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packets frequently. If more subrings are configured or if load balancing is configured for multiple
domains, Device B and Device C will send or receive a mass of Edge-Hello packets.
To reduce Edge-Hello traffic, you can assign Ring 2 and Ring 3 to an RRPP ring group configured on the
edge node Device B and assign Ring 2 and Ring 3 to an RRPP ring group configured on Device C. After
such configurations, if all rings are activated, only Ring 2 on Device B sends Edge-Hello packets.
Typical RRPP networking
Here are several typical networking applications.
Single ring
As shown in Figure 12, only a single ring exists in the network topology. You only need to define an RRPP
domain.
Figure 12 Schematic diagram for a single-ring network
Tangent rings
As shown in Figure 13, two or more rings are in the network topology and only one common node exists
between rings. You must define an RRPP domain for each ring.
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