bridge-utils

   link   - Bridge port.

   fdb    - Forwarding Database entry.

   mdb    - Multicast group database entry.

   vlan   - VLAN filter list.

fdb

• Contain known MAC addresses on a link

Find fdb entry of the specified mac addrs

• brctl findmac $client_mac

• We can move ip address from interface to bridge interface for connecting all the interface under bridge

  $(brctl addbr $br)
  $(brctl ifconfig $interface 0)
  $(brctl addif $br $interface)
  $(ip addr add $ip/$netmask $br)