| ${dest_mask}= | ${8}
# NAT settings
| ${nat_mode}= | endpoint-dependent
-| ${max_translations_per_thread}= | 64512
| ${in_net}= | 192.168.0.0
| ${in_mask}= | ${8}
| ${out_net}= | 68.142.68.0
| ${out_net_end}= | 68.142.68.0
| ${out_mask}= | ${32}
+# Scale settings
+| ${n_hosts}= | ${1024}
+| ${n_ports}= | ${63}
+| ${n_sessions}= | ${${n_hosts} * ${n_ports}}
+# Ramp-up settings
+| ${ramp_up_rate}= | ${500000}
+| ${ramp_up_duration}= | ${1}
# Traffic profile:
-| ${traffic_profile}= | trex-stl-ethip4udp-1024u63p-udir
+| ${traffic_profile}= | trex-stl-ethip4udp-${n_hosts}u${n_ports}p-udir
*** Keywords ***
| Local Template
| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
| | And Pre-initialize layer driver | ${nic_driver}
| | And Add NAT to all DUTs | nat_mode=${nat_mode}
+| | ${max_translations_per_thread}= | Compute Max Translations Per Thread
+| | ... | ${n_sessions} | ${thr_count_int}
| | And Add NAT max translations per thread to all DUTs
| | ... | ${max_translations_per_thread}
| | And Apply startup configuration on all VPP DUTs
| | And Initialize layer interface
| | And Initialize IPv4 forwarding for NAT44 in circular topology
| | And Initialize NAT44 endpoint-dependent mode in circular topology
-| | Then Find NDR and PDR intervals using optimized search
+| | Then Send ramp-up traffic
+| | And Verify NAT44 UDP sessions number on DUT1 node
+| | And Find NDR and PDR intervals using optimized search
| | ... | traffic_directions=${1}
*** Test Cases ***