Juniper Networks JUNOS OS 10.4 - Manual (Page 201)

Note that the failed interface ( ge-1/0/2.1 ) is not forwarding. Router 3 will see almost
identical information.
user@router2> show protection-group ethernet-ring node-state
Ethernet ring APS State Event Ring Protection Link Owner
pg102 idle NR-RB No
Restore Timer Quard Timer Operation state
disabled disabled operational
Note that Router 2 is not the owner. Router 3 will see almost identical information.
user@router2> show protection-group ethernet-ring statistics group-name pg102
Ethernet Ring statistics for PG pg102
RAPS sent : 1
RAPS received : 1
Local SF happened: : 1
Remote SF happened: : 0
NR event happened: : 0
NR-RB event happened: : 1
Note that the R-APS messages have recorded the remote failure. Router 3 will see almost
identical information.
Related
Documentation
• Ethernet OAM
• Ethernet Ring Protection on page 151
• Example: Configuring Ethernet Ring Protection for MX Series Routers on page 154
• Example: Viewing Ethernet Ring Protection Status—Normal Ring Operation on page 177
181 Copyright © 2013, Juniper Networks, Inc.
Chapter 13: Ethernet Ring Protection