EnGenius EDS5255, User Manual

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Default DDNS name : Each camera has a unique DDNS name printed on the back of your camera. It is the default DDNS name.
DDNS Alias : You may try to rename it ( alias ) to a name so that you can memorize it better. For instance, you can use your initials with your
birthday as a combination; for example, ab19791220 . Then you need to check whether the name has been taken by someone else by clicking
on Check Availability button. If the alias is not being used by others, then you can access the camera with both your default DDNS and the new
alias DDNS ( ab19791220.engeniusddns.com ).
Refresh Time : options are 3HR, 6HR, 9HR, 12HR and 24HR. DDNS server needs to synchronize with your IP address often so that you can access
your device over the Internet with DDNS name. Depends on your Internet Service provider, your WAN IP address lease time will be different.
You can check with your local Internet Service provider for WAN IP address refresh time. The default setting is 24HR (which means DDNS server
will check the synchronization every 24 hours ). Normally, the default setting 24HR is okay for most cases.