| | ...
| | # These are enums (not strings) so they cannot be in Variables table.
| | ${encr_alg}= | Crypto Alg AES GCM 256
-| | ${auth_alg}= | Integ Alg AES GCM 256
+| | ${auth_alg}= | Set Variable | ${NONE}
| | ${ipsec_proto}= | IPsec Proto ESP
| | ...
| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
| | And VPP IPsec Select Backend | ${dut2} | ${ipsec_proto} | index=${1}
| | When Initialize IPSec in 3-node circular topology
| | And VPP IPsec Create Tunnel Interfaces
-| | ... | ${${nodes}} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
+| | ... | ${nodes} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut1_if2}
| | ... | ${dut2_if1} | ${n_tunnels} | ${encr_alg} | ${auth_alg}
| | ... | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
| | Then Find NDR and PDR intervals using optimized search