H3C S9500 Series Operation Manual page 256

Operation Manual – RRPP
H3C S9500 Series Routing Switches
I. Single ring
Figure 1-2 Single ring
There is only one ring in the network topology. In this case, you are required to
configure only one RRPP domain.
II. Tangent rings
Master node
Domain 1
Figure 1-3 Tangent rings
The network comprises two or more rings and any two rings have only one common
node. For each ring, you are required to define an independent RRPP domain.
Domain 1
Device A
Master node
Transit node
Device D
Transit node
Device A
Ring 1
Device D
Transit node
Device B
Transit node
Ring 1
Transit node
Device C
Master node
Ring 2
Device B
Device C
Transit node
1-6
Chapter 1 RRPP Configuration
Device E
Domain 2
Device F
Transit node