X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Fip6_neighbor.c;h=fee4356f5e0164f2344be818ffe263e9c5391a56;hb=fe7d4a2e31529eed5416b38b520fdc84687df03c;hp=a1439faa15491f8d87d3896b3bf1c722b7387e70;hpb=bca9290056b1ee206a05c13bbb46b1b40a8bd804;p=vpp.git

diff --git a/src/vnet/ip/ip6_neighbor.c b/src/vnet/ip/ip6_neighbor.c
index a1439faa154..fee4356f5e0 100644
--- a/src/vnet/ip/ip6_neighbor.c
+++ b/src/vnet/ip/ip6_neighbor.c
@@ -2575,6 +2575,10 @@ ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm,
     {
       if (is_add)
 	{
+	  vnet_hw_interface_t *hw_if0;
+
+	  hw_if0 = vnet_get_sup_hw_interface (vnm, sw_if_index);
+
 	  pool_get (nm->if_radv_pool, a);
 
 	  ri = a - nm->if_radv_pool;
@@ -2608,8 +2612,7 @@ ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm,
 	  a->send_radv = 1;
 
 	  /* fill in radv_info for this interface that will be needed later */
-	  a->adv_link_mtu =
-	    vnet_sw_interface_get_mtu (vnm, sw_if_index, VLIB_TX);
+	  a->adv_link_mtu = hw_if0->max_l3_packet_bytes[VLIB_RX];
 
 	  clib_memcpy (a->link_layer_address, eth_if0->address, 6);