Static LSPs — A static LSP specifies a static path. All routers that the LSP traverses must
be configured manually with labels. No signaling such as RSVP or LDP is required.
• Signaled LSP — LSPs are set up using a signaling protocol such as RSVP-TE or LDP.
The signaling protocol allows labels to be assigned from an ingress router to the egress
router. Signaling is triggered by the ingress routers. Configuration is required only on the
ingress router and is not required on intermediate routers. Signaling also facilitates path
selection