EF_MCAST_SEND

Name

mcast_send

Default

0

Minimum

0

Maximum

3

Scope

per-stack

Controls loopback of multicast traffic to receivers in the same and other Onload stacks.

• When set to 0 (default) disables loopback within the same stack as well as to other Onload stacks.
• When set to 1 enables loopback to the same stack.
• When set to 2 enables loopback to other Onload stacks.
• When set to 3 enables loopback to the same as well as other Onload stacks.

In respect to loopback to other Onload stacks the options is just a hint and the feature requires all the following:

• 8000-series or newer device
• selecting firmware variant with loopback support.