:beetle: Fix a proxmox setup with an ip

An container without an IP does not work. ^^'

Guides/proxmox.md

@@ -80,4 +80,9 @@ root@ct1 echo success
 
 #### Trouble shoot container Internet connexion
 
-Good question. Still does not work on my container. :'(
+Good question. Still does not work on my container. :'(
+
+DNS : 192.168.122.1 -> 192.168.1.1 (l'adresse de la box)
+Et mettre DHCP sur l'adresse IP ... et ça marche !
+
+(Une IP fixe devrait marcher)