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  1. marjoris

    unrecoverable Cisco 3750 switch

    I bought it from eBay. Standard warranty from Cisco is 1 year. Funny detail is that Cisco is putting non removable flash memory on board. As you maybe know, the weakness of flash memory is the number of times that data can be written to it. Tribute to the designers!! Regards, Marcel
  2. marjoris

    unrecoverable Cisco 3750 switch

    I have uploaded 2 images, just in case there is some bad block on flash. Neither will boot. I seems that block 124 is bad. Yesterday I get suddenly a message (after uploading images, rebooting, flash format. flash_init for hundred times) " Initializing Flash... Warning: Trying to free...
  3. marjoris

    unrecoverable Cisco 3750 switch

    Unfortunately, a switch doest not support TFTP. Only routers support TFTP. I have to use xmodem via console for uploading images in this mode. I think that flash memory has some bad blocks. I don't know how to isolate those bad blocks.
  4. marjoris

    unrecoverable Cisco 3750 switch

    Please let me know how I can fix that. The switch is not booting an IOS at all and commands are limited. It boot only in rmon mode (switch:) Thanks!
  5. marjoris

    unrecoverable Cisco 3750 switch

    PLEASE HELP ME!!!! After re-image the flash of my c3750 switch, it wil not boot properly anymore. See below how the boot process (between "") works. " Boot Sector Filesystem (bs) installed, fsid: 2 Base ethernet MAC Address: 00:14:a8:fc:8a:00 Xmodem file system is available. The...

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