Bug ID 1196505: BIG-IP might RST HTTP2 connection with [F5RST:mrhttp_proxy bad transition] when ASM is in use.

Last Modified: Oct 22, 2025

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

Known Affected Versions:
16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1

Opened: Nov 30, 2022

Severity: 3-Major

Symptoms

BIG-IP might RST HTTP2 connection with [F5RST:mrhttp_proxy bad transition] when ASM is in use.

Impact

Unexpected connection reset.

Conditions

- HTTP2 - ASM provisioned and passing traffic

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips