Chapter 11 Network Address Translation (NAT)
VMG1312-B Series User’s Guide
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The following t able describes t he fields in t his screen.
11.7.1 Add/Edit Address Mapping Rule
To add or edit an address m apping rule, click Add new rule or t he rule’s edit icon in t he Address
Ma pping screen to display t he screen shown next.
Figure 83 Address Mapping: Add/ Edit
Table 59 Network Sett ing > NAT > Address Mapping
LABEL DESCRIPTION
Add new rule Click t his t o creat e a new rule.
Set This is t he index num ber of t he address m apping set.
Local St art I P This is t he st arting I nside Local I P Address ( I LA) .
Local End I P This is t he ending I nside Local I P Address ( I LA) . I f the rule is for all local I P addresses, then
this field displays 0.0.0.0 as t he Local St art I P address and 255.255.255.255 as t he Local
End I P address. This field is blank for On e - to- One m apping types.
Global St art I P This is the starting Inside Global I P Addr ess (I GA) . Ent er 0.0.0.0 here if you have a dynam ic
I P address from your I SP. You can only do t his for the M a ny- t o- One m apping t ype.
Global End I P This is the ending I nside Global I P Address ( I GA). This field is blank for One- t o- One and
Ma ny- t o- One m apping types.
Type This is the address m apping type.
One- t o- One: This m ode m aps one local I P address t o one global I P address. Not e that port
num bers do not change for the One- t o- one NAT m apping t ype.
Ma ny- t o- One : This m ode m aps m ult iple local I P addresses to one global I P address. This is
equivalent t o SUA ( i.e., PAT, port address t ranslation) , the Device's Single User Account
feature t hat previous routers support ed only.
Ma ny- t o- Many: This m ode m aps m ult iple local I P addresses to shared global I P addresses.
Modify Click t he Edit icon t o go to t he screen where you can edit t he address m apping rule.
Click the Delete icon t o delet e an exist ing address m apping rule. Not e t hat subsequent
address m apping rules m ove up by one w hen you take t his act ion.
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