Câu 17: 4A0-103: Alcatel-Lucent Multiprotocol Label Switching

Click on the exhibit. An LSP path is established on router R1 toward router R6. After router R4 detects that the link between routers R4 and R6 goes down, which of the following will affect the failure propagation time?

1. A. The time router R4 takes to send a PATH Error message toward the head-end router. — đáp án hiện tại
2. B. The time router R4 takes to detect RSVP Hello message timeout from router R6.
3. C. The time router R4 takes to send a RESV Error message to the head-end router.
4. D. The time router R1 takes to signal an alternate path through router R3.