Bug ID 1697309: Default route incorrectly modified when F5BigNetStaticroute CR is applied with 'prefixlen' set to 0

Last Modified: Jul 15, 2026

Affected Product(s):
BIG_IP_NEXT(BNK) BNK(all modules)

Fixed In:
2.1.0

Opened: Oct 16, 2024

Severity: 3-Major

Symptoms

When a F5BigNetStaticroute CR is configured with a 'prefixLen' set to '0', the next hop of the default route in TMM is incorrectly modified.

Impact

Traffic may be impacted for routes that are incorrectly updated.

Conditions

F5BigNetStaticroute CR configured with a 'prefixLen' set to '0

Workaround

Avoid configuring the 'prefixLen' as '0' when using the F5BigNetStaticroute CR.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips