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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
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 -
10 1 10 -
11 2 1 00:31:14
12 2 2 00:33:33
13 2 3 00:33:33
14 2 4 -
15 2 5 -
16 2 6 -
17 2 7 -
18 2 8 -
19 2 9 -
20 2 10 -
Switch#
The new version of the Cisco IOS XE software must be present on both of the supervisor engines. The
directory information displayed for each of the supervisor engines shows that the new version is present.
Switch# dir bootflash:
Directory of bootflash:/
29122 -rw- 119519232 Aug 13 2012 19:13:14 +00:00
cat4500e-universal.SSA.03.03.00.SGN1.34.151-2.SGN1.34.bin
29125 -rw- 119286584 Aug 13 2012 22:30:02 +00:00
cat4500e-universal.SSA.03.03.00.SGN1.33.151-2.SGN1.33.bin
820875264 bytes total (581672960 bytes free)
Switch# dir slavebootflash:
Directory of slavebootflash:/
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