diff --git a/configs/weeks/weeks-mdf-a8360-sw2.cfg b/configs/weeks/weeks-mdf-a8360-sw2.cfg
index 09de774..079f679 100755
--- a/configs/weeks/weeks-mdf-a8360-sw2.cfg
+++ b/configs/weeks/weeks-mdf-a8360-sw2.cfg
@@ -247,13 +247,13 @@ vlan 508
     name CT-A
     dhcpv4-snooping
 vlan 518
-    name CT-B
+    name ring8_ct-b
     dhcpv4-snooping
 vlan 528
     name SH-A
     dhcpv4-snooping
 vlan 538
-    name SH-B
+    name ring8_sh-b
     dhcpv4-snooping
 vlan 699
     name NativeVLAN
@@ -263,6 +263,10 @@ spanning-tree priority 2
 spanning-tree trap topology-change instance 0
 spanning-tree ignore-pvid-inconsistency
 spanning-tree vlan 10,20,30,35,50,70,72,107,168,230,254,508,518,528,538,699
+spanning-tree vlan 508 priority 15
+spanning-tree vlan 518 priority 15
+spanning-tree vlan 528 priority 15
+spanning-tree vlan 538 priority 15
 interface mgmt
     no shutdown
     ip static 192.168.34.3/24
@@ -455,16 +459,18 @@ interface vlan 254
     ip ospf network point-to-point
     ip pim-sparse enable
 interface vlan 518
-    description to ring 8
+    description ring8_ct-b
     ip address 10.254.218.34/24
     ip ospf 1 area 0.0.0.0
     no ip ospf passive
+    ip ospf cost 4000
     ip pim-sparse enable
 interface vlan 538
-    description to ring 8
+    description ring8_sh-b
     ip address 10.254.238.34/24
     ip ospf 1 area 0.0.0.0
     no ip ospf passive
+    ip ospf cost 2000
     ip pim-sparse enable
 snmp-server vrf default
 snmp-server system-description weeks-mdf-a8360-sw2