This field indicates how important is it to enforce this rule. The higher the number the more important it is to enforce this rule. The value 9999 has a special meaning of Mandatory which means this rule MUST be enforced. Note: Access control rules are probably Mandatory rule where as QoS rules might be configured by the user as optional rules in some cases. Device may choose to support only a subset of these values. P333R supports two values: 9999 - Mandatory rule 0 - Optional rule.