Cisco upgrade IOS TFTP

Upgrade IOS TFTP


  • in case of Layer2/Layer3 switch device you will need to setup first an Interface VLAN for being able to access the TFTP server (
  • In case of Router device you will need to setup a valid IP address on the interface which can access the TFTP server.
erase flash:
erase flash storage for being able to copy the new firmware. The process may take a few seconds.
copy tftp: flash:
 Itt will ask the image file name and TFTP server IP address. The image must be prepared on the TFTP server before.
 verify flash:c2960-lanbasek9-mz.150-2.SE7.bin
 verify that the image is uploaded and possible working
 wr mem
write to the memory
conf t
boot system flash:c2960-lanbasek9-mz.150-2.SE7.bin
set the copied image as a boot image
do wr mem
write changes to the memory
restart the IOS operating system

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