Bug ID 1987405: Virtual address ICMP and ARP setting might be inconsistent when traffic-matching-criteria is in use.

Last Modified: Oct 15, 2025

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

Known Affected Versions:
16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3

Opened: Jul 17, 2025

Severity: 3-Major

Symptoms

Using traffic-matching-criteria [TMC] destination IP lists and defining virtual-addresses matching TMC destinations might lead to unpredictable behavior on ARP/ICMP virtual-address settings.

Impact

ICMP/ARP settings might not apply properly to configured virtual-addresses.

Conditions

-- Using traffic-matching-criteria. -- Destination specified in traffic-matching-criteria list is the same as defined virtual-address.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips