The value of the object tIPFilterParamsExtMxPktLenVal1 specifies the value1 to be compared to the value of 'Total Length' field of IPv4 header of the packet that has hit this filter's entry. The way how the value of this object is used depends on the value of the object tIPFilterParamsExtMxPktLenOper. The value of this object can be set to a non-default value only if the value of the object tIPFilterParamsExtMxPktLenOper is other than 'none (0)'. If the value of tIPFilterParamsExtMxPktLenOper is 'range (2)' then the value of this object must be less than the value of tIPFilterParamsExtMxPktLenVal2. If the value of tIPFilterParamsExtMxPktLenOper is 'lt (3)' then the value of this object can be set in range 1..65535. If the value of tIPFilterParamsExtMxPktLenOper is 'gt (4)' then the value of this object can be set in range 0..65534. If both the values of the objects tIPFilterParamsExtMxPktLenOper and tIPFilterParamsExtMxPktLenVal1 need to be changed then it must be done in the same SET SNMP request.