Bug ID 1324709: Multicast packets do not make it into tenant due to failure in setting promiscuous mode in platform

Last Modified: Apr 19, 2025

Affected Product(s):
F5OS Velos(all modules)

Known Affected Versions:
F5OS-A 1.5.0, F5OS-A 1.5.1, F5OS-A 1.5.2, F5OS-A 1.5.3

Opened: Jul 25, 2023

Severity: 3-Major

Symptoms

On r4k and r2k platforms, multicast packets does not reach to tenant due to failure in setting promiscuous mode in platform.

Impact

Multicast packets will fail to reach tenant.

Conditions

Promiscuous-mode is 'off' for the nic interfaces. 1. On 8*10G system port-profile mode : [root@appliance-1:Active] ~ # for iface in x557_1 x557_2 x557_3 x557_4 sfp_5 sfp_6 sfp_7 sfp_8; do > ethtool --show-priv-flags "$iface" | grep vf-true-promisc-support > done vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off 2. On 4*25G system port-profile mode: [root@appliance-1:Active] ~ # for iface in sfp_5 sfp_6 sfp_7 sfp_8; do > ethtool --show-priv-flags "$iface" | grep vf-true-promisc-support > done vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off 3. On 2x25G+4x10G port-profile mode [root@appliance-1:Active] ~ # for iface in x557_1 x557_2 x557_3 x557_4 sfp_5 sfp_6; do > ethtool --show-priv-flags "$iface" | grep vf-true-promisc-support > done vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off vf-true-promisc-support : off

Workaround

1. On 8*10G system: for iface in x557_1 x557_2 x557_3 x557_4 sfp_5 sfp_6 sfp_7 sfp_8; do ethtool --set-priv-flags "$iface" vf-true-promisc-support on done 2. On 4*25G: for iface in sfp_5 sfp_6 sfp_7 sfp_8; do ethtool --set-priv-flags "$iface" vf-true-promisc-support on done 3. On 2x25G+4x10G port-profile mode for iface in x557_1 x557_2 x557_3 x557_4 sfp_5 sfp_6; do ethtool --set-priv-flags "$iface" vf-true-promisc-support on done

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips