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Configuring Twice Static NAT44 for Next Gen Services

 

Configuring the Source and Destination Pools for Twice Static NAT44

To configure the source and destination pools for twice static NAT44:

  1. Create a source pool.
  2. Define the addresses or subnets to which source addresses are translated.

    or

  3. Configure a one-to-one static shifting of a range of original source addresses to the range of addresses in the source pool by specifying the base address of the original source address range.

    For example, if the host address base is 198.51.100.30 and the NAT pool uses the range 203.0.113.10 to 203.0.113.20, then 198.51.100.30 translates to 203.0.113.10, 198.51.100.31 translates to 203.0.113.11, and so on.

  4. Create a destination pool. Do not use the same name that you used for the source pool.
  5. Define the addresses or subnets to which destination addresses are translated.
  6. To allow the IP addresses of a NAT pool to overlap with IP addresses in pools used in other service sets, configure allow-overlapping-pools.

Configuring the NAT Rules for Twice Static NAT44

To configure the source and destination NAT rules for twice static NAT44:

  1. Configure the source NAT rule name.
  2. Specify the traffic direction to which the NAT rule set applies.
  3. Specify the addresses that are translated by the source NAT rule.

    To specify one address or prefix value:

    To specify a range of addresses, configure an address book global address with the desired address range, and assign the global address to the NAT rule:

    To specify any unicast address:

  4. Specify one or more application protocols to which the source NAT rule applies. The number of applications listed in the rule must not exceed 3072.
  5. Specify the source NAT pool that contains the addresses for translated traffic.
  6. Configure the generation of a syslog when traffic matches the NAT rule conditions.
  7. Configure the destination NAT rule name.
  8. Specify the traffic direction to which the destination NAT rule set applies.
  9. Specify the destination addresses of traffic that the destination NAT rule applies to.

    To specify a range of addresses, configure an address book global address with the desired address range, and assign the global address to the NAT rule:

    To specify any unicast address:

  10. Specify one or more application protocols to which the destination NAT rule applies. The number of applications listed in the rule must not exceed 3072.
  11. Specify the destination NAT pool that contains the destination addresses for translated traffic.
  12. Configure the generation of a syslog when traffic matches the destination NAT rule match conditions.

Configuring the Service Set for Twice Static NAT44

To configure the service set for twice static NAT44:

  1. Define the service set.
  2. Configure either an interface service, which requires a single service interface, or a next-hop service, which requires an inside and outside service interface.

    or

  3. Specify the NAT rule sets to be used with the service set. Include the source NAT rule set and the destination NAT rule set.