BugZero | F5 BugID 2131833 - F5OS/rSeries r2xxx/r4xxx BIG-IP Tenant management ...

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Vendor Integrations

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ODD
F5
2131833

F5 - Defect ID: 2131833

F5OS/rSeries r2xxx/r4xxx BIG-IP Tenant management interface not reachable

ODD
F5
2131833

F5 - Defect ID: 2131833

F5OS/rSeries r2xxx/r4xxx BIG-IP Tenant management interface not reachable

Last updated on July 28th, 2026

BugZero Risk Score
6.7 Medium

Overall: 6.7

Severity: 7.3

Community: 4.2

Lifecycle: 6.4

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Bug Details

Priority: 3-Major
Status: Not Verified
Impact Category: TMOS

Description

Symptoms

On F5OS/rSeriers r2xxx/r4xxx , in rare conditions the management interface is not reachable due to a timing and ordering issue probing network interfaces In the BIG-IP Tenant, the network interfaces eth0 or mgmt are missing

Impact

Unable to reach BIG-IP Tenant management address.

Conditions

This condition is rare and when it does its usually seen on tenant first boot.

Workaround

Reboot tenant

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

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Affected versions:15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8, 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, 21.0.0, 21.0.0.1, 21.0.0.2, 21.0.0.3

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Affected versions:15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8, 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, 21.0.0, 21.0.0.1, 21.0.0.2, 21.0.0.3

Fixed versions: No known fixed versions

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