Having trouble with a Cisco 2502 router

borumasborumas Member Posts: 244
Hey guys, I'm trying to setup a lab and I have a 2502 that I upgraded to 16mb RAM and 16mb flash, problem is that after the upgrade I get the Router(boot)> prompt, seems like it is trying to find a bootable image from a server or something like that. The flash is completely empty but when I tried to do a copy tftp flash command I get the ERR: Device in READ-ONLY state message. I did a Google search and didn't find much, didn't find much on a search of Cisco's site either so was wondering if anyone here might be of help. Problem with this router is it only has 2 serial interfaces and a Token Ring port so what I was thinking of doing was connecting it to the serial port on a 2620 I have and use my laptop on the 2620's ethernet port but since I can't even attempt to tftp I'm currently stuck. Any input is appreciated in advance.

Comments

  • eleguaelegua Member Posts: 282
    borumas wrote:
    Hey guys, I'm trying to setup a lab and I have a 2502 that I upgraded to 16mb RAM and 16mb flash, problem is that after the upgrade I get the Router(boot)> prompt, seems like it is trying to find a bootable image from a server or something like that. The flash is completely empty but when I tried to do a copy tftp flash command I get the ERR: Device in READ-ONLY state message. I did a Google search and didn't find much, didn't find much on a search of Cisco's site either so was wondering if anyone here might be of help. Problem with this router is it only has 2 serial interfaces and a Token Ring port so what I was thinking of doing was connecting it to the serial port on a 2620 I have and use my laptop on the 2620's ethernet port but since I can't even attempt to tftp I'm currently stuck. Any input is appreciated in advance.

    Hi,

    You have to use xmodem to load the IOS to the router, something like this:
    rommon 2> xmodem -c c2500-i-l.121-24.bin
    
    and then go to tranfer> send file and find your ios and click send, it should start transfer the ios to your router, after completed do this:
    rommon 3>dir flash:
    
    rommon 3>confreg 0x2102
    
    rommon 3>reset
    

    after reset it should be fine, i haven't do this for long time but i'm sure this is the right way, also be aware it would take long time to load the ios.

    Hope this help. icon_wink.gif
  • tech-airmantech-airman Member Posts: 953
    borumas wrote:
    Hey guys, I'm trying to setup a lab and I have a 2502 that I upgraded to 16mb RAM and 16mb flash, problem is that after the upgrade I get the Router(boot)> prompt, seems like it is trying to find a bootable image from a server or something like that. The flash is completely empty but when I tried to do a copy tftp flash command I get the ERR: Device in READ-ONLY state message. I did a Google search and didn't find much, didn't find much on a search of Cisco's site either so was wondering if anyone here might be of help. Problem with this router is it only has 2 serial interfaces and a Token Ring port so what I was thinking of doing was connecting it to the serial port on a 2620 I have and use my laptop on the 2620's ethernet port but since I can't even attempt to tftp I'm currently stuck. Any input is appreciated in advance.

    borumas,

    Your Cisco IOS is located on the OLD flash module. So "downgrade" your Flash back to your old flash module, upload the IOS off of that flash to a tftp server, shut down the router, upgrade your flash, turn your router on, then download the IOS back down from the tftp server onto your new flash.

    I hope this helps.
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