Checking the MPLS Layer

This chapter describes how to check the Multiprotocol Label Switching (MPLS) layer of the layered MPLS model. (See Table 17.)

Table 17: Checklist for Checking the MPLS Layer

Checking the MPLS Layer Tasks	Command or Action
Checking the MPLS Layer
Verify the LSP	show mpls lsp show mpls lsp extensive show mpls lsp name name show mpls lsp name name extensive
Verify the LSP Route on the Transit Router	show route table mpls.0
Verify the LSP Route on the Ingress Router	show route destination
Verify MPLS Labels with the traceroute Command	traceroute hostname
Verify MPLS Labels with the ping Command	On the egress router: [edit] edit interfaces lo0 unit number [edit interfaces lo0 unit number] set family inet address 127.0.0.1/32 show commit On the ingress router: ping mpls rsvp lsp-name detail
Verify the MPLS Configuration	show configuration protocols mpls show configuration interfaces
Take Appropriate Action	The following sequence of commands addresses the specific problem described in this section: edit edit protocols mpls [edit protocols mpls] show activate interface so-0/0/3.0 show commit
Verify the LSP Again	show mpls lsp extensive