Cisco 3850 Tips

Commands I Have Found Handy for the Cisco 3850

Check CPU Usage

show process cpu

Check Interface Status

show interface status

Enable / Disable Interface Example

enable
configure terminal
int G1/0/5
shutdown (to disable, 'no shutdown' to re-enable)
end
write memory

Check to see if SPAN Port Present

show monitor session 1

Enable SPAN Ports

enable
configure terminal
monitor session 1 source int g1/0/1 rx
monitor session 1 source int g1/0/2 rx
monitor session 1 source int g1/0/3 rx
etc...
monitor session 1 dest int g1/0/23
end
write memory

Remove SPAN port from session

no monitor session 1 source int g1/0/1

Reset Password Protected Cisco 3850 to Factory Defaults

enable
configure terminal
config-register 0x2102
end
write erase
reload