Postado originalmente por
sergio
Não é bem cluster, mas...
VRRP
Virtual Router Redundancy Protocol (VRRP) implementation in the MikroTik RouterOS is RFC2338 compliant. VRRP protocol is used to ensure constant access to some resources. Two or more routers (referred as VRRP Routers in this context) create a highly available cluster (also referred as Virtual routers) with dynamic fail over. Each router can participate in not more than 255 virtual routers per interface. Many modern routers support this protocol.
Network setups with VRRP clusters provide high availability for routers without using clumsy ping-based scripts.
http://www.mikrotik.com/testdocs/ros/2.9/ip/vrrp.php