| ${osi_layer}= | L3
| ${crypto_type}= | HW_DH895xcc
| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
| ${overhead}= | ${54}
| ${tg_if1_ip4}= | 192.168.10.2
| ${dut1_if1_ip4}= | 192.168.10.1
| | And Apply startup configuration on all VPP DUTs
| | And VPP IPsec Select Backend | ${dut1} | ${ipsec_proto} | index=${1}
| | And VPP IPsec Select Backend | ${dut2} | ${ipsec_proto} | index=${1}
-| | When Initialize IPSec in 3-node circular topology
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize IPSec in 3-node circular topology
| | And VPP IPsec Create Tunnel Interfaces
| | ... | ${nodes} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
| | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${auth_alg}