| @{plugins_to_enable}= | dpdk_plugin.so | crypto_ia32_plugin.so
| ... | crypto_ipsecmb_plugin.so | crypto_openssl_plugin.so
| ${nic_name}= | virtual
+| ${nic_driver}= | vfio-pci
| ${overhead}= | ${54}
| ${tg_spi}= | ${1000}
| ${dut_spi}= | ${1001}
| | And Add PCI devices to all DUTs
| | And Set Max Rate And Jumbo And Handle Multi Seg
| | And Apply startup configuration on all VPP DUTs | with_trace=${True}
-| | When Configure topology for IPv4 IPsec testing
+| | When Initialize layer driver | ${nic_driver}
+| | And Configure topology for IPv4 IPsec testing
| | And Generate keys for IPSec | ${encr_alg} | ${auth_alg}
| | And Configure manual keyed connection for IPSec
| | ... | ${dut1} | ${dut1_if1} | ${encr_alg} | ${encr_key} | ${auth_alg}