+*** Settings ***
+Documentation Deep inspection of HTTP traffic on symmetric chain.
+... Nodes are located on different VMs.
+Library SSHLibrary
+Resource ../../../../../libraries/GBP/OpenFlowUtils.robot
+Resource ../Variables.robot
+Resource ../Connections.robot
+Suite Setup Start Connections
+Suite Teardown Close Connections
+
+*** Variables ***
+
+*** Testcases ***
+
+Start HTTP on h36_4 on Port 80
+ [Documentation] Starting HTTP service on docker container.
+ Set Test Variables client_name=h35_3 client_ip=10.0.35.3 server_name=h36_4 server_ip=10.0.36.4
+ ... service_port=80 ether_type=0x0800 proto=6 vxlan_gpe_port=2
+ Switch Connection GPSFC6_CONNECTION
+ Start HTTP Service on Docker ${SERVER_NAME} ${SERVICE_PORT}
+
+Curl h36_4 from h35_3
+ [Documentation] Test HTTP request from a docker container to serving docker container.
+ Switch Connection GPSFC1_CONNECTION
+ Curl from Docker ${CLIENT_NAME} ${SERVER_IP} service_port=${SERVICE_PORT}
+
+Start Endless Curl on h35_3 on port 80
+ [Documentation] Starting endless HTTP session for traffic inspection.
+ Start Endless Curl from Docker ${CLIENT_NAME} ${SERVER_IP} ${SERVICE_PORT} sleep=1
+
+On GBPSFC1 Send HTTP req h35_3-h36_4 to GBPSFC2
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC1_CONNECTION
+ ${flow} Inspect Classifier Outbound in_port=5 out_port=${VXLAN_GPE_PORT} eth_type=${ETHER_TYPE} inner_src_ip=${CLIENT_IP}
+ ... inner_dst_ip=${SERVER_IP} next_hop_ip=${GBPSFC2} nsi=255 proto=${PROTO} dst_port=${SERVICE_PORT}
+ ${nsp_35_3-nsp_36_4} GET NSP Value From Flow ${flow}
+ Set Global Variable ${NSP_path1} ${nsp_35_3-nsp_36_4}
+
+On GBPSFC2 Send HTTP req h35_3-h36_4 to GBPSFC3
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC2_CONNECTION
+ Inspect Service Function Forwarder in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC1} outer_dst_ip=${GBPSFC2} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${CLIENT_IP} inner_dst_ip=${SERVER_IP} next_hop_ip=${GBPSFC3} nsp=${NSP_path1} nsi=255 proto=${PROTO}
+
+On GBPSFC3 Send HTTP req h35_3-h36_4 to GBPSFC2
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC3_CONNECTION
+ Inspect Service Function in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC2} outer_dst_ip=${GBPSFC3} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${CLIENT_IP} inner_dst_ip=${SERVER_IP} next_hop_ip=${GBPSFC2} nsp=${NSP_path1} received_nsi=255
+
+On GBPSFC2 Send HTTP req h35_3-h36_4 to GBPSFC4
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC2_CONNECTION
+ Inspect Service Function Forwarder in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC3} outer_dst_ip=${GBPSFC2} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${CLIENT_IP} inner_dst_ip=${SERVER_IP} next_hop_ip=${GBPSFC4} nsp=${NSP_path1} nsi=254 proto=${PROTO}
+
+On GBPSFC4 Send HTTP req h35_3-h36_4 to GBPSFC5
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC4_CONNECTION
+ Inspect Service Function Forwarder in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC2} outer_dst_ip=${GBPSFC4} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${CLIENT_IP} inner_dst_ip=${SERVER_IP} next_hop_ip=${GBPSFC5} nsp=${NSP_path1} nsi=254 proto=${PROTO}
+
+On GBPSFC5 Send HTTP req h35_3-h36_4 to GBPSFC4
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC5_CONNECTION
+ Inspect Service Function in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC4} outer_dst_ip=${GBPSFC5} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${CLIENT_IP} inner_dst_ip=${SERVER_IP} next_hop_ip=${GBPSFC4} nsp=${NSP_path1} received_nsi=254
+
+On GBPSFC4 Send HTTP req h35_3-h36_4 to GBPSFC6
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC4_CONNECTION
+ Inspect Service Function Forwarder in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC5} outer_dst_ip=${GBPSFC4} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${CLIENT_IP} inner_dst_ip=${SERVER_IP} next_hop_ip=${GBPSFC6} nsp=${NSP_path1} nsi=253 proto=${PROTO}
+
+On GBPSFC6 Send HTTP req h35_3-h36_4 to h36_4
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC6_CONNECTION
+ Inspect Classifier Inbound in_port=${VXLAN_GPE_PORT} out_port=6 eth_type=${ETHER_TYPE} inner_src_ip=${CLIENT_IP} inner_dst_ip=${SERVER_IP}
+ ... outer_src_ip=${GBPSFC4} outer_dst_ip=${GBPSFC6} nsp=${NSP_path1} nsi=253 proto=${PROTO}
+
+On GBPSFC6 Send HTTP resp h36_4-h35_3 to GBPSFC4
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC6_CONNECTION
+ ${flow} Inspect Classifier Outbound in_port=6 out_port=${VXLAN_GPE_PORT} eth_type=${ETHER_TYPE} inner_src_ip=${SERVER_IP}
+ ... inner_dst_ip=${CLIENT_IP} next_hop_ip=${GBPSFC4} nsi=255 proto=${PROTO} src_port=${SERVICE_PORT}
+ ${nsp_36_4-nsp_35_3} GET NSP Value From Flow ${flow}
+ Set Global Variable ${NSP_path2} ${nsp_36_4-nsp_35_3}
+
+On GBPSFC4 Send HTTP resp h36_4-h35_3 to GBPSFC5
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC4_CONNECTION
+ Inspect Service Function Forwarder in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC6} outer_dst_ip=${GBPSFC4} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${SERVER_IP} inner_dst_ip=${CLIENT_IP} next_hop_ip=${GBPSFC5} nsp=${NSP_path2} nsi=255 proto=${PROTO}
+
+On GBPSFC5 Send HTTP resp h36_4-h35_3 to GBPSFC4
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC5_CONNECTION
+ Inspect Service Function in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC4} outer_dst_ip=${GBPSFC5} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${SERVER_IP} inner_dst_ip=${CLIENT_IP} next_hop_ip=${GBPSFC4} nsp=${NSP_path2} received_nsi=255
+
+On GBPSFC4 Send HTTP resp h36_4-h35_3 to GBPSFC2
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC4_CONNECTION
+ Inspect Service Function Forwarder in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC5} outer_dst_ip=${GBPSFC4} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${SERVER_IP} inner_dst_ip=${CLIENT_IP} next_hop_ip=${GBPSFC2} nsp=${NSP_path2} nsi=254 proto=${PROTO}
+
+On GBPSFC2 Send HTTP resp h36_4-h35_3 to GBPSFC3
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC2_CONNECTION
+ Inspect Service Function Forwarder in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC4} outer_dst_ip=${GBPSFC2} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${SERVER_IP} inner_dst_ip=${CLIENT_IP} next_hop_ip=${GBPSFC3} nsp=${NSP_path2} nsi=254 proto=${PROTO}
+
+On GBPSFC3 Send HTTP resp h36_4-h35_3 to GBPSFC2
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC3_CONNECTION
+ Inspect Service Function in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC2} outer_dst_ip=${GBPSFC3} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${SERVER_IP} inner_dst_ip=${CLIENT_IP} next_hop_ip=${GBPSFC2} nsp=${NSP_path2} received_nsi=254
+
+On GBPSFC2 Send HTTP resp h36_4-h35_3 to GBPSFC1
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC2_CONNECTION
+ Inspect Service Function Forwarder in_port=${VXLAN_GPE_PORT} out_port=${VXLAN_GPE_PORT} outer_src_ip=${GBPSFC3} outer_dst_ip=${GBPSFC2} eth_type=${ETHER_TYPE}
+ ... inner_src_ip=${SERVER_IP} inner_dst_ip=${CLIENT_IP} next_hop_ip=${GBPSFC1} nsp=${NSP_path2} nsi=253 proto=${PROTO}
+
+On GBPSFC1 Send HTTP resp h36_4-h35_3 to h35_3
+ [Documentation] HTTP traffic inspection.
+ Switch Connection GPSFC1_CONNECTION
+ Inspect Classifier Inbound in_port=${VXLAN_GPE_PORT} out_port=5 eth_type=${ETHER_TYPE} inner_src_ip=${SERVER_IP} inner_dst_ip=${CLIENT_IP}
+ ... outer_src_ip=${GBPSFC2} outer_dst_ip=${GBPSFC1} nsp=${NSP_path2} nsi=253 proto=${PROTO}
+
+Compare NSPs
+ [Documentation] Verifying that different paths were taken.
+ Should Not Be Equal As Numbers ${NSP_path1} ${NSP_path2}
+
+Stop Endless Curl on h35_3 on port 80
+ [Documentation] Stopping endless HTTP session after traffic inspection finishes.
+ Switch Connection GPSFC1_CONNECTION
+ Stop Endless Curl from Docker ${CLIENT_NAME}
+
+Stop HTTP on h36_4 on Port 80
+ [Documentation] Stopping HTTP service on the docker container.
+ Switch Connection GPSFC6_CONNECTION
+ Stop HTTP Service on Docker ${SERVER_NAME}
+