Cisco Catalyst 4500 series Administration Manual page 289

Chapter 5 Configuring Virtual Switching Systems
This example shows how to initiate an ISSU upgrade process using the issu changeversion command.
The outputs of the show switch virtual, show issu state detail, show redundancy, and show
redundancy states commands are included to show the supervisor state before and after the upgrade
procedure.
Switch> enable
Switch# show switch virtual
Switch mode
Virtual switch domain number : 16
Local switch number
Local switch operational role: Virtual Switch Active
Peer switch number
Peer switch operational role : Virtual Switch Standby
Switch#
Switch#show redundancy states
Redundancy Mode (Operational) = Stateful Switchover
Redundancy Mode (Configured) = Stateful Switchover
Communications = Up
client_notification_TMR = 240000 milliseconds
Switch# show redundancy
Redundant System Information :
------------------------------
Switchovers system experienced = 2
Configured Redundancy Mode = Stateful Switchover
Current Processor Information :
------------------------------
Switch Software (cat4500e-UNIVERSAL-M), Version 03.03.00.SGN1.33 CISCO INTERNAL USE ONLY
UNIVERSAL PRODUCTION K10 IOSD VERSION , synced to END_OF_FLO_ISP
Copyright (c) 1986-2012 by Cisco Systems, Inc.
Compiled Thu 09-Aug
bootflash:cat4500e-universal.SSA.03.03.00.SGN1.33.151-2.SGN1.33.bin,12;bootflash:cat4500e-
universal.SSA.03.03.00.SGN1.34.151-2.SGN1.34.bin,12;
OL-30933-01
my state = 13 -ACTIVE
peer state = 8 -STANDBY HOT
Mode = Duplex
Unit = Primary
Unit ID = 1
Redundancy State = Stateful Switchover
Manual Swact = enabled
client count = 74
keep_alive TMR = 9000 milliseconds
keep_alive count = 0
keep_alive threshold = 18
RF debug mask = 0
Available system uptime = 3 hours, 50 minutes
Standby failures = 1
Last switchover reason = active unit removed
Hardware Mode = Duplex
Operating Redundancy Mode = Stateful Switchover
Maintenance Mode = Disabled
Communications = Up
Active Location = slot 1/1
Current Software state = ACTIVE
Uptime in current state = 45 minutes
Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3
BOOT =
: Virtual Switch
: 1
: 2
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)SG
In-Service Software Upgrade (ISSU) on a VSS
5-73