6-27
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
This example shows how to initiate an ISSU upgrade process using the issu changeversion command on
slot number 5, the slot for the current active supervisor engine. The show issu state detail and show
redundancy command output is included to show the supervisor state before and after the upgrade
procedure.
Note The success messages included in the output below is displayed after some delay because the ISSU
upgrade procedure progresses through the ISSU states.
Switch> enable
Switch# show issu state detail
Slot = 5
RP State = Active
ISSU State = Init
Operating Mode = Stateful Switchover
Current Image = bootflash:x.bin
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:x.bin
Pre-ISSU (Original) Image = N/A
Post-ISSU (Targeted) Image = N/A
Switch# show redundancy
Redundant System Information :
------------------------------
Available system uptime = 12 minutes
Switchovers system experienced = 0
Standby failures = 0
Last switchover reason = none
Hardware Mode = Duplex
Configured Redundancy Mode = Stateful Switchover
Operating Redundancy Mode = Stateful Switchover
Maintenance Mode = Disabled
Communications = Up
Current Processor Information :
------------------------------
Active Location = slot 5
Current Software state = ACTIVE
Uptime in current state = 9 minutes
Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3
Switch Software (cat4500e-UNIVERSALK9-M), Version 03.00.00.1.68 CISCO UNIVERSAL
DEVELOPMENT K10 IOSD TEST VERSION
Copyright (c) 1986-2010 by Cisco Systems, Inc.
Compiled Sun 29-Aug-10 03:57 by gsbuprod
Configuration register = 0x2920
Peer Processor Information :
------------------------------
Standby Location = slot 6
Current Software state = STANDBY HOT
Uptime in current state = 2 minutes
Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3
Switch Software (cat4500e-UNIVERSALK9-M), Version 03.00.00.1.68 CISCO UNIVERSAL
DEVELOPMENT K10 IOSD TEST VERSION
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