6-20
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
OL-25340-01
Chapter 6 Configuring the Cisco IOS XE In Service Software Upgrade Process
How to Perform the ISSU Process
Current Image = bootflash:new_image
Pre-ISSU (Original) Image = bootflash:old_image
Post-ISSU (Targeted) Image = bootflash:new_image
Switch# show redundancy states
my state = 13 -ACTIVE
peer state = 8 -STANDBY HOT
Mode = Duplex
Unit = Primary
Unit ID = 5
Redundancy Mode (Operational) = Stateful Switchover
Redundancy Mode (Configured) = Stateful Switchover
Redundancy State = Stateful Switchover
Manual Swact = enabled
Communications = Up
client count = 64
client_notification_TMR = 240000 milliseconds
keep_alive TMR = 9000 milliseconds
keep_alive count = 1
keep_alive threshold = 18
RF debug mask = 0
The following example shows how the forced option places the system in RPR mode:
Switch> enable
Switch# issu loadversion 5 bootflash:new_image 6 slavebootflash:new_image forced
%issu loadversion executed successfully, Standby is being reloaded
Switch# show issu state detail
Slot = 5
RP State = Active
ISSU State = Init
Operating Mode = Stateful Switchover
Current Image = bootflash:old_image
Pre-ISSU (Original) Image = N/A
Post-ISSU (Targeted) Image = N/A
Slot = 6
RP State = Standby
ISSU State = Init
Operating Mode = Stateful Switchover
Current Image = bootflash:old_image
Pre-ISSU (Original) Image = N/A
Post-ISSU (Targeted) Image = N/A
The following example shows the redundancy mode as RPR:
Switch# show redundancy states
my state = 13 -ACTIVE
peer state = 4 -STANDBY COLD
Mode = Duplex
Unit = Primary
Unit ID = 3
Redundancy Mode (Operational) = RPR
Redundancy Mode (Configured) = Stateful Switchover
Redundancy State = RPR
Manual Swact = enabled
Communications = Up
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