diff --git a/procedure-dhcp.md b/procedure-dhcp.md
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-# DHCP
-
-## Installation dhcp 
-
-    apt-get instal isc-dhcp-server
-    
----------
-
-### Configuration dhcpd.conf
-
-#### atteindre fichier de configuration : 
-
-    cd /etc/dhcp
-    nano dhcpd.conf
-
-#### dhcpd.conf : 
-
-# dhcpd.conf
-
-    option domain-name "networkandco.org";
-
-    default-lease-time 600;
-    max-lease-time 7200;
-    allow booting;
-    allow bootp;
-
-
-    ddns-update-style none;
-
-
-    server-identifier 192.168.40.150;
-    authoritative;
-    ddns-update-style interim;
-
-
-#VLAN 2 
-
-    subnet 192.168.40.0 netmask 255.255.255.0 {
-        range  dynamic-bootp 192.168.40.20 192.168.40.100;
-        option routers 192.168.40.254;
-        option subnet-mask 255.255.255.0;
-        option domain-name "networkandco.org";
-        option domain-name-servers 192.168.40.151;
-    }
-
-#VLAN 3 
-
-    subnet 192.168.50.0 netmask 255.255.255.0 {
-        range  dynamic-bootp 192.168.50.20 192.168.50.100;
-        option routers 192.168.50.254;
-        option subnet-mask 255.255.255.0;
-        option domain-name "networkandco.org";
-    }
-
-#VLAN 4 
-
-    subnet 192.168.60.0 netmask 255.255.255.0 {
-        range  dynamic-bootp 192.168.60.20 192.168.60.100;
-        option routers 192.168.60.254;
-        option subnet-mask 255.255.255.0;
-        option domain-name "networkandco.org";
-        option domain-name-servers 192.168.40.151;
-    }
-
---------
-
-    key "dhcp-update-key" {
-        algorithm hmac-md5;
-        secret "7R1U767pLKhR+O/0hF11TfeNmoVpVU+lfLnL3GhvWpI=";
-    }
-
-    zone networkandco.org {
-        primary 192.168.40.151;
-        key "dhcp-update-key";
-    }
-
-    zone 40.168.192.in-addr-arpa {
-        primary 192.168.40.151;
-        key "rndc-key";
-    }
-
-### TIPS !
-
-    Ne pas oublier chmod sur les fichiers config dhcp/dns
\ No newline at end of file