I am having difficulties to get Overlay routing working with AWS GWLB and I was wondering is it something that I am doing wrong or missing some configuration element...
Any of you using AWS GWLB with overlay routing enabled?
In my test setup when overlay routing is enabled the test VM is able to reach internet over the PAN FW - Outbound is working fine.
But East-West between VPCs and Inbound traffic is not working. I can see traffic hitting the firewall, but allow traffic log show only byte send and no return traffic. Packet capture on the destination (for both east-west and inbound) doesn't show traffic to be arriving, so it looks like once FW inspect the packet and send back to GWLBe it doesn't send it in the correct direction.
If overlay routing is disabled everything works - east-west, inbound and outbound.
I found some old discussions mentioning issues with overlay routing, but from what I understand those know issues were for version 10.0.x, while we have tested with 10.2.1 and 10.1.6
Thank you for the suggestion, but I doubted the problem is in GWLBe route table. The reason for that is exact same setup (same GWLBe, same route table, everything works for East-West traffic the moment we have disabled route overlay. Also the outbound traffic works over the same GWLBe when overlay is enabled and I believe it wouldn't work if I was missing route for the VPC, right?
I have the same problem, if I disabled Overlay then my east/west traffic worked fine, but outbound did not. With overlay on, it's the reverse. I tried 2.1.4, 2.1.6 and 2.1.7 plugins no change. I am also running 10.1.6. I just downgraded to 10.1.5h1 and now it all works, maybe give that a shot.
With 1 post to your name to say something is being fixed, and with all due respect: how do you know 'the team' (assume you mean Palo Alto dev) are actively working on it?
Can you provide more detail please @npandey
As we need an upgrade path into version 10.2 and beyond, and this bug (that is known) has not been fixed any any releases beyond 10.1.5-h5
I have come across this issue and the reason I got tagged to this query. I have already raised this issue with the product team and that’s how I am aware about the Dev team looking into it.
If this is urgent and the customer is ok with NAT gateway, this could be a workaround otherwise we may have to wait for the fix to be officially available. If the customer needs a more official statement, please raise a TAC case.
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