Ot And Et Interface Alarms And Defects; Table 36: Ot Interface Alarms And Defects - Juniper QFX10016 Hardware Manual

FEC Messages

OT and ET Interface Alarms and Defects

Table 36: OT Interface Alarms and Defects

Category Alarm
OTN Network lane LOS
Network lane LOF
Network lane LOM
Network lane OTU-BDI
OTN FEC FEC degrade (OTU-FEC-DEG)
FEC excessive (OTU-FEC-EXE)
Copyright © 2017, Juniper Networks, Inc.
TIP: You can view network lane receive-related status by using the
interfaces transport pm optics
FEC statistics:
Corrected Errors—The number of bits received that were in error, but corrected.
Uncorrected Words—The number of FEC codewords received that were not correctable.
Corrected Error Ratio—The number of corrected bits divided by the number of bits
received.
TIP: You can view FEC statistics by using the
operational-mode CLI command.
extensive
Table 36 on page 83 and Table 37 on page 84
that can occur on the line card and the link status when the alarm or defect occurs.
TIP: You can view OT and ET alarms and defects by using the
interface-name extensive
Description
Loss of signal
Loss of frame
Loss of multiframe
Backward defect identification
Forward error correction degraded
There are uncorrected words and there
are errors in the frame header
Chapter 7: Line Card Components and Descriptions
operational-mode CLI command.
show interfaces interface-name
describe the OT and ET alarms and defects
operational-mode CLI command.
Link Status
Link down
Link down
Link down
Link down
Link down if signal degrade
or backward FRR thresholds
are met
Possible link down
show
show interfaces
83