Page 31 / 97
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31
D-Link DSL-2740B ADSL2+ Modem with Wireless N 300 Router
Section 6 - Setup
Network Address Translation Settings (MER/DHCP)
Enable NAT:
Enable Fullcone 
NAT:
Enable Firewall:
Enable IGMP 
Multicast:
Enable VLAN
Select if you would like to share your internet 
connection with multiple computers. 
The router 
will share your DSL connection with wired and 
wirelessly connected computers.
Select this option if you would like to utilize a one-
to-one Network Address Translation. 
It will map 
a single internal IP address to a single external IP
address.
Select if you would like to utilize the firewall to 
help protect you from unwanted internet threats. 
Use default setting unless otherwise instructed 
by your ISP.
Use the default setting unless otherwise instructed 
by your ISP.
Click 
Next
.
 
                 
                                
                    
                        Page 32 / 97
                                            
                    
32
D-Link DSL-2740B ADSL2+ Modem with Wireless N 300 Router
Section 6 - Setup
DNS Server Configuration (MER/DHCP)
If Obtain DNS Server address automatically is selected, this router accepts the 
first received DNS assignment from the MER/DHCP enabled PVC during the 
connection establishment.
If Use the following DNS server addresses is selected, enter the primary and 
secondary (optional) DNS server IP addresses.
 
                 
                                
                    
                        Page 33 / 97
                                            
                    
33
D-Link DSL-2740B ADSL2+ Modem with Wireless N 300 Router
Section 6 - Setup
Default Gateway (MER/DHCP)
In this section, you can select a preferred WAN interface as the system default gateway.
 
                 
                                
                    
                        Page 34 / 97
                                            
                    
34
D-Link DSL-2740B ADSL2+ Modem with Wireless N 300 Router
Section 6 - Setup
Setup Summary (MER/DHCP)
Confirm the settings on this page match the settings provided by your ISP. 
To make any changes, click 
Back
.
If your settings are correct, click
Apply.
Note: 
After clicking Apply, you will have to reboot the router in order to activate your connection.
 
                 
                                
                    
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35
D-Link DSL-2740B ADSL2+ Modem with Wireless N 300 Router
Section 6 - Setup
Bridging
This option is Enabled by default. 
Deselecting 
this option will cause your DSL connection 
to be disabled.
Enter any name that will help you identify 
your connection. 
This field will not affect 
your connection.
Click 
Next
.
Enable WAN 
Service: 
Service Name: