diff --git a/1/ISO/assignments/t12-ej1-dhcpd/dhcpd.conf b/1/ISO/assignments/t12-ej1-dhcpd/dhcpd.conf
new file mode 100644
index 0000000..4047d21
--- /dev/null
+++ b/1/ISO/assignments/t12-ej1-dhcpd/dhcpd.conf
@@ -0,0 +1,10 @@
+option domain-name-servers 8.8.8.8, 8.8.4.4;
+option routers 172.21.0.100;
+option subnet-mask 255.255.255.0;
+subnet 192.168.37.0 netmask 255.255.255.0 {
+	range 192.168.37.100 192.168.37.150;
+}
+host DESKTOP-U4F9M9L {
+	hardware ethernet 7C:10:C9:25:95:E1;
+	fixed-address 192.168.37.201;
+}
diff --git a/1/ISO/assignments/t12-ej1-dhcpd/dinamica.txt b/1/ISO/assignments/t12-ej1-dhcpd/dinamica.txt
new file mode 100644
index 0000000..974aa3e
--- /dev/null
+++ b/1/ISO/assignments/t12-ej1-dhcpd/dinamica.txt
@@ -0,0 +1,31 @@
+Internet Systems Consortium DHCP Server 4.4.1
+Copyright 2004-2018 Internet Systems Consortium.
+All rights reserved.
+For info, please visit https://www.isc.org/software/dhcp/
+Config file: dhcpd.conf
+Database file: /var/lib/dhcp/dhcpd.leases
+PID file: /var/run/dhcpd.pid
+Wrote 0 deleted host decls to leases file.
+Wrote 0 new dynamic host decls to leases file.
+Wrote 1 leases to leases file.
+
+No subnet declaration for enp2s0 (172.16.37.4).
+** Ignoring requests on enp2s0.  If this is not what
+   you want, please write a subnet declaration
+   in your dhcpd.conf file for the network segment
+   to which interface enp2s0 is attached. **
+
+Listening on LPF/enp3s0/00:4f:4e:0c:cf:c3/192.168.37.0/24
+Sending on   LPF/enp3s0/00:4f:4e:0c:cf:c3/192.168.37.0/24
+Sending on   Socket/fallback/fallback-net
+Server starting service.
+DHCPREQUEST for 172.16.37.3 from 7c:10:c9:28:29:b5 via enp3s0: ignored (not authoritative).
+DHCPREQUEST for 172.16.37.3 from 7c:10:c9:28:29:b5 via enp3s0: ignored (not authoritative).
+DHCPREQUEST for 172.16.37.3 from 7c:10:c9:28:29:b5 via enp3s0: ignored (not authoritative).
+DHCPREQUEST for 172.16.37.3 from 7c:10:c9:28:29:b5 via enp3s0: ignored (not authoritative).
+DHCPREQUEST for 172.16.37.3 from 7c:10:c9:28:29:b5 via enp3s0: ignored (not authoritative).
+DHCPREQUEST for 172.16.37.3 from 7c:10:c9:28:29:b5 via enp3s0: ignored (not authoritative).
+DHCPDISCOVER from 7c:10:c9:28:29:b5 via enp3s0
+DHCPOFFER on 192.168.37.101 to 7c:10:c9:28:29:b5 (LAPTOP-NIMQD9EE) via enp3s0
+DHCPREQUEST for 192.168.37.101 (192.168.37.2) from 7c:10:c9:28:29:b5 (LAPTOP-NIMQD9EE) via enp3s0
+DHCPACK on 192.168.37.101 to 7c:10:c9:28:29:b5 (LAPTOP-NIMQD9EE) via enp3s0
diff --git a/1/ISO/assignments/t12-ej1-dhcpd/fija.txt b/1/ISO/assignments/t12-ej1-dhcpd/fija.txt
new file mode 100644
index 0000000..b11ebd7
--- /dev/null
+++ b/1/ISO/assignments/t12-ej1-dhcpd/fija.txt
@@ -0,0 +1,24 @@
+Internet Systems Consortium DHCP Server 4.4.1
+Copyright 2004-2018 Internet Systems Consortium.
+All rights reserved.
+For info, please visit https://www.isc.org/software/dhcp/
+Config file: dhcpd.conf
+Database file: /var/lib/dhcp/dhcpd.leases
+PID file: /var/run/dhcpd.pid
+Wrote 0 deleted host decls to leases file.
+Wrote 0 new dynamic host decls to leases file.
+Wrote 1 leases to leases file.
+
+No subnet declaration for enp2s0 (172.16.37.4).
+** Ignoring requests on enp2s0.  If this is not what
+   you want, please write a subnet declaration
+   in your dhcpd.conf file for the network segment
+   to which interface enp2s0 is attached. **
+
+Listening on LPF/enp3s0/00:4f:4e:0c:cf:c3/192.168.37.0/24
+Sending on   LPF/enp3s0/00:4f:4e:0c:cf:c3/192.168.37.0/24
+Sending on   Socket/fallback/fallback-net
+Server starting service.
+uid lease 192.168.37.100 for client 7c:10:c9:25:95:e1 is duplicate on 192.168.37.0/24
+DHCPREQUEST for 192.168.37.201 from 7c:10:c9:25:95:e1 via enp3s0
+DHCPACK on 192.168.37.201 to 7c:10:c9:25:95:e1 via enp3s0