Trex Traffic generator in AWS

Question

I'm relatively new to cloud and T-rex. I was trying to do a simple loopback on a c5.4xlarge instance on AWS

I did the following:

• Built Trex on Aamazon Linux 2 AMI
• Attached 2 additional interfaces to the instance (10.0.1.103) residing on subnet A and (10.0.2.96) residing on subnet B

I wanted to test a simple loop back using trex:

• In dpdk_setup_ports.py, I selected the 2 interfaces and went with ip based configuration and defaults 1.1.1.1 and gateway 2.2.2.2 and vice versa for the second interface
• Ran trex server in promiscuous mode (./t-rex-64 -i -c 2 --prom)
• In another terminal I ran ./trex-console and ran the bench.py file (I had made changes in the bench.py file, the start and end for src address was 10.0.1.103 and dest was 10.0.2.96)
• Ran it for single port i.e 0 (traffic flow 0->1)

I was able to pump the traffic, but was not able to receive it.

I had added a Route Table saying target 10.0.0.0/16 dest=interface of 10.0.2.96 and target 0.0.0.0/0 dest=interface of 10.0.2.96

According to this, any packet leaving subnet A should go to the interface of 10.0.2.96 which is in subnet B and for security groups, I have added a rule to allow all packets and ip addresses, but was still not able to receive any packets on the other interface.

Any help would be appreciated.

I allowed all traffic in the security groups, and I double checked my routing table, it was fine itself.