Bug ID 1620341: TMM dynamic routes might get missing in Linux Kernel

Last Modified: Jun 28, 2025

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

Known Affected Versions:
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

Opened: Jul 24, 2024

Severity: 4-Minor

Symptoms

After some time of stable operations a dynamic route coming from BGP would become missing in the Linux Kernel, but be present in TMM

Impact

Dynamic routes are missing in the Linux Kernel routes table. Services that run on the Linux host may be affected. - Monitors - Live Update - Remote Auth etc..

Conditions

Local subnet routes are being learned from BGP neighbors.

Workaround

Create an inbound filter to deny the local-subnet routes via the BGP route-map

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips