Extreme Networks Summit 200-24 - Ethernet Automatic Protection Switching; Overview of the EAPS Protocol

Summit 200 Series Switch Installation and User Guide 129
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 129
• Summit 200 Series Switches in Multi-ring Topologies on page 133
• Commands for Configuring and Monitoring EAPS on page 134
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 24).
Figure 24: Gigabit Ethernet fiber EAPS MAN ring
EW_070
Gigabit Ethernet Fiber
EAPS MAN ring
Master
node
Transit
node
Transit
node
Transit
node
Transit
node