Bug ID 881041: BIG-IP system may forward IP broadcast packets back to the incoming VLAN interface via a forwarding virtual server.

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,,,,, 14.1.5,,

Opened: Feb 14, 2020
Severity: 3-Major


Some received packets are retransmitted back on the incoming VLAN interface.


Broadcast packets are forwarded back to the incoming VLAN interface might result in loops if there are multiple gateways on the network.


The symptom is found with the following conditions: 1. A forwarding virtual server is configured. 2. A packet is received whose destination MAC address is its unicast VLAN MAC address and the destination IP address is the broadcast address of that subnet.



Fix Information


Behavior Change