Planet Technology 802.11g Wireless ADSL 2/2+ Router ADW-4401A/Bv2 - Manual (Page 44)

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UPnP (Universal Plug and Play): You can choose “Activated” or “Deactivated”
option from this session.
Auto-Configured (by UPnP Application): UPnP network devices can automatically
configure network addressing, announce their presence in the network to other UPnP
devices and enable exchange of simple product and service descriptions. Choose
“Activated” option to allow UPnP-enabled applications to automatically configure
the ADSL Router so that they can communicate through the ADSL Router, for
example by using NAT traversal, UPnP applications automatically reserve a NAT
forwarding port in order to communicate with another UPnP enabled device; this
eliminates the need to manually configure port forwarding for the UPP enabled
application. If you don’t want to make configuration changes through UPnP, just
choose
“Deactivated”.
SAVE: Click SAVE to save the setting to the ADSL Router.
3.9.5 DDNS
Go to Access Management-> DDNS to set DDNS account.
The Dynamic Domain Name System allows you to update your current dynamic IP
address with one or many dynamic DNS services so that anyone can contact you (in
NetMeeting, CU-SeeMe, etc.). You can also access your FTP server or Web site on
your own computer using a DNS-like address (for instance myhost.dhs.org, where my
host is a name of your choice) that will never change instead of using an IP address that
changes each time you reconnect. Your friends or relatives will always be able to call
you even if they don't know your IP address. First of all, you need to have registered a
dynamic DNS account with www.dyndns.org. This is for people with a dynamic IP
from their ISP or DHCP server that would still like to have a DNS name. The Dynamic
DNS service provider will give you a password or key.