3-8
Figure 3-4 Schematic diagram for an intersecting-ring network
Dual homed rings
As shown in Figure 3-5, there are two or more rings in the network topology and two similar common
nodes between rings. In this case, you only need to define an RRPP domain, and configure one ring as
the primary ring and the other rings as subrings.
Figure 3-5 Schematic diagram for a dual-homed-ring network
Single-ring load balancing
In a single-ring network, you can achieve load balancing by configuring multiple domains.
As shown in
Figure 3-6, Ring 1 is configured as the primary ring of both Domain 1 and Domain 2.
Domain 1 and Domain 2 are configured with different protected VLANs. In Domain 1, Device A is
configured as the master node of Ring 1; in Domain 2, Device B is configured as the master node of
Ring 1. Such configurations enable the ring to block different links based on VLANs. Thus, single-ring
load balancing is achieved.
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