Bug ID 614366: All L2 multicast traffic goes to TMM0 on i2x00 andi4x00 platforms regardless of VLAN

Last Modified: Apr 10, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP All(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1

Opened: Sep 02, 2016
Severity: 2-Critical

Symptoms

All layer-2 multicast traffic (Broadcast ARPs, STP, etc.) is sent to TMM0 even if the packet arrives from an unknown VLAN.

Impact

Possible performance impact if too much of this traffic is present.

Conditions

Traffic from unconfigured VLANs arrives on an interface.

Workaround

None.

Fix Information

None

Behavior Change