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Resetting Catalyst 3560 to Defaults

  • Connect to console port, open minicom or other terminal emulator
  • Hold Mode button while powering on, release Mode when SYST light stops flashing
  • At switch: prompt, type flash_init
  • At next prompt, type load_helper
  • At next prompt, type dir flash:
  • Type delete flash:config.text
  • Type delete flash:vlan.dat
  • Type boot
  • At prompt, type enable
  • Type write erase
  • Type reload
  • For terminating autoinstallation, type yes
  • For entering initial configuration, type no
  • To change IP address for managment vlan, type:
    • switch> enable
    • To view mac address for management vlan, type switch# show int vlan 1
    • switch# config t
    • switch(config)# int vlan 1
    • switch(config-if)# ip address [ip address] [netmask]
    • type exit to exit
    • switch# reload
    • save config and confirm reload
  • If vlan1 is administratively down:
    • switch# config t
    • switch(config)# int vlan 1
    • switch(config-if)# no shut
    • switch(config-if)# end
    • switch# copy run start
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