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

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6

Fixed In:
13.0.0

Opened: Sep 29, 2016

Severity: 3-Major

Symptoms

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

Impact

iClient randomly cannot connect

Conditions

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

Workaround

remove rate limit from virtual

Fix Information

avoid rate_limit check for iSession control connection.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips