I am so close to a successful AWS IPSec tunnel to my on premise (test) PA200 7.1.15.
I've downloaded the configuration file and using it as a guide, IPs, etc.
But I've been using this article to configure. Main difference is I created a specific AWS zone like I do for all my IPSec Tunnels.
I am able to access my on premise environment from the AWS EC2 instance, but not from on premise to AWS EC2 172.31.24.69.
I can't ping it or connect to the EC2 via RDP. I see the ping tries in traffic log, but nothing shows up in packet trace for the RDP attempts. <UPDATE> Resolved after correcting IPs for PBF and RDP connection from LAN.
AWS has two VPN connections for redundancy. I have both configured and active.
NOTE: My Azure IPSec tunnel works great!
Configured tunnel interfaces according to AWS text document.
Configured tunnel monitor profile.
Configured PBF like referenced in documentation. <Corrected>
Configured Static routes for both VPN connections (different metric).
Created security rules in and out for AWS zone, open.
No additional NAT rules. Just basic outbound internet rule to Untrust. <corrected>
A ping from a VM inside my LAN ages out. Nothing shows up when I try to RDP, including a packet trace, not even a drop file.
If you are refering to both tunnels going to the same VPG on the same firewall, yes, leave them in the same zone. While they do not support ECMP, they also do not guarantee the same tunnel will be active always. Putting the tunnels in the same zone will overcome IP Spoofing issue that creates.
Thanks for the suggestion
we will try that option as well. Also AWS suggested the below
Entering configuration mode  # set deviceconfig setting tcp asymmetric-path bypass
# set deviceconfig setting session tcp-reject-non-syn no
We are quite hesitant to enable this gloabally, as this would also apply for non aws traffic. So enabled this via the zone protection profile - strickly for that zone.
I typically recommend to start with this guide.
Once you have your Transit Firewalls built, you can terminate the on-prem Firewalls on the Transit Firwalls with VPNs as if they are another spoke. From there you can control policy locally or with Panorama, creating rules based on zones or subnets.
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