the following parameters: 
【Connection name】Select "Create WAN Connection". 
【New Connection name】According to own convenience to specify. 
【Enable Vlan】This one can be set according to the network planning situation, if 
the  network  planning  Internet  vlan,  this  one  need  to  check  the 
"Enable vlan"; If the network is not planning Internet vlan, this one 
does not need to check, then ONU is vlan transparent mode. 
【Vlan  ID】The  same  as  "Enable  Vlan",  Setting  depending  on  the  network vlan 
planning. 
【802.1p】Set the priority of vlan, The same as "enable Vlan", depending on the 
network vlan planning to configure. The default priority is 0. 
【Type】Select "Route". 
【Service  List】Select  internet.  route  mode  access  internet  are  generally  select 
internet. 
【MTU】The default is 1492 does not need to modify; if you meet can ping DNS but 
the web browser can not access the site. Modify MTU smaller, such 
as: 1400. 
【Link Type】Select "IP". 
【IP Version】The default is "Ipv4". ONU itself does not support IPV6. 
【IP Type】Select "DHCP". 
【Enable NAT】Check the "Enable NAT" function; NAT function is mainly used for 
internal  network  and  external  network  communication  address 
translation  function,  the  default  is  checked  enabled  state,  if  not 
check the network ONU not get the network. 
Note: ZTE solution ONU series of products is no port binding function, because