CCNA 3 Labs and Study Guide - BINARYBB.INFO – @jagalbraith

Lab Exercises
Command Reference
In the following table, record the command, including the correct switch prompt, that fits the description
for a 2950 Catalyst switch. Fill in any blanks with the appropriate missing information.
Command Description
Chapter 6: Catalyst Switch Configuration 249
Switch#show vlan Displays the current VLAN configuration
Switch#delete flash:vlan.dat Removes the VLAN database from Flash memory
Switch(config)#interface vlan1 Enables the virtual interface for VLAN1, the default
VLAN on the switch
Switch(config)#ip default-gateway 192.168.1.1 Configures a gateway to allow IP packets an exit
Switch(config-if)#duplex full Forces full-duplex operation on an interface
Switch(config-if)#duplex auto Enables auto-duplex configuration
Switch(config-if)#duplex half Forces half-duplex operation on an interface
Switch(config-if)#speed 10 Forces 10-Mbps operation on an interface
Switch(config-if)#speed 100 Forces 100-Mbps operation on an interface
Switch(config-if)#speed auto Enables autospeed configuration
Switch#show mac-address-table Displays the current MAC address forwarding table
Switch#clear mac-address-table dynamic Deletes all learned entries from the current MAC address
forwarding table
Switch(config)#mac-address-table static Sets a static address of aaaa.aaaa.aaaa in the MAC
aaaa.aaaa.aaaa vlan 1 interface fa0/1 address table for Fa0/1
Switch(config-if)#switchport port-security Enables port security on the interface
Switch(config-if)#switchport port-security Sets the maximum number of MAC addresses
maximum 1 that a port can learn to 1
Switch(config-if)#switchport port-security Configures the port to dynamically learn MAC addresses
mac-address sticky and “stick” them to the configuration
Switch(config-if)#switchport port-security Configures the port to be disabled if there is a security
violation shutdown violation
Switch(config-if)#switchport port-security Configures the port to send a SNMP trap if a security
violation restrict violation is detected but does not shut down the port
Switch(config-if)#switchport port-security Configures the port to drop all frames from unknown
violation protect source MAC addresses after the maximum configured
MAC addresses have been learned