User Name: DDNS server username
Password: DDNS server password
Host Name: FQDN of the modem (modem name, eg modem.dyndns.org)
Type: Select the appropriate value (list varies depending on the setting of “DDNS
Service”)
Wildcard: Support wildcard or not, the default is OFF. ON means *.host.3322.org
is equal to host.3322.org
Do not use external ip check: Enable or disable the function of 'do not use
external ip check'
Force Update Interval: How often (in days) to force a DDNS update, even if the
IP address hasn’t changed.