Note: Layer 4 is always transparent.

When using Transparency, there are some requirements that must be met:

  • The Real Server needs to have the LoadMaster as the default gateway (shared IP address when High Availability (HA) is used).
  • The clients cannot be on the same subnet as the Real Server.
  • The option Use Address for Server NAT must be enabled in the Virtual Service Standard Options. If Subnet Originating Requests is enabled, the global Enable Server NAT must be enabled (System Configuration > Miscellaneous Options > Network Options).

Transparency cannot be used with non-local Real Servers.

The diagrams and text below explain why these requirements must be met.

For further information on transparency, refer to the Transparency, Feature Description.