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-rw-r--r--src/vnet/ipip/ipip.c7
-rw-r--r--src/vnet/ipip/sixrd.c3
2 files changed, 5 insertions, 5 deletions
diff --git a/src/vnet/ipip/ipip.c b/src/vnet/ipip/ipip.c
index 82c961cdddd..9b808d4ac0f 100644
--- a/src/vnet/ipip/ipip.c
+++ b/src/vnet/ipip/ipip.c
@@ -476,17 +476,16 @@ ipip_add_tunnel (ipip_transport_t transport,
{
vec_validate (im4->fib_index_by_sw_if_index, sw_if_index);
hi->min_packet_bytes = 64 + sizeof (ip4_header_t);
+ hi->max_packet_bytes = 65536 - sizeof (ip4_header_t);
}
else
{
vec_validate (im6->fib_index_by_sw_if_index, sw_if_index);
hi->min_packet_bytes = 64 + sizeof (ip6_header_t);
+ hi->max_packet_bytes = 65536 - sizeof (ip6_header_t);
}
- hi->per_packet_overhead_bytes = /* preamble */ 8 + /* inter frame gap */ 12;
-
- /* Standard default ipip MTU. */
- hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 9000;
+ vnet_sw_interface_set_mtu (vnm, sw_if_index, hi->max_packet_bytes);
t->tunnel_src = *src;
t->tunnel_dst = *dst;
diff --git a/src/vnet/ipip/sixrd.c b/src/vnet/ipip/sixrd.c
index cfdd0f87e3a..998025782fb 100644
--- a/src/vnet/ipip/sixrd.c
+++ b/src/vnet/ipip/sixrd.c
@@ -337,7 +337,8 @@ sixrd_add_tunnel (ip6_address_t * ip6_prefix, u8 ip6_prefix_len,
t->dev_instance = t_idx;
t->user_instance = t_idx;
- hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 1480;
+ /* Set default MTU to 1480 */
+ vnet_sw_interface_set_mtu (vnet_get_main (), t->sw_if_index, 1480);
ipip_tunnel_db_add (t, &key);