pfSense

option domain-name "tsrv.rst";

option ldap-server code 95 = text;

option domain-search-list code 119 = text;

option arch code 93 = unsigned integer 16; # RFC4578

default-lease-time 7200;

max-lease-time 86400;

log-facility local7;

one-lease-per-client true;

deny duplicates;

ping-check true;

update-conflict-detection false;

authoritative;

failover peer "dhcp_opt6" {

  secondary;

  address 172.23.136.131;

  port 520;

  peer address 172.23.136.132;

  peer port 519;

  max-response-delay 10;

  max-unacked-updates 10;

  load balance max seconds 3;

}

subnet 172.23.136.0 netmask 255.255.255.0 {

	pool {

		option domain-name-servers 172.23.136.130;

		deny dynamic bootp clients;

		failover peer "dhcp_opt6";

		range 172.23.136.10 172.23.136.50;

	}

	option routers 172.23.136.130;

	option domain-name "wlanguest.hvr.rst";

	option domain-name-servers 172.23.136.130;

	option ntp-servers 172.23.136.130;

}