Question:
Refer to the topology below and answer the following question. Why did Branch1 router lose WAN connectivity with R1 router?
- A. The IP address is misconfigured on PPP multilink interface on the Branch1 router
- B. The PPP multilink group is misconfigured on the Branch1 serial interfaces
- C. The PPP multilink group is misconfigured on the R1 serial interfaces
- D. The Branch1 serial interfaces are placed in a shutdown condition
Explanation: This question clearly stated there is a WAN connectivity issue between R1 and Branch1 so we should check both of them with the “show ip interface brief” command. On R1:
On Branch1:
We can see that although the Multilink1 interfaces are in “up/up” state but they are not in the same subnet. According to the IP address scheme shown on the topology we can deduce the Multilink interface on Branch1 has been misconfigured, it should be 192.168.14.2 instead.
Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps
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