Last Modified: Jul 28, 2026
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
21.1.0, 21.1.0.1
Opened: Jun 01, 2026 Severity: 4-Minor
No service-down-action RST packet (rstcause text "Flow expired (sweeper: pool member down)") is sent out from BIG-IP to either client or pool member when service-down-action is configured as "reset," and pool member monitor down occurs
When monitor down occurs, client or pool member may not receive RST packet from BIG-IP and connection may remain longer
- On a pool object, service-down-action is configured as "reset" (default "none") - A pool member monitor down occurs, and the configured service-down-action is triggered
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