Bug ID 952545: 'Current Sessions' statistics of HTTP2 pool may be incorrect

Last Modified: Jul 12, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 16.0.0,, 16.0.1

Fixed In:
16.1.0,, 15.1.3, 14.1.4

Opened: Oct 07, 2020
Severity: 3-Major


In HTTP2 full proxy deployment, the LTM pool 'cur_sessions' statistics may show an unusually large number, such as 18446743927680663552


'Current Sessions' statistics can be used to track number of pending requests in the queue and it can underflow.


-- HTTP2 full proxy deployment -- A client sends multiple requests over multiple streams



Fix Information

'Current Sessions' statistics of HTTP2 pool reports correctly.

Behavior Change