CLI Reference Guide-R02

Chapter 19 | ERPS Commands
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wtr-timer This command sets the wait-to-restore timer which is used to verify that the ring
has stabilized before blocking the RPL after recovery from a signal failure. Use the
no form to restore the default setting.
Syntax
wtr-timer minutes
no wtr-timer
minutes - The wait-to-restore timer is used to verify that the ring has
stabilized before blocking the RPL after recovery from a signal failure.
(Range: 1-12 minutes)
Default Setting
5 minutes
Command Mode
ERPS Instance Configuration
Command Usage
If the switch goes into ring protection state due to a signal failure, after the failure
condition is cleared, the RPL owner will start the wait-to-restore timer and wait until
it expires to verify that the ring has stabilized before blocking the RPL and returning
to the Idle (normal operating) state.
Example
Console(config-erps-inst)#wtr-timer 10
Console(config-erps-inst)#
guard-timer This command sets the guard timer to prevent ring nodes from receiving outdated
R-APS messages. Use the no form to restore the default setting.
Syntax
guard-timer milliseconds
no guard-timer
milliseconds - The guard timer is used to prevent ring nodes from receiving
outdated R-APS messages. During the duration of the guard timer, all
received R-APS messages are ignored by the ring protection control
process, giving time for old messages still circulating on the ring to expire.
(Range: 10-2000 milliseconds, in steps of 10 milliseconds)
Default Setting
500 milliseconds
Command Mode
ERPS Instance Configuration