2 files changed, 34 insertions, 0 deletions
diff --git a/data/templates/dhcp-server/10-override.conf.j2 b/data/templates/dhcp-server/10-override.conf.j2
new file mode 100644
index 000000000..1504b6808
--- /dev/null
+++ b/data/templates/dhcp-server/10-override.conf.j2
@@ -0,0 +1,30 @@
+### Autogenerated by dhcp_server.py ###
+{% set lease_file = '/config/dhcpd.leases' %}
+[Unit]
+Description=ISC DHCP IPv4 server
+Documentation=man:dhcpd(8)
+RequiresMountsFor=/run
+ConditionPathExists=
+ConditionPathExists=/run/dhcp-server/dhcpd.conf
+After=
+After=vyos-router.service
+
+[Service]
+Type=forking
+WorkingDirectory=
+WorkingDirectory=/run/dhcp-server
+RuntimeDirectory=dhcp-server
+RuntimeDirectoryPreserve=yes
+Environment=PID_FILE=/run/dhcp-server/dhcpd.pid CONFIG_FILE=/run/dhcp-server/dhcpd.conf LEASE_FILE={{ lease_file }}
+PIDFile=/run/dhcp-server/dhcpd.pid
+ExecStartPre=/bin/sh -ec '\
+touch ${LEASE_FILE}; \
+chown dhcpd:vyattacfg ${LEASE_FILE}* ; \
+chmod 664 ${LEASE_FILE}* ; \
+/usr/sbin/dhcpd -4 -t -T -q -user dhcpd -group vyattacfg -pf ${PID_FILE} -cf ${CONFIG_FILE} -lf ${LEASE_FILE} '
+ExecStart=
+ExecStart=/usr/sbin/dhcpd -4 -q -user dhcpd -group vyattacfg -pf ${PID_FILE} -cf ${CONFIG_FILE} -lf ${LEASE_FILE}
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
diff --git a/data/templates/dhcp-server/dhcpd.conf.j2 b/data/templates/dhcp-server/dhcpd.conf.j2
index 4c2da0aa5..639526532 100644
--- a/data/templates/dhcp-server/dhcpd.conf.j2
+++ b/data/templates/dhcp-server/dhcpd.conf.j2
@@ -22,6 +22,7 @@ ddns-update-style {{ 'interim' if dynamic_dns_update is vyos_defined else 'none'
 option rfc3442-static-route code 121 = array of integer 8;
 option windows-static-route code 249 = array of integer 8;
 option wpad-url code 252 = text;
+option rfc8925-ipv6-only-preferred code 108 = unsigned integer 32;
 
 # Vendor specific options - Ubiquiti Networks
 option space ubnt;
@@ -127,6 +128,9 @@ shared-network {{ network }} {
 {%                 if subnet_config.wins_server is vyos_defined %}
         option netbios-name-servers {{ subnet_config.wins_server | join(', ') }};
 {%                 endif %}
+{%                 if subnet_config.ipv6_only_preferred is vyos_defined %}
+        option rfc8925-ipv6-only-preferred {{ subnet_config.ipv6_only_preferred }};
+{%                 endif %}
 {%                 if subnet_config.static_route is vyos_defined %}
 {%                     set static_default_route = '' %}
 {%                     if subnet_config.default_router is vyos_defined %}