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JUNOSe 11.1.x Physical Layer Configuration Guide
156
Monitoring Interfaces
alarms used for operational status calculation Types of defects that the
router uses to determine the operational status of the interface at the section
and line layers
defect trigger soaking delay Time that the router waits to set an alarm
when the router records a defect at the section or line layer
Operational Status Physical state of the interface:
up Interface is operational
down, failure alarm Interface is not operational; type of defect that
caused failure is specified
time since last status change Time since the line module was rebooted
Loopback State Type of loopback configured at this layer in the interface,
or none
Last Remote Loopback Request Sent
BERT test Number of current test and total number of tests
Test interval Length of the BERT test
status Sync (controller is synchronized with remote device) or NoSync
(controller is not synchronized with remote device
Sync count Number of times the pattern detector synchronized with
the incoming data pattern
Received bit count Number of bits received
Error bit count Number of bits with errors
Mode Type of interface: SONET or SDH
Timing source Type of clock source configured for the channel:
internal module Internal clock is from the line module itself
chassis Internal clock is from the configured router clock
Current section alarms Number of suspect bit patterns found in several
consecutive frames in section layer, or none
Current line alarms Number of suspect bit patterns found in several
consecutive frames in line layer
Channel configuration Parameters for specific controllers; the actual
parameters depend on the controller.
ifAdminStatus State of the controller in the software configuration: up or
down
ifOperStatus Physical state of the controller: up or down
Time since last status change Time the controller has been up or down
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