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NTU-2V, NTU-RG Optical Network Terminals  35 
 
—  D-DNS  provider  –  a  type  of  D-DNS  service  (provider):  DynDNS.org,  TZO.com,  ZoneEdit.com, 
freedns.afraid.org,  easyDNS.com,  3322.org,  DynSIP.org,  No-IP.com,  dnsomatic.com,  and 
sitelutions.com; 
—  Custom – another provider chosen by user. In this case user will need to specify the provider's name and 
address: 
 
 
—  Username – user name for the DDNS account; 
—  Password – password for the DDNS account; 
—  DDNS Provider Server Name – name of the DDNS provider; 
—  DDNS Provider URL – URL of the DDNS provider; 
 
—  Hostname – host name registered at the DDNS provider; 
—  Interface – access interface.