+| Send ramp-up traffic
+| | [Documentation]
+| | ... | Start ramp-up traffic at specified rate for defined duration.
+| |
+| | ... | *Arguments:*
+| | ... | - duration - Duration of traffic run [s]. Type: integer
+| | ... | - rate - Rate [pps] for sending packets in case of T-Rex stateless
+| | ... | mode or multiplier of profile CPS in case of T-Rex astf mode.
+| | ... | Type: float
+| | ... | - frame_size - L2 Frame Size [B] or IMIX_v4_1. Type: integer or string
+| | ... | - traffic_profile - Name of module defining traffc for measurements.
+| | ... | Type: string
+| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic.
+| | ... | Type: integer
+| | ... | - tx_port - TX port of TG; default value: 0. Type: integer
+| | ... | - rx_port - RX port of TG, default value: 1. Type: integer
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Send ramp-up traffic \| \${10} \| ${400000.0} \| ${64} \
+| | ... | \| ${2} \| ${0} \| ${1} \|
+| |
+| | [Arguments] | ${duration}=${ramp_up_duration} | ${rate}=${ramp_up_rate}
+| | ... | ${frame_size}=${frame_size} | ${traffic_profile}=${traffic_profile}
+| | ... | ${traffic_directions}=${2} | ${tx_port}=${0} | ${rx_port}=${1}
+| |
+| | Send traffic on tg
+| | ... | ${duration} | ${rate} | ${frame_size} | ${traffic_profile}
+| | ... | warmup_time=${0} | traffic_directions=${traffic_directions}
+| | ... | tx_port=${tx_port} | rx_port=${rx_port} | latency=${False}
+