Juniper-networks JUNOS OS 10.4 Instrukcja Użytkownika Pobierz pdf (Strona 199)

Interface Control Channel Forward State Ring Protection Link End

ge-1/2/1 ge-1/2/1.1 forwarding No

ge-1/0/2 ge-1/0/2.1 forwarding No

Signal Failure Admin State

Clear IFF ready

Note that both interfaces are 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 : 0

RAPS received : 1

Local SF happened: : 0

Remote SF happened: : 0

NR event happened: : 0

NR-RB event happened: : 1

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—Ring Failure Condition on page 179

Example: Viewing Ethernet Ring Protection Status—Ring Failure Condition

This section assumes that Ethernet ring protection is configuring correctly, that Router

1 is the ring protection link (RPL) owner, and that there is a link failure between Router 2

and Router 3 in the configuration example.

Router 1 Operational

Commands (Ring

Failure Condition)

user@router1> show protection-group ethernet-ring aps

Ethernet Ring Name Request/state No Flush Ring Protection Link Blocked

pg101 SF NO No

Originator Remote Node ID

No 00:01:02:00:00:01

Note that the ring protection link is no longer blocked and the node is no longer marked

as originator.

user@router1> show protection-group ethernet-ring interface

Chapter 13: Ethernet Ring Protection

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Juniper-networks JUNOS OS 10.4 Instrukcja Użytkownika Strona 199