CCNA
Basic switch config
Let's configure a switch from scratch, CCNA style.
Enter privileged mode, then global config. Set a hostname so you always know which device you're on.
Disable domain lookup, so a typo doesn't hang your session. Set an enable secret to protect privileged mode, and a console password so physical access isn't free.
Now create VLAN 10 for users, assign your first twelve access ports to it, and set them to access mode. Make the uplink a trunk so VLANs travel between switches.
Finally, write memory to save. That's a clean base config every switch should start with.
# los comandos
Switch> enablecopiarSwitch# configure terminalcopiarEnter configuration commands, one per line. End with CNTL/Z.
Switch(config)# hostname ACCESS-SW1copiarACCESS-SW1(config)# no ip domain-lookupcopiarACCESS-SW1(config)# enable secret Str0ngP@ss!copiarACCESS-SW1(config)# line console 0copiarACCESS-SW1(config-line)# password C0nsole!copiarACCESS-SW1(config-line)# logincopiarACCESS-SW1(config-line)# exitcopiarACCESS-SW1(config)# vlan 10copiarACCESS-SW1(config-vlan)# name USERScopiarACCESS-SW1(config-vlan)# exitcopiarACCESS-SW1(config)# interface range fa0/1 - 12copiarACCESS-SW1(config-if-range)# switchport mode accesscopiarACCESS-SW1(config-if-range)# switchport access vlan 10copiarACCESS-SW1(config-if-range)# exitcopiarACCESS-SW1(config)# interface gi0/1copiarACCESS-SW1(config-if)# switchport mode trunkcopiarACCESS-SW1(config-if)# endcopiarACCESS-SW1# write memorycopiarBuilding configuration...
[OK]