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RRPP CONFIGURATION
When configuring RRPP, go to these sections for information you are interested in:
■ “RRPP Overview” on page 1139
■ “RRPP Configuration Task List” on page 1146
■ “Configuring Master Node” on page 1147
■ “Configuring Transit Node” on page 1148
■ “Configuring Edge Node” on page 1149
■ “Configuring Assistant Edge Node” on page 1151
■ “Displaying and Maintaining RRPP” on page 1152
■ “RRPP Typical Configuration Examples” on page 1152
RRPP Overview Rapid Ring Protection Protocol (RRPP) is an Ethernet ring-specific link layer
protocol. It can not only prevent data loop from causing broadcast storm
efficiently when the Ethernet ring is complete, but also restore communication
channels among nodes on the Ethernet ring rapidly when a link is torn down.
Compared with Spanning Tree Protocol (STP), RRPP features:
■ Expedited topology convergence
■ Independent of the number of nodes on the Ethernet ring
Basic Concepts in RRPP
Figure 343 RRPP networking diagram
Port 1
Port 2
Port 1
Port 2
Port 1
Port 2
Port 1
Port 2
Port 3
Port 3
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
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