Problème SNMP - NetDisco

Bonjour,

J'ai réussi au bout de 3 jours de galére à installer Netdisco 1.1 sur Ubuntu 11.10

Le soucis est que je n'arrive pas a lancer une découverte du reseau.
Lorsque je lance la commande "./netdisco -d 210.210.200.3" :

[210.210.200.2] Discover starting
[210.210.200.2] [trying SNMP Version 1]
! Device Not Supported or I can't connect it via SNMP

Voici la configuration de mon Switch :

version 12.1
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Switch3
!
enable secret 5 $1$iROe$qz3GgIAZOlBhD/RU3yQuh/
!
ip subnet-zero
!
!
spanning-tree mode pvst
no spanning-tree optimize bpdu transmission
spanning-tree extend system-id
!
!
!
!
interface FastEthernet0/1
switchport access vlan 100
!
interface FastEthernet0/2
switchport access vlan 100
!
interface FastEthernet0/3
switchport access vlan 100
!
interface FastEthernet0/4
switchport access vlan 100
!
interface FastEthernet0/5
switchport access vlan 100
!
interface FastEthernet0/6
switchport access vlan 100
!
interface FastEthernet0/7
switchport access vlan 100
!
interface FastEthernet0/8
switchport access vlan 100
!
interface FastEthernet0/9
switchport access vlan 100
!
interface FastEthernet0/10
switchport access vlan 100
!
interface FastEthernet0/11
switchport access vlan 100
!
interface FastEthernet0/12
switchport access vlan 100
!
interface FastEthernet0/13
switchport access vlan 100
!
interface FastEthernet0/14
switchport access vlan 100
!
interface FastEthernet0/15
switchport access vlan 100
!
interface FastEthernet0/16
switchport access vlan 100
!
interface FastEthernet0/17
switchport access vlan 100
!
interface FastEthernet0/18
switchport access vlan 100
!
interface FastEthernet0/19
switchport access vlan 100
!
interface FastEthernet0/20
switchport access vlan 100
!
interface FastEthernet0/21
switchport access vlan 100
!
interface FastEthernet0/22
switchport access vlan 100
switchport mode access
!
interface FastEthernet0/23
switchport mode trunk
!
interface FastEthernet0/24
switchport mode trunk
!
interface Vlan1
no ip address
no ip route-cache
shutdown
!
interface Vlan100
ip address 210.210.200.3 255.255.255.0
no ip route-cache
!
ip http server
snmp-server community private1 RW
!
line con 0
line vty 0 4
login
line vty 5 15
login
!
!
end

Si qqun pourrai m'aider dans l'urgence.. ça serai extra !
En vous remercient d'avance !