Chapter 20
| ERPS Commands
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holdoff-timer This command sets the timer to filter out intermittent link faults. Use the no form to
restore the default setting.
Syntax
holdoff-timer milliseconds
milliseconds - The hold-off timer is used to filter out intermittent link faults.
Faults will only be reported to the ring protection mechanism if this timer
expires. (Range: 0-10000 milliseconds, in steps of 100 milliseconds)
Default Setting
0 milliseconds
Command Mode
ERPS Configuration
Command Usage
In order to coordinate timing of protection switches at multiple layers, a hold-off
timer may be required. Its purpose is to allow, for example, a server layer protection
switch to have a chance to fix the problem before switching at a client layer.
When a new defect or more severe defect occurs (new Signal Failure), this event will
not be reported immediately to the protection switching mechanism if the
provisioned hold-off timer value is non-zero. Instead, the hold-off timer will be
started. When the timer expires, whether a defect still exists or not, the timer will be
checked. If one does exist, that defect will be reported to the protection switching
mechanism. The reported defect need not be the same one that started the timer.
Example
Console(config-erps)#holdoff-timer 300
Console(config-erps)#
major-domain This command specifies the ERPS ring used for sending control packets. Use the no
form to remove the current setting.
Syntax
major-domain name
no major-domain
name - Name of the ERPS ring used for sending control packets.
(Range: 1-32 characters)
Default Setting
None
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