Les IA sont de formidables outils pour progresser, y compris en matière de dépannage.
Mais comment formuler une requête qui nous permette d'obtenir la meilleure des réponses ?
Ci-dessous, vous trouverez un exemple du type de message à copier/coller pour obtenir un dépannage de qualité sur une erreur de configuration réseau avec Cisco OS :
Je souhaite configurer une topologie réseau en double-pile, IPv4 et IPv6.
Vois-tu une incohérence/erreur dans cette configuration ?
Topologie {
PC0 a pour IP 192.168.0.10/24.
PC0 possède une interface réseau (Gig0).
PC0 est relié à Commutateur0 (Gig0).
Commutateur0 possède 2 interfaces (Gig9/1) et (Gig8/1).
Commutateur0 est relié à PC0 (Gig9/1).
PC1 a pour IP 192.168.1.10/24.
PC1 possède une interface réseau (Gig0).
PC1 est relié à Commutateur1 (Gig0).
Commutateur1 possède 2 interfaces (Gig9/1) et (Gig8/1).
Commutateur1 est relié à PC1 (Gig9/1).
PC2 a pour IP 192.168.2.10/24
PC2 possède une interface réseau (Gig0).
PC2 est relié à Commutateur2 (Gig0).
Commutateur2 possède 2 interfaces (Gig9/1) et (Gig8/1).
Commutateur2 est relié à PC2 (Gig9/1).
PC3 a pour IP 192.168.3.10/24
PC3 possède une interface réseau (Gig0).
PC3 est relié à Commutateur3 (Gig0).
Commutateur3 possède 2 interfaces (Gig9/1) et (Gig8/1).
Commutateur3 est relié à PC3 (Gig9/1).
Routeur0 possède 3 interfaces (Gig0/0, Gig0/1, Se0/3/0)
Routeur0 est relié à Commutateur0 (Gig0/0).
Routeur0 est relié à Commutateur1 (Gig0/1).
Routeur0 est relié à Routeur1 (Se0/3/0)
Routeur1 possède 3 interfaces (Gig0/0, Gig0/1, Se0/3/0)
Routeur1 est relié à Commutateur2 (Gig0/0).
Routeur1 est relié à Commutateur3 (Gig0/1).
Routeur1 est relié à Routeur0 (Se0/3/0)
}
Configuration des équipements {
Commutateur0 {
Building configuration...
Current configuration : 417 bytes
!
version 12.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
interface GigabitEthernet8/1
!
interface GigabitEthernet9/1
Switch#show interface status
Port Name Status Vlan Duplex Speed Type
Gig8/1 connected 1 auto auto 10/100BaseTX
Gig9/1 connected 1 auto auto 10/100BaseTX
}
Commutateur1 {
Building configuration...
Current configuration : 417 bytes
!
version 12.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
interface GigabitEthernet8/1
!
interface GigabitEthernet9/1
switchport mode access
!
interface Vlan1
no ip address
shutdown
!
!
!
!
line con 0
!
line vty 0 4
login
line vty 5 15
login
!
!
!
!
end
Switch#show interface status
Port Name Status Vlan Duplex Speed Type
Gig8/1 connected 1 auto auto 10/100BaseTX
Gig9/1 connected 1 auto auto 10/100BaseTX
}
Routeur0 {
Router#show running-config
Building configuration...
Current configuration : 1238 bytes
!
version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Router
!
!
!
!
!
!
!
!
no ip cef
ipv6 unicast-routing
!
no ipv6 cef
Router#show ip interface brief
Interface IP-Address OK? Method Status Protocol
GigabitEthernet0/0 192.168.1.1 YES NVRAM up up
GigabitEthernet0/1 192.168.0.1 YES NVRAM up up
GigabitEthernet0/2 unassigned YES NVRAM administratively down down
Serial0/3/0 10.0.0.1 YES NVRAM down down
Serial0/3/1 unassigned YES NVRAM administratively down down
Vlan1 unassigned YES unset administratively down down
Router#show ipv6 interface brief
GigabitEthernet0/0 [up/up]
FE80::201:96FF:FE39:1E01
2001:DB8:1::1
GigabitEthernet0/1 [up/up]
FE80::201:96FF:FE39:1E02
2001:DB8::1
GigabitEthernet0/2 [administratively down/down]
unassigned
Serial0/3/0 [down/down]
FE80::201:96FF:FE39:1E01
2001:DB8:100::1
Serial0/3/1 [administratively down/down]
unassigned
Vlan1 [administratively down/down]
unassigned
Router#show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.0.0/24 is directly connected, GigabitEthernet0/1
L 192.168.0.1/32 is directly connected, GigabitEthernet0/1
192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.1.0/24 is directly connected, GigabitEthernet0/0
L 192.168.1.1/32 is directly connected, GigabitEthernet0/0
Router#show ipv6 route
IPv6 Routing Table - 5 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
U - Per-user Static route, M - MIPv6
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
D - EIGRP, EX - EIGRP external
C 2001:DB8::/64 [0/0]
via GigabitEthernet0/1, directly connected
L 2001:DB8::1/128 [0/0]
via GigabitEthernet0/1, receive
C 2001:DB8:1::/64 [0/0]
via GigabitEthernet0/0, directly connected
L 2001:DB8:1::1/128 [0/0]
via GigabitEthernet0/0, receive
L FF00::/8 [0/0]
via Null0, receive
}
Routeur1 {
Router#show running-config
Building configuration...
Current configuration : 1238 bytes
!
version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Router
!
!
!
!
!
!
!
!
no ip cef
ipv6 unicast-routing
!
no ipv6 cef
Router#show ip interface brief
Interface IP-Address OK? Method Status Protocol
GigabitEthernet0/0 192.168.2.1 YES NVRAM up up
GigabitEthernet0/1 192.168.3.1 YES NVRAM up up
GigabitEthernet0/2 unassigned YES NVRAM administratively down down
Serial0/3/0 unassigned YES NVRAM administratively down down
Serial0/3/1 10.0.0.2 YES NVRAM down down
Vlan1 unassigned YES unset administratively down down
Router#show ipv6 interface brief
GigabitEthernet0/0 [up/up]
FE80::2E0:F9FF:FE62:D01
2001:DB8:2::1
GigabitEthernet0/1 [up/up]
FE80::2E0:F9FF:FE62:D02
2001:DB8:3::1
GigabitEthernet0/2 [administratively down/down]
unassigned
Serial0/3/0 [administratively down/down]
unassigned
Serial0/3/1 [down/down]
FE80::2E0:F9FF:FE62:D01
2001:DB8:100::2
Vlan1 [administratively down/down]
unassigned
Router#show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.2.0/24 is directly connected, GigabitEthernet0/0
L 192.168.2.1/32 is directly connected, GigabitEthernet0/0
192.168.3.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.3.0/24 is directly connected, GigabitEthernet0/1
L 192.168.3.1/32 is directly connected, GigabitEthernet0/1
Router#show ipv6 route
IPv6 Routing Table - 5 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
U - Per-user Static route, M - MIPv6
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
D - EIGRP, EX - EIGRP external
C 2001:DB8:2::/64 [0/0]
via GigabitEthernet0/0, directly connected
L 2001:DB8:2::1/128 [0/0]
via GigabitEthernet0/0, receive
C 2001:DB8:3::/64 [0/0]
via GigabitEthernet0/1, directly connected
L 2001:DB8:3::1/128 [0/0]
via GigabitEthernet0/1, receive
L FF00::/8 [0/0]
via Null0, receive
}
Commutateur2 {
Switch#sh running-config
Building configuration...
Current configuration : 417 bytes
!
version 12.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
interface GigabitEthernet8/1
!
interface GigabitEthernet9/1
Switch#show running-config
Building configuration...
Current configuration : 417 bytes
!
version 12.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
interface GigabitEthernet8/1
!
interface GigabitEthernet9/1
Switch#show interface status
Port Name Status Vlan Duplex Speed Type
Gig8/1 connected 1 auto auto 10/100BaseTX
Gig9/1 connected 1 auto auto 10/100BaseTX
}
Commutateur3 {
Switch#show running-config
Building configuration...
Current configuration : 417 bytes
!
version 12.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
interface GigabitEthernet8/1
!
interface GigabitEthernet9/1
Switch#show interfaces status
Port Name Status Vlan Duplex Speed Type
Gig8/1 connected 1 auto auto 10/100BaseTX
Gig9/1 connected 1 auto auto 10/100BaseTX
}
}