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New Member

IOS Recovery for 3750 switch

Hi all,


I have Cisco 3750-24PS-S switch, which IOS mistakenly erase, I have run switch:format flash: command also,


I tried Xmodem recovery for upload IOS on flash, but it gives I/O error while uploading the IOS,


So plz give the complete procedure for IOS recovery through HyperTerminal OR any another method/

also attached is a snapshot of that error,

Regards,

Vaibhav S.





2 REPLIES
Hall of Fame Super Gold

Re: IOS Recovery for 3750 switch

Kindly enter the following commands first:

init_switch

load_helper

New Member

Re: IOS Recovery for 3750 switch

Please try the following steps to disaster recovery.


Do check the connections before proceeding:

flash_init
load_helper
dir flash:
set baud 115200 --> for faster transfer please change the baud rate
copy xmodem:flash:


More details provided in the following link:
http://www.cisco.com/en/US/products/hw/switches/ps628/products_tech_note09186a0080169696.shtml

More details of the error message can be found in error decoder in cisco.com site:

http://www.cisco.com/cgi-bin/Support/Errordecoder/index.cgi?action=search&locale=en&index=all&query=%25SYS-2-MALLOCFAIL%3A+Memory+allocation+of+1819541504+bytes+failed+from+0x10497EAC%2C+alignme&counter=0&paging=5&links=reference&sa=Submit

Hope it helps!

Regards,

podhillo

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