The 7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C support IGP-LDP synchronization on IS-IS routes. For information, see ‟IGP-LDP and Static Route-LDP Synchronization on the 7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C” in the 7210 SAS-D, Dxp, K 2F1C2T, K 2F6C4T, K 3SFP+ 8C Router Configuration Guide.