X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=tests%2Fvpp%2Fperf%2Fcrypto%2F40ge2p1xl710-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrpdrdisc.robot;h=5488e9bb11ec46a40c4251b468194fbf8deba61d;hp=cd56ceb4627fe28511b5af8eb94dde14a2e5a149;hb=6a6126b2f26607263e4543a1e0b5012ab2f0601b;hpb=2cc797fa23da02eefa19637521098ec41622189b

diff --git a/tests/vpp/perf/crypto/40ge2p1xl710-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrpdrdisc.robot b/tests/vpp/perf/crypto/40ge2p1xl710-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrpdrdisc.robot
index cd56ceb462..5488e9bb11 100644
--- a/tests/vpp/perf/crypto/40ge2p1xl710-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrpdrdisc.robot
+++ b/tests/vpp/perf/crypto/40ge2p1xl710-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrpdrdisc.robot
@@ -19,6 +19,7 @@
 | ... | IP4FWD | IPSEC | IPSECHW | IPSECTUN | NIC_Intel-XL710 | TNL_1000
 | ...
 | Suite Setup | Set up IPSec performance test suite | L3 | Intel-XL710
+| ... | HW_cryptodev
 | ...
 | Suite Teardown | Tear down 3-node performance topology
 | ...
@@ -54,9 +55,9 @@
 
 *** Variables ***
 # XL710-DA2 bandwidth limit ~49Gbps/2=24.5Gbps
-| ${s_24.5G} | ${24500000000}
+| ${s_24.5G}= | ${24500000000}
 # XL710-DA2 Mpps limit 37.5Mpps/2=18.75Mpps
-| ${s_18.75Mpps} | ${18750000}
+| ${s_18.75Mpps}= | ${18750000}
 | ${tg_if1_ip4}= | 192.168.10.2
 | ${dut1_if1_ip4}= | 192.168.10.1
 | ${dut1_if2_ip4}= | 172.168.1.1
@@ -69,20 +70,21 @@
 | ${ipsec_overhead_gcm}= | ${54}
 | ${n_tunnels}= | ${1000}
 # Traffic profile:
-| ${traffic_profile} | trex-sl-3n-ethip4-ip4dst${n_tunnels}
+| ${traffic_profile}= | trex-sl-3n-ethip4-ip4dst${n_tunnels}
 
 *** Test Cases ***
 | tc01-64B-1t1c-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUTs run 1000 IPsec tunnels AES GCM in each direction,\
-| | ... | configured with 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | configured with 1 phy core, 1 receive queue per NIC port.
 | | ... | [Ver] Find NDR for 64 Byte frames\
-| | ... | using binary search start at 40GE linerate, step 100kpps.
+| | ... | using binary search start at 40GE linerate, step 50kpps.
 | | ...
-| | [Tags] | 64B | 1T1C | STHREAD | NDRDISC
+| | [Tags] | 64B | 1C | NDRDISC
 | | ...
+| | # FIXME: Move repeated lines into a keyword.
 | | ${framesize}= | Set Variable | ${64}
-| | ${min_rate}= | Set Variable | ${10000}
+| | ${min_rate}= | Set Variable | ${50000}
 | | ${max_rate}= | Set Variable | ${s_18.75Mpps}
 | | ${binary_min}= | Set Variable | ${min_rate}
 | | ${binary_max}= | Set Variable | ${max_rate}
@@ -90,18 +92,19 @@
 | | ${encr_alg}= | Crypto Alg AES GCM 128
 | | ${auth_alg}= | Integ Alg AES GCM 128
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
-| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
-| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Add PCI devices to all DUTs
 | | And Add no multi seg to all DUTs
 | | And Add cryptodev to all DUTs | ${1}
 | | And Add DPDK dev default RXD to all DUTs | 2048
 | | And Add DPDK dev default TXD to all DUTs | 2048
 | | And Apply startup configuration on all VPP DUTs
+| | When Generate keys for IPSec | ${encr_alg} | ${auth_alg}
 | | And Initialize IPSec in 3-node circular topology
 | | And VPP IPsec Create Tunnel Interfaces
 | | ... | ${dut1} | ${dut2} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
 | | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${encr_key} | ${auth_alg}
 | | ... | ${auth_key} | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
+| | And Set interfaces in path in 3-node circular topology up
 | | Then Find NDR using binary search and pps | ${framesize}
 | | ... | ${binary_min} | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -109,14 +112,14 @@
 | tc02-64B-1t1c-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUTs run 1000 IPsec tunnels AES GCM in each direction,\
-| | ... | configured with 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | configured with 1 phy core, 1 receive queue per NIC port.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 40GE\
-| | ... | linerate, step 100kpps and loss tolerance of 0.5%.
+| | ... | linerate, step 50kpps and loss tolerance of 0.5%.
 | | ...
-| | [Tags] | 64B | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
+| | [Tags] | 64B | 1C | PDRDISC | SKIP_PATCH
 | | ...
 | | ${framesize}= | Set Variable | ${64}
-| | ${min_rate}= | Set Variable | ${10000}
+| | ${min_rate}= | Set Variable | ${50000}
 | | ${max_rate}= | Set Variable | ${s_18.75Mpps}
 | | ${binary_min}= | Set Variable | ${min_rate}
 | | ${binary_max}= | Set Variable | ${max_rate}
@@ -124,18 +127,19 @@
 | | ${encr_alg}= | Crypto Alg AES GCM 128
 | | ${auth_alg}= | Integ Alg AES GCM 128
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
-| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
-| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Add PCI devices to all DUTs
 | | And Add no multi seg to all DUTs
 | | And Add cryptodev to all DUTs | ${1}
 | | And Add DPDK dev default RXD to all DUTs | 2048
 | | And Add DPDK dev default TXD to all DUTs | 2048
 | | And Apply startup configuration on all VPP DUTs
+| | When Generate keys for IPSec | ${encr_alg} | ${auth_alg}
 | | And Initialize IPSec in 3-node circular topology
 | | And VPP IPsec Create Tunnel Interfaces
 | | ... | ${dut1} | ${dut2} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
 | | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${encr_key} | ${auth_alg}
 | | ... | ${auth_key} | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
+| | And Set interfaces in path in 3-node circular topology up
 | | Then Find PDR using binary search and pps | ${framesize}
 | | ... | ${binary_min} | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -144,14 +148,14 @@
 | tc03-1518B-1t1c-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUTs run 1000 IPsec tunnels AES GCM in each direction,\
-| | ... | configured with 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | configured with 1 phy core, 1 receive queue per NIC port.
 | | ... | [Ver] Find NDR for 1518 Byte frames\
-| | ... | using binary search start at 40GE linerate, step 100kpps.
+| | ... | using binary search start at 40GE linerate, step 50kpps.
 | | ...
-| | [Tags] | 1518B | 1T1C | STHREAD | NDRDISC
+| | [Tags] | 1518B | 1C | NDRDISC
 | | ...
 | | ${framesize}= | Set Variable | ${1518}
-| | ${min_rate}= | Set Variable | ${10000}
+| | ${min_rate}= | Set Variable | ${50000}
 | | ${max_rate}= | Calculate pps | ${s_24.5G}
 | | ... | ${framesize + ${ipsec_overhead_gcm}}
 | | ${binary_min}= | Set Variable | ${min_rate}
@@ -160,17 +164,18 @@
 | | ${encr_alg}= | Crypto Alg AES GCM 128
 | | ${auth_alg}= | Integ Alg AES GCM 128
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
-| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
-| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Add PCI devices to all DUTs
 | | And Add cryptodev to all DUTs | ${1}
 | | And Add DPDK dev default RXD to all DUTs | 2048
 | | And Add DPDK dev default TXD to all DUTs | 2048
 | | And Apply startup configuration on all VPP DUTs
+| | When Generate keys for IPSec | ${encr_alg} | ${auth_alg}
 | | And Initialize IPSec in 3-node circular topology
 | | And VPP IPsec Create Tunnel Interfaces
 | | ... | ${dut1} | ${dut2} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
 | | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${encr_key} | ${auth_alg}
 | | ... | ${auth_key} | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
+| | And Set interfaces in path in 3-node circular topology up
 | | Then Find NDR using binary search and pps | ${framesize}
 | | ... | ${binary_min} | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -178,14 +183,14 @@
 | tc04-1518B-1t1c-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUTs run 1000 IPsec tunnel AES GCM in each direction,\
-| | ... | configured with 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | configured with 1 phy core, 1 receive queue per NIC port.
 | | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 40GE\
-| | ... | linerate, step 100kpps and loss tolerance of 0.5%.
+| | ... | linerate, step 50kpps and loss tolerance of 0.5%.
 | | ...
-| | [Tags] | 1518B | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
+| | [Tags] | 1518B | 1C | PDRDISC | SKIP_PATCH
 | | ...
 | | ${framesize}= | Set Variable | ${1518}
-| | ${min_rate}= | Set Variable | ${10000}
+| | ${min_rate}= | Set Variable | ${50000}
 | | ${max_rate}= | Calculate pps | ${s_24.5G}
 | | ... | ${framesize + ${ipsec_overhead_gcm}}
 | | ${binary_min}= | Set Variable | ${min_rate}
@@ -194,17 +199,18 @@
 | | ${encr_alg}= | Crypto Alg AES GCM 128
 | | ${auth_alg}= | Integ Alg AES GCM 128
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
-| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
-| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Add PCI devices to all DUTs
 | | And Add cryptodev to all DUTs | ${1}
 | | And Add DPDK dev default RXD to all DUTs | 2048
 | | And Add DPDK dev default TXD to all DUTs | 2048
 | | And Apply startup configuration on all VPP DUTs
+| | When Generate keys for IPSec | ${encr_alg} | ${auth_alg}
 | | And Initialize IPSec in 3-node circular topology
 | | And VPP IPsec Create Tunnel Interfaces
 | | ... | ${dut1} | ${dut2} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
 | | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${encr_key} | ${auth_alg}
 | | ... | ${auth_key} | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
+| | And Set interfaces in path in 3-node circular topology up
 | | Then Find PDR using binary search and pps | ${framesize}
 | | ... | ${binary_min} | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -213,16 +219,16 @@
 | tc05-IMIX-1t1c-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUTs run 1000 IPsec tunnels AES GCM in each direction,\
-| | ... | configured with 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | configured with 1 phy core, 1 receive queue per NIC port.
 | | ... | [Ver] Find NDR for IMIX_v4_1 frames\
-| | ... | using binary search start at 40GE linerate, step 100kpps.
+| | ... | using binary search start at 40GE linerate, step 50kpps.
 | | ... | IMIX_v4_1 = (28x64B; 16x570B; 4x1518B)
 | | ...
-| | [Tags] | IMIX | 1T1C | STHREAD | NDRDISC
+| | [Tags] | IMIX | 1C | NDRDISC
 | | ...
 | | ${framesize}= | Set Variable | IMIX_v4_1
 | | ${imix_size}= | Get Frame Size | ${framesize}
-| | ${min_rate}= | Set Variable | ${10000}
+| | ${min_rate}= | Set Variable | ${50000}
 | | ${max_rate}= | Calculate pps | ${s_24.5G}
 | | ... | ${imix_size} + ${ipsec_overhead_gcm}
 | | ${binary_min}= | Set Variable | ${min_rate}
@@ -231,17 +237,18 @@
 | | ${encr_alg}= | Crypto Alg AES GCM 128
 | | ${auth_alg}= | Integ Alg AES GCM 128
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
-| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
-| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Add PCI devices to all DUTs
 | | And Add cryptodev to all DUTs | ${1}
 | | And Add DPDK dev default RXD to all DUTs | 2048
 | | And Add DPDK dev default TXD to all DUTs | 2048
 | | And Apply startup configuration on all VPP DUTs
+| | When Generate keys for IPSec | ${encr_alg} | ${auth_alg}
 | | And Initialize IPSec in 3-node circular topology
 | | And VPP IPsec Create Tunnel Interfaces
 | | ... | ${dut1} | ${dut2} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
 | | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${encr_key} | ${auth_alg}
 | | ... | ${auth_key} | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
+| | And Set interfaces in path in 3-node circular topology up
 | | Then Find NDR using binary search and pps | ${framesize}
 | | ... | ${binary_min} | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -249,16 +256,16 @@
 | tc06-IMIX-1t1c-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUTs run 1000 IPsec tunnels AES GCM in each direction,\
-| | ... | configured with 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | configured with 1 phy core, 1 receive queue per NIC port.
 | | ... | [Ver] Find PDR for IMIX_v4_1 frames using binary search start at 40GE\
-| | ... | linerate, step 100kpps and loss tolerance of 0.5%.
+| | ... | linerate, step 50kpps and loss tolerance of 0.5%.
 | | ... | IMIX_v4_1 = (28x64B; 16x570B; 4x1518B)
 | | ...
-| | [Tags] | IMIX | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
+| | [Tags] | IMIX | 1C | PDRDISC | SKIP_PATCH
 | | ...
 | | ${framesize}= | Set Variable | IMIX_v4_1
 | | ${imix_size}= | Get Frame Size | ${framesize}
-| | ${min_rate}= | Set Variable | ${10000}
+| | ${min_rate}= | Set Variable | ${50000}
 | | ${max_rate}= | Calculate pps | ${s_24.5G}
 | | ... | ${imix_size} + ${ipsec_overhead_gcm}
 | | ${binary_min}= | Set Variable | ${min_rate}
@@ -267,17 +274,18 @@
 | | ${encr_alg}= | Crypto Alg AES GCM 128
 | | ${auth_alg}= | Integ Alg AES GCM 128
 | | Given Add '1' worker threads and '1' rxqueues in 3-node single-link circular topology
-| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
-| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Add PCI devices to all DUTs
 | | And Add cryptodev to all DUTs | ${1}
 | | And Add DPDK dev default RXD to all DUTs | 2048
 | | And Add DPDK dev default TXD to all DUTs | 2048
 | | And Apply startup configuration on all VPP DUTs
+| | When Generate keys for IPSec | ${encr_alg} | ${auth_alg}
 | | And Initialize IPSec in 3-node circular topology
 | | And VPP IPsec Create Tunnel Interfaces
 | | ... | ${dut1} | ${dut2} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
 | | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${encr_key} | ${auth_alg}
 | | ... | ${auth_key} | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
+| | And Set interfaces in path in 3-node circular topology up
 | | Then Find PDR using binary search and pps | ${framesize}
 | | ... | ${binary_min} | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}
@@ -286,14 +294,14 @@
 | tc07-64B-2t2c-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-ndrdisc
 | | [Documentation]
 | | ... | [Cfg] DUTs run 1000 IPsec tunnels AES GCM in each direction,\
-| | ... | configured with 2 thread, 2 phy core, 1 receive queue per NIC port.
+| | ... | configured with 2 phy core, 1 receive queue per NIC port.
 | | ... | [Ver] Find NDR for 64 Byte frames\
-| | ... | using binary search start at 40GE linerate, step 100kpps.
+| | ... | using binary search start at 40GE linerate, step 50kpps.
 | | ...
-| | [Tags] | 64B | 2T2C | MTHREAD | NDRDISC
+| | [Tags] | 64B | 2C | NDRDISC
 | | ...
 | | ${framesize}= | Set Variable | ${64}
-| | ${min_rate}= | Set Variable | ${10000}
+| | ${min_rate}= | Set Variable | ${50000}
 | | ${max_rate}= | Set Variable | ${s_18.75Mpps}
 | | ${binary_min}= | Set Variable | ${min_rate}
 | | ${binary_max}= | Set Variable | ${max_rate}
@@ -301,18 +309,19 @@
 | | ${encr_alg}= | Crypto Alg AES GCM 128
 | | ${auth_alg}= | Integ Alg AES GCM 128
 | | Given Add '2' worker threads and '1' rxqueues in 3-node single-link circular topology
-| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
-| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Add PCI devices to all DUTs
 | | And Add no multi seg to all DUTs
 | | And Add cryptodev to all DUTs | ${2}
 | | And Add DPDK dev default RXD to all DUTs | 2048
 | | And Add DPDK dev default TXD to all DUTs | 2048
 | | And Apply startup configuration on all VPP DUTs
+| | When Generate keys for IPSec | ${encr_alg} | ${auth_alg}
 | | And Initialize IPSec in 3-node circular topology
 | | And VPP IPsec Create Tunnel Interfaces
 | | ... | ${dut1} | ${dut2} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
 | | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${encr_key} | ${auth_alg}
 | | ... | ${auth_key} | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
+| | And Set interfaces in path in 3-node circular topology up
 | | Then Find NDR using binary search and pps | ${framesize}
 | | ... | ${binary_min} | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold}
@@ -320,14 +329,14 @@
 | tc08-64B-2t2c-ethip4ipsecscale1000tnl-ip4base-int-aes-gcm-pdrdisc
 | | [Documentation]
 | | ... | [Cfg] DUTs run 1000 IPsec tunnels AES GCM in each direction,\
-| | ... | configured with 2 thread, 2 phy core, 1 receive queue per NIC port.
+| | ... | configured with 2 phy core, 1 receive queue per NIC port.
 | | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 40GE\
-| | ... | linerate, step 100kpps and loss tolerance of 0.5%.
+| | ... | linerate, step 50kpps and loss tolerance of 0.5%.
 | | ...
-| | [Tags] | 64B | 2T2C | MTHREAD | PDRDISC | SKIP_PATCH
+| | [Tags] | 64B | 2C | PDRDISC | SKIP_PATCH
 | | ...
 | | ${framesize}= | Set Variable | ${64}
-| | ${min_rate}= | Set Variable | ${10000}
+| | ${min_rate}= | Set Variable | ${50000}
 | | ${max_rate}= | Set Variable | ${s_18.75Mpps}
 | | ${binary_min}= | Set Variable | ${min_rate}
 | | ${binary_max}= | Set Variable | ${max_rate}
@@ -335,18 +344,19 @@
 | | ${encr_alg}= | Crypto Alg AES GCM 128
 | | ${auth_alg}= | Integ Alg AES GCM 128
 | | Given Add '2' worker threads and '1' rxqueues in 3-node single-link circular topology
-| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
-| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Add PCI devices to all DUTs
 | | And Add no multi seg to all DUTs
 | | And Add cryptodev to all DUTs | ${2}
 | | And Add DPDK dev default RXD to all DUTs | 2048
 | | And Add DPDK dev default TXD to all DUTs | 2048
 | | And Apply startup configuration on all VPP DUTs
+| | When Generate keys for IPSec | ${encr_alg} | ${auth_alg}
 | | And Initialize IPSec in 3-node circular topology
 | | And VPP IPsec Create Tunnel Interfaces
 | | ... | ${dut1} | ${dut2} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
 | | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${encr_key} | ${auth_alg}
 | | ... | ${auth_key} | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
+| | And Set interfaces in path in 3-node circular topology up
 | | Then Find PDR using binary search and pps | ${framesize}
 | | ... | ${binary_min} | ${binary_max} | ${traffic_profile}
 | | ... | ${min_rate} | ${max_rate} | ${threshold} | ${perf_pdr_loss_acceptance}