commit 70083ee74c3141bbefb185525315f1b34497dcaa
author Ole Troan <ot@cisco.com> Tue Mar 27 14:48:39 2018 +0200
committer Neale Ranns <nranns@cisco.com> Fri Apr 13 13:27:44 2018 +0000
tree 2b93f23b853239152864ad5ee0db073d37c341ea
parent 25b049484fcf9161edb2c19250066b893c38c264

MTU: Setting of MTU on software interface (instead of hardware interface)

Change-Id: I98bd454a761a1032738a21edeb0fe847e801f901
Signed-off-by: Ole Troan <ot@cisco.com>

src/vnet/ipip/sixrd.c

diff --git a/src/vnet/ipip/sixrd.c b/src/vnet/ipip/sixrd.c
index cfdd0f8..9980257 100644
--- a/src/vnet/ipip/sixrd.c
+++ b/src/vnet/ipip/sixrd.c
@@ -337,7 +337,8 @@
   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);