Local Loopback Disable allows users to force the disablement of local loopback on the virtual port (vport). This disables both unicast and multicast loopback in the hardware.
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To enable Local Loopback Disable, run:
echo 1 > /sys/class/net/<ifname>/settings/force_local_lb_disable"
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To disable Local Loopback Disable, run:
echo 0 > /sys/class/net/<ifname>/settings/force_local_lb_disable"
When turned off, the driver configures the loopback mode according to its own logic.
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