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Summit 200 Series Switch Installation and User Guide 143
11 Ethernet Automatic Protection Switching
This chapter describes the use of the Ethernet Automatic Protection Switching (EAPS
™
) protocol, and
includes information on the following topics:
• Overview of the EAPS Protocol on page 143
• Summit 200 Series Switches in Multi-ring Topologies on page 147
• Commands for Configuring and Monitoring EAPS on page 148
Overview of the EAPS Protocol
The EAPS protocol provides fast protection switching to Layer 2 switches interconnected in an Ethernet
ring topology, such as a Metropolitan Area Network (MAN) or large campuses (see Figure 25).
Figure 25: Gigabit Ethernet fiber EAPS MAN ring
EW_07
0
Gigabit Ethernet Fiber
EAPS MAN ring
Master
node
Transit
node
Transit
node
Transit
node
Transit
node