Bug ID 670258: Multicast pings not forwarded by TMM

Last Modified: Apr 19, 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, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:

Opened: Jun 21, 2017
Severity: 3-Major


When multicast routing is configured, ICMP or ICMP6 pings are not forwarded by TMM even though UDP and other protocol traffic to the same group addresses works.


Multicast group addresses cannot be reached with ICMP or ICMP6 echo requests.


Multicast routing configured, VIP configured to forward ICMP traffic.



Fix Information

TMM no longer drops ping requests to multicast group addresses that should be forwarded.

Behavior Change