Cisco 3825 router boot ios from usb

HI All
I got a Cisco 3825 Router CF card failure, can I boot IOS from USB?
Physically I found 2 usb ports but nothing I can see in ROMMON mode, may I know how to boot from USB?
rommon 1 > dev
Devices in device table:
id name
flash: compact flash
bootflash: boot flash
eprom: eprom
rommon 2 >
Hugo

Hi Hugo,
The only time you can get an ISR G1 (except 870) to boot from USB is when you have upgraded the bootstrap to 12.4(13r)T15.
The command to boot from USB is a hidden command. From ROMmon the command is "boot usbflash0:IOS_filename.bin".

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http://www.cisco.com/en/US/prod/collateral/modules/ps6247/prod_qas0900aecd80232483.html
     Q. What sizes of USB Flash sticks are supported?
     A. USB Flash sticks are supported in 64, 128, and 256 MB sizes. No other sizes are supported.
     Q. Can I use any USB memory stick for this application?
     A. No. Only Cisco USB memory sticks are supported.
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Quote from: Svet on 28-October-10, 21:37:53
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Need to boot Linux from USB

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HP Pavilion Sleekbook 15 not booting up from USB (to clean install windows)

Hello there,
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well.. i was just reading this thread, http://h30434.www3.hp.com/t5/Notebook-Operating-Systems-and-Software/HELP-download/m-p/4240018
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Huffer wrote:
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Oh groan, not another conspiracy theory. No, it's a lot more likely Apple and Netgear and the dozens of other manufacturers haven't gotten together with the thousands users who have come up with hundreds of thousands of ways of rigging things up and tested each and every one of them. I am confident if Apple were out to mess things up for you they could have come up with something a lot more devious.
Did you do a web search for this? With a Google search specifying Netgear with this error I found:
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dvh wrote:
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1) i don'tknow a way to check this, but the
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Quote from: Svet on 12-August-13, 01:32:52
you can try attached one.
next time start new own topic.
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Can the 1841 router boot from system image from usbdisk?

I have a cisco1841 router with 32M CF card installed.
Now , i want boot a system image larger 32M from usbdisk.
First i insert the 128M usb flash disk to the 1841 router and format it, then i can see the device from dir command.
Second copy the larger ios image from tftp to the usb disk and successed,i can see the image with " dir usbflash0:" command.
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Does someone tell me that can the cisco 1841 router boot the system image from usb disk when reboot the router.
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I have test that ， the 1841 router can boot from usb disk。
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there is about 3 minutes to wait.
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It's too long .
Does something wrong?

Boot from USB on S400

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I've tried with both FAT16 and FAT32 bootable partitions in the USB pendrive (one at a time). I'm trying the blue USB port since some of the Ideapads will only boot from the USB2.0 port (I'm guessing it's the blue one, I tried the others just in case). I'm out of ideas for the Ideapad
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Go to Solution.

Usually the blue ports are USB 3.
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The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc. The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored. ... GeezBlog
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Cisco 3825 router boot ios from usb

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