3.4   Configuration de VLAN

• Configuration de VLAN sur un commutateur :
  • déclaration de VLAN :

    RG20-1#vlan database
    RG20-1(vlan)#vlan 2 name SERVERS
    VLAN 2 added:
      Name: SERVERS
    RG20-1(vlan)#exit
    APPLY completed.
    Exiting....                                                                     
    RG20-1#show vlans
    ...
    

  • affectation d'un port à un VLAN :

    RG20-1#configure terminal
    Enter configuration commands, one per line.  End with CNTL/Z.
    RG20-1(config)#interface fastEthernet0/7
    RG20-1(config-if)#switchport access vlan 2 
    RG20-1(config-if)#exit
    

  • configuration d'un port global :

    RG20-1#configure terminal
    Enter configuration commands, one per line.  End with CNTL/Z.
    RG20-1(config)#interface fastEthernet0/1
    RG20-1(config-if)#switchport mode trunk
    RG20-1(config-if)#switchport trunk encapsulation dot1q
    RG20-1(config-if)#exit
    

• Configuration de VLAN sur un routeur :

  C3600#configure terminal
  Enter configuration commands, one per line.  End with CNTL/Z.
  C3600(config)#interface Ethernet1/0.2
  C3600(config-subif)#encapsulation dot1Q 2
  C3600(config-subif)#ip address 192.168.2.1 255.255.255.0
  C3600(config-subif)#exit                                                        
  C3600(config)#exit
  C3600#show vlans
  ...