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Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)SG
OL-30933-01
Chapter 5 Configuring Virtual Switching Systems
In-Service Software Upgrade (ISSU) on a VSS
Standby failures = 1
Last switchover reason = active unit removed
Hardware Mode = Duplex
Configured Redundancy Mode = Stateful Switchover
Operating Redundancy Mode = Stateful Switchover
Maintenance Mode = Disabled
Communications = Up
Current Processor Information :
------------------------------
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
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.
Compiled Fri 10-Aug
BOOT =
bootflash:cat4500e-universal.SSA.03.03.00.SGN1.34.151-2.SGN1.34.bin,12;bootflash:cat4500e-
universal.SSA.03.03.00.SGN1.33.151-2.SGN1.33.bin,12;
Configuration register = 0x2102
Peer Processor Information :
------------------------------
Standby Location = slot 1/1
Current Software state = STANDBY HOT
Uptime in current state = 1 minute
Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3
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.
Compiled Fri 10-Au
BOOT =
bootflash:cat4500e-universal.SSA.03.03.00.SGN1.34.151-2.SGN1.34.bin,12;bootflash:cat4500e-
universal.SSA.03.03.00.SGN1.33.151-2.SGN1.33.bin,12;
Configuration register = 0x2102
The following example shows how to use issu changeversion with the "at" command option to schedule
an ISSU upgrade procedure to automatically start at the specified time. This example specifies that the
ISSU upgrade should be started at 16:30 (24 hour format).
Switch> enable
Switch# issu changeversion 1 bootflash:y.bin 11 slavebootflash:y at 16:30
% 'issu changeversion' was executed at [ Aug 12 16:27:43 ].
% The planned ISSU changeversion is to occur in (hh:mm:ss) [ 00:03:00 ] at [ Apr 12
16:30:43 ].
% Current system time: [ Aug 12 16:27:43 ]
% Planned upgrade image: bootflash:y.bin
% To cancel the planned upgrade, please execute 'issu abortversion'
Switch# show issu state detail
Slot = 1
RP State = Active
ISSU State = Init
Changeversion = TRUE
Operating Mode = Stateful Switchover
Current Image = bootflash:x.bin
Pre-ISSU (Original) Image = N/A
Post-ISSU (Targeted) Image = N/A
Slot = 11
RP State = Standby
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