RHEL system behind a load balancer intermittently ignores new connection requests
Issue
- RHEL system behind a load balancer intermittently ignores new connection requests
- A RHEL server with a LB doing SNAT (source NAT) does not reuse connections in
TIME_WAIT
state - Unexpected Challenge ACK to new SYN on TCP tuple reuse
- Windows clients sometimes cannot connect to Linux server behind F5
Environment
- Red Hat Enterprise Linux (any version)
- Load balancer or other network router/device performing Source NAT (SNAT) on client IP address
- TCP (Transmission Control Protocol) with session reuse
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.