Users Guide

noncontrol traffic belonging to this FRRP group, thereby avoiding a loop in the ring, like STP. Layer 2
switching and learning mechanisms operate per existing standards on this ring.
Each Transit node is also configured with a Primary port and a Secondary port on the ring, but the port
distinction is ignored as long as the node is configured as a Transit node. If the ring is complete, the Master
node logically blocks all data traffic in the transmit and receive directions on the Secondary port to prevent a
loop. If the Master node detects a break in the ring, it unblocks its Secondary port and allows data traffic to be
Force10 Resilient Ring Protocol (FRRP) 422