Policy elements must be entered in the correct order to resolve references. For example, if a prefix-list is referenced in a policy statement, the prefix-list must be entered first. This feature does not order policy statements so that references to policy elements exist.
Variable expansion is not supported with the policy reference checks feature. Variables that reference policy elements that do not exist are not checked and are permitted.
This feature is available only for configuring policies. If a policy is deleted, the command succeeds with no info or warning messages displayed. Information from the show router policy-edits command can be used to see warnings about which elements do not exist.
The policy reference checks functionality is not supported with policy expressions.