Catalyst:
switchport nonegotiate
switchport port-security maximum 1
switchport port-security aging type inactivity
switchport port-security
storm-control broadcast level 10.00
storm-control multicast level 10.00
storm-control action trap
spanning-tree bpduguard enable
switchport port-security mac-address sticky
switchport port-security violation shutdown
loopdetect ->2960x ko có
exit
