The value of vRtrMplsLspIgpShortcut specifies whether to exclude or
include a RSVP LSP from being used as a shortcut while resolving IGP
routes.
When the value of vRtrMplsLspIgpShortcut is set to 'true' the RSVP LSP
is used as a shortcut while resolving IGP routes. When the value of
vRtrMplsLspIgpShortcut is set to 'false' the RSVP LSP is not used as a
shortcut while resolving IGP routes.