diff --git a/configs/seymour/seymour-mdf-4507.cfg b/configs/seymour/seymour-mdf-4507.cfg
index d764b2a..f5f3f89 100644
--- a/configs/seymour/seymour-mdf-4507.cfg
+++ b/configs/seymour/seymour-mdf-4507.cfg
@@ -1,9 +1,9 @@
 Building configuration...
 
-Current configuration : 19274 bytes
+Current configuration : 19940 bytes
 !
-! Last configuration change at 11:27:26 EDT Tue Jun 17 2025 by josoto73.admin
-! NVRAM config last updated at 11:27:27 EDT Tue Jun 17 2025 by josoto73.admin
+! Last configuration change at 18:28:25 EDT Tue Aug 19 2025 by estein66.admin
+! NVRAM config last updated at 18:28:49 EDT Tue Aug 19 2025 by estein66.admin
 !
 version 15.2
 no service pad
@@ -189,8 +189,14 @@ vlan 233
 !
 vlan 505 
 !
+vlan 515
+ name ring5_ct-b
+!
 vlan 525
- name stub
+ name ring5_sh-a
+!
+vlan 535
+ name ring5_sh-b
 lldp run
 !
 !
@@ -469,8 +475,8 @@ interface TenGigabitEthernet3/7
 !
 interface TenGigabitEthernet3/8
  description to Ring#5 CCF Circuit ID 159639
- 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
@@ -617,6 +623,25 @@ interface Vlan505
  description to Ring #5 CCF Service #S200307
  ip address 10.250.205.44 255.255.255.0
  ip pim sparse-mode
+ ip ospf cost 3000
+!
+interface Vlan515
+ description ring5_ct-b
+ ip address 10.254.215.44 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 4000
+!
+interface Vlan525
+ description ring5_sh-a
+ ip address 10.254.225.44 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 1000
+!
+interface Vlan535
+ description ring5_sh-b
+ ip address 10.254.235.44 255.255.255.0
+ ip pim sparse-mode
+ ip ospf cost 2000
 !
 router ospf 315
  router-id 44.44.44.44
@@ -624,9 +649,15 @@ router ospf 315
  area 205 range 10.44.0.0 255.255.0.0
  passive-interface default
  no passive-interface Vlan505
+ no passive-interface Vlan515
+ no passive-interface Vlan525
+ no passive-interface Vlan535
  network 10.44.230.0 0.0.0.31 area 205
  network 10.44.0.0 0.0.255.255 area 205
  network 10.250.205.44 0.0.0.0 area 0
+ network 10.254.215.44 0.0.0.0 area 0
+ network 10.254.225.44 0.0.0.0 area 0
+ network 10.254.235.44 0.0.0.0 area 0
  network 192.168.44.0 0.0.0.255 area 205
 !
 ip forward-protocol nd