Configure the Path Bandwidth

Each LSP has a bandwidth value. This value is included in the sender's Tspec field in RSVP path setup messages. To specify a bandwidth value, include the bandwidth statement at the [edit protocols mpls], [edit protocols mpls label-switched-path lsp-path-name ], or [edit protocols mpls label-switched-path lsp-path-name (primary | secondary)] hierarchy level:

bandwidth bps ; 

You specify the bandwidth value in bits per second, with a higher value implying a greater user traffic volume. The default bandwidth is 0 bits per second.

A nonzero bandwidth requires transit routers to reserve capacity along the outbound links for the path. This is done using RSVP's reservation scheme. Any failure in bandwidth reservation (such as failures at RSVP policy control or admission control) might cause the LSP setup
to fail.