Cisco Catalyst 4500 Series Software Configuration Manual page 304

In-Service Software Upgrade (ISSU) on a VSS
bootflash:cat4500e-universal.SSA.03.03.00.SGN1.34.151-2.SGN1.34.bin
bootflash:cat4500e-universal.SSA.03.03.00.SGN1.34.151-2.SGN1.34.bin
Switch# show redundancy states
Redundancy Mode (Operational) = Stateful Switchover
Redundancy Mode (Configured) = Stateful Switchover
Communications = Up
client count = 74
client_notification_TMR = 240000 milliseconds
Switch# show redundancy
Redundant System Information :
------------------------------
Switchovers system experienced = 3
Configured Redundancy Mode = Stateful Switchover
Operating Redundancy Mode = Stateful Switchover
Current Processor Information :
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Switch Software (cat4500e-UNIVERSAL-M), Version 03.03.00.SGN1.34 CISCO INTERNAL USE ONLY
UNIVERSAL PRODUCTION K10 IOSD VERSION , synced to END_OF_FLO_ISP
Copyright (c) 1986-2012 by Cisco Systems, Inc.
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
5-78
RP State = Active
ISSU State = Init
Operating Mode = Stateful Switchover
Current Image =
Pre-ISSU (Original) Image = N/A
Post-ISSU (Targeted) Image = N/A
RP State = Standby
ISSU State = Init
Operating Mode = Stateful Switchover
Current Image =
Pre-ISSU (Original) Image = N/A
Post-ISSU (Targeted) Image = N/A
my state = 13 -ACTIVE
peer state = 8 -STANDBY HOT
Mode = Duplex
Unit = Primary
Unit ID = 11
Redundancy State = Stateful Switchover
Manual Swact = enabled
keep_alive TMR = 9000 milliseconds
keep_alive count = 0
keep_alive threshold = 18
RF debug mask = 0
Available system uptime = 4 hours, 16 minutes
Standby failures = 1
Last switchover reason = active unit removed
Hardware Mode = Duplex
Maintenance Mode = Disabled
Communications = Up
Active Location = slot 2/1
Current Software state = ACTIVE
Uptime in current state = 21 minutes
Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3
Chapter 5
Slot = 11
Slot = 1
Configuring Virtual Switching Systems