IOS upgradation for C3750 in stack

vkraaman used Ask the Experts™
Dear All,
I have a 2 C3750 connected in stack. as by default take a single IP. I want to upgrade the IOS for both the switches thru network. Kindly provide the  procedures.
Or should i upload the IOS thru console individually.
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yes I you can upgrade it through network ,, and you need a TFTP server on one of your machines

the following links describes well how to upgrade IOS,, plz follow up procedure step by step and everything will be ok..

if you need further assistant ,, am available to help
copy tftp: flash:


copy tftp: flash2:

thats all...
enable the IOS:

boot system switch all flash:/filename.bin

verify the boot:

sh boot

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Dear All,
              Thanks for the solutions.
              On what basis should i select the new IOS for above said switches.
check your system flash and NVRAM ... you get it by sh version
and select your IOS that compatible with it

IP BASE                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
Release Date: 19/May/2009                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
                                                                                                                                                         Size: 10040.64 KB  (10281615 bytes)                                                                                                                                                                                                                                                                       
Minimum Memory:                                                                    DRAM:128                                                                   MB                                                               Flash:16                                                                   MB                                                             

this seems to be the latest...
IP BASE                                                                                                                                                                                                                                                                                                                                                                                                                                                                    c3750-ipbasek9-mz.122-50.SE2.bin                                                                                                                                                                                                                                                                              Release Date: 19/May/2009                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
                                                                                                                                                         Size: 10040.64 KB  (10281615 bytes)                                                                                                                                                                                                                                                                       Minimum Memory:                                                                    DRAM:128                                                                   MB                                                               Flash:16                                                                   MB                                                             

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