AOpen 4-Port 10/100Mbps Ethernet Broadband Router Manual de usuario descargar pdf (Pagina 40)

EE400-R GigaFast Ethernet.

P 39

In general, the mechanism for multiple DMZ hosts is based on the mapping relation between the WAN IP and

the LAN IP

(

shown below

)

. These DMZ host IPs will skip NAT port translation handlin

ain

WAN IP1

IEE400-RI LAN IP1 (DMZ host1)

WAN IP2

IEE400-RI LAN IP2 (DMZ host2)

WAN IP3

IEE400-RI LAN IP3 (DMZ host3)

WAN IP4

IEE400-RI LAN IP4 (DMZ host4)

unrestricted 2-way communication capability.

Most likely the multiple DMZ hosts are applied in a router-to-router inter-connection SOHO environment

(please refer to Figure 4-2). It is less popular with home users due to the “range of WAN IP address”

because IP addresses are important and expensive resources now.

Some ISPs provide leased line services (DSL is a common one) to subscribers, and can offer a

range of IP addresses for subscription. In this case, there are two types of connection configurations.

One is Brid

mode, the other is Routin

mode.

For example, if the ISP provides IPs 210.65.226.1 through 210.65.226.7 (subnet mask 255.255.255.248),

then the subscriber can have 6 computers at most accessing the Internet simultaneously. With the EE400-R,

additional computers can access the Internet.

(

Please refer to Fi

ure 4-1

)

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AOpen 4-Port 10/100Mbps Ethernet Broadband Router Manual de usuario Pagina 40