Bug ID 842625: SIP message routing remembers a 'no connection' failure state forever

Last Modified: Jul 12, 2023

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,, 15.0.0, 15.0.1,,,, 15.1.0,

Fixed In:

Opened: Oct 24, 2019

Severity: 3-Major


When SIP message routing fails to route to a pool member (Triggering a MR_FAILED, MR::message status of 'no connection'), The BIG-IP system caches the failed state and continues to return this even after the pool member becomes reachable again.


The BIG-IP system is never be able to establish connection to the peer.


When BIG-IP systen fails to route messages to the peer (server) due to unavailability of route or any other issues.



Fix Information

SIP message routing now recovers from a 'no connection' failure state.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips