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2.2 Operation Mode
MH-2001 DMZ port supports three operation modes, Disable, NAT and Transparent. In Disable mode, the
DMZ port is not active. In transparent mode, MH-2001 works as proxy with forward DMZ packet to WAN
and forward WAN packet to DMZ. The DMZ and WAN side IP addresses are in the same subnet. In NAT
mode, DMZ side user will share one public IP address of WAN port to make Internet connection. Please
find the following two pictures for example.
2.2.1 Transparent Mode Connection Example
The WAN1 and DMZ side IP addresses are on the same subnet. This application is suitable if you have a
subnet of IP addresses and you do not want to change any IP configuration on the subnet.
Internet
ISP1
ADSL / Cable
Modem
WAN1
61.11.11.11
LAN
192.168.1.1
255.255.255.0
LAN PC2
LAN PC1
192.168.1.3
192.168.1.2
MH-2001 Multi-Homing Security Gateway User's Manual
ISP2
ADSL / Cable
Modem
WAN2
62.22.22.22
MH-2001
DMZ Transparent
DMZ PC2
DMZ PC1
61.11.11.12
61.11.11.13
- 6 -
To WAN1
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