Bug ID 663521: Intermittent dropping of multicast packets on certain BIG-IP platforms

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3

Fixed In:
13.1.0, 13.0.1, 12.1.3

Opened: May 08, 2017

Severity: 3-Major


The switch device on the VIPRION B2250 and B4300 blades and the BIG-IP 10x00, i10x00, i7x00 and i5x00 platforms might drop multicast packets under certain high traffic conditions.


Dropped multicast packets, possibly impacting multicast protocols.


-- Certain high-traffic conditions. -- Running on the specified blades/platforms. Note: These dropped packets are counted under the 'drop_out' column from 'show net interface all-properties'.



Fix Information


Behavior Change

Under certain high traffic conditions, multicast and broadcast packets will no longer be dropped.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips