Cisco ASR 9000 Series Command Reference Guide

proactive revert window
To configure the revert window in which reverting from the Forward Error Correction-Fast Re-Route
(FEC-FRR) route back to the original route is triggered, use the proactive revert window command in DWDM
configuration mode. To remove the revert window, use the no form of this command.
proactive revert window window
no proactive revert window window
Syntax Description
The length of time (in milliseconds) of the window in which reverting from FEC-FRR
may be triggered. The range is 2000 to 100000.
window
Command Default
No default behavior or values
Command Modes
DWDM configuration
Command History
ModificationRelease
This command was introduced.Release 4.0.0
Support for proactive protection was included on these Modular Port
Adaptors(MPAs):
•
A9K-MPA-2X40GE
•
A9K-MPA-1X40GE
Release 4.2.3
Usage Guidelines
The proactive feature is used to trigger Forward Error Correction-Fast Re-Route (FEC-FRR).
The proactive revert window command is supported on the legacy line cards but does not function on
the A9K-8X100GE-SE line cards though it is supported on them.
Note
To see the proactive status, use the show controller dwdm proactive status command.
Task ID
OperationsTask ID
read, writedwdm
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
50
Dense Wavelength Division Multiplexing Commands on the Cisco ASR 9000 Series Router
proactive revert window

Cisco ASR 9000 Series Specifications

General

Series	ASR 9000
Category	Network Router
Modular Design	Yes
Redundancy	Yes (Hardware and Software)
Operating System	Cisco IOS XR
Interfaces/Ports	10G, 40G, 100G, 400G Ethernet
Expansion Slots	Varies by model
Routing Protocol	BGP, OSPF, IS-IS, EIGRP
Management	CLI, SNMP, NETCONF
Power Supply	Redundant
Port Density	Varies by model
Power Supply Options	AC, DC
Memory	Varies by model
Storage	Varies by model
Dimensions	Varies by model
Weight	Varies by model