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-rw-r--r--src/vnet/ipip/sixrd.c3
1 files changed, 2 insertions, 1 deletions
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);