ZyXEL Communications VMG1312-B Series, User Manual

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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 n e w r u le or t he rule’s edit icon in t he Addr e ss
M a pping screen t o display t he screen shown next .
Figure 83 Address Mapping: Add/ Edit
Table 59 Net work Set t 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 ar t ing 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 t he rule is for all local I P addresses, t hen
t his field displays 0.0.0.0 as t he Local St ar t I P addr ess and 255.255.255.255 as t he Local
End I P address. This field is blank for
On e - t o- On e m apping t ypes.
Global St art I P This is t he st ar t ing I nside Global I P Addr ess ( I GA) . Ent er 0.0.0.0 her e if you have a dynam ic
I P address from your I SP. You can only do t his for t he
M a n y- t o- On e m apping t ype.
Global End I P This is t he ending I nside Global I P Address ( I GA) . This field is blank for On e - t o- On e and
M a n y- t o- On e m apping t ypes.
Type This is t he address m apping t ype.
On e - t o- On e : This m ode m aps one local I P address t o one global I P address. Not e t hat port
num bers do not change for t he One- t o- one NAT m apping t ype.
M a n y- t o- On e : This m ode m aps m ult iple local I P addr esses t o one global I P address. This is
equivalent t o SUA ( i.e., PAT, port address t ranslat ion) , t he Device's Single User Account
feat ure t hat previous rout ers support ed only.
M a n y- t o- M a n y : This m ode m aps m ult iple local I P addresses t o shared global I P addresses.
Modify Click t he Edit icon t o go t o t he screen w here you can edit t he address m apping rule.
Click t he D e le t e 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 when you t ake t his act ion.