Upgrade Cisco Catalyst 2950 Switch Firmware
備份舊firmware:#switch dir flash:
#switch copy flash:xxxxxxxxxxxx.bin tftp://192.168.x.x/xxxxxxxxxxxxx.bin
更新firmware:
First you need to download a new firmware on Cisco homepage to that you need a cisco login.
Then you need a tftp server. Klever’s pumpkin is free.
Then we need to take backup of the cisco switch before upgrading.
Login to enable mode.
wr mem
copy running-config tftp://192.168.0.1/config
copy flash:vlan.dat tftp://192.168.0.1/vlan.dat
copy flash:c2950-i6q4l2-mz.121-22.EA6.bin tftp://192.168.0.1/c2950-i6q4l2-mz.121-22.EA6.bin
Then we need to delete old HTML files.
delete /r /f flash:html
delete flash:xxxxxxxxxxxxxx.bin
Then we need to get the new software on the Cisco router.
archive tar /xtract tftp://192.168.0.1/c2950-i6q4l2-tar.121-22.EA10a.tar flash:
conf t
boot system flash:yyyyyyyyyyyy.bin
And then you just need to reload the cisco router.
reload
Reference: http://kennethdalbjerg.dk/2008/04/09/upgrade-a-cisco-catalyst-2950-switch
http://cco.cisco.com/en/US/products/hw/switches/ps628/products_configuration_example09186a0080169627.shtml#concept11
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