Cisco 4500 Series Switch Software Upgrade

Just got a pair of Cisco 4500 series switches with dual sup 7E. Needed to be upgraded to the latest IOS version.

Here are the steps to upgrade it:

• Copy the .bin file from the TFTP server to both Sups (Active and Standby)

          copy source_device:source_filename bootflash:target_filename

          copy source_device:source_filename slavebootflash:target_filename

• Change the boot system command

no boot system flash bootflash:c6msfc2-jsv-mz.121-8a.E5
wr mem


boot system flash bootflash:c6msfc2-jsv-mz.121-8a.E6
wr mem


• Change the config register

config-register 0x2102
wr mem


• Reload the Standby Sup

          redundancy reload peer

• Failover the Sup

          redundancy force-switchover