I have two CHR instances hosted with AWS. They are both in the same VPC and their ether 2 ports are both in the same subnet.
I can ping between the devices but i am unable to pass traffic. If I route traffic from the R1 to R2 it doesn't reach R2 even though they can both ping each other on their private LAN IPs.
They are both part of the same security group with rules that allow all from 0.0.0.0/0 so no blocking on their security group.
I have also disabled source/destination Check on both instances and interfaces.