Ceragon FA4800 - Ceragon Ethernet Ring; Figure 13-1 Ringp

Ceragon Ethernet Ring Chapter 13
FA4800 User Manual Release 1.9.40 13-2
• Ring Protection Message (RPM) - control message used to monitor and control the
ring.
Ceragon Ethernet Ring
The following figure describes the RPL behavior during a ring failure and recovery cycle.
Figure 13-1: Ring Protection mechanism
Note
RPM messages are broadcast, so it is essential (to prevent flooding) to
associate the RPL and member Ring LInks with a VLAN ID. This requires in
turn, that equipment used in the ring either supports VLAN or can
transparently pass through VLAN tagged packets.