Bug ID 852373: HTTP2::disable or enable breaks connection when used in iRule and logs Tcl error

Last Modified: Dec 13, 2019

Bug Tracker

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 15.0.0, 15.0.1, 15.1.0

Opened: Nov 22, 2019
Severity: 4-Minor

Symptoms

HTTP/2 connection breaks and Tcl error is logged in /var/log/ltm similar to the following: TCL error: /Common/http2_disable <CLIENT_ACCEPTED> - Unknown error (line 1) (line 1) invoked from within "HTTP2::disable".

Impact

HTTP/2 traffic is not passed to the serverside.

Conditions

Any of the following Tcl commands are used in any iRule event: HTTP2::enable, HTTP2::enable clientside, HTTP2::disable, HTTP2::disable clientside.

Workaround

Do not use the following Tcl commands: HTTP2::enable, HTTP2::enable clientside, HTTP2::disable, HTTP2::disable clientside

Fix Information

None

Behavior Change