Bug ID 1031901: In HTTP2 deployment, RST_STREAM sent to client if server in CLOSING state is picked

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 16.1.0, 16.1.1

Fixed In:
17.0.0, 16.1.2, 15.1.4.1

Opened: Jul 07, 2021
Severity: 4-Minor

Symptoms

When request from client is forwarded to server which is in CLOSING state due to server sent GOAWAY but not yet close the connection, request will be failed to be forwarded to server and RST_STREAM will be sent to client

Impact

Traffic from the specific client is interrupted

Conditions

-- Virtual Server with HTTP2 profile -- There is an open connection from BIG-IP to the server. -- The server sends a GOAWAY message to the BIG-IP and the connection is kept open. -- The client sends a request to BIG-IP, BIG-IP picks the connection mentioned above to forward the request to

Workaround

N/A

Fix Information

In HTTP2 deployment, RST_STREAM is no longer sent to client if server in CLOSING state is picked

Behavior Change