Cisco Catalyst 4500 Series Configuration Manual page 233

Chapter 5 Configuring the Cisco IOS In-Service Software Upgrade Process
This example shows how to reset and reload the current standby supervisor engine (slot 1) with the new
Cisco IOS software version. After entering the commitversion command, the standby supervisor engine
boots in the Standby Hot state.
Switch> enable
Switch# issu commitversion 1 slavebootflash:new_image
Wait till standby supervisor is reloaded with the new image. Then apply the following:
Switch# show redundancy states
00:17:12: %RF-5-RF_TERMINAL_STATE: Terminal state reached for (SSO)
Redundancy Mode (Operational) = Stateful Switchover
Redundancy Mode (Configured)
Redundancy State
Maintenance Mode = Disabled
Manual Swact = enabled
Communications = Up
client count = 39
client_notification_TMR = 240000 milliseconds
keep_alive threshold = 18
Switch# show redundancy
Redundant System Information :
------------------------------
Switchovers system experienced = 1
Configured Redundancy Mode = Stateful Switchover
Current Processor Information :
-------------------------------
(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
Peer Processor Information :
----------------------------
OL-25340-01
my state = 13 -ACTIVE
peer state = 8 -STANDBY HOT
Mode = Duplex
Unit = Secondary
Unit ID = 2
keep_alive TMR = 9000 milliseconds
keep_alive count = 0
RF debug mask = 0x0
Available system uptime = 41 minutes
Standby failures = 1
Last switchover reason = user forced
Hardware Mode = Duplex
Operating Redundancy Mode = Stateful Switchover
Maintenance Mode = Disabled
Communications = Up
Active Location = slot 2
Current Software state = ACTIVE
Uptime in current state = 29 minutes
Image Version = Cisco IOS Software, Catalyst 4500 L3 Switch Software
BOOT = bootflash:new_image,12;bootflash:old_image,1;
Configuration register = 0x822
Standby Location = slot 1
Current Software state = STANDBY HOT
Uptime in current state = 12 minutes
= Stateful Switchover
= Stateful Switchover
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
Performing the ISSU Process
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