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boot statement on cisco 3560X switch


HI ,


I am using the cisco 3560X series of switches with the IOS ver c3560e-universalk9-mz.150-2.SE.bin.

I issued the command boot system flash:c3560e-universalk9-mz.150-2.SE.bin in running config and saved.

But when I re-check the running config I don't see the boot statement and our AAA server detect as "No boot statement configured".

Request some to help me in this regard.


swi-3#     sh ver
Cisco IOS Software, C3560E Software (C3560E-UNIVERSALK9-M), Version 15.0(2)SE, RELEASE SOFTWARE (fc1)
Technical Support:
Copyright (c) 1986-2012 by Cisco Systems, Inc.
Compiled Fri 27-Jul-12 23:45 by prod_rel_team

ROM: Bootstrap program is C3560E boot loader
BOOTLDR: C3560E Boot Loader (C3560X-HBOOT-M) Version 12.2(53r)SE2, RELEASE SOFTWARE (fc1)

swi-3 uptime is 39 weeks, 4 days, 22 hours, 26 minutes
System returned to ROM by power-on
System restarted at 12:06:52 UTC Sat Aug 9 2014
System image file is "flash:c3560e-universalk9-mz.150-2.SE.bin"

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License Level: ipbase
License Type: Permanent
Next reload license Level: ipbase

cisco WS-C3560X-48P (PowerPC405) processor (revision A0) with 262144K bytes of memory.
Processor board ID FDO1715Z1TS
Last reset from power-on
2 Virtual Ethernet interfaces
1 FastEthernet interface
52 Gigabit Ethernet interfaces
2 Ten Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address       : BC:16:65:F7:18:80
Motherboard assembly number     : 73-12557-08
Motherboard serial number       : FDO17150N5Q
Model revision number           : A0
Motherboard revision number     : A0
Model number                    : WS-C3560X-48P-S
Daughterboard assembly number   : 800-32786-02
Daughterboard serial number     : FDO17150G25
System serial number            : FDO1715Z1TS
Top Assembly Part Number        : 800-31328-07
Top Assembly Revision Number    : B0
Version ID                      : V04
CLEI Code Number                : COMJP00ARD
Hardware Board Revision Number  : 0x04

Switch Ports Model              SW Version            SW Image
------ ----- -----              ----------            ----------
*    1 54    WS-C3560X-48P      15.0(2)SE             C3560E-UNIVERSALK9-M

5 Replies 5

Richard Burts
Hall of Fame Guru Hall of Fame Guru
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I have a couple of comments which I hope may be helpful.


I am not clear from this post whether there is some real problem you are trying to solve or whether things are working ok but not configured as you expected. Can you clarify?


Why are you entering a boot system command specifying the version of code that the switch is already booted and running?


I believe that many of the Catalyst switches use a different mechanism to control what code to execute at startup. Is the command show bootvar supported on this switch? If so can you post the output of that command?







HI Richard,


Yes, you are right I don't have any issue with out having boot statement in the running config since it running correct code.As I sed my AAA server is keep on sending the alerts stating "Boot Command is missing".So I just thought of checking with the experts to fix it.No the command "show bootvar" is not supported.


Hope I answered you comments.





Thank you for the clarification. So the issue is really not so much about the switch as it is about the AAA server. From my perspective the person who set that up in the AAA server went a bit to far in generating an error message if there is no boot system statement in the configuration. Perhaps your organization has a policy that device configuration should contain a boot system statement and that is the basis of the error message?


In most IOS routers the boot system statement is optional and is needed only when there is more than one copy of the image file in flash and you want to control the order in which the router will attempt to boot them. And as you have discovered there are some switches in which the command  does not show up in the running config, even if you have executed the command.








it's show boot NOT show bootvar

you won't see the boot system flash:<IOS> on your running-config since it's already using the default boot image.

IOS usually won't display anything that's in default.

see a similar output on one of our 3560X switch.

#sh run | i boot

#sh ve | i IOS
Cisco IOS Software, C3560E Software (C3560E-UNIVERSALK9-M), Version 15.0(2)SE2, RELEASE SOFTWARE (fc1)


System image file is "flash:c3560e-universalk9-mz.150-2.SE.bin" - See more at:
System image file is "flash:c3560e-universalk9-mz.150-2.SE.bin" - See more at:
System image file is "flash:c3560e-universalk9-mz.150-2.SE.bin" - See more at:
System image file is "flash:c3560e-universalk9-mz.150-2.SE.bin" - See more at:

#sh boot?

#sh boot ?
  |  Output modifiers


System image file is "flash:c3560e-universalk9-mz.150-2.SE.bin" - See more at:

#sh boot
BOOT path-list      : flash:/c3560e-universalk9-mz.150-2.SE2/c3560e-universalk9-mz.150-2.SE2.bin
Config file         : flash:/config.text
Private Config file : flash:/private-config.text
Enable Break        : no
Manual Boot         : no
HELPER path-list    :
Auto upgrade        : yes
Auto upgrade path   :
NVRAM/Config file
      buffer size:   524288
Timeout for Config
          Download:    0 seconds
Config Download
       via DHCP:       disabled (next boot: disabled)


- edit: CSC has some issues with their copy/paste thing (making it look messy). i hope they would fix it soon.


Joseph W. Doherty
Hall of Fame Master Hall of Fame Master
Hall of Fame Master


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The switches saves it in a special boot variable.  Use the show boot command to see it.

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