Commandes de base

Passer en mode privilégié  

 Par défaut, on entre en privilège 1 qui donne accès à des commandes très basiques. 

 switch>show privilege

Current privilege level is 1

switch> 

 Passer en privilège maximum 15 : 

 switch>

switch>enable

switch#sh pri

Current privilege level is 15

switch# 

 Passer en mode de configuration et le quitter 

 switch#

switch#configure terminal

switch(config)#

switch(config)#exit

switch# 

 Sauvegarder la configuration 

 switch#copy running-config startup-config 

 La startup-config se trouve dans la nvram alors que la running-config se trouve dans la ram. En copiant la configuration de la running-config dans la startup-config, on écrit la conf dans la mémoire non volatile. 

 ou 

 switch#write memory 

 Afficher la configuration 

 switch#show running-config 

 Redémarrer le switch 

 switch#reload 

 Renommer le switch 

 switch#

switch#conf t

switch(config)#hostname Maquette

Maquette(config)# 

 Attribuer une adresse IP 

 switch#

switch#conf t

switch(config)#interface vlan1

switch(config-if)#ip address 192.168.1.100 255.255.255.0

switch(config-if)#exit

switch(config)#exit

switch# 

 Passerelle par défaut 

 switch(config)#ip default-gateway 192.168.1.1 

 Serveur DNS 

 switch(config)#ip name-server 192.168.1.1 

 Supprimer la configuration 

 switch#erase startup-config 

 Pour compléter automatiquement une commande, utiliser la touche TAB 

 switch(config)#inter

switch(config)#interface

switch(config)#interface gig

switch(config)#interface GigabitEthernet0/0 

 Désactiver le DNS lookup pour ne pas attendre lors d'une mauvaise commande 

 switch(config)#no ip domain-lookup 

 Supprimer une ligne ou un paramètre 

 switch(config)#no vlan

switch(config)#no ntp server 194.2.0.28

switch(config)#no ip address 

 Ajouter "no" devant la ligne pour l'effacer de la configuration  

 Pour afficher l'aide, utiliser le ? après une commande 

 3750#?

Exec commands:

 access-enable Create a temporary Access-List entry

 access-template Create a temporary Access-List entry

 archive manage archive files

 cd Change current directory

 clear Reset functions

 clock Manage the system clock

 cns CNS agents

 configure Enter configuration mode

 connect Open a terminal connection

 copy Copy from one file to another

 debug Debugging functions (see also 'undebug')

 delete Delete a file

 dir List files on a filesystem

 disable Turn off privileged commands

 disconnect Disconnect an existing network connection

 dot1x IEEE 802.1X Exec Commands

 enable Turn on privileged commands

 eou EAPoUDP

 erase Erase a filesystem

 ethernet Ethernet parameters

 exit Exit from the EXEC

 --More-- 

 Afficher l'état des interfaces 

 3750#sh ip int brief

Interface IP-Address OK? Method Status Protocol

Vlan1 172.16.3.200 YES NVRAM up up

FastEthernet1/0/1 unassigned YES unset up up

FastEthernet1/0/2 unassigned YES unset down down

FastEthernet1/0/3 unassigned YES unset down down

FastEthernet1/0/4 unassigned YES unset down down

FastEthernet1/0/5 unassigned YES unset down down

FastEthernet1/0/6 unassigned YES unset down down

FastEthernet1/0/7 unassigned YES unset down down

FastEthernet1/0/8 unassigned YES unset down down

FastEthernet1/0/9 unassigned YES unset down down

FastEthernet1/0/10 unassigned YES unset down down

FastEthernet1/0/11 unassigned YES unset down down

FastEthernet1/0/12 unassigned YES unset down down

FastEthernet1/0/13 unassigned YES unset down down

FastEthernet1/0/14 unassigned YES unset down down

FastEthernet1/0/15 unassigned YES unset down down

FastEthernet1/0/16 unassigned YES unset down down

FastEthernet1/0/17 unassigned YES unset down down

FastEthernet1/0/18 unassigned YES unset down down

FastEthernet1/0/19 unassigned YES unset down down

FastEthernet1/0/20 unassigned YES unset down down

FastEthernet1/0/21 unassigned YES unset down down

FastEthernet1/0/22 unassigned YES unset down down

FastEthernet1/0/23 unassigned YES unset up up

FastEthernet1/0/24 unassigned YES unset up up

GigabitEthernet1/0/1 unassigned YES unset down down

GigabitEthernet1/0/2 unassigned YES unset down down

GigabitEthernet1/1/1 unassigned YES unset down down

GigabitEthernet1/1/2 unassigned YES unset down down

3750# 

 Inventaire 

 Switch#show inventory

NAME: "1", DESCR: "ME-C3750-24TE"

PID: ME-C3750-24TE-M , VID: V07, SN: FDO1521Y24L

NAME: "GigabitEthernet1/1/1", DESCR: "1000BaseSX SFP"

PID: , VID: , SN: OP10G53E1584

NAME: "GigabitEthernet1/1/2", DESCR: "1000BaseSX SFP"

PID: , VID: , SN: H11S478