Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1
Fixed In:
13.1.0
Opened: Dec 21, 2016 Severity: 4-Minor
DPD transmit timer had variation about 5 sec and it is OK for big values (like 60 sec) but too big for small values (like 6 sec)
This problem have (almost) no impacts. The timer variations are visible on tcpdump or highest log level. There is no real functionality effect.
small values of DPD timer make this problem visible
Mostly cosmetic, does not require mitigation.
After the fix the timer variations became dependable of the basic value and it looks good now.