The object specifies the operation to act upon the target station requested by the manager. The agent only accepts unicast address from the management station. If non-unicast address is specified, the notSupported(4) value will be written to the tokenRingControlCommandStatus object. Note that the agent does not check the specified address with the host table. In other words, the management station can specify a non-existing MAC address in the command. The removeStation(1) command requests the agent to send the Remove Ring Station MAC frame to the target station that deinserts the target station from the ring. The testStation(2) command requests the agent to send the Transmit Forward MAC frame to the tagart station. The agent then monitors the response frames from the target station. If the expected response frame is not detected, the agent will write the failed(7) value to the tokenRingControlCommandStatus object. Otherwise, the success(2) value will be written to. The requestStationAddress(3) command requests the agent to send the Request Station Address MAC frame to the target station. This command is to update the address assignments of the target station in the host table. The requestStationState(4) command requests the agent to send the Request Station State MAC frame to the target station. This command is to update the state information of the target station in the host table. The requestStationAttachment(5) command requests the agent to send the Request Station Attachment MAC frame to the target station. This command is to update the configuration information about the host attachment unit of the target station in the host table.