"Une config volatile, non enregistrée ?"
Je pense aussi à cela, d'où mes recherches dans mon historique ^^
/etc/dhcp/dhclient.conf
interface "enp1s0f0" {
supersede interface-mtu 0;
send host-name "";
send vendor-class-identifier "neufbox";
request subnet-mask, routers, domain-name-servers, host-name, merit-dump, domain-name, root-path, broadcast-address, nis-domain, ntp-servers;
require subnet-mask, routers, merit-dump, nis-domain, domain-name-servers;
}
/etc/network/interfaces
auto enp1s0f0
iface enp1s0f0 inet dhcp
up ethtool -s enp1s0f0 autoneg off speed 1000 duplex full
up ip addr add 192.168.1.1/24 dev $IFACE label $IFACE:1
down ip addr del 192.168.1.1/24 dev $IFACE label $IFACE:1