Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP All
Known Affected Versions:
10.2.4, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.5.3 HF2, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2
Fixed In:
12.0.0, 11.6.0 HF5
Opened: Mar 26, 2015 Severity: 2-Critical Related Article:
K16417
In certain isolated cases, TCP profiles with Early Retransmit and SACK enabled will cause a TMM Crash.
Traffic disrupted while tmm restarts.
The connection is not in fast recovery but a SACK hole has been retransmitted.
Disable Early Retransmit in the TCP profile.
Early retransmit now handles corner cases where the SACK scoreboard is empty.