conf t enter into configuration mode sh ip int br list available interfaces interface FastEthernet0/1 enter into interface configuration ip address 192.168.2.51
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Erase IOS configuration files delete flash:vlan.dat delete vlan information, you will have to confirm write erase erase the IOS configuration reload reboot the IOS
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Backup IOS image sh version in the listing check for the System image file. For example it can be a directory also: “flash:c2960-lanbase-mz.122-25.SEE2/c2960-lanbase-mz.122-25.SEE2.bin” copy flash:
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