Which are valid formats for a route distinguisher? seenagape 10 years ago Which are valid formats for a route distinguisher? A. 10.34.231.4:21 B. 10:34:231:4.21 C. 14567.32 D. 121.32 Explanation: Not D: option D should not be correct as it is a dot between 121 and 32 not a colon. ← Previous question Next question →