You are testing the capabilities of MPLS OAM ping.
Which statement is true?
A.
MPLS OAM ping works solely with Cisco MPLS TE
B.
MPLS OAM ping works solely with P2P LSPs
C.
An LSP breakage results in the ingress MPLS router never receiving any reply
D.
An LSP is not required for the reply to reach the ingress MPLS router
The Answer Is:
C
This question includes an explanation.
Explanation:
When there is an LSP breakage during the testing of MPLS OAM ping capabilities, the ingress MPLS router does not receive any reply because MPLS OAM ping is used to verify connectivity over Label Switched Paths (LSPs), and if an LSP is broken, the echo request will not reach the egress router, resulting in no echo reply being sent back.
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