CLI session with the switch is open.
     To end the CLI session, enter [Exit].

%LINK-3-UPDOWN: Interface FastEthernet0/3, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/4, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/4, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/5, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/5, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/6, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/6, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/7, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/7, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/8, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/8, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/9, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/9, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/10, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/10, changed state to down
Switch>enable
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hostname SW3
SW3(config)#exit
SW3#vlan database
SW3(vlan)#vlan 10 name First
VLAN 10 added:
    Name:First
SW3(vlan)#vlan 20 name Second
VLAN 20 added:
    Name:Second
SW3(vlan)#vlan 30 name Third
VLAN 30 added:
    Name:Third
SW3(vlan)#exit
APPLY completed.
Exiting....
SW3#
SW3#sh vlan

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa0/1, Fa0/2, Fa0/3, Fa0/4
                                                Fa0/5, Fa0/6, Fa0/7, Fa0/8
                                                Fa0/9, Fa0/10, Fa0/11, Fa0/12
10   First                            active   

20   Second                           active   

30   Third                            active   
1002 fddi-default                     active
1003 token-ring-default               active
1004 fddinet-default                  active
1005 trnet-default                    active

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1    enet  100001     1500  -      -      -        -    -        0      0
10   enet  100010     1500  -      -      -        -    -        0      0
20   enet  100020     1500  -      -      -        -    -        0      0
30   enet  100030     1500  -      -      -        -    -        0      0
1002 fddi  101002     1500  -      -      -        -    -        0      0
1003 tr    101003     1500  -      -      -        -    -        0      0
1004 fdnet 101004     1500  -      -      -        ieee -        0      0
1005 trnet 101005     1500  -      -      -        ibm  -        0      0

SW3#
SW3#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
SW3(config)#interface range fa0/1 - fa0/10
SW3(config-if)#switchport mode access
SW3(config-if)#exit
SW3(config)#interface range fa0/11 - fa0/12
SW3(config-if)#switchport mode trunk
SW3(config-if)#exit
SW3(config)#interface fa0/1
SW3(config-if)#switchport access vlan 10
SW3(config-if)#interface fa0/2
SW3(config-if)#switchport access vlan 3
% Access VLAN does not exist. Creating vlan 3

SW3(config-if)#switchport access vlan 20
SW3(config-if)#interface fa0/3
SW3(config-if)#switchport access vlan 40
% Access VLAN does not exist. Creating vlan 40

SW3(config-if)#switchport access vlan 30
SW3(config-if)#exit
SW3(config)#exit
SW3#sh interface fa0/11
FastEthernet0/11 is up, line protocol is up
  Hardware is Fast Ethernet, address is 000C.3080.3180 (bia 000C.3080.3180)
  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Auto-duplex, Auto-speed
  Encapsulation ARPA, loopback not set
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 02:29:44, output never, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue :0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     269 packets input, 71059 bytes, 0 no buffer
     Received 6 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     7290 packets output, 429075 bytes, 0 underruns
     0 output errors, 3 interface resets
     0 output buffer failures, 0 output buffers swapped out