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Configuring Line Module Redundancy
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Managing Line Module Redundancy
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Copyright © 2010, Juniper Networks, Inc.
you can configure it to do so. (See "Configuring Line Module Redundancy" on page 13.)
Before reversion can take place, the primary line module must complete the POST
diagnostics.
Understanding Automatic Switchover on page 12
Line Module Redundancy Overview on page 9
By default, when the primary line module fails, the router automatically switches to the
spare line module. Because the router is using the spare line module, no redundancy is
available. The router must revert to the primary line module as soon as possible. The
router does not automatically revert to the primary line module. To modify the default
redundancy operations on the router, perform the following tasks:
Disable automatic switchover on a slot.
host1(config)#redundancy lockout 5
Enable automatic reversion after switchover.
host1(config)#redundancy revertive 23:00:00
Line Module Redundancy Overview on page 9
Line Module Redundancy Requirements on page 10
Managing Line Module Redundancy on page 13
redundancy lockout
redundancy revertive
When the router is running and a redundancy group is installed, to manage stateless
switchover redundancy, you must perform the following tasks:
Force switchover manually.
host1#redundancy force-switchover 5
Force reversion manually.
host1#redundancy revert 4 23:00:00 5 September 200X
Line Module Redundancy Overview on page 9
Line Module Redundancy Requirements on page 10
Configuring Line Module Redundancy on page 13
Stateful Line Module Switchover Overview on page 68
Stateful Line Module Switchover Modes on page 83
Chapter 2: Managing Module Redundancy
13
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