Two routers, R1 and R2, have established an EIGRP neighbor relationship, but there is still a connectivity problem. Which issue could be causing this problem?
- an authentication mismatch
- an access list that is blocking advertisements from other networks
- automatic summarization that is disabled on both routers
- a process ID mismatch
Exam with this question: CCNA 3 (v5.0.3 + v6.0) Chapter 8 Exam Answers