D-Link DFL-1500 [73/271] Dfl 900 1500 user manual chapter 7 nat
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D-Link DFL-1500 [73/271] Dfl 900 1500 user manual chapter 7 nat

D-Link DFL-1500 [73/271] Dfl 900 1500 user manual chapter 7 nat
DFL-900/1500 User Manual Chapter 7
NAT
65
Step 4. Customize NAT Rules
In the full-feature mode, the rules can be further
customized. Incoming packets from LAN/DMZ
zones are top-down matched by the NAT rules.
Namely, NAT implements first match. Select the
rule item that you want to do with: insert a new
rule before it; delete it; move it before the
list-box chosen item.
ADVANCED SETTINGS > NAT > NAT Rules
Step 5. Insert NAT Rule
Step 5.a — Insert an Many-to-One
Rule
As described in the above, Many-to-One NAT is
the default NAT rule type in the Basic mode. If
you have other alias LAN/DMZ subnets, you can
manually add a Many-to-One NAT rule for them.
First select the Type as Many-to-One, check the
Activate this rule, enter a Rule name for
this rule, enter the private-IP subnet (an IP
address with a netmask) to be translated, and
enter the public IP address for being translated
into. You can check the Auto choose IP from
WAN ports. The DFL-1500 will automatically
determine which WAN IP is to be translated into.
ADVANCED SETTINGS > NAT > NAT Rules > Insert
FIELD DESCRIPTION Range / Format EXAMPLE
Activate this rule Activate the NAT rule. Enabled / Disabled Enabled
Status
Rule name The NAT rule name. text string Rule
Condition
Source IP /
Netmask
Compared with the incoming packets, whether
Source IP/Netmask is matched or not.
IPv4 format
192.168.40.0 /
255.255.255.0
Type
Determine what NAT method you are using in
the specified NAT rule.
Many-to-One /
Many-to-Many /
One-to-One /
One-to-One
(bidirectional)
Many-to-One
Translated Src IP
(Auto choose IP
from WAN ports)
Only work in Many-to-One type, the public IP
address will be assigned by the default wan link.
Enabled / Disabled Enabled
Action
Space / Netmask
We must specify IP address / Netmask to all
NAT type except Many-to-One type.
IPv4 format N/A
Table 7-2 Add a NAT rule

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