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Validating Substitutions

You can validate substitutions with Policy Editor, SDX Admin, and the Enterprise portal. For example, if you enter a substitution for a value-added service with SDX Admin, you can validate that substitution with SDX Admin.

When validating substitutions, the SRC software:

This feature allows SRC components, such as the policy engine, to interpret the expression 192.0.2.16/28 as an IP address and mask rather than a division operation.

  1. You define in a policy group a local parameter x with the role network and an expression of y (x:network =y).
  2. You define in a service a parameter y with the role rate and a value of 123 (y:rate =123).

The software will substitute the value of 123 for x, even though 123 is a rate and not an address. Eventually, however, the substitution will cause problems, and a component such as the policy engine or the SAE will reject the value.


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