FD 100/320Gbps NT and FX NT IHub Services Guide Services Overview
Issue: 13 3HH-11985-AAAA-TQZZA 95
3.17.5.3 ccm-hold-time
Table 35 ccm-hold-time command
3.17.5.4 guard-time
Description Configures the Wait-To-Restore (WTR) Timer.
RPL owner uses the WTR delay timer before initiating an RPL block in case of revertive mode
of operation.
WTR timer is used to prevent frequent redundancy transactions as result of an intermittent
signal failure defects.
The no form of this command makes the WTR timer to take a default value – 300 seconds or
5 minutes.
Parameters time in seconds
Values: 60...720
Default: 300
Item Description
(2 of 2)
Item Description
Syntax ccm-hold-time { [down down-timeout] [up up-timeout] }
Context configure>eth-ring
Description This command allows a sub second CCM enabled MEP to delay a transition to a failed state
if a configured remote CCM peer has timed out. The MEP will remain in the UP state for 3.5
times CCM interval + downdelay.
Parameters down down-timeout - Specifies the time, in centiseconds, used for the hold-timer for
associated Continuity Check (CC) Session down event dampening. This guards against
reporting excessive member operational state transitions. This is implemented by not
advertising subsequent transitions of the CC state to the Ethernet ring Group until the
configured timer has expired.
Values: 0...5000
Default: 0
up up-timeout - Specifies the time, in deciseconds, used for the hold-timer for associated
Continuity Check (CC) Session up event dampening. This guards against reporting excessive
member operational state transitions. This is implemented by not advertising subsequent
transitions of the CC state to the Ethernet ring Group until the configured timer has expired.
Values: 0...5000
Default: 20
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