CCNP Service Provider Practice Questions - Cisco CCNP Service Provider (SPCOR 350-501) Exam

What is the difference between penultimate hop popping (PHP) and ultimate hop popping (UHP) in MPLS?

PHP pops the label at the second-to-last router; UHP pops it at the last router PHP is used only in IPv6 networks UHP is always faster than PHP There is no difference

Correct Answer:

PHP pops the label at the second-to-last router; UHP pops it at the last router

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