CCNA2.0 Notes _ Security Management equipment

Device Safety

Configure the console password

Switch (config) #line console 0Switch (config-line) #loginSwitch (config-line) #password Cisco

Configure the Vty line password

Switch (config) #line vty 0 4Switch (config-line) #loginSwitch (config-line) #password Cisco

Configure the Enable password

Switch (config) #enable password Cisco

Configuring the Secret Password

Switch (config) #enable secret Cisco

Global encryption Enabled

Switch (config) #service password-encryption

Port Security : For two-tier interface (only works in Access mode)

Switch (config) #interface fastethernet 0/1switch (config-if) #switchport mode access Switch (config-if) #switchport Access VLAN 20Switch (config-if) #switchport port-securityswitch (config-if) #switchport port-security maximum 1    // Maximum number of secure addresses, ports connected to switches/hubs, recommended to change the number of maximum, if there are 10 PCs, change to 10Switch (config-if) #switchport port-security mac-address Sticky     //Auto-learning (then join Cam table) Switch (config-if) #switchport port-security mac-address AAAA. BBBB. CCCC    //Manually specify MAC address switch (CONFIG-IF) #switchport port-security violation shutdown    //illegal operation close port

View commands

Switch#show mac address-table    // View Cam table switch#show port-security address    //  View port security interface0/1    // Display Interface port-security summary information

CCNA2.0 Notes _ Security Management equipment