Bug ID 530769: F5 SFP+ module becomes unpopulated after mcpd is restarted in a clustered environment.

Last Modified: Jul 18, 2026

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

Known Affected Versions:
11.5.3, 11.5.3 hf1, 11.5.3 hf2, 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

Opened: Jun 30, 2015

Severity: 2-Critical

Symptoms

When MCPD restarts on one of the B2100 blades, trunk interfaces on the blade are not coming up.

Impact

TMM will not process traffic on the blade where mcpd restarted.

Conditions

MCPD restarts in a clustered environment (chassis).

Workaround

Restart tmm (bigstart restart tmm) on the blade that shows the interface down.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips