Configuring Basic Source Static NAT

Navigate to the Nat level in the configuration hierarchy.

1. In the J-Web interface, select Configuration>View and Edit>Edit Configuration.
2. Next to Services, click Configure or Edit.
3. Next to Nat, click Configure or Edit.

From the [edit] hierarchy level, enter

edit services nat

Define nat-pool and assign it an address to be used for network address translation.

1. Next to Pool, click Add new entry.
2. In the Pool Name box, type nat-pool.
3. Next to Address, click Add new entry.
4. In the Prefix box, type 121.0.1.0/24.
5. Click OK twice.

Set the NAT pool name and the address:

set pool nat-pool address 121.0.1.0/24

Define nat-rule and set its match direction.

1. On the Nat page, next to Rule, click Add new entry.
2. In the Rule name box, type nat-rule.
3. From the Match direction list, select output.

Set the rule name and its match direction:

set rule nat-rule match-direction output

Define nat-term for nat-rule and specify its match condition—source address 10.0.1.0/24.

1. On the Rule page, next to Term, select Add new entry.
2. In the Term name box, type nat-term.
3. Next to From, click Configure.
4. Next to Source Address, click Add new entry.
5. From the Address list, select Enter Specific Value.
6. In the Prefix box, type 10.0.1.0/24.
7. Click OK twice.

Set the term name and its match condition:

set rule nat-rule term nat-term from source-address 10.0.1.0/24

Specify the referenced pool for nat-term and set its action—to translate the source addresses to addresses from the referenced pool on a one-to-one basis.

1. Next to Then, select Configure.
2. From the Designation list, select Translated.
3. Next to Translated, click Configure.
4. From the Source pool choice list, select Source pool.
5. In the Source pool box, type nat-pool.
6. Click OK.

Set the pool and action for the term:

set rule nat-rule term nat-term then translated source-pool nat-pool translation-type source static