3.
Related Topics
Monitoring the Status of the Router During Unified ISSU
Display information about the current status of the router relative to a unified
Purpose
in-service software upgrade and of the upgrade itself.
To display the current unified ISSU state and identify the active and armed releases
Action
in brief:
host1#show issu brief
ISSU state:
ISSU description: ISSU initialize is in-progress, 5% complete
criteria met:
running release:
armed release:
To the information displayed by show issu brief, the show issu command adds a
summary table of unified ISSU verification criteria:
host1# show issu
ISSU state:
ISSU description: ISSU is currently idle
criteria met:
running release:
armed release:
#
--
1
2
3
4
5
6
7
host1(config)#boot system erx_x-y-z.rel
Synchronize the NVS file system of the redundant module with that of the primary
module.
host1#synchronize
The redundant SRP module automatically reboots because the software release
that it is configured to run now differs from the software release it is running.
disable-autosync
boot system
synchronize
Unified ISSU Phases Overview on page 63
Halt of Unified ISSU During Upgrade Phase Overview on page 100
initializing
No, upgrade error(s) found
release1.rel
release2.rel
idle
No, upgrade error(s) found
release1.rel
release2.rel
ISSU Activation Criteria Summary
-----------------------------------------------------
In-Service Software Upgrade ready?
High-Availability ready?
Line modules ready?
Configuration conversion support ready?
CLI sessions ready?
Routing applications ready?
Protocol timers ready?
Monitoring the Status of the Router During Unified ISSU
Chapter 4: Configuring a Unified In-Service Software Upgrade
Met
-----------
Yes
No
Conditional
Yes
Yes
Yes
Yes
101
Need help?
Do you have a question about the SERVICE AVAILABILITY - CONFIGURATION GUIDE V 11.1.X and is the answer not in the manual?