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300-410 · Question #8
Refer to the following output: Router# show tag-switching tdp bindings (...) tib entry: 10.10.10.1/32, rev 31 local binding: tag: 18 remote binding: tsr: 10.10.10.1:0, tag: imp-null remote binding: ts
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Layer 3 Technologies
Question
Refer to the following output: Router# show tag-switching tdp bindings (...) tib entry: 10.10.10.1/32, rev 31 local binding: tag: 18 remote binding: tsr: 10.10.10.1:0, tag: imp-null remote binding: tsr: 10.10.10.2:0, tag: 18 remote binding: tsr: 10.10.10.6:0, tag: 21 tib entry: 10.10.10.2/32, rev 22 local binding: tag: 17 remote binding: tsr: 10.10.10.2:0, tag: imp-null remote binding: tsr: 10.10.10.1:0, tag: 19 remote binding: tsr: 10.10.10.6:0, tag: 22 What does 'imp-null' imply in this context?
Exhibit
Options
- AInclude the EXP bit
- BExclude the EXP bit
- CImpove the label
- DPop the label
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Topics
#MPLS#Label Switching#Implicit Null Label#Penultimate Hop Popping