Use host routes when the switch resides in a network that uses routing protocols other than OSPF.
default host-route {A.B.C.D}
default host-route {A.B.C.D} metric
host-route {A.B.C.D}
host-route {A.B.C.D} metric <0-65535>
no host-route {A.B.C.D}
None
OSPF Router Configuration