HPE FlexNetwork HSR6800 series Configuration Manual page 82

Figure 18 Schematic diagram for a single-ring network
Tangent rings
As shown in
exists between rings. You must define an RRPP domain for each ring.
Figure 19 Schematic diagram for a tangent-ring network
Intersecting rings
As shown in
between rings. You only need to define an RRPP domain, and configure one ring as the primary ring
and the other rings as subrings.
Figure 19, two or more rings exist in the network topology and only one common node
Figure 20, two or more rings exist in the network topology and two common nodes exist
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