: Always respect Cisco’s licensing and copyright when obtaining IOS images.
– Use IOU (IOS on Unix) L3 images (e.g., i86bi-linux-l3-adventerprisek9-15.5.2T.bin ), which behave more like real switches.
int range g1/1-2 switchport mode access switchport access vlan 10 For trunking:
conf t no ip routing ! disable routing vlan 10 ! create VLANs as needed name DATA vlan 20 name VOICE Assign ports to VLANs (interfaces are named GigabitEthernet1/1 , etc.):