Bug ID 501418: OSPF: Multiple ECMP default routes not distributed to TMM

Last Modified: Jul 18, 2026

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

Known Affected Versions:
11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Fixed In:
12.0.0

Opened: Jan 16, 2015

Severity: 3-Major

Related Article: K17534

Symptoms

TMM route table does not use both ECMP routes for the default route.

Impact

Does not use both equal-cost routes to route traffic.

Conditions

When using ECMP and OSPF.

Workaround

None.

Fix Information

OSPF: Multiple ECMP default routes are now distributed to TMM.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips