Bug ID 743896: Gratuitous ARP not sent on interface up

Last Modified: Nov 22, 2021

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,,,,,,,, 12.1.4,, 12.1.5,,,, 12.1.6

Opened: Sep 12, 2018
Severity: 3-Major


Gratuitous ARP not seen when an interface comes up: different behavior depending on software version. On BIG-IP software version 11.6.x and on BIG-IP Virtual Edition (VE), version 13.1.x, when interface is UP, after 3 seconds, the BIG-IP system sends GARP out. On version 12.1.2,the BIG-IP system does not send GARP upon interface UP.


No GARP for self-ip addresses on interfaces.


The interface transition from DOWN to UP state.



Fix Information


Behavior Change