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Interoperation of Redundancy and Stateful Switchover for Line Modules
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Copyright © 2010, Juniper Networks, Inc.
Verify the redundancy status of the line module.
3.
host1#show redundancy line-card
automatic reverting is off
hardware
slot
role
----
--------
0
spare
2
primary
12
---
midplane
slots
type
-----
--------
0 - 5
6
Line module redundancy and stateful line module switchover cannot coexist and are
mutually exclusive processes. Only one of the two operations—line module redundancy
or stateful line module switchover—can be enabled on a router at a point of time. You
cannot configure line modules installed in a redundancy group to operate in HA mode.
If a line module is a member of a redundancy group, you cannot configure that line module
for stateful switchover using the mode high-availability slot command in Redundancy
Configuration mode. Similarly, if a line module is configured for high availability, it cannot
be installed in a redundancy group. If you attempt to add a line module configured in a
redundancy group to the stateful switchover pair using the mode high-availability slot
command, the particular line module is removed from the redundancy group and is added
to the high availability pair. High availability configuration for a line module takes
precedence over its redundancy group setting.
Stateful Line Module Switchover Overview on page 68
mode
line-card switch
show redundancy line-card
show redundancy history
Chapter 2: Managing Module Redundancy
backed
up
sparing
lockout
by
for
config
slot
slot
---------
------
-------
---
---
protected
0
---
---
---
---
midplane
rev
--------
0
revert
at
------
2
---
---
---
15
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