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Cisco Catalyst 4500 Series Software Configuration Guide

Cisco Catalyst 4500 Series
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5-67
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 5 Configuring Virtual Switching Systems
In-Service Software Upgrade (ISSU) on a VSS
Switch# show switch virtual
Switch mode : Virtual Switch
Virtual switch domain number : 16
Local switch number : 1
Local switch operational role: Virtual Switch Active
Peer switch number : 2
Peer switch operational role : Virtual Switch Standby
Switch#
Verifying the ISSU State Before Beginning the ISSU Process
Ensure that both the supervisor engines are configured to auto-boot, and that they have currently been
booted from the pre-upgrade image residing on the local file system. This is verified by the values of the
BOOT variable and the configuration register (refer to the sample output of show redundancy command
in the previous section).
Ensure that the active and standby supervisor engines are up and in ISSU Init state and that both
supervisor engines are running the same current image.
The following example displays the ISSU state before the process begins:
Switch# show issu state detail
Slot = 1
RP State = Active
ISSU State = Init
Operating Mode = Stateful Switchover
Current Image =
bootflash:cat4500e-universal.SSA.03.03.00.SGN1.33.151-2.SGN1.33.bin
Pre-ISSU (Original) Image = N/A
Post-ISSU (Targeted) Image = N/A
Slot = 11
RP State = Standby
ISSU State = Init
Operating Mode = Stateful Switchover
Current Image =
bootflash:cat4500e-universal.SSA.03.03.00.SGN1.33.151-2.SGN1.33.bin
Pre-ISSU (Original) Image = N/A
Post-ISSU (Targeted) Image = N/A
Note that the Standby slot number is reported as 11, which is a Virtual Slot number that corresponds to
physical slot 1 on Switch 2. The correspondence between the Virtual Slot number and the physical
location of the slot can be determined using the show switch virtual slot-map command, as shown in
the following example:
Switch# show switch virtual slot-map
Virtual Slot to Remote Switch/Physical Slot Mapping Table:
Virtual Remote Physical Module
Slot No Switch No Slot No Uptime
---------+-----------+----------+----------
1 1 1 00:33:04
2 1 2 00:32:50
3 1 3 00:32:36
4 1 4 -
5 1 5 -
6 1 6 -
7 1 7 -
8 1 8 -
9 1 9 -

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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