• http://idum.fr/spip.php?article182

configure terminal
  interface Dot11Radio0.1
    encapsulation dot1Q 1 native
  interface FastEthernet0.1
    encapsulation dot1Q 1 native
    end
  write memory

configure terminal
  interface Dot11Radio0.10
    encapsulation dot1Q 10 native
  interface FastEthernet0.10
    encapsulation dot1Q 10 native
    end
  write memory

configure terminal
  interface Dot11Radio0.20
    encapsulation dot1Q 20 native
  interface FastEthernet0.20
    encapsulation dot1Q 20 native
    end
  write memory

configure terminal
  interface Dot11Radio0
    ssid Cisco10
    vlan 10
    end
  write memory

configure terminal
  interface Dot11Radio0
    ssid Cisco20
    vlan 20
    end
  write memory