Edimax Technology AR-7286WnB - Manual (Page 66)

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Field Description
Number of
IPs
This field is to specify how many IPs are provided by your ISP
for the current VC. You can select Single or Multiple. When
you choose Single, you can set DMZ or Virtual Server. When
you choose Multiple, You can set DMZ, Virtual Server or IP
Address Mapping (for Multiple IP Service).
Note:
VCs with a single IP share the same DMZ and Virtual servers. For VCs
with multiple IPs, each VC can set DMZ and Virtual servers. Also, VCs
with multiple IPs can define the Address Mapping rules. VCs with a
single IP do not need to individually define the Address Mapping rule.
Demilitarized Zone (DMZ) is used to provide Internet services without
sacrificing unauthorized access to its local private network. Typically, the
DMZ host contains devices accessible to Internet traffic, such as web (HTTP)
servers, FTP servers, SMTP (e-mail) servers and DNS servers.
In the NAT page, choose DMZ, and the page shown in the following figure
appears.