Huawei MT880R, ZTE 831II, Start 2110EHR

It has used three of my cats?
UPNP, port mapping, DMZ how to use?
I have three cats with more than three features, these features also opened up a few.

Never used it three, only the TP-LINK used, UNPN, port mapping is not to worry about you.Open on the line .

DMZ cease-fire zone, the name does not matter.Its function is, you can put a computer's IP settings for the DMZ area, so you have a router's computer security policy is invalid, the function looks No, actually, when you have a computer you want to be at the site above, or FTP server, Email server, used on.Your other computer is still in the firewall protection strategy, only that server Computer open to the Internet, to let others view your Web site, download your raw footage, at the same time you do not have to worry about damage to network with other computers.
The function of the general home users are still useless.

By the way, A little complicated to set an administrator password, the password I use ADSL Terminator Beach swept away a weak password SOHO routing.