Brocade FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide - Manual (Page 76)

In this example, two nodes are each configured with two MRP rings. Any node in a ring can be the
master for its ring. A node also can be the master for more than one ring.
MRP rings with shared interfaces (MRP Phase 2)
With MRP Phase 2, MRP rings can be configured to share the same interfaces as long as the
interfaces belong to the same VLAN.
Figure 3 shows examples of multiple MRP rings that share the
same interface.
FIGURE 3 Examples of multiple rings sharing the same interface - MRP Phase 2
On each node that will participate in the ring, you specify the ring ID and the interfaces that will be
used for ring traffic. In a multiple ring configuration, a ring ID determines its priority. The lower the ring
ID, the higher priority of a ring.
A ring ID is also used to identify the interfaces that belong to a ring.
MRP rings with shared interfaces (MRP Phase 2)
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