Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 16)

Software Reference for x310 Series Switches
xvi AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
Part 6: Network Availability
Chapter 57: EPSR Introduction and Configuration
Introduction.................................................................................................................................................................... 57.2
Ring Components and Operation .......................................................................................................................... 57.2
Fault Detection and Recovery.................................................................................................................................. 57.4
Fault Recovery ........................................................................................................................................................ 57.4
Restoring Normal Operation ............................................................................................................................. 57.5
Managing Rings with Two Breaks.................................................................................................................... 57.6
Recovery When One Break is Restored .......................................................................................................... 57.8
Configuration Examples...........................................................................................................................................57.10
Single Domain, Single Ring Network............................................................................................................57.10
Single Ring, Dual Domain Network...............................................................................................................57.15
Interconnected Rings................................................................................................................................................57.16
Superloop Protection.........................................................................................................................................57.17
EPSR Superloop Prevention .............................................................................................................................57.18
Configuring a Basic Superloop Protected Two Ring EPSR Network..................................................57.21
Sample Show Output .........................................................................................................................................57.36
Adding a new data VLAN to a functioning superloop topology........................................................57.39
EPSR and Spanning Tree Operation..............................................................................................................57.42
Chapter 58: EPSR Commands
Command List................................................................................................................................................................ 58.2