Juniper Networks® Field Guide and Reference

Configuring RSVP and MPLS

The primary purpose of the JUNOS RSVP software is to support dynamic signaling within LSPs. When you enable both MPLS and RSVP on a router, MPLS becomes a client of RSVP. No additional configuration is required to bind MPLS and RSVP.

You can configure MPLS to set up signaled paths using the label-switched-path statement. Each LSP translates into a request for RSVP to initiate an RSVP session. This request is passed through the internal interface between label switching and RSVP. After examining the request information, checking RSVP states, and checking the local routing tables, RSVP initiates one session for each LSP. The session is sourced from the local router and is destined to the target of the LSP.

When an RSVP ...