MC-LAG Packet Flow Configuring Multi-chassis Link Aggregation
page 8-20 OmniSwitch AOS Release 7 Network Configuration Guide March 2011
• A loop/duplicate packet prevention mechanism is implemented so that non-unicast frames received on
the Virtual Fabric Link are not flooded out any local MC-LAG ports.
• Downstream traffic always prefers the local MC-LAG ports, if these are available.