H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – RRPP
H3C S7500E Series Ethernet Switches Chapter 1 RRPP Configuration
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III. Single-domain intersecting rings
Figure 1-4 Single-domain intersecting rings
There are two or more rings in the network topology and two common nodes between
rings. In this case, you only need to define an RRPP domain, and set one ring as the
primary ring and other rings as subrings.
IV. Dual homed rings
Device A
Device B
Device C
Device D
Device E
Edge node
Master node
Transit node
Assistant edge node
Domain 1
Ring 1
Ring 2
Master node
Device F
Master node
Ring 3
Figure 1-5 Dual homed rings
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 set one ring
as the primary ring and other rings as subrings.