Riverstone Networks WICT1-12 - Manual (Page 318)

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