* 0.0.0.0/0 - Match any prefix-length pair. * 0.0.0.0/0 le length - Match any IP prefix whose length is less than or equal to length. For example, ip-prefix 0.0.0.0/0 le 16 matches all IP prefixes with lengths from /1 through /16. https://sdwan-docs.cisco.com/Product_Documentation/Software_Features/SD- WAN_Release_16.3/06Policy_Basics/03Localized_Control_Policy/Configuring_Localized_Control _Policy