Riverstone Networks WICT1-12 User Manual
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17-10 Riverstone Networks RS Switch Router User Guide Release 8.0
MPLS Architecture Overview
MPLS Configuration
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the END_OF_TUNNEL label is the only label on the label stack
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the ILM entry indicates that this node is at the end of the outermost MPLS domain
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the explicit null label (label value 0) is the only label on the stack