diff --git a/group_vars/fleming/dhcp.yml b/group_vars/fleming/dhcp.yml
new file mode 100644
index 0000000..97456e9
--- /dev/null
+++ b/group_vars/fleming/dhcp.yml
@@ -0,0 +1,11 @@
+---
+apartment_block: fleming
+
+subnet_ids:
+  ap: 141
+  users_wired: 10
+  users_wifi: 11
+
+failover:
+  own-address: 10.128.2.254
+  peer-address: 10.128.2.154
diff --git a/group_vars/pacaterie/dhcp.yml b/group_vars/pacaterie/dhcp.yml
new file mode 100644
index 0000000..043d26d
--- /dev/null
+++ b/group_vars/pacaterie/dhcp.yml
@@ -0,0 +1,7 @@
+---
+apartment_block: pacaterie
+
+subnet_ids:
+  ap: 142
+  users_wired: 20
+  users_wifi: 21
diff --git a/roles/isc-dhcp-server/templates/dhcp/dhcpd.conf.j2 b/roles/isc-dhcp-server/templates/dhcp/dhcpd.conf.j2
index 3b0da57..93527bd 100644
--- a/roles/isc-dhcp-server/templates/dhcp/dhcpd.conf.j2
+++ b/roles/isc-dhcp-server/templates/dhcp/dhcpd.conf.j2
@@ -1,15 +1,16 @@
 # dhcpd.conf
-# {{ ansible_managed }}
+{{ ansible_managed }}
 
-# option definitions common to all supported networks...
-#option domain-name "example.org";
-#option domain-name-servers ns1.example.org, ns2.example.org;
+default-lease-time 86400;
+max-lease-time 86400;
 
-# We have tagged network so use last 4 bytes for tag (1500 max)
-option interface-mtu 1496;
+# Option definitions common to all supported networks.
 
-default-lease-time 600;
-max-lease-time 7200;
+# The MTU theoretically could go as high as 1496 (4-byte VLAN tag).
+option interface-mtu 1400;
+# XXX: hardcoded DNS for now
+option domain-name-servers 80.67.169.12, 1.1.1.1;
+option root-path "/";
 
 # The ddns-updates-style parameter controls whether or not the server will
 # attempt to do a DNS update when a lease is confirmed. We default to the
@@ -29,5 +30,61 @@ authoritative;
 # have to hack syslog.conf to complete the redirection).
 #log-facility local7;
 
-# Aurore topology
-# TODO
+
+# Bornes WiFi
+subnet 10.{{ subnet_ids.ap }}.0.0 netmask 255.255.0.0 {
+       interface "ens19";
+       option subnet-mask 255.255.0.0;
+       option broadcast-address 10.{{ subnet_ids.ap }}.255.255;
+       option routers 10.{{ subnet_ids.ap }}.0.250;
+       option domain-name-servers 80.67.169.12, 1.1.1.1;
+       option domain-name "borne.auro.re";
+       option domain-search "borne.auro.re";
+       include "/var/local/re2o-services/dhcp/generated/dhcp.borne.auro.re.list";
+
+       deny unknown-clients;
+}
+
+# Users filaire
+subnet 10.{{ subnet_ids.users_wired }}.0.0 netmask 255.255.0.0 {
+       interface "ens20";
+       option subnet-mask 255.255.0.0;
+       option broadcast-address 10.{{ subnet_ids.users_wired }}.255.255;
+       option routers 10.{{ subnet_ids.users_wired }}.0.240;
+       option domain-name "fil.{{ apartment_block }}.auro.re";
+       option domain-search "auro.re";
+       include "/var/local/re2o-services/dhcp/generated/dhcp.fil.{{ apartment_block }}.auro.re.list";
+
+       deny unknown-clients;
+}
+
+
+# Users WiFi
+subnet 10.{{ subnet_ids.users_wired }}.0.0 netmask 255.255.0.0 {
+       interface "ens21";
+       option subnet-mask 255.255.0.0;
+       option broadcast-address 10.{{ subnet_ids.users_wired }}.255.255;
+       option routers 10.{{ subnet_ids.users_wired }}.0.240;
+       option domain-name "wifi.{{ apartment_block }}.auro.re";
+       option domain-search "auro.re";
+       include "/var/local/re2o-services/dhcp/generated/dhcp.wifi.{{ apartment_block }}.auro.re.list";
+
+       pool {
+            range 10.{{ subnet_ids.users_wired }}.8.0 10.{{ subnet_ids.users_wired }}.10.255;
+
+            {% if failover is defined %}
+            failover peer "dhcp-failover" {
+                primary;
+                split 128;
+                mclt 3600;
+                address {{ failover.own_address }};
+                port 647;
+                peer address {{ failover.peer_address }};
+                peer port 647;
+                max-response-delay 30;
+                max-unacked-updates 10;
+                load balance max seconds 3;
+          }
+          {% endif %}
+       }
+}