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Copyright © 2010, Juniper Networks, Inc.
alarms used for operational status calculation—Types of defects that the router
uses to determine the operational status of the interface at the path layer
defect trigger soaking delay—Time that the router waits to set an alarm when the
router records a defect at the path layer
c2 byte—Setting of path signal byte: set by upper interface type (automatic setting)
or configured value
Operational Status—Physical state of this layer: up, down, or lowerLayerDown
time since last status change—Time since the line module was rebooted
Framing—Type of framing configured for the controller:
c-bit parity framing (for T3 interfaces)
M23 multiplexer framing (for T3 interfaces)
crc4—Cyclic redundancy check (for E1 interfaces)
no-crc4—No cyclic redundancy check (for E1 interfaces)
esf—Extended superframe (for T1 interfaces)
sf—Superframe (for T1 interfaces)
Line Code—Type of line coding the router assigned to the controller: B8ZS or AMI
Clock source—Type of clock source configured for the channel:
module—Internal clock is from the line module itself
chassis—Internal clock is from the configured router clock
J1 transmit trace message—Trace message sent to the remote device
J1 expected trace message—Trace message expected from the remote device
J1 received trace message—Trace message received from the remote device
Example 1
host1#show controllers sonet 3/0 configuration
oc12 3/0
non channelized
ifAdminStatus: up
description: link1
snmp trap link-status: enabled
alarms used for operational status calculation: LOS LOF AIS RDI
defect trigger soaking delay: 2500 milliseconds
Operational Status: up
time since last status change: 00:03:30
Loopback State: none
Mode: sonet
Timing source: internal module
Receive FIFO Overruns: 0, Reconfigurations: 0
Chapter 4: Configuring Channelized OCx/STMx Interfaces
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