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New Member

IOS upload via xmodem

Hi,

I am planning to upgrade a remote site switch to a new IOS version. I have console access to the switch via a router at the same site.

In the event if IOS crashes after upgrade and switch goes to rommon mode,

Can I use xmodem to download IOS to the switch and what are the steps?

Thanks for the help.                   

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New Member

IOS upload via xmodem

Hi,
To copy a Cisco IOS image from a local or remote computer use the copy xmodem: command in EXEC mode.

Also you can use xmodem command in ROMMON mode
See:

https://www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a008015bfac.shtml

But copying files via xmodem will be very slow (9,6 kbps by default)

New Member

IOS upload via xmodem

Thanks Andriy.

Hall of Fame Super Gold

IOS upload via xmodem

What is the model of your appliance?

New Member

IOS upload via xmodem

Hi Leo,

I am upgrading a 3560 switch. This is at a remote site and I have connectivity to the router on site and aux port of router is connected to the switch.

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