X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=tests%2Fperf%2FLong_IPv4_Policer_Intel-X520-DA2.robot;h=d691bf9292e130fbd4e54d0763a4bd2e86360611;hb=2671e2616aab7a0bfec7a3501d53ccd72e12d668;hp=6803b0f6609403995f309fb6f4cf5008a58ba2f4;hpb=9c789dbbc3e0230d7ad0940c36a64c063da14c27;p=csit.git diff --git a/tests/perf/Long_IPv4_Policer_Intel-X520-DA2.robot b/tests/perf/Long_IPv4_Policer_Intel-X520-DA2.robot index 6803b0f660..d691bf9292 100644 --- a/tests/perf/Long_IPv4_Policer_Intel-X520-DA2.robot +++ b/tests/perf/Long_IPv4_Policer_Intel-X520-DA2.robot @@ -22,8 +22,13 @@ | ... | L3 | Intel-X520-DA2 | Suite Teardown | 3-node Performance Suite Teardown | Test Setup | Setup all DUTs before test -| Test Teardown | Run Keywords | Remove startup configuration of VPP from all DUTs -| ... | AND | Show vpp trace dump on all DUTs +| Test Teardown | Run Keywords +| ... | Run Keyword If Test Failed +| ... | Traffic should pass with no loss | 10 +| ... | ${min_rate}pps | ${framesize} | 3-node-IPv4 +| ... | fail_on_loss=${False} +| ... | AND | Remove startup configuration of VPP from all DUTs +| ... | AND | Show vpp trace dump on all DUTs | Documentation | *RFC2544: Pkt throughput IPv4 policer test cases* | ... | ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology @@ -48,6 +53,8 @@ | ... | *[Ref] Applicable standard specifications:* RFC2544, RFC2698. *** Variables *** +#X520-DA2 bandwidth limit +| ${s_limit} | ${10000000000} | ${cir}= | ${100} | ${eir}= | ${150} @@ -59,15 +66,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step \ | | ... | 100kpps. | | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR -| | ${framesize}= | Set Variable | 64 -| | ${min_rate}= | Set Variable | 100000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_64B} +| | ${framesize}= | Set Variable | ${64} +| | ${min_rate}= | Set Variable | ${100000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '1' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -85,15 +92,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step \ | | ... | 100kpps, LT=0.5%. | | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 64 -| | ${min_rate}= | Set Variable | 100000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_64B} +| | ${framesize}= | Set Variable | ${64} +| | ${min_rate}= | Set Variable | ${100000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '1' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -112,15 +119,15 @@ | | ... | phy core, 1 receive queue per NIC port. [Ver] Find NDR for 1518 \ | | ... | Byte frames using binary search start at 10GE linerate, step 10kpps. | | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR -| | ${framesize}= | Set Variable | 1518 -| | ${min_rate}= | Set Variable | 10000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_1518B} +| | ${framesize}= | Set Variable | ${1518} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '1' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -138,15 +145,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step \ | | ... | 10kpps, LT=0.5%. | | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 1518 -| | ${min_rate}= | Set Variable | 10000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_1518B} +| | ${framesize}= | Set Variable | ${1518} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '1' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -165,15 +172,15 @@ | | ... | phy core, 1 receive queue per NIC port. [Ver] Find NDR for 9000 \ | | ... | Byte frames using binary search start at 10GE linerate, step 5kpps. | | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR -| | ${framesize}= | Set Variable | 9000 -| | ${min_rate}= | Set Variable | 5000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_9000B} +| | ${framesize}= | Set Variable | ${9000} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '1' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Apply startup configuration on all VPP DUTs | | When IPv4 forwarding initialized in a 3-node circular topology @@ -190,15 +197,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step 5kpps, \ | | ... | LT=0.5%. | | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 9000 -| | ${min_rate}= | Set Variable | 5000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_9000B} +| | ${framesize}= | Set Variable | ${9000} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '1' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Apply startup configuration on all VPP DUTs | | When IPv4 forwarding initialized in a 3-node circular topology @@ -217,15 +224,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step \ | | ... | 100kpps. | | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR -| | ${framesize}= | Set Variable | 64 -| | ${min_rate}= | Set Variable | 100000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_64B} +| | ${framesize}= | Set Variable | ${64} +| | ${min_rate}= | Set Variable | ${100000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '2' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -243,15 +250,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step \ | | ... | 100kpps, LT=0.5%. | | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 64 -| | ${min_rate}= | Set Variable | 100000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_64B} +| | ${framesize}= | Set Variable | ${64} +| | ${min_rate}= | Set Variable | ${100000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '2' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -270,15 +277,15 @@ | | ... | phy cores, 1 receive queue per NIC port. [Ver] Find NDR for 1518 \ | | ... | Byte frames using binary search start at 10GE linerate, step 10kpps. | | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 1518 -| | ${min_rate}= | Set Variable | 10000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_1518B} +| | ${framesize}= | Set Variable | ${1518} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '2' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -296,15 +303,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step \ | | ... | 10kpps, LT=0.5%. | | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 1518 -| | ${min_rate}= | Set Variable | 10000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_1518B} +| | ${framesize}= | Set Variable | ${1518} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '2' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -323,15 +330,15 @@ | | ... | phy cores, 1 receive queue per NIC port. [Ver] Find NDR for 9000 \ | | ... | Byte frames using binary search start at 10GE linerate, step 5kpps. | | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 9000 -| | ${min_rate}= | Set Variable | 5000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_9000B} +| | ${framesize}= | Set Variable | ${9000} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '2' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Apply startup configuration on all VPP DUTs | | When IPv4 forwarding initialized in a 3-node circular topology @@ -348,15 +355,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step 5kpps, \ | | ... | LT=0.5%. | | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 9000 -| | ${min_rate}= | Set Variable | 5000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_9000B} +| | ${framesize}= | Set Variable | ${9000} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '2' worker threads and rxqueues '1' without HTT to all DUTs +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Apply startup configuration on all VPP DUTs | | When IPv4 forwarding initialized in a 3-node circular topology @@ -374,15 +381,15 @@ | | ... | phy cores, 2 receive queue per NIC port. [Ver] Find NDR for 64 \ | | ... | Byte frames using binary search start at 10GE linerate, step 100kpps. | | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR -| | ${framesize}= | Set Variable | 64 -| | ${min_rate}= | Set Variable | 100000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_64B} +| | ${framesize}= | Set Variable | ${64} +| | ${min_rate}= | Set Variable | ${100000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '4' worker threads and rxqueues '2' without HTT to all DUTs +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -400,15 +407,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step \ | | ... | 100kpps, LT=0.5%. | | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 64 -| | ${min_rate}= | Set Variable | 100000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_64B} +| | ${framesize}= | Set Variable | ${64} +| | ${min_rate}= | Set Variable | ${100000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '4' worker threads and rxqueues '2' without HTT to all DUTs +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -427,15 +434,15 @@ | | ... | phy cores, 2 receive queue per NIC port. [Ver] Find NDR for 1518 \ | | ... | Byte frames using binary search start at 10GE linerate, step 10kpps. | | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 1518 -| | ${min_rate}= | Set Variable | 10000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_1518B} +| | ${framesize}= | Set Variable | ${1518} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '4' worker threads and rxqueues '2' without HTT to all DUTs +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -453,15 +460,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step \ | | ... | 10kpps, LT=0.5%. | | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 1518 -| | ${min_rate}= | Set Variable | 10000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_1518B} +| | ${framesize}= | Set Variable | ${1518} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '4' worker threads and rxqueues '2' without HTT to all DUTs +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Add No Multi Seg to all DUTs | | And Apply startup configuration on all VPP DUTs @@ -480,15 +487,15 @@ | | ... | phy cores, 2 receive queue per NIC port. [Ver] Find NDR for 9000 \ | | ... | Byte frames using binary search start at 10GE linerate, step 5kpps. | | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 9000 -| | ${min_rate}= | Set Variable | 5000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_9000B} +| | ${framesize}= | Set Variable | ${9000} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '4' worker threads and rxqueues '2' without HTT to all DUTs +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Apply startup configuration on all VPP DUTs | | When IPv4 forwarding initialized in a 3-node circular topology @@ -505,15 +512,15 @@ | | ... | Byte frames using binary search start at 10GE linerate, step 5kpps, \ | | ... | LT=0.5%. | | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | PDR | SKIP_PATCH -| | ${framesize}= | Set Variable | 9000 -| | ${min_rate}= | Set Variable | 5000 -| | ${max_rate}= | Set Variable | ${10Ge_linerate_pps_9000B} +| | ${framesize}= | Set Variable | ${9000} +| | ${min_rate}= | Set Variable | ${10000} +| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize} | | ${binary_min}= | Set Variable | ${min_rate} | | ${binary_max}= | Set Variable | ${max_rate} | | ${threshold}= | Set Variable | ${min_rate} | | Set Test Variable | ${cb} | ${framesize} | | Set Test Variable | ${eb} | ${framesize} -| | Given Add '4' worker threads and rxqueues '2' without HTT to all DUTs +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo | | And Add PCI devices to DUTs from 3-node single link topology | | And Apply startup configuration on all VPP DUTs | | When IPv4 forwarding initialized in a 3-node circular topology