<> [On Ranet SW (via console)] : (Go to Desktop Tab > Terminal) Ranet-SW>en Ranet-SW#conf t Enter configuration commands, one per line. End with CNTL/Z. Ranet-SW(config)#int ran fa0/1 -24 Ranet-SW(config-if-range)#switchport mode access Ranet-SW(config-if-range)#switchport port-security Ranet-SW(config-if-range)#switchport port-security maximum 1 Ranet-SW(config-if-range)#switchport port-security violation shutdown Ranet-SW(config-if-range)#int fa0/1 Ranet-SW(config-if)#switchport port-security mac-address sticky Ranet-SW(config-if)#int fa0/3 Ranet-SW(config-if)#switchport port-security mac-address 0030.F295.15C6 Ranet-SW(config-if)# %SYS-5-CONFIG_I: Configured from console by consoleRanet-SW# Ranet-SW#copy run start Destination filename [startup-config]? Building configuration... [OK] Ranet-SW# [On Host1] : (Go to Desktop Tab > Command Prompt) Packet Tracer PC Command Line 1.0 PC>ping 192.168.0.60 Pinging 192.168.0.60 with 32 bytes of data: Reply from 192.168.0.60: bytes=32 time=44ms TTL=128 Reply from 192.168.0.60: bytes=32 time=4ms TTL=128 Reply from 192.168.0.60: bytes=32 time=5ms TTL=128 Reply from 192.168.0.60: bytes=32 time=4ms TTL=128 Ping statistics for 192.168.0.60: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 4ms, Maximum = 44ms, Average = 14ms PC>ping 192.168.0.59 Pinging 192.168.0.59 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 192.168.0.59: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss), PC>ping 192.168.0.58 Pinging 192.168.0.58 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 192.168.0.58: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss), PC> (Now you should see port Fa0/2 changed status to down due to sender MAC addresses exceed maximum, port Fa0/3 changed status to down due to incorrect sender MAC address.) [On Ranet SW (via console)] : (Go to Desktop Tab > Terminal) %LINK-5-CHANGED: Interface FastEthernet0/2, changed state to administratively down %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down %LINK-5-CHANGED: Interface FastEthernet0/3, changed state to administratively down %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down Ranet-SW#sh port-security address Secure Mac Address Table ------------------------------------------------------------------------------- Vlan Mac Address Type Ports Remaining Age (mins) ---- ----------- ---- ----- ------------- 1 0030.F214.8793 SecureSticky FastEthernet0/1 - 1 0030.F295.15C6 SecureConfigured FastEthernet0/3 - ------------------------------------------------------------------------------ Total Addresses in System (excluding one mac per port) : 0 Max Addresses limit in System (excluding one mac per port) : 1024 Ranet-SW#sh int fa0/2 FastEthernet0/2 is down, line protocol is down (err-disabled)

Ranet-SW#sh int fa0/3 FastEthernet0/3 is down, line protocol is down (err-disabled)