Cisco Catalyst 4500 series Administration Manual page 362

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 states
Redundancy Mode (Operational) = Stateful Switchover
Redundancy Mode (Configured) = Stateful Switchover
Communications = Up
client count = 64
client_notification_TMR = 240000 milliseconds
Switch# show redundancy
Redundant System Information :
------------------------------
Switchovers system experienced = 0
Configured Redundancy Mode = Stateful Switchover
Operating Redundancy Mode = Stateful Switchover
Current Processor Information :
------------------------------
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
Peer Processor Information :
------------------------------
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
Software Configuration Guide—Release IOS XE 3.6.0SG and IOS 15.2(2)SG
7-20
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 = 18
RF debug mask = 0
Available system uptime = 12 minutes
Standby failures = 0
Last switchover reason = none
Hardware Mode = Duplex
Maintenance Mode = Disabled
Communications = Up
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
Configuration register = 0x2920
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
Configuration register = 0x2920
Chapter 7 Configuring the Cisco IOS XE In Service Software Upgrade Process
OL-30933-01