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1014 | SONET/SDH
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By default, certain alarms (LOS, LOF, LAIS, PLOP) bring the line protocol down immediately. Use this
command, with the
line option, to delay that trigger event by 100ms.
By default, path alarms (AIS, RDI, LOP) do not cause (or trigger) the interface line protocol to go down.
The
delay triggers command, used with the path option, can be used to trigger this action.
SONET Port Recovery Mechanism
This feature automatically clears a condition that could cause a SONET port to hang, and stop sending and
receiving data. When enabled, FTOS continuously polls status registers on SONET line cards. A port hang
is declared when backpressure is detected on the port, and the port is brought down and then back up to
clear the condition.The default detection interval is 60 seconds.
To keep a port in shutdown use the use the
hardware monitor mac action-on-error port-shutdown command.
Task Command Syntax Command Mode
Delay triggering the line or path alarms
with a 100ms delay.
delay triggers {line [lrdi | sd-ber | sf-ber]
| path [pais | prdi]
}
INTERFACE
Note: FTOS does not support configurable thresholds; delay triggers uses a default value of 100 ms.
Task Command Syntax Command Mode
Implement a detection interval to find and
recover hung SONET ports
sonet-port-recover detection-interval
interval (16-500 seconds; default is 60
seconds)
INTERFACE