Diagram
A decision tree showing how Azure selects routes by first evaluating Longest Prefix Match, then falling back to a strict priority order of User-Defined Routes, BGP routes, and System routes when prefixes are identical.
Route Selection and Precedence
When multiple routes exist for the same destination, Azure uses the Longest Prefix Match (LPM) algorithm to select the most specific path. If two routes have identical prefixes, Azure follows a strict priority order to determine the effective path. Custom configurations always take precedence over default Azure behaviors, resolving conflicts in complex network designs. The priority order is:
Domain 4 of 5
33 practice questions
Practice this DomainLast updated