User's Manual
B222s User’s Guide 103
CHAPTER 11
Dynamic DNS
11.1 Overview
This chapt er discusses how to configure your LTE Device t o use Dynam ic DNS.
Dynam ic DNS allows you t o updat e your current dynam ic I P address wit h one or m any dynam ic
DNS services so that anyone can cont act you ( in applications such as NetMeet ing and CU- SeeMe) .
You can also access your FTP server or Web sit e on your own com puter using a dom ain nam e ( for
instance m yhost .dhs.org, where m yhost is a nam e of your choice) t hat will never change instead of
using an I P address t hat changes each t im e you reconnect . Your friends or relatives will always be
able to call you even if t hey don't know your I P address.
First of all, you need t o have regist ered a dynam ic DNS account wit h www.dyndns.org. This is for
people wit h a dynam ic I P from their I SP or DHCP server that would still like to have a dom ain nam e.
The Dynam ic DNS service provider will give you a password or key.
11.1.1 What You Need To Know
DYNDNS Wildcard
Enabling t he wildcard feat ure for your host causes * .yourhost.dyndns.org to be aliased t o t he sam e
I P addr ess as yourhost.dyndns.org. This feat ure is useful if you want t o be able t o use, for exam ple,
www.yourhost.dyndns.org and st ill reach your host nam e.
I f you have a privat e WAN I P address, t hen you cannot use Dynam ic DNS.