Bug ID 432720: BIG-IP sends out GARPs for a Virtual Address on failover when ARP has been disabled for that virtual address

Last Modified: Feb 13, 2019

Bug Tracker

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

Known Affected Versions:
11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9

Fixed In:
11.6.0, 11.5.2

Opened: Oct 03, 2013
Severity: 3-Major
Related AskF5 Article:
K14786

Symptoms

The BIG-IP will send gratuitous ARPs (GARPs) for a virtual address that has ARP disabled

Impact

Traffic is directed to the node on the network

Conditions

Failover

Workaround

Disable both "ARP" and "ICMP Echo".

Fix Information

The BIG-IP will not send GARPs for a Virtual Address when the ARP has been disabled for that virtual address.

Behavior Change