diff --git a/configs/co/co-mdf-4507.cfg b/configs/co/co-mdf-4507.cfg
index 25f7c82..0223494 100644
--- a/configs/co/co-mdf-4507.cfg
+++ b/configs/co/co-mdf-4507.cfg
@@ -1,8 +1,9 @@
 Building configuration...
 
-Current configuration : 14230 bytes
+Current configuration : 14885 bytes
 !
-! Last configuration change at 01:52:14 EDT Fri Aug 15 2025
+! Last configuration change at 18:35:12 EDT Tue Aug 19 2025 by estein66.admin
+! NVRAM config last updated at 18:35:43 EDT Tue Aug 19 2025 by estein66.admin
 !
 version 15.2
 no service pad
@@ -251,8 +252,8 @@ interface TenGigabitEthernet1/11
 !
 interface TenGigabitEthernet1/12
  description to Ring#5 CCF Circuit ID 159620
- switchport trunk allowed vlan 505
- switchport trunk native vlan 525
+ switchport trunk allowed vlan 505,515,525,535
+ switchport trunk native vlan 699
  switchport mode trunk
  ip flow monitor netflow-monitor input
  udld port disable
@@ -439,10 +440,25 @@ interface Vlan505
  description to Ring #5 CCF Service #S200309
  ip address 10.250.205.55 255.255.255.0
  ip pim sparse-mode
+ ip ospf cost 3000
+!
+interface Vlan515
+ description ring5_ct-b
+ ip address 10.254.215.55 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 4000
 !
 interface Vlan525
- no ip address
- shutdown
+ description ring5_sh-a
+ ip address 10.254.225.55 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 1000
+!
+interface Vlan535
+ description ring5_sh-b
+ ip address 10.254.235.55 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 2000
 !
 interface Vlan666
  no ip address
@@ -454,8 +470,14 @@ router ospf 315
  area 205 range 10.55.0.0 255.255.0.0
  passive-interface default
  no passive-interface Vlan505
+ no passive-interface Vlan515
+ no passive-interface Vlan525
+ no passive-interface Vlan535
  network 10.55.0.0 0.0.255.255 area 205
  network 10.250.205.55 0.0.0.0 area 0
+ network 10.254.215.55 0.0.0.0 area 0
+ network 10.254.225.55 0.0.0.0 area 0
+ network 10.254.235.55 0.0.0.0 area 0
  network 192.168.55.0 0.0.0.255 area 205
 !
 ip local policy route-map blue