This object points to a working service which needs to be protected. This object is applicable for 'mplsLSP' and 'mplsPw' service type. When fsElpsPgConfigServiceType is 'mplsLSP' : - This object should be configured with the object identifier of the row in the MPLS tunnel table corresponding to the LSP being protected (working LSP). - In case of co-routed MPLS LSP, this object indicates the co-routed (forward and reverse) path of the LSP. In case of associated MPLS LSP, this object indicates the forward path of the LSP being protected. 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 PW being protected (working PW).