Among the differences between MPLS-TP OAM and MPLS OAM, the interval for sending OAM packets is not changed by canceling 3.3 ms and 10 ms values (D). This means these intervals remain in place or are not the key differentiators. The other options (A, B, C) correctly describe differences such as packet formats, label alarms (AIS, RD1, UNEXPMEG), and added functions (CC, AIS, LB, LT) unique to MPLS-TP OAM. HCIP-Transmission materials clarify these differences to aid in understanding the enhanced OAM capabilities for transport profile MPLS networks.
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