We have a banking customer with Sophos deployment and the network looks like below:
Firewalls: XGS 87 (12nos), XGS 107 (2nos), XGS on AWS (1nos)
Network:
XGS 107 is deployed at DC and HO
AWS hosts their software and has a Sophos deployed there
XGS 87 deployed at branches
Connectivity:
All physical Firewalls have RED tunnel connectivity with AWS
All branches have IPSEC VPN connectivity with HO and DC
Traffic Flow:
The banking application traffic gets routed directly from branches to AWS through RED Tunnel
The intranet traffic flows through IPSEC VPN
The ATM traffic flows through IPSEC VPN to DC where the ATM switch is connected
Issue:
Every morning the traffic from the ATM switch to the AWS gets stuck. All ATMs are able to connect to the ATM switch through the IPSEC tunnel but the traffic through RED is impacted. A simple RED tunnel switch off / on process resumes normal operations, but that is a workaround and not a solution.
Any idea as to where we can lookup for this particular issue?
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