Bug ID 619701: The rate_limit setting might affect to iClient connectivity

Last Modified: Apr 19, 2021

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3,,,,,,,, 12.1.4,, 12.1.5,,,, 12.1.6

Fixed In:

Opened: Sep 29, 2016
Severity: 3-Major


Sometimes, iClient (using iSession) cannot connect to server. In TMM log: iSession: Connection error: isession_handle_syn:3630: No peer.


iClient randomly cannot connect


If a rate limit is set for an iClient virtual server (with iSession defined) it can sometimes prevent iClient from connecting.


remove rate limit from virtual

Fix Information

avoid rate_limit check for iSession control connection.

Behavior Change