MAC learning

The VTEP learns MAC addresses by using the following methods:
  • Local MAC learning—The VTEP automatically learns the source MAC addresses of frames sent from the local site. The outgoing interfaces of local MAC address entries are site-facing interfaces on which the MAC addresses are learned.

  • Remote MAC learning—The VTEP uses MP-BGP to advertise local MAC reachability information to remote sites and learn MAC reachability information from remote sites. The outgoing interfaces of MAC address entries advertised from a remote site are VXLAN tunnel interfaces.