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-rw-r--r--src/vnet/ipsec-gre/interface.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/vnet/ipsec-gre/interface.c b/src/vnet/ipsec-gre/interface.c
index fa33684c50d..0772ce73df2 100644
--- a/src/vnet/ipsec-gre/interface.c
+++ b/src/vnet/ipsec-gre/interface.c
@@ -174,9 +174,12 @@ vnet_ipsec_gre_add_del_tunnel (vnet_ipsec_gre_add_del_tunnel_args_t * a,
hi->min_packet_bytes = 64 + sizeof (gre_header_t) +
sizeof (ip4_header_t) + sizeof (esp_header_t) + sizeof (esp_footer_t);
+ hi->per_packet_overhead_bytes =
+ /* preamble */ 8 + /* inter frame gap */ 12;
/* Standard default gre MTU. */
- vnet_sw_interface_set_mtu (vnm, hi->sw_if_index, 9000);
+ hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
+ 9000;
clib_memcpy (&t->tunnel_src, &a->src, sizeof (t->tunnel_src));
clib_memcpy (&t->tunnel_dst, &a->dst, sizeof (t->tunnel_dst));