Allied Telesis AT-8600 Release Note page 199

Chapter 1
Ethernet Protection Switching Ring
(EPSR)
Introduction to Ethernet Protection Switching Ring (EPSR) .............................. 1-2
Ring Components and Operation ............................................................ 1-2
Fault Detection and Recovery ......................................................................... 1-4
Fault Recovery Procedure ......................................................................... 1-5
Restoring Normal Operation .................................................................... 1-6
Configuring EPSR ........................................................................................... 1-7
Single Domain, Single Ring Network ........................................................ 1-7
Single Ring, Dual Domain Network .......................................................... 1-9
EPSR and Spanning Tree Operation ........................................................ 1-13
Command Reference ................................................................................... 1-15
add epsr datavlan .................................................................................. 1-16
create epsr ............................................................................................ 1-17
delete epsr datavlan .............................................................................. 1-19
destroy epsr .......................................................................................... 1-20
disable epsr ........................................................................................... 1-21
disable epsr debug ................................................................................ 1-22
enable epsr ........................................................................................... 1-23
enable epsr debug ................................................................................. 1-24
purge epsr ............................................................................................. 1-25
set epsr ................................................................................................. 1-26
set epsr port .......................................................................................... 1-27
show epsr ............................................................................................. 1-28
show epsr counter ................................................................................. 1-31
show epsr debug ................................................................................... 1-33