The route map name ,A meaningful name for the route map. The redistribute router configuration command uses this name to reference the route map. Multiple route maps might share the same map tag name. When this string be used as an index,Value of a sub-identifier equal ASCII value of corresponding character(first sub-identifier corresponds first character of string). The number of sub-identifiers of this string must be 32,If length of string is less than 32 the sub-identifier(0x0) will be filled in tail.