This object points to the protection service corresponding to the working service. This object is applicable for 'mplsLSP' and 'mplsPw' service types. When fsElpsPgConfigServiceType is 'mplsLSP' : - This object should be configured with the object identifier of the row in the MPLS tunnel table corresponding to the protection instance of the working LSP (ie. protection LSP). - In case of co-routed MPLS LSP, this object indicates the co-routed (forward and reverse) path of the protection LSP. In case of associated MPLS LSP, this object indicates the forward path of the protection LSP. When fsElpsPgConfigServiceType is 'mplsPw' : - This object should be configured with the object identifier of the row in the MPLS Pseudo wire table corresponding to the protection instance of the working PW (ie. protection PW).