Bug ID 699598: HTTP/2 requests with large body may result in RST_STREAM with FRAME_SIZE_ERROR or TCP RST

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3,,,,,,,, 12.1.4,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,,,,,, 14.0.0,,

Fixed In:
14.1.0,,, 12.1.5

Opened: Dec 20, 2017

Severity: 3-Major


HTTP/2 requests with a large body may result in the BIG-IP system sending RST_STREAM with FRAME_SIZE_ERROR or TCP RST (Internal Error).


-- HTTP/2 stream is reset with FRAME_SIZE_ERROR, or TCP connection is reset. Transfer does not complete. -- Client unable to send POST request with large body.


-- HTTP/2 profile is configured on the virtual server. -- HTTP/2 request has body size greater than 16 KB.



Fix Information

Large HTTP/2 requests are now processed as expected.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips