Forum Discussion
fluzocapacitor
Cirrus
Jun 08, 2025Delayed connection when traffic crosses router domains in F5 BIG-IP
Hi everyone, I'm experiencing an issue with F5 BIG-IP involving multiple router domains and would appreciate any insight. We’ve recently moved some VLANs into a separate router domain (RD2) on our ...
Injeyan_Kostas
Nacreous
Jun 11, 2025Are you doing SNAT on the Virtual Server?
With child/parent relationship forwarded traffic should be already allowed.
And this actually how your RD0 VS can send traffic to RD2 pool member
fluzocapacitor
Cirrus
Jun 11, 2025Yes. When the F5 receives a connection on the VS 192.168.158.79 from 192.168.142.4, it replaces the source IP before forwarding the request to the pool member 192.168.152.15. As a result, the pool member sees the connection as coming from the F5’s self IP (e.g., 192.168.152.7).
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