diff --git a/configs/trans/trans-mdf-4507.cfg b/configs/trans/trans-mdf-4507.cfg
index b8d33cc..42bed9c 100644
--- a/configs/trans/trans-mdf-4507.cfg
+++ b/configs/trans/trans-mdf-4507.cfg
@@ -1,9 +1,9 @@
 Building configuration...
 
-Current configuration : 27586 bytes
+Current configuration : 28191 bytes
 !
-! Last configuration change at 13:47:56 EDT Mon Jun 30 2025 by josoto73.admin
-! NVRAM config last updated at 16:17:16 EDT Mon Jun 2 2025 by josoto73.admin
+! Last configuration change at 19:40:11 EDT Thu Sep 18 2025 by estein66.admin
+! NVRAM config last updated at 19:40:12 EDT Thu Sep 18 2025 by estein66.admin
 !
 version 15.1
 no service pad
@@ -348,7 +348,7 @@ interface TenGigabitEthernet1/11
 interface TenGigabitEthernet1/12
  description to Ring #7 CCF Service #S200312
  switchport trunk native vlan 525
- switchport trunk allowed vlan 507
+ switchport trunk allowed vlan 507,517,527,537
  switchport mode trunk
  ip flow monitor netflow-monitor input
  udld port disable
@@ -877,6 +877,25 @@ interface Vlan507
  description to Ring #7 CCF Service #S200314
  ip address 10.250.207.57 255.255.255.0
  ip pim sparse-mode
+ ip ospf cost 3000
+!
+interface Vlan517
+ description ring7_ct-b
+ ip address 10.254.217.57 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 4000
+!
+interface Vlan527
+ description ring7_sh-a
+ ip address 10.254.227.57 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 1000
+!
+interface Vlan537
+ description ring7_sh-b
+ ip address 10.254.237.57 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 2000
 !
 router ospf 315
  router-id 57.57.57.57
@@ -884,9 +903,15 @@ router ospf 315
  area 207 range 10.57.0.0 255.255.0.0
  passive-interface default
  no passive-interface Vlan507
+ no passive-interface Vlan517
+ no passive-interface Vlan527
+ no passive-interface Vlan537
  network 10.57.230.0 0.0.0.31 area 207
  network 10.57.0.0 0.0.255.255 area 207
  network 10.250.207.57 0.0.0.0 area 0
+ network 10.254.217.57 0.0.0.0 area 0
+ network 10.254.227.57 0.0.0.0 area 0
+ network 10.254.237.57 0.0.0.0 area 0
  network 192.168.57.0 0.0.0.255 area 207
 !
 ip forward-protocol udp netbios-ss