diff --git a/configs/king/king-4507-1.cfg b/configs/king/king-4507-1.cfg
index 18ad64e..8a1cdb1 100644
--- a/configs/king/king-4507-1.cfg
+++ b/configs/king/king-4507-1.cfg
@@ -1,9 +1,9 @@
 Building configuration...
 
-Current configuration : 36773 bytes
+Current configuration : 37687 bytes
 !
-! Last configuration change at 18:30:41 EDT Tue Aug 19 2025 by estein66.admin
-! NVRAM config last updated at 18:31:27 EDT Tue Aug 19 2025 by estein66.admin
+! Last configuration change at 15:24:51 EDT Tue Mar 10 2026 by estein66.admin
+! NVRAM config last updated at 15:25:08 EDT Tue Mar 10 2026 by estein66.admin
 !
 version 15.2
 no service pad
@@ -116,6 +116,16 @@ archive
  path bootflash:
  maximum 5
 file privilege 10
+object-group network day-enterprise-servers 
+ description day-enterprise-servers
+ host 10.1.230.11
+ host 10.1.40.108
+!
+object-group network dns-servers 
+ description Internal-DNS-Servers
+ host 10.1.40.10
+ host 10.1.48.11
+!
 object-group network netadmin-hosts 
  description SCSD Network Administrators Hosts
 !
@@ -125,6 +135,10 @@ object-group network netadmins-hosts
  host 10.1.6.126
  host 10.1.6.32
 !
+object-group network ntp-servers 
+ host 10.1.40.154
+ host 10.1.48.103
+!
 object-group service zoom-tcp-390 
  description Zoom phones TCP 390
  tcp eq 390
@@ -204,6 +218,9 @@ vlan 72
 vlan 107
  name health_services
 !
+vlan 230
+ name HVAC
+!
 vlan 505
  name CC-Ring
 !
@@ -1131,6 +1148,11 @@ interface Vlan107
  ip address 10.20.107.1 255.255.255.0
  ip access-group sbhc-acl in
 !
+interface Vlan230
+ ip address 10.20.230.1 255.255.255.224
+ ip access-group hvac in
+ shutdown
+!
 interface Vlan505
  description to Ring #5 CCF Service S200282
  ip address 10.250.205.20 255.255.255.0
@@ -1234,6 +1256,16 @@ ip access-list extended AutoQos-4.0-ACL-Transactional-Data
  permit udp any any eq 1575
  permit tcp any any eq 1630
  permit udp any any eq 1630
+ip access-list extended hvac
+ permit ip 10.20.230.0 0.0.0.31 object-group day-enterprise-servers
+ permit udp 10.20.230.0 0.0.0.31 object-group dns-servers eq domain
+ permit udp 10.20.230.0 0.0.0.31 object-group ntp-servers eq ntp
+ permit icmp 10.20.230.0 0.0.0.31 host 10.20.230.1
+ permit icmp host 10.20.230.1 10.20.230.0 0.0.0.31
+ deny   ip any 10.0.0.0 0.255.255.255
+ deny   ip any 192.168.0.0 0.0.255.255
+ deny   ip any 172.16.0.0 0.15.255.255
+ permit tcp 10.20.230.0 0.0.0.31 any eq 587 log-input
 ip access-list extended sbhc-acl
  permit ip 10.20.107.0 0.0.0.255 10.107.50.0 0.0.0.255
  permit tcp 10.20.107.0 0.0.0.255 any eq 443