Table 87: QFX3500 Chassis Alarm Messages
Recommended ActionCLI MessageAlarm TypeComponent
Replace the Control Board and report the
failure to customer support
CB slot-number Not onlineMajor (red)Control Board and
Routing Engine
NOTE: TheRouting
Engine is located on
the Control Board
No action is required if the backup
Routing Engine was intentionally made
active.
If the master Routing Engine failed,
replace it.
Backup RE Active
Replace the failed Control Board.Loss of communication with Backup RE
Both Routing Engines must be the same
model number.
Replace one of the Control Boards.
Mixed Master and Backup RE types
Indicates the chassis was powered on
with both Control Boards installed, but
one has been removed. The chassis can
continue to operate without the Control
Board, but airflow can be affected by the
empty slot. Replace the missing Control
Board as soon as possible.
CB slot-number RemovedMinor (yellow)
439Copyright © 2012, Juniper Networks, Inc.
Chapter 35: Alarms and System Log Messages
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