BugZero | F5 BugID 1987405 - Virtual address ICMP and ARP setting might be inco...

F5 - Defect ID: 1987405

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

F5 - Defect ID: 1987405

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

Last updated on July 28th, 2026

BugZero Risk Score
6.8 Medium

Overall: 6.8

Severity: 7.3

Community: 4.2

Lifecycle: 7.8

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Bug Details

Priority: 3-Major
Status: New
Impact Category: Local Traffic Manager

Description

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

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

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, 16.1.6.1, 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, 17.1.3.1, 17.1.3.2, 17.1.3.4, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 17.5.1.6, 17.5.1.8

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: No known fixed versions

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F5 Integration

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F5 - Defect ID: 1987405

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

F5 - Defect ID: 1987405

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

Last updated on July 28th, 2026

BugZero Risk Score6.8 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1987405

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

F5 - Defect ID: 1987405

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

Last updated on July 28th, 2026

BugZero Risk Score6.8 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.8 Medium

BugZero Risk Score
6.8 Medium