Asus WL-700gE - Manual (Page 20)

ASUS Wireless Router 17
14. Return to WL-700gE DDNS configuration page. Enable
DDNS Client, set “Server” to WWW.DYNDNS.ORG and input
your user name, password and host name to the fields. Click
Apply to activate the settings.
15. To test whether DDNS functions or not, ping the domain
name to see whether your host is accessible. Click Start ->
Run... -> type cmd, and enter the command line interface.
16. Type ping account.dyndns.org and press Enter. If you
get reply from a certain IP address, it means your host is
accessible from Internet.