If I want to ping with my pc to (f.e.) 10.2.0.1, then my Cisco Switch does a Administratively down to my port (FastEthernet0/3). I think this is because its got a port security. Only one MAC adres can be 'sticked'.
I don't know how to fix this, can anyone help me with this?
show port-security interface fastethernet <interface number>
conf t
no switchport port-security maximum
no switchport port-security mac-address sticky
no switchport port-security
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