Bug ID 471001: Standby responds to traceroute on mirror enabled forwarding virtual server

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 11.6.3,,,,, 11.6.4, 11.6.5,,,, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:

Opened: Jul 09, 2014

Severity: 3-Major

Related Article: K60650269


Standby responds with ICMP time exceeded message on mirror enabled forwarding virtual server.


Standby responds with ICMP time-exceeded message.


This occurs when the following conditions are met: HA configuration, IP forwarding virtual server, mirroring enabled, non-floating self IP address, simultaneous flood of ICMP packet to both active and standby systems.


Disable mirroring in forwarding virtual server, or remove non-floating self IP address on standby system.

Fix Information

Standby no longer responds to traceroute packets. This is correct behavior.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips