From: Forest Riek (forestr@xxxxxxx)
Date: Thu Nov 09 2000 - 15:24:41 GMT-3
Here is a link that covers IOS upgrades in various routers including the 2500
series, http://www.cisco.com/warp/public/620/6.html
The only way to upgrade the IOS in a 2500 is via TFTP. Also beware that during
the upgrade the router will stop routing. Because of this, its best to have th
e
TFTP server locally attached to the router.
Forest
"Christopher M. Heffner" wrote:
> You cannot upgrade the flash via the console/aux port using xmodem commands
> on a 2500 series router. The link below is for the 800 series router which
> uses a completely different rom monitor version then the rom monitor
> versions in the Motorola 68000 and/or the Risc/Power PC router systems. The
> 800 series systems use "Tiny Rom" for the rom monitor which does support
> xmodem file transfers to the flash. The 2500 does not support this feature.
>
> Chris "The Bulldog" Heffner
> Strategic Network Solutions, Inc.
> IMCR Course Director
> Certified Cisco Systems Instructor
> CCSI, CCNA, CCDA, MCT, MCSE, MCNI, MCNE, CLI, CLP, CTT, ASE, A+
> cheffner@attglobal.net
>
> Actually you can upgrade the flash via the console or aux:
>
> http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/800/800swcfg/
> upg_ios.htm
>
> Russell Lusignan
> Senior Network Engineer
> Bird On A Wire Networks
> (905) 896-6267
> rlusignan@boaw.net
>
> -----Original Message-----
> From: Roger, Michael [mailto:Michael.Roger@getronics.com]
> Sent: Wednesday, November 08, 2000 10:07 AM
> To: 'Ron Z.'; ccielab@groupstudy.com
> Subject: RE: help_upgrade IOS via aux or con
>
> You have to use the token ring or the serial line to upgrade the flash, you
> cannot do it over the console or aux. If you have another router with an
> ethernet port, just use that then swap the flash simms, If you don't have
> another token ring for your tftp server.
>
> -----Original Message-----
> From: Ron Z. [mailto:ron@xtranetsolutions.com]
> Sent: Wednesday, November 08, 2000 8:26 AM
> To: ccielab@groupstudy.com
> Subject: help_upgrade IOS via aux or con
>
> Hey, All,
>
> I have a Cisco 2504 (1 token, 2 serial, 16MB flash/16MB DRAM) with IOS 11.3.
> I'd like to upgrade it to 12.1 with IP sec. I downloaded the IOS image
> (c2500-jos56i-l_121-5.bin) and tried to upgrade it using the serial port and
> type "copy tftp flash". It does't work.
>
> I checked the config guide. It just mentioned "copy xmodem flash" for Cisco
> 1600 or 3600 seris using aux or con port. Is there any way to upgrade the
> IOS using Con or Aux port for 2500 series?
>
> Thanks in advance,
>
> Ron
>
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