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Software Configuration Guide—Release 15(02)SG
OL-23818-01
Chapter 5 Configuring the Cisco IOS In-Service Software Upgrade Process
Performing the ISSU Process
Maintenance Mode = Disabled
Manual Swact = enabled
Communications = Up
client count = 39
client_notification_TMR = 240000 milliseconds
keep_alive TMR = 9000 milliseconds
keep_alive count = 0
keep_alive threshold = 18
RF debug mask = 0x0
Switch# show redundancy
Redundant System Information :
------------------------------
Available system uptime = 1 minute
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 1
Current Software state = ACTIVE
Uptime in current state = 0 minutes
Image Version = Cisco IOS Software, Catalyst 4500 L3 Switch Software
(cat4500-ENTSERVICES-M), Version 12.2(31)SGA, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Tue 05-Sep-06 16:16 by sanjdas
BOOT = bootflash:old_image,1;
Configuration register = 0x822
Peer Processor Information :
----------------------------
Standby Location = slot 2
Current Software state = STANDBY HOT
Uptime in current state = 1 minute
Image Version = Cisco IOS Software, Catalyst 4500 L3 Switch Software
(cat4500-ENTSERVICES-M), Version 12.2(31)SGA, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Tue 05-Sep-06 16:16 by sanjdas
BOOT = bootflash:old_image,1;
Configuration register = 0x822
Verifying the ISSU State Before Beginning the ISSU Process
Ensure that the active and standby supervisor engines are up and in ISSU Init state and that the boot
variables are set and pointing to valid files.
The following example displays the ISSU state before the process begins:
Switch# show issu state detail
Slot = 1
RP State = Active