Cisco 300-410 Question Answer
Refer to the exhibit.
What does the imp-null tag represent in the MPLS VPN cloud?
Pop the label
Impose the label
Include the EXP bit
Exclude the EXP bit
The ―imp-null‖ (implicit null) tag instructs the upstream router to pop the tag entry off the tag stack before forwarding the packet.
Note: pop means ―remove the top MPLS label‖
TESTED 16 Sep 2025
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