Boot variable cisco 3845

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Aug 25th, 2009
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Hi all,



this command was executed on a cisco 6500 and i got the output


6500#sh boot

BOOT variable = disk0:s72033-advipservicesk9_wan-mz.122-18.SXF6.bin,1;sup-bootflash:s72033-pk9sv-mz.122-17d.SXB10.bin,1;

CONFIG_FILE variable =,



How can i get the same result on a Cisco 3845. I need to see what the boot variable is set to, Show boot command does not work.


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paolo bevilacqua Tue, 08/25/2009 - 13:38
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There is no command to show that.

You have to examine the config file for boot commands.

Leo Laohoo Tue, 08/25/2009 - 14:34
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Paolo's right. The sh boot is only valid for switches and ASA (I think). For routers, you have to look at the "boot-start-marker" section. If no entry then the appliance will boot the first .bin image from the top.


Hope this helps.

Joseph W. Doherty Tue, 08/25/2009 - 15:25
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As the others have noted, there isn't an explicit command for a router, however if boot infomation is in the config file, you might try:


show config (or run) | include boot

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