DFL-800 DMZ setting

Question

System administration

The question is next.
There is a DFL-800 router. From outside, a cord from the provider comes to him. Inside the enterprise, a regular \24 network.
Because Since we are renting not one ip, but a subnet, then as many as 3 external ip addresses are available to us. At the moment, one IP was configured and we performed all the necessary accesses and operations to internal servers from the external network through SAT / NAT.
At the moment it was required to use one more IP address (external). It must be tied to a physical server, which is naturally located behind the router. Opened up a thing called DMZ. But I did not catch the logic of setting and using it. Those. questions are as follows:

1. How to hang up 2 external ip addresses on a physical Ethernet interface.
2. How to completely mirror requests to all ports from an external IP to an internal one.

Answer 1

In the terminology of SOHO routers, the local address of a node in the internal network is indicated in the DMZ,
and the router forwards to it all incoming traffic from the outside that was not processed by other rules
(NAT, access to the router's admin panel, etc.)
. a node in the DMZ will be accessible from the outside on all WAN IPs of the router, without additional IPs.

Answer 2

I solved the problem of additional IP and forwarding of all traffic. Who cares:
www.dlink.ru/ru/faq/85/481.html

Answer 3

put this device in the closet before it's too late! Get yourself a normal human router! This device will be successfully ignored by off-support, and your phantom pains of the problem will be only yours! we know we went...