The value of vRtrMplsLspIgpShortcutLfaType specifies whether to
exclude or include a RSVP LSP from being used as a shortcut while
resolving IGP routes in LFA SPF or whether to exclude or include a
RSVP LSP from being used as a LFA SPF.
When the value of vRtrMplsLspIgpShortcutLfaType is set to 'lfaProtect'
the RSVP LSP is used as a shortcut while resolving IGP routes in LFA
SPF as well.
When the value of vRtrMplsLspIgpShortcutLfaType is set to 'lfaOnly'
the RSVP LSP is used as a LFA SPF and not used as igp-shortcut in
regular SPF.
An 'inconsistentValue' error is returned if an attempt is made to
set this object to a non-default value when the value of the object
vRtrMplsLspIgpShortcut is not set to 'true'.