proc AddChassis { ixiaChassisIp } {
    set chassisObj [ixNet add [ixNet getRoot]/availableHardware "chassis"]
    ixNet setMultiAttribute $chassisObj \
	-masterChassis {} \
	-chainTopology daisy \
	-sequenceId 1 \
	-cableLength 0 \
	-hostname $ixiaChassisIp
    ixNet commit
    return[lindex [ixNet remapIds $chassisObj] 0]
}