CPC H04L 43/10 (2013.01) [H04L 45/507 (2013.01)] | 11 Claims |
1. A method in a router for Label Switched Path (LSP) traceroute, comprising:
receiving an echo request packet containing a label stack;
determining from the label stack that forwarding to a downstream router is to be based on a binding segment identifier;
identifying a plurality of segments included in a binding segment associated with the binding segment identifier; and
transmitting an echo reply packet to a router originating the echo request packet, the echo reply packet containing information indicating a presence of the binding segment identifier in the label stack and indicating a segment identifier associated with each of the plurality of segments.
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