Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP All
Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2
Fixed In:
12.1.0, 12.0.0 HF3
Opened: Oct 29, 2015 Severity: 3-Major
As a result of a known issue the BigIP may reset attempts to connect to a L7 VIP when in Software syncookie mode.
Connection will be reset.
- L7 VIP with a TCP profile that allows windowscaling. - Software syncookies have been activated.
Choose or create a TCP profile that has either one of the following: - "Timestamps Extension for High Performance (RFC 1323)" option in the TCP profile disabled - Values higher than 65535 in "Receive Window" and "Send Buffer" fields
Connections are no longer reset when connecting to a L7 VIP on a BigIP in software Syncookie mode