Bug ID 1060093: Upgrading BIG-IP tenant from 14.1.4.4-0.0.4 to 15.1.5-0.0.3 with blade in the 8th slot causes backplane CDP clustering issues.

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP Install/Upgrade, Velos(all modules)

Fixed In:
17.1.0, 15.1.5

Opened: Nov 07, 2021

Severity: 2-Critical

Symptoms

When upgrading from 14.1.x to 15.1.5.x, the 8th slot in a VELOS chassis does not cluster.

Impact

8th slot in a cluster is not active.

Conditions

Issue 'tmsh show sys cluster' shows 8th slot not active in the cluster.

Workaround

N/A

Fix Information

N/A

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips