer_get_current (b0);
+ /* Check for outer fragmentation */
+ if (ip60->protocol == IP_PROTOCOL_IPV6_FRAGMENTATION)
+ {
+ next0 = IPIP_INPUT_NEXT_DROP;
+ b0->error = node->errors[IPIP_ERROR_FRAGMENTED_PACKET];
+ goto drop;
+ }
+
vlib_buffer_advance (b0, sizeof (*ip60));
ip_set (&src0, &ip60->src_address, false);
ip_set (&dst0, &ip60->dst_address, false);