diff --git a/configs/frank/frank-mdf-4507.cfg b/configs/frank/frank-mdf-4507.cfg
index c9e779e..9f72717 100644
--- a/configs/frank/frank-mdf-4507.cfg
+++ b/configs/frank/frank-mdf-4507.cfg
@@ -1,9 +1,9 @@
 Building configuration...
 
-Current configuration : 20360 bytes
+Current configuration : 21048 bytes
 !
-! Last configuration change at 10:08:15 EDT Tue Jun 17 2025 by josoto73.admin
-! NVRAM config last updated at 10:16:46 EDT Tue Jun 17 2025 by josoto73.admin
+! Last configuration change at 19:38:04 EDT Thu Sep 18 2025 by estein66.admin
+! NVRAM config last updated at 19:38:06 EDT Thu Sep 18 2025 by estein66.admin
 !
 version 15.2
 no service pad
@@ -198,8 +198,17 @@ vlan 233
 vlan 507
  name CC-Ring
 !
+vlan 517
+ name ring7_ct-b
+!
 vlan 525
  name stub
+!
+vlan 527
+ name ring7_sh-a
+!
+vlan 537
+ name ring7_sh-b
 lldp run
 !
 !
@@ -469,7 +478,7 @@ interface TenGigabitEthernet3/7
 !
 interface TenGigabitEthernet3/8
  description to Ring#7 CCF Circuit ID 159983
- switchport trunk allowed vlan 507
+ switchport trunk allowed vlan 507,517,527,537
  switchport trunk native vlan 525
  switchport mode trunk
  ip flow monitor netflow-monitor input
@@ -619,6 +628,25 @@ interface Vlan507
  description to Ring #7 CCF Service #S200289
  ip address 10.250.207.24 255.255.255.0
  ip pim sparse-mode
+ ip ospf cost 3000
+!
+interface Vlan517
+ description ring7_ct-b
+ ip address 10.254.217.24 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 4000
+!
+interface Vlan527
+ description ring7_sh-a
+ ip address 10.254.227.24 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 1000
+!
+interface Vlan537
+ description ring7_sh-b
+ ip address 10.254.237.24 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 2000
 !
 router ospf 315
  router-id 24.24.24.24
@@ -626,9 +654,15 @@ router ospf 315
  area 207 range 10.24.0.0 255.255.0.0
  passive-interface default
  no passive-interface Vlan507
+ no passive-interface Vlan517
+ no passive-interface Vlan527
+ no passive-interface Vlan537
  network 10.24.230.0 0.0.0.31 area 207
  network 10.24.0.0 0.0.255.255 area 207
  network 10.250.207.24 0.0.0.0 area 0
+ network 10.254.217.24 0.0.0.0 area 0
+ network 10.254.227.24 0.0.0.0 area 0
+ network 10.254.237.24 0.0.0.0 area 0
  network 192.168.24.0 0.0.0.255 area 207
 !
 ip local policy route-map blue