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2521 router upgrade

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capefear

Technical User
Sep 18, 2005
23
US
hello i recently put new flash mem into my 2521 router to upgrade.Now i have no usable interfaces and it boots to boot mode i.e frameswitch (boot)#. I'm using one of my routers as a tftp server.Is there a way for me to do this upgrade via the serial interface. The 2521 doesn't have ethernet just four serial ports a token ring/utp/bri. hopes this makes sense.
 
Shouldn't be a problem. Make sure you can ping both routers before the upgrade across the serial interface.

Set the router (not being upgraded) to a tftp server using the TFTP-SERVER command and point it to the image you want to load on the 2500.

Follow the 2500 flash upgrade procedure (below) and point it to the IP address you previously assigned and tested to the other router.

 
The alternative for you is to ramp up the baud rate on the console port to 115200 and do an xmodem transfer of the file, bit painful, but at 115200, its not too bad.
 
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