Juniper-networks JUNOS OS 10.4 User Manual download pdf (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.

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

Chapter 13: Ethernet Ring Protection

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Juniper-networks JUNOS OS 10.4 User Manual Page 201