I've written before in Subsystem Configuration Policy Check about incorporating operational data with configurations for performing configuration compliance validation. Another example, with a different twist to it, occurred last week while creating an NTP policy check on a customer's network...

My previous post talked about the basics of verifying a configuration prior to deployment as a way to minimize the number of incorrect configurations that are fielded. The second topic, which is closer to the original NANOG posting comments, is with respect to auditing existing configurations to make...