Cisco Catalyst 4500 Series Software Configuration Manual page 418

How to Perform the ISSU Process
The following example displays verification that the system is in SSO mode, that slot 3 is the active
supervisor engine, and that slot 4 is the standby supervisor engine. Both supervisor engines are running
the same Cisco IOS XE software release.
Switch# show redundancy state
Redundancy Mode (Operational) = Stateful Switchover
Redundancy Mode (Configured) = Stateful Switchover
Communications = Up
client count = 81
client_notification_TMR = 240000 milliseconds
Switch# show redundancy
Redundant System Information :
------------------------------
Switchovers system experienced = 2
Configured Redundancy Mode = Stateful Switchover
Operating Redundancy Mode = Stateful Switchover
Current Processor Information :
------------------------------
Switch
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2016 by Cisco Systems, Inc.
Compiled Wed 12-Oct-16 02:37 by pro
bootflash:cat4500e-universalk9.SPA.03.06.05a.E.152-2.E5a.bin,12;bootflash:cat4500e-univers
alk9.SPA.03.08.03.E.152-4.E3.bin,12;
Peer Processor Information :
------------------------------
Switch
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2016 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
8-20
my state = 13 -ACTIVE
peer state = 8 -STANDBY HOT
Mode = Duplex
Unit = Primary
Unit ID = 5
Redundancy State = Stateful Switchover
Manual Swact = enabled
keep_alive TMR = 9000 milliseconds
keep_alive count = 1
keep_alive threshold = 9
RF debug mask = 0
Available system uptime = 9 hours, 0 minute
Standby failures = 1
Last switchover reason = user_forced
Hardware Mode = Duplex
Maintenance Mode = Disabled
Communications = Up
Active Location = slot 5
Current Software state = ACTIVE
Uptime in current state = 7 hours, 31 minutes
Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3
Software (cat4500e-UNIVERSALK9-M), Version 03.06.05a.E RELEASE SOFTWARE (fc1)
BOOT =
Configuration register = 0x2102
Standby Location = slot 6
Current Software state = STANDBY HOT
Uptime in current state = 6 hours, 39 minutes
Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3
Software (cat4500e-UNIVERSALK9-M), Version 03.06.05a.E RELEASE SOFTWARE (fc1)
Chapter 8 Configuring the Cisco IOS XE In Service Software Upgrade Process